Tempering blue-gray three-silver energy-saving glass

Abstract

The invention relates to the technical field of magnetron sputtering coating, and provides temperable blue-gray three-silver energy-saving glass which is characterized in that 18 composite film layers, including 3 silver functional layers, 3 Ni-Cr protective layers, 1 NiCr absorbing layer and 11 dielectric layers, are sequentially coated on a glass substrate through a vacuum magnetron sputtering technology. According to the method, the absorption layer Ni Cr is added between the first dielectric layer and the second dielectric layer, so that the color of the tempered glass is effectively improved, the surface of the glass is blue gray rather than green, the film surface reflectivity is reduced, and the aesthetic property is improved. Compared with the prior art, the three-silver energy-saving glass overcomes the defect that the existing three-silver energy-saving glass lacks a blue gray tempered version, and successfully realizes the combination of excellent color effect and high heat insulation performance.

Description

Technical Field

[0001] The invention relates to the technical field of magnetron sputtering coating, and more specifically to a temperable blue-grey triple-silver energy-saving glass. Background Art

[0002] Energy-saving glass is widely used in the field of building curtain walls, and has excellent thermal insulation and aesthetic effects. With the continuous improvement of society's requirements for environmental protection and energy conservation, energy-saving glass products have undergone multiple technical stages of evolution, from the initial single-silver energy-saving glass to new products such as double-silver and triple-silver glass. Each iteration is aimed at improving the thermal performance of glass while maintaining its transparency and aesthetics. At present, triple-silver energy-saving glass is widely used for its excellent thermal isolation performance, and plays an important role in reducing building energy consumption and improving living comfort. Especially in modern buildings, the high light transmittance and low reflectivity of triple-silver energy-saving glass have greatly improved the aesthetic effect of the building facade.

[0003] With the implementation of the national energy conservation and consumption reduction and low-carbon environmental protection policies, the market demand for high-performance energy-saving glass continues to increase. In addition to performance requirements, architects and consumers have also put forward higher standards for the color selection of energy-saving glass. Blue-gray, as a glass color that has both good visual effects and can meet the needs of efficient heat insulation, has been favored by the market. Therefore, blue-gray tempered triple-silver energy-saving glass has become the preferred material for more and more construction projects.

[0004] However, most of the existing temperable triple-silver energy-saving glass has the problem of limited colors, especially the lack of blue-gray options. Although there are a certain number of triple-silver energy-saving glass products on the market, these products usually only provide light colors or transparent effects, and there is a lack of glass that can maintain stable color and have a blue-gray tone after tempering. This problem has, to a certain extent, limited the market demand for energy-saving glass with greater aesthetic value and functionality. Therefore, how to produce triple-silver energy-saving glass with a blue-gray appearance while meeting the tempering requirements has become a major technical challenge. Summary of the invention

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a tempered blue-gray triple-silver energy-saving glass, which is coated with 18 layers of composite film layers on a glass substrate in sequence by vacuum magnetron sputtering technology, including a silver functional layer, a NiCr protective layer, a NiCr absorption layer and a dielectric layer. By adding a NiCr absorption layer between the dielectric layers, the color of the tempered glass is effectively improved, ensuring a blue-gray appearance while reducing the reflectivity. This solves the defect that the existing triple-silver energy-saving glass cannot provide a blue-gray tempered version.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A temperable blue-gray triple-silver energy-saving glass comprises a glass substrate, on which eighteen composite film layers are sequentially arranged, including three functional layers of silver, three protective layers of nickel-chromium alloy, one absorption layer of nickel-chromium alloy, and eleven dielectric layers; the preparation method comprises coating by a vacuum coating machine, and the coating sequence from the glass substrate upward is: a first dielectric layer, a first absorption layer, a second dielectric layer, a third dielectric layer, a first functional layer, a first protective layer, a fourth dielectric layer, a fifth dielectric layer, a sixth dielectric layer, a second functional layer, a second protective layer, a seventh dielectric layer, an eighth dielectric layer, a ninth dielectric layer, a third functional layer, a third protective layer, a tenth dielectric layer, and an eleventh dielectric layer.

