Micro-texture structure, article having micro-texture structure, and electronic device

Abstract

The present invention provides a micro-texture structure, an article having the micro-texture structure, and an electronic device. The micro-texture structure comprises: a base and at least one protrusion, wherein the protrusion is provided on at least part of the surface of the base; the protrusion has at least one connection portion; the connection portion is connected to the base; an included angle α is formed between the connection portion and the base; and the included angle α satisfies: 5°≤α≤45°.

Description

Micro-texture structure, article with micro-texture structure and electronic device

[0001] The present disclosure claims priority to the Chinese patent application No. 202422388935.3, filed on September 29, 2024, and entitled "Micro-texture structure, article with micro-texture structure and electronic device", the entire content of which is incorporated herein by reference. TECHNICAL FIELD

[0002] The present disclosure relates to the technical field of surface treatment, in particular to a micro-texture structure, an article with micro-texture structure and an electronic device. BACKGROUND

[0003] Surface treatment is a process method of artificially forming a raised layer with different mechanical, physical and chemical properties on the surface of a base material.

[0004] Surface treatment is to form a raised layer with certain or multiple special properties on the surface of a substrate by physical or chemical methods. The purpose of surface treatment is to meet the requirements of corrosion resistance, wear resistance, decoration or other special functions of the product.

[0005] In the related art, the surface roughness of the article after surface treatment is large. SUMMARY

[0006] The present disclosure provides a micro-texture structure, an article with micro-texture structure and an electronic device, which can solve the problem of poor product feel caused by large surface roughness of the article after surface treatment.

[0007] The embodiments of the present disclosure provide the following technical solutions:

[0008] The first aspect of the present disclosure provides a micro-texture structure, comprising:

[0009] a substrate;

[0010] at least one raised portion, the raised portion being arranged on at least part of the surface of the substrate, the raised portion having at least one connecting portion connected with the substrate;

[0011] wherein the connecting portion is arranged at an angle α with the substrate, and the angle α satisfies:

[0012] 5°≤α≤45°.

[0013] It can be understood that the protrusion is arranged on at least part of the surface of the base and connected with the base to change the shape of at least part of the surface of the base connected with the protrusion and can make the base form a pattern; the arrangement of the connecting part can make the transition between the protrusion and the base smoother, the connecting part and the base are arranged at an included angle, compared with physical surface treatment, the micro-texture structure provided by the present disclosure can reduce the roughness of the connection between the base and the protrusion; compared with chemical surface treatment, the micro-texture structure provided by the present disclosure can increase the light-reflecting surface of the connecting part, thereby improving the gloss of the micro-texture structure.

[0014] In an embodiment, the base has a mounting surface, and the protrusion has a top wall and a peripheral wall;

[0015] One end of the peripheral wall is connected with the mounting surface, and the other end of the peripheral wall is connected with the top wall;

[0016] The top wall is arranged spaced apart from the mounting surface in the height direction of the base.

[0017] It can be understood that the mounting surface is used to support the protrusion, the arrangement of the top wall and the peripheral wall can increase the surface area of the protrusion to improve the gloss of the micro-texture structure, and the arrangement of the top wall spaced apart from the mounting surface can make the micro-texture structure have better appearance visual effect.

[0018] In an embodiment, further comprising:

[0019] The transition surface has one end connected with the mounting surface and the other end connected with the top wall; the transition surface is connected with the connecting part to enclose the peripheral wall.

[0020] It can be understood that the connecting part and the transition surface jointly enclose the peripheral wall, which can make the connecting part and the transition surface on the peripheral wall have different gloss, so that the micro-texture structure has better appearance visual effect.

[0021] In an embodiment, the connecting part is provided with a plurality of connecting parts, and the plurality of connecting parts are connected to jointly enclose the peripheral wall of the protrusion.

[0022] It can be understood that the plurality of connecting parts are connected to jointly enclose the peripheral wall, which can make the reflected light of the connecting part have interference effect, so that the appearance effect of the micro-texture structure is more stereoscopic and more magnificent, thereby making the micro-texture structure have better appearance visual effect.

[0023] In an embodiment, the protrusion is provided with a plurality of protrusions, and the plurality of protrusions are arranged spaced apart.

[0024] It can be understood that the arrangement of the protrusions can make the pattern formed by the micro-texture structure processing a three-dimensional pattern, and can increase the glossiness and clarity of the three-dimensional pattern; increasing the number of protrusion arrangements can increase the size of the pattern formed by the micro-texture structure processing, thereby making the micro-texture structure have better appearance visual effects.

[0025] In an embodiment, the protrusion has a first thickness H in the height direction of the base, and the first thickness H satisfies:

[0026] 2 microns ≤ H ≤ 20 microns.

[0027] It can be understood that the first thickness H satisfies: 2 microns ≤ L1 ≤ 20 microns, which can increase the surface area of the reflecting surface of the connecting portion while reducing the connection roughness between the base and the protrusion, thereby improving the visual effect of the micro-texture structure.

[0028] In an embodiment, the end of the connecting portion connected to the mounting surface forms a first distance L1 with the end of the connecting portion connected to the top wall in the orthographic projection of the mounting surface, and the first distance L1 satisfies:

[0029] 15 microns ≤ L1 ≤ 40 microns.

[0030] It can be understood that the surface area of the reflecting surface of the connecting portion can be increased to make the reflected light of the connecting portion more sufficient, thereby improving the appearance visual effect of the pattern formed by the micro-texture structure processing.

[0031] In an embodiment, the top wall has a second length L2, and the second length L2 satisfies:

[0032] 1 micron ≤ L2 ≤ 20 microns.

[0033] It can be understood that the surface area of the reflecting surface of the top wall can be increased, thereby improving the appearance visual effect of the pattern formed by the micro-texture structure processing.

[0034] In an embodiment, the protrusions are arranged in a plurality, and among the plurality of protrusions, two adjacent protrusions have a third distance L3 between them, and the third distance L3 satisfies:

[0035] 15 microns ≤ L3 ≤ 40 microns.

[0036] It can be understood that the arrangement of the third distance L3 can increase the surface area of the reflecting surface between the two adjacent protrusions 200, thereby improving the appearance visual effect of the pattern formed by the micro-texture structure processing.

[0037] In an embodiment, the ratio of the third distance L3, the second length L2 and the first distance L1 is in the range of:

[0038] 1 : (0.025-1.3) : (0.0.375-2.7).

[0039] It can be understood that the ratio of the third distance L3, the second length L2 and the first distance L1 is 1 : (0.025-1.3) : (0.0.375-2.7), which can improve the appearance visual effect between the connecting part, the top wall and the two adjacent protrusions and the connecting part; thereby improving the appearance visual effect of the pattern formed by the micro-texture structure.

