Metallic PVD (Physical Vapor Deposition) vacuum coating and electronic equipment shell

Abstract

The utility model discloses a metal texture PVD vacuum coating and an electronic equipment shell, and belongs to the technical field of PVD coatings, the metal texture PVD vacuum coating comprises a PVD coating, the PVD coating is uniformly deposited on the surface of the shell, the PVD coating comprises a titanium carbonitride layer, an aluminum nitride layer, a chromium aluminum nitride layer, a metal bottom layer, a corrosion-resistant bottom layer and an electromagnetic shielding layer, by arranging the titanium carbonitride layer, the aluminum nitride layer, the chromium aluminum nitride layer and the metal bottom layer, the wear resistance can be improved, and by arranging the anti-static layer, the anti-static effect is improved, the static influence is avoided, the service life of the anti-static wear-resistant ceramic tile is prolonged, the service life of the anti-static wear-resistant ceramic tile is prolonged, the service life of the anti-static wear-resistant ceramic tile is prolonged, and the service life of the anti-static wear-resistant ceramic tile is prolonged. The corrosion-resistant bottom layer achieves protection, corrosion reduction and service life prolonging, the electromagnetic shielding layer and the carbon nano tube layer conduct electromagnetic shielding, interference caused by electromagnetic waves is avoided, the silver wire layer has the anti-static and anti-electromagnetic-wave effects, and the use stability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of PVD coating, and particularly relates to a PVD vacuum coating with metallic texture and an outer shell of an electronic device. Background Art

[0002] The PVD technology is the name of the physical vapor deposition surface treatment technology. The PVD coating process is a nano-level pollution-free environmental protection surface treatment method. Without affecting the original size of the workpiece, the PVD coating can greatly improve the hardness and wear resistance of the material surface. In addition, the PVD coating also has good high-temperature resistance, corrosion resistance and low friction coefficient. The physical vapor deposition process of PVD is carried out in a clean vacuum environment without any pollution, and it is one of the most advanced surface treatment methods today.

[0003] The existing PVD vacuum coating with metallic texture has the following problems in use: poor corrosion resistance, inability to perform electromagnetic shielding, and inability to prevent static electricity, resulting in limited use. Summary of the Utility Model

[0004] To solve the problems raised in the above background art, the utility model provides a PVD vacuum coating with metallic texture and an outer shell of an electronic device, which has the characteristics of good corrosion resistance, good electromagnetic shielding and anti-static.

[0005] To achieve the above object, the utility model provides the following technical solution: a PVD vacuum coating with metallic texture, including a PVD coating, the PVD coating is uniformly deposited on the surface of the outer shell body, the PVD coating includes a titanium carbonitride layer, an aluminum nitride layer, a chromium aluminum nitride layer, a metal bottom layer, a corrosion-resistant bottom layer and an electromagnetic shielding layer. Among them, the chromium aluminum nitride layer is arranged on the upper surface of the metal bottom layer, the aluminum nitride layer is arranged on the upper surface of the chromium aluminum nitride layer, the titanium carbonitride layer is arranged on the upper surface of the aluminum nitride layer, the electromagnetic shielding layer is arranged on the upper surface of the titanium carbonitride layer, and the corrosion-resistant bottom layer is arranged on the upper surface of the electromagnetic shielding layer.

[0006] Preferably, a carbon nanotube layer is arranged on the upper surface of the corrosion-resistant bottom layer.

[0007] Preferably, the electromagnetic shielding layer is a nickel ferrite structure.

[0008] Preferably, a silver wire layer is arranged on the upper surface of the carbon nanotube layer.

[0009] Preferably, an anti-static layer is arranged on the upper surface of the silver wire layer.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The utility model improves wear resistance by setting a titanium carbonitride layer, an aluminum nitride layer, a chromium aluminum nitride layer and a metal bottom layer. The anti-static layer is set to improve the anti-static effect and avoid the influence of static electricity. The corrosion-resistant bottom layer reduces corrosion through protection, improves the service life, and the electromagnetic shielding layer and the carbon nanotube layer perform electromagnetic shielding to avoid interference caused by electromagnetic waves. The silver wire layer has anti-static and anti-electromagnetic wave effects, improving the use stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of the utility model;

[0013] In the figure: 1, PVD coating; 11, anti-static layer; 12, titanium carbonitride layer; 13, aluminum nitride layer; 14, chromium aluminum nitride layer; 15, metal bottom layer; 16, corrosion-resistant bottom layer; 17, electromagnetic shielding layer; 18, carbon nanotube layer; 19, silver wire layer; 2, outer shell. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0014] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0015] Please refer to Figure 1 , the present utility model provides the following technical solutions: A PVD vacuum coating with a metallic texture, including a PVD coating 1, the PVD coating 1 is uniformly deposited on the surface of the outer shell 2, and the PVD coating 1 includes a titanium carbonitride layer 12, an aluminum nitride layer 13, a chromium aluminum nitride layer 14, a metal bottom layer 15, a corrosion-resistant bottom layer 16 and an electromagnetic shielding layer 17. Among them, a chromium aluminum nitride layer 14 is provided on the upper surface of the metal bottom layer 15, an aluminum nitride layer 13 is provided on the upper surface of the chromium aluminum nitride layer 14, a titanium carbonitride layer 12 is provided on the upper surface of the aluminum nitride layer 13, an electromagnetic shielding layer 17 is provided on the upper surface of the titanium carbonitride layer 12, and a corrosion-resistant bottom layer 16 is provided on the upper surface of the electromagnetic shielding layer 17.