[0008] As a further scheme of the present invention, the dielectric layer material is silicon nitride, zinc aluminum oxide, zinc tin oxide, and aluminum oxide; the first dielectric layer is Si Nx, the second dielectric layer is Si Nx, the third dielectric layer is ZnAlOx, the fourth dielectric layer is AZO, the fifth dielectric layer is ZnSnOx, the sixth dielectric layer is ZnAlOx, the seventh dielectric layer is AZO, the eighth dielectric layer is ZnSnOx, the ninth dielectric layer is ZnAl Ox, the tenth dielectric layer is AZO, and the eleventh dielectric layer is Si Nx.

[0009] As a further solution of the present invention, the film thickness of the second dielectric layer is greater than 25 nanometers.

[0010] As a further solution of the present invention, the first dielectric layer is SiNx, the first absorption layer is NiCr, the first functional layer is Ag, the first protective layer is NiCr, the fourth dielectric layer is AZO, the second functional layer is Ag, the second protective layer is NiCr, the third functional layer is Ag, and the third protective layer is NiCr.

[0011] As a further solution of the present invention, the material of the first dielectric layer is silicon nitride; the material of the first absorption layer is metal nickel and chromium alloy; the material of the second dielectric layer is silicon nitride; the material of the third dielectric layer is zinc oxide and aluminum oxide; the material of the fourth dielectric layer is aluminum oxide; the material of the fifth dielectric layer is zinc oxide and tin oxide; the material of the sixth dielectric layer is zinc oxide and aluminum oxide; the material of the seventh dielectric layer is aluminum oxide; the material of the eighth dielectric layer is zinc oxide and tin oxide; the material of the ninth dielectric layer is zinc oxide and aluminum oxide; the material of the tenth dielectric layer is aluminum oxide; and the material of the eleventh dielectric layer is silicon nitride.

[0012] As a further solution of the present invention, the film thickness of the first functional layer is 11.8 nanometers, the film thickness of the second functional layer is 13.0 nanometers, and the film thickness of the third functional layer is 18.2 nanometers.

[0013] As a further solution of the present invention, the film thickness of the first protective layer is 0.8 nanometers, the film thickness of the second protective layer is 3.3 nanometers, and the film thickness of the third protective layer is 0.3 nanometers.

[0014] As a further scheme of the present invention, the film thickness of the first dielectric layer is 8.0 nanometers, the film thickness of the second dielectric layer is 26.0 nanometers, the film thickness of the third dielectric layer is 8.0 nanometers, the film thickness of the fourth dielectric layer is 5.0 nanometers, the film thickness of the fifth dielectric layer is 50.0 nanometers, the film thickness of the sixth dielectric layer is 8.0 nanometers, the film thickness of the seventh dielectric layer is 5.0 nanometers, the film thickness of the eighth dielectric layer is 70.0 nanometers, the film thickness of the ninth dielectric layer is 8.0 nanometers, the film thickness of the tenth dielectric layer is 5.0 nanometers, and the film thickness of the eleventh dielectric layer is 31.3 nanometers.

[0015] As a further solution of the present invention, the film thickness of the first absorption layer is 0.8 nanometers.

[0016] As a further solution of the present invention, the color of the glass surface changes slightly before and after tempering, so that the glass surface after tempering is blue-gray.