[0040] In an embodiment, the connecting part has a plurality of first pits, and the plurality of first pits are arranged at intervals along the extension direction of the connecting part.

[0041] It can be understood that the first pit can increase the reflection area of the connecting part, thereby increasing the reflection area of the micro-texture structure and reducing the roughness of the protrusion to improve the hand feeling of the micro-texture structure; the plurality of first pits are arranged at intervals along the extension direction of the connecting part, which can make the light projected on the connecting part be diffusely reflected, thereby improving the appearance visual effect of the pattern formed by the micro-texture structure.

[0042] In an embodiment, at least part of the base has a plurality of second pits, and the plurality of second pits are arranged at intervals along the extension direction of the base.

[0043] It can be understood that the second pit can increase the reflection area of the base, thereby increasing the reflection area of the micro-texture structure and reducing the roughness of the base to improve the hand feeling of the micro-texture structure; the plurality of second pits are arranged at intervals along the extension direction of the base, which can make the light projected on the base be diffusely reflected, thereby improving the appearance visual effect of the pattern formed by the micro-texture structure.

[0044] In an embodiment, the surface roughness of the protrusion is 0.001 microns-0.4 microns.

[0045] It can be understood that the surface roughness of the protrusion is 0.001 microns-0.4 microns, which can make the surface roughness of the protrusion smaller, thereby improving the holding hand feeling of the micro-texture structure and improving the appearance visual effect of the pattern formed by the micro-texture structure.

[0046] In an embodiment, the surface roughness of the mounting surface of the base is 0.1 microns-0.3 microns.

[0047] It can be understood that the surface roughness of the mounting surface of the base is 0.1 microns-0.3 microns, which can make the surface roughness of the mounting surface smaller, thereby making the transition between the protrusion and the mounting surface more natural to improve the appearance visual effect of the pattern formed by the micro-texture structure.

[0048] In an embodiment, the surface glossiness of the protrusion is 360Gu-700Gu.

[0049] It can be understood that the surface glossiness of the protrusion is 360Gu-700Gu, which can make the visual effect of the protrusion brighter, and the light rays radiated to the protrusion can produce mirror reflection to improve the appearance visual effect of the protrusion, and the protrusion has a large difference between the glossiness and the roughness, which can make the protrusion visually present a strong sparkling effect.

[0050] In an embodiment, the surface glossiness of the mounting surface of the substrate is 200Gu-350Gu.

[0051] It can be understood that the surface glossiness of the mounting surface of the substrate is 200Gu-350Gu, which can make the visual effect of the mounting surface brighter, and the light rays radiated to the mounting surface can produce mirror reflection to improve the appearance visual effect of the mounting surface, and the mounting surface has a large difference between the glossiness and the roughness, which can make the mounting surface visually present a strong sparkling effect.

[0052] In an embodiment, the surface glossiness of the mounting surface of the substrate is 200Gu-350Gu.

[0053] The coating layer is arranged on at least one of the mounting surface and the protrusion of the substrate.

[0054] It can be understood that the coating layer arranged on the mounting surface is used to reduce the oxidation of the mounting surface caused by the direct contact of the mounting surface with the external air, and the coating layer can improve the glossiness of the mounting surface and reduce the surface roughness of the mounting surface; the coating layer arranged on the protrusion is used to reduce the oxidation of the protrusion caused by the direct contact of the protrusion with the external air, and the coating layer can improve the glossiness of the protrusion and reduce the surface roughness of the protrusion.

[0055] In an embodiment, when the coating layer is arranged on the protrusion, the coating layer satisfies at least one of the following conditions:

[0056] The surface roughness of the coating layer is 0.001 microns-0.2 microns;

[0057] The surface glossiness of the coating layer is 360Gu-850Gu.

[0058] It can be understood that, in the case that the coating layer is arranged on the protrusion, the surface roughness of the coating layer is 0.001 microns-0.2 microns, which can make the surface roughness of the protrusion covered by the coating layer smaller, thereby improving the holding feeling of the micro-texture structure and improving the appearance visual effect of the pattern formed by the micro-texture structure. In the case that the coating layer is arranged on the protrusion, the surface glossiness of the coating layer is 360Gu-850Gu, which can make the visual effect of the protrusion covered by the coating layer brighter, and the light rays shot to the protrusion covered by the coating layer can produce mirror reflection, so as to improve the appearance visual effect of the protrusion covered by the coating layer. Moreover, the protrusion covered by the coating layer has a large difference between the glossiness and the roughness, which can make the protrusion covered by the coating layer visually present a strong sparkling effect.

[0059] In an embodiment, in the case that the coating layer is arranged on the mounting surface, the coating layer satisfies at least one of the following conditions:

[0060] The surface roughness of the coating layer is 0.01 microns-0.2 microns;

[0061] The surface glossiness of the coating layer is 300Gu-700Gu.

[0062] It can be understood that, in the case that the coating layer is arranged on the mounting surface, the surface roughness of the coating layer is 0.01 microns-0.2 microns, which can make the surface roughness of the mounting surface covered by the coating layer smaller, thereby improving the holding feeling of the micro-texture structure and improving the appearance visual effect of the pattern formed by the micro-texture structure. In the case that the coating layer is arranged on the mounting surface, the surface glossiness of the coating layer is 300Gu-700Gu, which can make the visual effect of the mounting surface covered by the coating layer brighter, and the light rays shot to the mounting surface covered by the coating layer can produce mirror reflection, so as to improve the appearance visual effect of the mounting surface covered by the coating layer. Moreover, the mounting surface covered by the coating layer has a large difference between the glossiness and the roughness, which can make the mounting surface covered by the coating layer visually present a strong sparkling effect.

[0063] The second aspect of the present disclosure provides an article with a micro-texture structure, comprising an article body and a micro-texture structure, wherein the micro-texture structure is arranged on the article body.

[0064] The third aspect of the present disclosure provides an electronic device comprising a micro-texture structure.

[0065] In addition to the technical problems solved by the embodiments of the present disclosure described above, the technical features constituting the technical solutions, and the beneficial effects brought by these technical features, other technical problems solved by the micro-texture structure, the article with the micro-texture structure, and the electronic device provided by the embodiments of the present disclosure, other technical features included in the technical solutions, and the beneficial effects brought by these technical features will be further described in detail in the specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0066] FIG. 1 is a schematic diagram of a connection structure of a substrate and a protrusion provided by an embodiment of the present disclosure;

[0067] FIG. 2 is a schematic diagram of a connection structure of a substrate and a protrusion provided by an embodiment of the present disclosure;

[0068] FIG. 3 is a schematic diagram of a connection structure of a first surface and a second surface provided by an embodiment of the present disclosure;

[0069] FIG. 4 is a schematic diagram of a connection structure of a first surface and a second surface provided by an embodiment of the present disclosure.