[0016] Specifically, a carbon nanotube layer 18 is provided on the upper surface of the corrosion-resistant bottom layer 16.

[0017] By adopting the above technical solutions, the carbon nanotube layer 18 performs electromagnetic shielding to avoid interference caused by electromagnetic waves and improve the use stability.

[0018] Specifically, the electromagnetic shielding layer 17 has a nickel ferrite structure.

[0019] By adopting the above technical solution, the electromagnetic shielding layer 17 conducts electromagnetic shielding to avoid interference caused by electromagnetic waves and improve the use stability.

[0020] Specifically, a silver wire layer 19 is provided on the upper surface of the carbon nanotube layer 18.

[0021] By adopting the above technical solution, the anti-static effect is improved, the influence of static electricity is avoided, and at the same time, it has an anti-electromagnetic wave effect.

[0022] Specifically, an anti-static layer 11 is provided on the upper surface of the silver wire layer 19.

[0023] By adopting the above technical solution, the anti-static effect is improved, and the influence of static electricity is avoided.

[0024] When this embodiment is used, by setting the titanium carbonitride layer 12, aluminum nitride layer 13, chromium aluminum nitride layer 14 and metal bottom layer 15, the wear resistance can be improved. By setting the anti-static layer 11, the anti-static effect is improved, and the influence of static electricity is avoided. The corrosion-resistant bottom layer 16 reduces corrosion through protection, improves the service life. The electromagnetic shielding layer 17 and the carbon nanotube layer 18 conduct electromagnetic shielding to avoid interference caused by electromagnetic waves. The silver wire layer 19 has anti-static and anti-electromagnetic wave effects, and improves the use stability.

[0025] Embodiment 2

[0026] This embodiment provides an outer shell of an electronic device, and this embodiment includes a metal texture PVD vacuum coating as described in the above embodiment.

[0027] The components and working principles of the titanium carbonitride layer 12, aluminum nitride layer 13, chromium aluminum nitride layer 14 and metal bottom layer 15 in the present utility model have been disclosed in a PVD coating for wear resistance on the surface of a mold with Chinese patent application number 202322209954.0.

[0028] The working principle and use process of the present utility model: When the present utility model is used, by setting the titanium carbonitride layer 12, aluminum nitride layer 13, chromium aluminum nitride layer 14 and metal bottom layer 15, the wear resistance can be improved. By setting the anti-static layer 11, the anti-static effect is improved, and the influence of static electricity is avoided. The corrosion-resistant bottom layer 16 reduces corrosion through protection, improves the service life. The electromagnetic shielding layer 17 and the carbon nanotube layer 18 conduct electromagnetic shielding to avoid interference caused by electromagnetic waves. The silver wire layer 19 has anti-static and anti-electromagnetic wave effects, and improves the use stability.

[0029] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A metallic texture PVD vacuum coating, comprising a PVD coating, characterized in that: The PVD coating is uniformly deposited on the surface of the outer shell, and the PVD coating includes a titanium carbide nitride layer, an aluminum nitride layer, a chromium aluminum nitride layer, a metal base layer, a corrosion-resistant base layer and an electromagnetic shielding layer, wherein the upper surface of the metal base layer is provided with a chromium aluminum nitride layer, the upper surface of the chromium aluminum nitride layer is provided with an aluminum nitride layer, the upper surface of the aluminum nitride layer is provided with a titanium carbide nitride layer, the upper surface of the titanium carbide nitride layer is provided with an electromagnetic shielding layer, and the upper surface of the electromagnetic shielding layer is provided with a corrosion-resistant base layer.

2. The metallic texture PVD vacuum coating according to claim 1, characterized in that: The upper surface of the corrosion-resistant bottom layer is provided with a carbon nanotube layer.

3. The metallic texture PVD vacuum coating according to claim 1, characterized in that: The electromagnetic shielding layer is a nickel ferrite structure.

4. The metallic texture PVD vacuum coating according to claim 2, characterized in that: A silver wire layer is arranged on the upper surface of the carbon nanotube layer.

5. The metallic texture PVD vacuum coating according to claim 4, characterized in that: An antistatic layer is arranged on the upper surface of the silver wire layer.

6. An electronic device housing, characterized in that: A metallic texture PVD vacuum coating comprising any one of claims 1-5.

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