[0017] As a further solution of the present invention, a method for preparing tempered blue-gray triple-silver energy-saving glass comprises the following steps:

[0018] providing a cleaned glass substrate;

[0019] The first dielectric layer made of silicon nitride is plated on the glass substrate by using a vacuum magnetron sputtering coating process;

[0020] The first absorption layer made of metal nickel and chromium alloy is plated on the first dielectric layer by using a vacuum magnetron sputtering coating process;

[0021] The second dielectric layer made of silicon nitride is plated on the first absorption layer by using a vacuum magnetron sputtering coating process;

[0022] The third dielectric layer made of zinc oxide and aluminum oxide is plated on the second dielectric layer by using a vacuum magnetron sputtering coating process;

[0023] The first functional layer made of metallic silver is plated on the third dielectric layer by using a vacuum magnetron sputtering coating process;

[0024] The first protective layer made of metal nickel and chromium alloy is plated on the first functional layer by using a vacuum magnetron sputtering coating process;

[0025] The fourth dielectric layer made of aluminum oxide is plated on the first protective layer by using a vacuum magnetron sputtering coating process;

[0026] The fifth dielectric layer made of zinc oxide and tin oxide is plated on the fourth dielectric layer by using a vacuum magnetron sputtering coating process;

[0027] The sixth dielectric layer made of zinc oxide and aluminum oxide is plated on the fifth dielectric layer by using a vacuum magnetron sputtering coating process;

[0028] The second functional layer made of metallic silver is plated on the sixth dielectric layer by using a vacuum magnetron sputtering coating process;

[0029] The second protective layer made of metal nickel and chromium alloy is plated on the second functional layer by using a vacuum magnetron sputtering coating process;

[0030] The seventh dielectric layer made of aluminum oxide is plated on the second protective layer by using a vacuum magnetron sputtering coating process;

[0031] The eighth dielectric layer made of zinc oxide and tin oxide is plated on the seventh dielectric layer by using a vacuum magnetron sputtering coating process;

[0032] The ninth dielectric layer made of zinc oxide and aluminum oxide is plated on the eighth dielectric layer by using a vacuum magnetron sputtering coating process;

[0033] The third functional layer made of metallic silver is plated on the ninth dielectric layer by using a vacuum magnetron sputtering coating process;

[0034] The third protective layer made of metal nickel and chromium alloy is plated on the third functional layer by using a vacuum magnetron sputtering coating process;

[0035] The tenth dielectric layer made of aluminum oxide is plated on the third protective layer by using a vacuum magnetron sputtering coating process;

[0036] The eleventh dielectric layer made of silicon nitride is plated on the tenth dielectric layer by using a vacuum magnetron sputtering coating process.

[0037] As a further solution of the present invention, the temperable blue-gray high-performance triple-silver energy-saving glass is coated on a 6 mm glass and the glass surface is blue-gray after tempering, the visible light reflectivity is 16.5%, the transmittance is 46%, and the surface resistance is 0.8 ohms.

[0038] As a further solution of the present invention, the tempered blue-gray high-performance triple-silver energy-saving glass is combined with a 6 mm white glass original sheet to form a hollow glass, the gas partition in the middle of the hollow glass is 12 mm, the national standard for the shading coefficient of the hollow glass is 0.25, and the national standard for the light-to-heat ratio is 2.0.

[0039] Compared with the prior art, the beneficial effects of the tempered blue-gray triple-silver energy-saving glass of the present invention are:

[0040] The present invention sequentially plates 18 layers of composite film on a glass substrate through vacuum magnetron sputtering technology, including a silver functional layer, a NiCr protective layer, a NiCr absorption layer and a dielectric layer. In particular, the absorption layer NiCr is added between the first and second dielectric layers, which effectively avoids the green color of the glass after tempering, maintains the blue-gray color, and reduces the reflectivity of the film surface. The larger thickness of the second dielectric layer (greater than 25 nanometers) ensures that the color change before and after tempering is small, ensuring the blue-gray effect. Compared with the prior art, the present invention solves the defect that the existing three-silver energy-saving glass cannot provide a blue-gray tempered version, while maintaining a lower visible light reflectance (16.5%) and a higher transmittance (46%), and meets the national standard requirements of the shading coefficient (0.25) and light-to-heat ratio (2.0) of insulating glass, and can effectively meet the dual needs of modern buildings for aesthetics and high-performance energy saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 This is a film layer structure diagram of a tempered blue-gray triple-silver energy-saving glass according to the present invention. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] Example 1

[0044] A temperable blue-grey triple-silver energy-saving glass comprises a glass substrate, on which eighteen composite film layers are sequentially arranged, including three functional layers of silver, three protective layers of nickel-chromium alloy, one absorption layer of nickel-chromium alloy, and 11 dielectric layers, wherein the dielectric layer materials are silicon nitride, zinc aluminum oxide, zinc tin oxide, and aluminum oxide.