[0070] Label explanation: 100-substrate; 101-mounting surface; 200-protrusion; 201-connection part; 202-top wall; 203-outer peripheral wall; a-angle; H-first thickness; L1-first distance; L2-second length; L3-third distance. DETAILED DESCRIPTION

[0071] Surface treatment is a process method of artificially forming a protruding layer with different mechanical, physical and chemical properties on the surface of a base material.

[0072] In related technologies, in order to make the surface to be treated have better appearance visual effect, surface treatment can be carried out by physical or chemical methods.

[0073] The physical method mainly uses a numerical control machine tool to grind the surface to be treated, but the surface to be treated has the problem of large surface roughness due to the machining precision of the numerical control machine tool.

[0074] The chemical method can process the surface to be treated by the following steps.

[0075] Step one: uniformly spray photoresist on the surface to be treated; step two: set a mask plate on the photoresist and expose the photoresist layer; step three: develop; step four: solidify; step five: etch; step six: remove the photoresist. The etching area formed by this method is a planar pattern, which will cause the treated surface to have insufficient gloss and insufficient texture definition.

[0076] It can be understood that in the prior art, the surface-treated product has the problem of large surface roughness.

[0077] The micro-texture structure provided by the embodiments of the present disclosure is arranged on at least part of the surface of the substrate and is connected with the substrate to change the shape of at least part of the surface of the substrate connected with the protrusion and can make the substrate form a pattern; the arrangement of the connecting part can make the transition between the protrusion and the substrate smoother, the connecting part and the substrate are arranged at an angle, and compared with the physical surface treatment, the micro-texture structure provided by the present disclosure can reduce the roughness of the connection between the substrate and the protrusion; compared with the chemical surface treatment, the micro-texture structure provided by the present disclosure can increase the light-reflecting surface of the connecting part, thereby improving the gloss of the micro-texture structure.

[0078] As shown in FIG. 1 and FIG. 2, the micro-texture structure provided by the embodiments of the present disclosure comprises a substrate 100 and at least one protrusion 200; wherein the protrusion 200 is arranged on at least part of the surface of the substrate 100, and the protrusion 200 has at least one connecting part 201 connected with the substrate 100.

[0079] It should be noted that the substrate 100 and the protrusion 200 have various different arrangement modes, and the arrangement modes between the substrate 100 and the protrusion 200 will be illustrated in turn as follows.

[0080] In one embodiment, the surface of the substrate 100 has the protrusion 200, that is, the substrate 100 and the protrusion 200 are integrally arranged, and part of the surface of the substrate 100 forms the protrusion 200; the arrangement of the protrusion 200 can increase the reflecting area of the micro-texture structure to improve the gloss of the micro-texture structure.

[0081] In another embodiment, the surface of the substrate 100 is coated with the protrusion 200, that is, the substrate 100 and the protrusion 200 are separately arranged, and the substrate 100 is connected with the protrusion 200; the arrangement of the protrusion 200 can improve the gloss of the micro-texture structure.

[0082] It can be understood that the specific connection mode between the substrate 100 and the protrusion 200 is not limited and can be selected according to actual use requirements.

[0083] It should be noted that in the case that the surface of the substrate 100 is coated with the protrusion 200, the substrate 100 has various different arrangement modes, and the arrangement modes of the substrate 100 will be illustrated in turn as follows.

[0084] In an embodiment, the substrate 100 is an aluminum alloy layer, and the protrusion 200 is a photoresist layer coated on the aluminum alloy layer. The photoresist layer can reduce the difficulty of image processing on the surface of the aluminum alloy layer, and can protect the aluminum alloy layer to prolong the service life of the aluminum alloy layer.

[0085] In another embodiment, the substrate 100 is a titanium alloy layer, and the protrusion 200 is a photoresist layer coated on the titanium alloy layer. The photoresist layer can reduce the difficulty of image processing on the surface of the titanium alloy layer, and can protect the titanium alloy layer to prolong the service life of the titanium alloy layer.

[0086] In addition, in another embodiment, the substrate 100 is a glass layer, and the protrusion 200 is a photoresist layer coated on the glass layer. The photoresist layer can protect the glass layer to prolong the service life of the glass layer.

[0087] In addition, in another embodiment, the substrate 100 is a plastic layer, and the protrusion 200 is a photoresist layer coated on the plastic layer. The photoresist layer can protect the plastic layer to prolong the service life of the plastic layer.

[0088] It can be understood that the specific arrangement of the substrate 100 is not limited, and can be selected according to actual use requirements.

[0089] As shown in FIGS. 3 and 4, it should be noted that the connecting portion 201 and the substrate 100 are arranged at an included angle a, and the included angle a satisfies: 5°≤a≤45°.

[0090] It should be noted that if the included angle between the connecting portion 201 and the substrate 100 is greater than 45 degrees, the inclination angle between the connecting portion 201 and the substrate 100 will be increased, which will result in insufficient gloss of the texture of the micro-texture structure, and will result in large surface roughness at the connection between the connecting portion 201 and the substrate 100, thereby resulting in poor hand feeling of the micro-texture structure.

[0091] It should be noted that if the included angle between the connecting portion 201 and the substrate 100 is less than 5 degrees, the inclination angle between the first connecting surface and the substrate 100 will be reduced, which will result in insufficient three-dimensionality of the texture pattern on the micro-texture structure.

[0092] It can be understood that the included angle a between the connecting portion 201 and the substrate 100 satisfies: 5°≤a≤45°, which can reduce the roughness at the connection between the substrate 100 and the protrusion 200; and can increase the reflective surface of the connecting portion 201, thereby improving the gloss of the micro-texture structure.

[0093] It should be noted that the included angle a has a plurality of different setting ranges, and the setting ranges of the included angle a are sequentially illustrated below.

[0094] In an embodiment, the included angle a satisfies: 5°≤a≤35°. It can be understood that the included angle a between the connecting portion 201 and the substrate 100 satisfies: 5°≤a≤35°, which can reduce the roughness of the connecting portion 201 and the substrate 100, and can increase the light-reflecting surface of the connecting portion 201, thereby improving the glossiness of the micro-texture structure.

[0095] In another embodiment, the included angle a satisfies: 25°≤a≤45°. It can be understood that the included angle a between the connecting portion 201 and the substrate 100 satisfies: 25°≤a≤45°, which can reduce the roughness of the connecting portion 201 and the substrate 100, and can increase the light-reflecting surface of the connecting portion 201, thereby improving the glossiness of the micro-texture structure.

[0096] It can be understood that the setting range of the included angle a provided by the embodiments of the present disclosure is not limited, and can be selected according to actual use requirements.