[0045] The preparation method in the embodiment of the present invention is to coat the film by a vacuum coating machine.

[0046] The temperable blue-gray triple-silver energy-saving glass in the embodiment of the present invention comprises a first dielectric layer, the first dielectric layer is SiNx, and the material of the first dielectric layer is silicon nitride;

[0047] The temperable blue-gray triple-silver energy-saving glass in the embodiment of the present invention includes a first absorption layer, the first absorption layer is NiCr, and the material of the first absorption layer is a metal nickel and chromium alloy.

[0048] The temperable blue-gray triple-silver energy-saving glass in the embodiment of the present invention includes a second dielectric layer, the second dielectric layer is SiNx, and the material of the second dielectric layer is silicon nitride.

[0049] The temperable blue-gray triple-silver energy-saving glass in the embodiment of the present invention includes a third dielectric layer, the third dielectric layer is ZnAlOx, and the material of the third dielectric layer is zinc oxide and aluminum oxide.

[0050] The temperable blue-gray triple-silver energy-saving glass in the embodiment of the present invention includes a first functional layer, the first functional layer is Ag, and the material of the first functional layer is metallic silver.

[0051] The temperable blue-gray triple-silver energy-saving glass in the embodiment of the present invention includes a first protective layer, the first protective layer is NiCr, and the material of the first protective layer is a metal nickel and chromium alloy.

[0052] The temperable blue-gray triple-silver energy-saving glass in the embodiment of the present invention includes a fourth dielectric layer, the fourth dielectric layer is AZO, and the material of the fourth dielectric layer is aluminum oxide.

[0053] The temperable blue-gray triple-silver energy-saving glass in the embodiment of the present invention includes a fifth dielectric layer, the fifth dielectric layer is ZnSnOx, and the material of the fifth dielectric layer is zinc oxide and tin oxide.

[0054] The temperable blue-gray triple-silver energy-saving glass in the embodiment of the present invention includes a sixth dielectric layer, the sixth dielectric layer is ZnAlOx, and the material of the sixth dielectric layer is zinc oxide and aluminum oxide.

[0055] The temperable blue-gray triple-silver energy-saving glass in the embodiment of the present invention includes a second functional layer, the second functional layer is Ag, and the material of the second functional layer is metallic silver.

[0056] The temperable blue-gray triple-silver energy-saving glass in the embodiment of the present invention includes a second protective layer, the second protective layer is NiCr, and the material of the second protective layer is a metal nickel and chromium alloy.

[0057] The temperable blue-gray triple-silver energy-saving glass in the embodiment of the present invention includes a seventh dielectric layer, the seventh dielectric layer is AZO, and the material of the seventh dielectric layer is aluminum oxide.

[0058] The temperable blue-gray triple-silver energy-saving glass in the embodiment of the present invention includes an eighth dielectric layer, the eighth dielectric layer is ZnSnOx, and the material of the eighth dielectric layer is zinc oxide and tin oxide.

[0059] The temperable blue-gray triple-silver energy-saving glass in the embodiment of the present invention includes a ninth dielectric layer, the ninth dielectric layer is ZnAlOx, and the material of the ninth dielectric layer is zinc oxide and aluminum oxide.

[0060] The temperable blue-gray triple-silver energy-saving glass in the embodiment of the present invention includes a third functional layer, the third functional layer is Ag, and the material of the third functional layer is metallic silver.

[0061] The temperable blue-gray triple-silver energy-saving glass in the embodiment of the present invention includes a third protective layer, the third protective layer is NiCr, and the material of the third protective layer is a metal nickel and chromium alloy.