[0097] It should be noted that the included angle between the connecting portion 201 and the substrate 100 has a plurality of different angles, and the angle between the connecting portion 201 and the substrate 100 is sequentially illustrated below.

[0098] In an embodiment, the connecting portion 201 and the substrate 100 are arranged at an angle of 25°.

[0099] It can be understood that the connecting portion 201 and the substrate 100 are arranged at an angle of 25°, which can increase the area of the connecting portion 201 to improve the glossiness of the micro-texture structure, and can reduce the surface roughness of the connecting portion 201 and the substrate 100, thereby improving the hand feeling of the micro-texture structure.

[0100] In another embodiment, the connecting portion 201 and the substrate 100 are arranged at an angle of 30°.

[0101] It can be understood that the connecting portion 201 and the substrate 100 are arranged at an angle of 30°, which can increase the area of the connecting portion 201 to improve the glossiness of the micro-texture structure, and can reduce the surface roughness of the connecting portion 201 and the substrate 100, thereby improving the hand feeling of the micro-texture structure.

[0102] In addition, in another embodiment, the connecting portion 201 and the substrate 100 are arranged at an angle of 37°.

[0103] It can be understood that the connecting portion 201 is arranged at an angle of 37° with the substrate 100, which can increase the area of the connecting portion 201 to improve the gloss of the micro-texture structure, and can reduce the surface roughness of the connecting portion 201 and the substrate 100 to improve the hand feeling of the micro-texture structure.

[0104] It can be understood that the specific angle of the included angle between the connecting portion 201 and the substrate 100 is not limited, which can be selected according to actual use requirements, as long as the included angle α satisfies 5°≤α≤45°.

[0105] The substrate 100 provided by the embodiment of the present disclosure has a mounting surface 101, the protrusion 200 has a top wall 202 and a peripheral wall 203, one end of the peripheral wall 203 is connected with the mounting surface 101, and the other end of the peripheral wall 203 is connected with the top wall 202; along the height direction of the substrate 100, the top wall 202 is arranged spaced apart from the mounting surface 101.

[0106] It can be understood that the mounting surface 101 is used to connect the protrusion 200, the arrangement of the top wall 202 and the peripheral wall 203 can increase the surface area of the protrusion 200 to improve the gloss of the micro-texture structure, and the arrangement of the top wall 202 spaced apart from the mounting surface 101 can make the micro-texture structure have better appearance visual effect.

[0107] The peripheral wall 203 provided by the embodiment of the present disclosure has a plurality of different arrangement modes, which will be illustrated in turn below.

[0108] In one embodiment, the micro-texture structure further comprises a transition surface, one end of the transition surface is connected with the mounting surface 101, and the other end of the transition surface is connected with the top wall 202; the transition surface is connected with the connecting portion 201 to enclose the peripheral wall 203.

[0109] It can be understood that the connecting portion 201 and the transition surface jointly enclose the peripheral wall 203, which can make the connecting portion 201 and the transition surface on the peripheral wall 203 have different gloss, so that the micro-texture structure has better appearance visual effect.

[0110] In another embodiment, a plurality of connecting portions 201 are arranged, and the plurality of connecting portions 201 are connected to jointly enclose the peripheral wall 203.

[0111] It can be understood that the plurality of connecting portions 201 are connected to jointly enclose the peripheral wall 203, which can make the reflected light of the connecting portion 201 have interference effect, so that the appearance effect of the micro-texture structure is more stereoscopic and more gorgeous, thereby making the micro-texture structure have better appearance visual effect.

[0112] It can be understood that the specific arrangement of the outer peripheral wall 203 is not limited, and can be selected according to actual use requirements.

[0113] It should be noted that the protrusions 200 are arranged in multiple numbers and are arranged at intervals.

[0114] It can be understood that the arrangement of the protrusions 200 can make the pattern formed by the micro-texture structure processing a three-dimensional pattern, and can increase the gloss and clarity of the three-dimensional pattern; increasing the number of protrusions 200 can increase the size of the pattern formed by the micro-texture structure processing, so that the micro-texture structure has better appearance visual effect.

[0115] It should be noted that the micro-texture structure provided by the embodiments of the present disclosure has a first thickness H in the height direction of the substrate 100, and the first thickness H satisfies: 2 microns≤H≤20 microns.

[0116] It should be noted that if the first thickness H is less than 2 microns, the distance of the protrusion 200 in the height direction of the substrate 100 will be shortened, the connection height of the substrate 100 and the protrusion 200 will be reduced, and the appearance visual effect of the pattern formed by the micro-texture structure processing will be poor.

[0117] It should be noted that if the first thickness H is greater than 20 microns, the height of the protrusion 200 in the height direction of the substrate 100 will be increased, the roughness of the connection between the substrate 100 and the protrusion 200 will be increased, and the appearance visual effect of the pattern formed by the micro-texture structure processing will be poor.

[0118] It can be understood that the first thickness H satisfies: 2 microns≤L1≤20 microns, which can increase the surface area of the reflecting surface of the connecting part 201 while reducing the connection roughness between the substrate 100 and the protrusion 200, thereby improving the visual effect of the micro-texture structure.

[0119] It should be noted that the first thickness H has multiple different arrangement modes, which will be described in turn.

[0120] In one embodiment, the first thickness H is 5 microns, that is, the maximum height of the protrusion 200 in the height direction of the substrate 100 is 5 microns.

[0121] It can be understood that the first thickness H is 5 microns, which can increase the surface area of the reflecting surface of the connecting part 201 while reducing the connection roughness between the substrate 100 and the protrusion 200, thereby improving the visual effect of the micro-texture structure.

[0122] In one embodiment, the first thickness H is 10 microns, that is, the maximum height of the protrusion 200 in the height direction of the substrate 100 is 10 microns.

[0123] It can be understood that the first thickness H is 10 microns, which can increase the surface area of the reflecting surface of the connecting part 201 while reducing the connection roughness between the base 100 and the protrusion 200, thereby improving the visual effect of the micro-texture structure.

[0124] It can be understood that the first thickness H is not limited in the setting manner, and can be selected according to actual use requirements, as long as the first thickness H satisfies 2 microns≤L1≤20 microns.

[0125] The micro-texture structure provided by the embodiment of the present disclosure is that the one end of the connecting part 201 connected with the mounting surface 101 forms a first distance L1 with the one end of the connecting part 201 connected with the top wall 202 in the orthographic projection of the mounting surface 101, and the first distance L1 satisfies 15 microns≤L1≤40 microns.

[0126] It can be understood that the surface area of the reflecting surface of the connecting part 201 can be increased, so that the reflected light of the connecting part 201 is more sufficient, thereby improving the appearance visual effect of the pattern processed and formed by the micro-texture structure.

[0127] It should be noted that if the first distance L1 is less than 15 microns, the glossiness of the connecting part 201 will be poor, and if the first distance L1 is greater than 40 microns, the surface roughness of the connecting part 201 will be large.

[0128] It should be noted that the first distance L1 has a plurality of different values, and the values of the first distance L1 will be illustrated in turn as follows.

[0129] In one embodiment, the value of the first distance L1 is 25 microns, and the first distance L1 is set to 25 microns, which can reduce the surface roughness of the reflecting surface of the connecting part 201, thereby improving the appearance visual effect of the pattern processed and formed by the micro-texture structure.

[0130] In another embodiment, the value of the first distance L1 is 35 microns, and the first distance L1 is set to 35 microns, which can improve the glossiness of the reflecting surface of the connecting part 201, thereby improving the appearance visual effect of the pattern processed and formed by the micro-texture structure.

[0131] It can be understood that the specific value of the first distance L1 is not limited, and can be selected according to actual use requirements, as long as the first distance L1 satisfies 15 microns≤L1≤40 microns.

[0132] It should be noted that the top wall 202 has a second length L2, and the second length L2 satisfies 1 micron≤L2≤20 microns.

[0133] It can be understood that the surface area of the reflecting surface of the top wall 202 can be increased, so as to improve the appearance visual effect of the pattern formed by the micro-texture structure processing.

[0134] It should be noted that if the second length L2 is less than 1 microns, the processing difficulty of the top wall 202 will be increased, and the gloss of the micro-texture structure will be poor. If the second length L2 is greater than 20 microns, the occupied area of the top wall 202 will be increased, and the surface roughness of the micro-texture structure will be large.

[0135] It should be noted that the second length L2 has a plurality of different values, and the values of the second length L2 will be illustrated in turn.

[0136] In an embodiment, the value of the second length L2 is 8 microns. By setting the second length L2 to 8 microns, the surface roughness of the reflecting surface of the top wall 202 can be reduced, so as to improve the appearance visual effect of the pattern formed by the micro-texture structure processing.

[0137] In another embodiment, the value of the second length L2 is 13 microns. By setting the second length L2 to 13 microns, the gloss of the reflecting surface of the top wall 202 can be improved, so as to improve the appearance visual effect of the pattern formed by the micro-texture structure processing.

[0138] It can be understood that the specific value of the second length L2 is not limited, and can be selected according to actual use requirements, as long as the second length L2 satisfies: 1 microns≤L1≤20 microns.

[0139] It should be noted that a plurality of protrusions 200 are provided, and among the plurality of protrusions 200, the third distance L3 between the adjacent two protrusions 200 satisfies: 15 microns≤L3≤40 microns.

[0140] It can be understood that by setting the third distance L3, the surface area of the reflecting surface between the adjacent two protrusions 200 can be increased, so as to improve the appearance visual effect of the pattern formed by the micro-texture structure processing.

[0141] It should be noted that the third distance L3 is the minimum distance between the adjacent two protrusions 200 among the plurality of protrusions 200.

[0142] It should be noted that the minimum distance between the adjacent two protrusions 200 is the distance between the connection position of one of the adjacent two protrusions 200 and the substrate 100 and the connection position of the other of the adjacent two protrusions 200 and the substrate 100 in the height direction of the substrate 100.

[0143] It should be noted that if the third distance L3 is less than 15 microns, it will cause the gloss difference between the adjacent two protrusions 200, and if the third distance L3 is greater than 40 microns, it will cause the surface roughness between the adjacent two protrusions 200.

[0144] It should be noted that the third distance L3 has a plurality of different values, and the values of the third distance L3 will be illustrated in turn below.

[0145] In an embodiment, the value of the third distance L3 is 21 microns, and the third distance L3 is set to 21 microns, which can reduce the surface roughness of the reflecting surface between the adjacent two protrusions 200, thereby improving the appearance visual effect of the pattern formed by the micro-texture structure processing.

[0146] In another embodiment, the value of the third distance L3 is 30 microns, and the third distance L3 is set to 30 microns, which can improve the gloss of the reflecting surface between the adjacent two protrusions 200, thereby improving the appearance visual effect of the pattern formed by the micro-texture structure processing.

[0147] It can be understood that the specific value of the third distance L3 is not limited, and can be selected according to actual use requirements, as long as the third distance L3 satisfies: 15 microns≤L1≤40 microns.

[0148] It should be noted that the ratio of the third distance L3, the second length L2 and the first distance L1 is: 1:(0.025-1.3):(0.0.375-2.7).

[0149] It can be understood that the ratio of the third distance L3, the second length L2 and the first distance L1 is: 1:(0.025-1.3):(0.0.375-2.7), which can improve the appearance visual effect between the connecting portion 201, the top wall 202 and the adjacent two protrusions 200, and the connecting portion; thereby improving the appearance visual effect of the pattern formed by the micro-texture structure processing.

[0150] It should be noted that the connecting portion 201 has a plurality of first recesses, and the plurality of first recesses are arranged at intervals along the extension direction of the connecting portion 201.

[0151] It can be understood that the setting of the first recess can increase the reflecting area of the connecting portion 201, thereby increasing the reflecting area of the micro-texture structure, and reducing the roughness of the protrusion 200 to improve the hand feeling of the micro-texture structure; the plurality of first recesses are arranged at intervals along the extension direction of the connecting portion 201, which can make the light projected on the connecting portion 201 be diffusely reflected, thereby improving the appearance visual effect of the pattern formed by the micro-texture structure processing.

[0152] It should be noted that at least part of the base 100 has a second pit, and a plurality of second pits are arranged at intervals along the extension direction of the base 100.

[0153] It can be understood that the arrangement of the second pit can increase the reflection area of the base 100, thereby increasing the reflection area of the micro-texture structure and reducing the roughness of the base 100 to improve the hand feeling of the micro-texture structure; a plurality of second pits are arranged at intervals along the extension direction of the base 100, which can make the light projected on the base 100 be diffusely reflected, thereby improving the appearance visual effect of the pattern formed by the micro-texture structure.

[0154] It should be noted that the first pit and the second pit can be processed by integral polishing, and the specific operation mode can be: using phosphoric acid containing 650-750ml / L and sulfuric acid containing 350-250ml / L, and adopting the form of bubbling and swinging, the convex 200 area will be subjected to greater force under the condition of liquid flow to be washed to etch a plurality of first pits; the corners of the connection area between the convex 200 and the base 100 will also be further polished and passivated; the base 100 is etched to form a second pit; thereby completing the processing of the first pit and the second pit.

[0155] It should be noted that the surface roughness of the convex 200 is 0.001-0.4 microns.

[0156] It can be understood that the surface roughness of the convex 200 is 0.001-0.4 microns, which can make the surface roughness of the convex 200 smaller, thereby improving the holding hand feeling of the micro-texture structure and improving the appearance visual effect of the pattern formed by the micro-texture structure.

[0157] It should be noted that the surface roughness of the mounting surface 101 of the base 100 is 0.1-0.3 microns.

[0158] It can be understood that the surface roughness of the mounting surface 101 of the base 100 is 0.1-0.3 microns, which can make the surface roughness of the mounting surface 101 smaller, thereby making the transition between the convex 200 and the base 100 more natural, and improving the appearance visual effect of the pattern formed by the micro-texture structure.

[0159] It should be noted that the surface gloss of the convex 200 is 360-700 Gu.

[0160] It can be understood that the surface glossiness of the protrusion 200 is 360Gu-700Gu, which can make the visual effect of the protrusion 200 brighter, and the light rays radiated to the protrusion 200 can produce mirror reflection, so as to improve the appearance visual effect of the protrusion 200, and the protrusion 200 has a large difference between the glossiness and the roughness, which can make the protrusion 200 visually present a strong sparkling effect.

[0161] It should be noted that the surface glossiness of the mounting surface 101 of the substrate 100 is 200Gu-350Gu.

[0162] It can be understood that the surface glossiness of the mounting surface 101 of the substrate 100 is 200Gu-350Gu, which can make the visual effect of the mounting surface 101 brighter, and the light rays radiated to the mounting surface 101 can produce mirror reflection, so as to improve the appearance visual effect of the mounting surface 101, and the mounting surface 101 has a large difference between the glossiness and the roughness, which can make the mounting surface 101 visually present a strong sparkling effect.

[0163] The micro-texture structure provided by the embodiment of the present disclosure further comprises: a coating layer arranged on at least one of the mounting surface 101 and the protrusion 200 of the substrate 100.

[0164] It should be noted that the coating layer has a plurality of different arrangement positions, which will be illustrated in turn as follows.

[0165] In one embodiment, the coating layer is arranged on the mounting surface 101, and the coating layer is used to reduce the oxidation of the mounting surface 101 caused by the direct contact of the mounting surface 101 with the external air; and the coating layer can improve the glossiness of the mounting surface 101 and reduce the surface roughness of the mounting surface 101.

[0166] In another embodiment, the coating layer is arranged on the protrusion 200, and the coating layer is used to reduce the oxidation of the protrusion 200 caused by the direct contact of the protrusion 200 with the external air; and the coating layer can improve the glossiness of the protrusion 200 and reduce the surface roughness of the protrusion 200.

[0167] In addition, in another embodiment, the coating layer is arranged on the mounting surface 101 and the protrusion 200, respectively. The coating layer arranged on the mounting surface 101 is used to reduce the oxidation of the mounting surface 101 caused by the direct contact of the mounting surface 101 with the external air; and the coating layer can improve the glossiness of the mounting surface 101 and reduce the surface roughness of the mounting surface 101; the coating layer arranged on the protrusion 200 is used to reduce the oxidation of the protrusion 200 caused by the direct contact of the protrusion 200 with the external air; and the coating layer can improve the glossiness of the protrusion 200 and reduce the surface roughness of the protrusion 200.

[0168] It can be understood that the setting position of the plating layer is not limited, and can be selected according to actual use requirements, as long as the plating layer is arranged on at least one of the mounting surface 101 and the protrusion 200.

[0169] It should be noted that the plating layer has a plurality of different setting modes, and the setting modes of the plating layer will be illustrated in turn.

[0170] In an embodiment, the plating layer can be an anodized layer, the anodized layer is arranged on at least one of the mounting surface 101 and the protrusion 200, and the anodized layer can isolate the plating position from direct contact with the external air, so as to reduce the occurrence of surface oxidation at the plating position, thereby prolonging the service life of the micro-texture structure.

[0171] In another embodiment, the plating layer can be a plasma film, the plasma film is arranged on at least one of the mounting surface 101 and the protrusion 200, and the plasma film can fill and smooth the surface of the plating position, thereby reducing the surface roughness of the plating position, so as to improve the visual appearance of the pattern processed and formed by the micro-texture structure.

[0172] In addition, in another embodiment, the plating layer can be two layers, one of which is an anodized layer, and the other side is a plasma film; the anodized layer can isolate the plating position from direct contact with the external air, so as to reduce the occurrence of surface oxidation at the plating position, thereby prolonging the service life of the micro-texture structure; the plasma film can fill and smooth the surface of the plating position, thereby reducing the surface roughness of the plating position, so as to improve the visual appearance of the pattern processed and formed by the micro-texture structure.

[0173] It can be understood that the specific setting mode of the plating layer is not limited, and can be selected according to actual use requirements.

[0174] It should be noted that in the case where the plating layer is arranged on the protrusion 200, the protrusion 200 covered by the plating layer has a plurality of different surface parameters, and the surface parameters of the protrusion 200 covered by the plating layer will be illustrated in turn.

[0175] In an embodiment, in the case where the plating layer is arranged on the protrusion 200, the surface roughness of the plating layer is 0.001 microns-0.2 microns.

[0176] It can be understood that in the case where the plating layer is arranged on the protrusion 200, the surface roughness of the plating layer is 0.001 microns-0.2 microns, which can make the surface roughness of the protrusion 200 covered by the plating layer smaller, thereby improving the holding feel of the micro-texture structure and improving the visual appearance of the pattern processed and formed by the micro-texture structure.

[0177] In an embodiment, when the coating layer is arranged on the protrusion 200, the surface glossiness of the coating layer is 360Gu-850Gu.

[0178] It can be understood that, when the coating layer is arranged on the protrusion 200, the surface glossiness of the coating layer is 360Gu-850Gu, which can make the visual effect of the protrusion 200 covered by the coating layer brighter, and the light rays radiated to the protrusion 200 covered by the coating layer can produce mirror reflection, so as to improve the appearance visual effect of the protrusion 200 covered by the coating layer.

[0179] In addition, in another embodiment, when the coating layer is arranged on the protrusion 200, the surface roughness of the coating layer is 0.001 microns-0.2 microns, and the surface glossiness of the coating layer is 360Gu-850Gu.

[0180] It can be understood that, when the coating layer is arranged on the protrusion 200, the surface roughness of the coating layer is 0.001 microns-0.2 microns, which can make the surface roughness of the protrusion 200 covered by the coating layer smaller, so as to improve the holding feeling of the micro-texture structure and improve the appearance visual effect of the pattern processed by the micro-texture structure. When the coating layer is arranged on the protrusion 200, the surface glossiness of the coating layer is 360Gu-850Gu, which can make the visual effect of the protrusion 200 covered by the coating layer brighter, and the light rays radiated to the protrusion 200 covered by the coating layer can produce mirror reflection, so as to improve the appearance visual effect of the protrusion 200 covered by the coating layer. And the protrusion 200 covered by the coating layer has a large difference between the glossiness and the roughness, which can make the protrusion 200 covered by the coating layer visually present a strong flash effect.

[0181] It can be understood that, when the coating layer is arranged on the protrusion 200, the surface parameters of the protrusion 200 covered by the coating layer are not limited, and can be selected according to actual use requirements.

[0182] It should be noted that, when the coating layer is arranged on the mounting surface 101, the mounting surface 101 covered by the coating layer has a plurality of different surface parameters, and the surface parameters of the mounting surface 101 covered by the coating layer will be described in turn.

[0183] In an embodiment, when the coating layer is arranged on the mounting surface 101, the surface roughness of the coating layer is 0.01 microns-0.2 microns.

[0184] It can be understood that, in the case that the plating layer is arranged on the mounting surface 101, the surface roughness of the plating layer is 0.01-0.2 microns, which can make the surface roughness of the mounting surface 101 covered by the plating layer smaller, thereby improving the holding feeling of the micro-texture structure and improving the appearance visual effect of the pattern processed by the micro-texture structure.

[0185] In an embodiment, in the case that the plating layer is arranged on the mounting surface 101, the surface glossiness of the plating layer is 300-700 Gu.

[0186] It can be understood that, in the case that the plating layer is arranged on the mounting surface 101, the surface glossiness of the plating layer is 300-700 Gu, which can make the visual effect of the mounting surface 101 covered by the plating layer brighter, and make the light rays shot to the mounting surface 101 covered by the plating layer produce mirror reflection, so as to improve the appearance visual effect of the mounting surface 101 covered by the plating layer.

[0187] In addition, in another embodiment, in the case that the plating layer is arranged on the mounting surface 101, the surface roughness of the plating layer is 0.01-0.2 microns, and the surface glossiness of the plating layer is 300-700 Gu.

[0188] It can be understood that, in the case that the plating layer is arranged on the mounting surface 101, the surface roughness of the plating layer is 0.01-0.2 microns, which can make the surface roughness of the mounting surface 101 covered by the plating layer smaller, thereby improving the holding feeling of the micro-texture structure and improving the appearance visual effect of the pattern processed by the micro-texture structure. In the case that the plating layer is arranged on the mounting surface 101, the surface glossiness of the plating layer is 300-700 Gu, which can make the visual effect of the mounting surface 101 covered by the plating layer brighter, and make the light rays shot to the mounting surface 101 covered by the plating layer produce mirror reflection, so as to improve the appearance visual effect of the mounting surface 101 covered by the plating layer. Moreover, the mounting surface 101 covered by the plating layer has a large difference between the glossiness and the roughness, which can make the mounting surface 101 covered by the plating layer visually present a strong flash effect.

[0189] It can be understood that, in the case that the plating layer is arranged on the mounting surface 101, the surface parameters of the mounting surface 101 covered by the plating layer are not limited, and can be selected according to actual use requirements.

[0190] It should be noted that, taking the aluminum alloy layer as the substrate 100, the anodic oxidation layer can be generated by the following method.

[0191] The aluminum alloy layer is placed into the reaction tank containing sulfuric acid solution with a concentration of 0.5 mol / L and a temperature of 18℃, and under the action of an external current, an anodic oxidation layer is formed on the surface of the aluminum alloy layer, the pore size of the micropores of the anodic oxidation layer is 10nm-100nm, and the number of the micropores of the anodic oxidation layer satisfies 100-3000 / μm 2 .

[0192] It should be noted that, taking the aluminum alloy layer of the substrate 100 as an example, the plasma film can be generated in the following manner.

[0193] The aluminum alloy layer or the aluminum alloy layer with the anodic oxidation layer is placed into a vacuum coating machine; after vacuumizing, heating and ion cleaning in sequence, coating treatment is performed. The coating process is specifically as follows:

[0194] Preparation of the first base layer: a Cr target is used, a bias voltage of-300V is set, the Cr target current is 25A, the thickness of the coated film layer is 50nm, the average grain size of the first base layer is 8nm, and the nanohardness of the first base layer is 14GPa; ion bombardment is performed for 10min after coating;

[0195] Preparation of the second base layer: a Cr target is used, a direct current mode, i.e. no bias voltage, is set, the Cr target current is 8A, the thickness of the coated film layer is 80nm, the average grain size of the second base layer is 60nm, and the nanohardness of the second base layer is 8GPa;

[0196] Preparation of the third base layer: a Cr target is used, a bias voltage of-80V is set, the Cr target current is 20A, the thickness of the coated film layer is 60nm, the average grain size of the third base layer is 40nm, and the nanohardness of the third base layer is 9GPa, i.e. the base layer coating is completed;

[0197] Preparation of the transition layer: a Ti target and a Cr target are used for joint coating, a direct current mode, i.e. no bias voltage, is set, the target current is 20A, and the thickness of the coated film layer is 500nm.

[0198] Preparation of the color layer: a Ti target is used, a reaction gas is introduced during magnetron sputtering, the reaction gas is nitrogen, a direct current mode, i.e. no bias voltage, is set, the target current is 20A, and the thickness of the coated film layer is 800nm.

[0199] It should be noted that, in the case that the substrate 100 and the protrusion 200 are separately arranged and at least part of the substrate 100 is connected with the protrusion 200, the micro-texture structure can be processed in the following manner:

[0200] S1: preparing the protrusion 200: spraying 3-9 μm photoresist on the surface of the substrate 100, pre-baking at 100°C for 4 minutes, and then performing LDi exposure on the photoresist using a preset waveband, and then dissolving the photoresist that has undergone chemical changes after exposure using a developing solution, and then hard-baking at a temperature of 140-180°C for 20-50 minutes to solidify the photoresist and form the protrusion 200;

[0201] S2: forming the protrusion 200: using a chemical polishing solution containing 650-750 ml / L of phosphoric acid and 350-250 ml / L of sulfuric acid to perform chemical polishing etching at 70-95°C for 1-5 minutes, and then using an organic solvent to remove the plating of the photoresist, so that the protrusion 200 can be formed;

[0202] S3: forming the first and second recesses: using a chemical polishing solution containing 650-750 ml / L of phosphoric acid and 350-250 ml / L of sulfuric acid to perform overall chemical polishing in the form of bubbling and swinging, so that the protrusion 200 region can be subjected to a large force in the state of liquid flow to be etched to form a plurality of first recesses; the corners of the connection region between the protrusion 200 and the substrate 100 can also be further polished and passivated; and part of the region of the substrate 100 can be subjected to scouring in the state of liquid flow to be etched to form a second recess;

[0203] S4: plating: placing the micro-textured structure subjected to the above treatment in a vacuum plating machine, and performing plating treatment after vacuumizing, heating, and ion cleaning.

[0204] The micro-textured structure described in any of the above embodiments can be provided on the surface of the product body.

[0205] The product with the micro-textured structure in the embodiments of the present disclosure can be a vehicle, for example: the vehicle can be a fuel automobile, a gas automobile, or a new energy automobile, and the new energy automobile can be a pure electric automobile, a hybrid automobile, or a range-extender automobile, etc. Correspondingly, the micro-textured structure can be a metal surface on the vehicle, or a glass surface on the vehicle.

[0206] In addition, the product with the micro-textured structure can also be other devices that need surface treatment, such as a mobile phone, a portable device, a notebook computer, an electric toy, an electric tool, a ship, and a spacecraft, etc., wherein the spacecraft can include an airplane, a rocket, a space shuttle, or a spacecraft.

[0207] Since the product with the micro-textured structure in the embodiments includes the micro-textured structure described in any of the above embodiments, the product with the micro-textured structure includes the structure and beneficial effects of the micro-textured structure, and the embodiments will not be described again here.

[0208] The electronic device according to any of the above embodiments can be a mobile phone, a portable device, a notebook computer, an electric toy, an electric tool, etc.

[0209] The electronic device in the embodiments of the present disclosure can be a mobile phone, a portable device, a notebook computer, an electric toy, an electric tool, etc.

[0210] The embodiments or implementations in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same or similar parts between the embodiments can be mutually referred to.

[0211] It should be noted that the embodiments referred to in the specification as "one embodiment", "an embodiment", "exemplary embodiment", "some embodiments" and the like can include specific features, structures or characteristics, but not necessarily every embodiment includes the specific features, structures or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when a specific feature, structure or characteristic is described in combination with an embodiment, it is within the knowledge of those skilled in the art to realize such feature, structure or characteristic in combination with other embodiments that are explicitly or implicitly described.

[0212] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present disclosure, but not to limit them; although the present disclosure has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the above embodiments, or make equivalent replacement for part or all of the technical features; and such modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present disclosure.

Claims

1. A micro-textured structure, characterized in that, The application relates to a substrate (100) and at least one protrusion (200) provided on at least part of the surface of the substrate (100), wherein the protrusion (200) has at least one connecting part (201) connected with the substrate (100), and wherein the connecting part (201) is arranged at an angle alpha with the substrate (100), and the angle alpha satisfies the following condition: 0 < alpha < 90 degrees. The substrate (100) has a mounting surface (101), and the protrusion (200) has a top wall (202) and a peripheral wall (203). One end of the peripheral wall (203) is connected with the mounting surface (101), and the other end of the peripheral wall (203) is connected with the top wall (202). The top wall (202) is arranged at a spacing from the mounting surface (101) along the height direction of the substrate (100). 5°≤α≤45°。 2. A microtexture according to claim 1, wherein, The application further relates to a transition surface, one end of the transition surface is connected with the mounting surface (101), and the other end of the transition surface is connected with the top wall (202). The transition surface is connected with the connecting part (201) to form the peripheral wall (203). The connecting part (201) is provided with a plurality of connecting parts (201) connected to form the peripheral wall (203).

3. A microtexture according to claim 2, wherein, The protrusion (200) is provided with a plurality of protrusions (200) arranged at a spacing. The protrusion (200) has a first thickness H along the height direction of the substrate (100), and the first thickness H satisfies the following condition: 2 microns <= H <= 20 microns. The first spacing L1 is formed between the end of the connecting part (201) connected with the mounting surface (101) and the end of the connecting part (201) connected with the top wall (202) in the orthogonal projection of the mounting surface (101), and the first spacing L1 satisfies the following condition: 15 microns <= L1 <= 40 microns.

4. A microtexture according to claim 2 or 3, wherein, The top wall (202) has a second length L2, and the second length L2 satisfies the following condition: 1 micron <= L2 <= 20 microns.

5. A microtexture according to any one of claims 1-4, wherein, The protrusion (200) is provided with a plurality of protrusions (200), and the third spacing L3 between two adjacent protrusions (200) satisfies the following condition: 15 microns <= L3 <= 40 microns.

6. A microtexture according to any one of claims 1-5, wherein, The ratio of the third spacing L3, the second length L2 and the first spacing L1 ranges from 1:(0.025-1.3):(0.375-2.7).

7. A microtexture according to claim 3 or 4, wherein, The connecting part (201) has a plurality of first pits arranged at a spacing along the extension direction of the connecting part (201).

8. A microtexture according to claim 7, wherein, At least part of the substrate (100) has a plurality of second pits arranged at a spacing along the extension direction of the substrate (100).

9. A microtexture according to claim 8, wherein, The surface roughness of the protrusion (200) is 0.001 microns-0.4 microns.

10. A microtexture according to claim 9, wherein, The surface roughness of the mounting surface (101) of the substrate (100) is 0.1 microns-0.3 microns.

11. A microtexture according to any one of claims 1-10, wherein, The surface glossiness of the protrusion (200) is 360 Gu-700 Gu.

12. A microtexture according to any one of claims 1-11, wherein, ​ 13. A microtexture according to any one of claims 1 to 12, wherein, ​ 14. A microtexture according to any one of claims 1-13, wherein, ​ 15. A microtexture according to any one of claims 1-14, wherein, ​ 16. A microtexture according to any one of claims 1-15, wherein, The surface gloss of the mounting surface (101) of the substrate (100) is 200 Gu to 350 Gu.

17. A microtexture according to any one of claims 1-16, wherein, Also included are: A plating layer disposed on at least one of the mounting surface (101) of the substrate (100) and the protrusion (200).

18. A microtexture according to claim 17, wherein, In the case where the plating layer is disposed on the protrusion (200), the plating layer satisfies at least one of the following conditions: The surface roughness of the plating layer is 0.001 micrometers to 0.2 micrometers; The surface gloss of the plating layer is 360 Gu to 850 Gu.

19. The microtexture of claim 17, wherein, In the case where the plating layer is disposed on the mounting surface (101), the plating layer satisfies at least one of the following conditions: The surface roughness of the plating layer is 0.01 micrometers to 0.2 micrometers; The surface gloss of the plating layer is 300 Gu to 700 Gu.

20. An article having a micro-textured structure, characterized by, An article body and the micro-texture structure of any one of claims 1-19 disposed on the article body.

21. An electronic device, comprising: A micro-texture structure of any one of claims 1-19.

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