[0062] The temperable blue-gray triple-silver energy-saving glass in the embodiment of the present invention includes a tenth dielectric layer, the tenth dielectric layer is AZO, and the material of the tenth dielectric layer is aluminum oxide.

[0063] The temperable blue-gray triple-silver energy-saving glass in the embodiment of the present invention includes an eleventh dielectric layer. The eleventh dielectric layer is SiNx, and the material of the eleventh dielectric layer is silicon nitride.

[0064] As a further solution of the present invention, the film thickness of the first functional layer is 11.8 nanometers, the film thickness of the second functional layer is 13.0 nanometers, and the film thickness of the third functional layer is 18.2 nanometers.

[0065] As a further solution of the present invention, the film thickness of the first protective layer is 0.8 nanometers, the film thickness of the second protective layer is 3.3 nanometers, and the film thickness of the third protective layer is 0.3 nanometers.

[0066] As a further scheme of the present invention, the film thickness of the first dielectric layer is 8.0 nanometers, the film thickness of the second dielectric layer is 26.0 nanometers, the film thickness of the third dielectric layer is 8.0 nanometers, the film thickness of the fourth dielectric layer is 5.0 nanometers, the film thickness of the fifth dielectric layer is 50.0 nanometers, the film thickness of the sixth dielectric layer is 8.0 nanometers, the film thickness of the seventh dielectric layer is 5.0 nanometers, the film thickness of the eighth dielectric layer is 70.0 nanometers, the film thickness of the ninth dielectric layer is 8.0 nanometers, the film thickness of the tenth dielectric layer is 5.0 nanometers, and the film thickness of the eleventh dielectric layer is 31.3 nanometers.

[0067] As a further solution of the present invention, the film thickness of the first absorption layer is 0.8 nanometers.

[0068] As a further solution of the present invention, the color of the glass surface changes slightly before and after tempering, so that the glass surface after tempering is blue-gray.

[0069] Table 1 shows the color values ​​of the temperable blue-gray high-performance triple-silver energy-saving glass before and after tempering in an embodiment of the present invention:

[0070] Table 1

[0071]

[0072]

[0073] Y value, L value, a value and b value are standard values ​​in color space, and are often used to describe different aspects of color. Specifically, "Y" represents brightness, that is, the brightness of light reflected or transmitted by glass, and the larger the value, the brighter it is; "L" is the brightness expressed in Lab color space, ranging from 0 (pure black) to 100 (pure white), and the higher the value, the closer to white; "a" represents red and green tones, and a positive value is redder, and a negative value is greener; "b" represents yellow and blue tones, and b values ​​are yellower when positive, and bluer when negative.

[0074] As can be seen from the table, the color changes of glass in different environments are different before and after tempering.

[0075] Taking the outdoor environment as an example, before tempering, the Y value of the glass is 16.5, the L value is 47.6, the a value is 1.2, and the b value is -7.8, which means that the light reflected by the glass is not too bright (low Y value), the brightness is medium (L value is close to 50), a little reddish (small positive a value) and obviously blue (large negative b value); after tempering, the Y value is still 16.5, the L value rises slightly to 47.8, the a value changes to -0.4, and the b value changes to -9.1, indicating that the brightness is almost unchanged, the brightness increases slightly, the color changes from reddish to greenish, and the blue is deeper. The data shows that the temperable blue-gray triple-silver energy-saving glass is slightly reddish and slightly blue before tempering (a=1.2, b=-7.8) in the outdoor environment, and slightly green and blue after tempering (a=-0.4, b=-9.1), but the Y value remains unchanged (16.5), indicating that the brightness is stable, the color is only slightly adjusted, and it is still blue-gray.

[0076] In the indoor environment, before tempering, the Y value is 5.6, the L value is 28.4, the a value is -4.6, and the b value is -18.7, indicating that the light is very dark (low Y value), the brightness is low (small L value), and it is greenish and strongly blueish; after tempering, the Y value rises to 15.7, the L value is 46.5, the a value is -12.1, and the b value is -8.2, indicating that the light brightness and brightness are significantly improved, the green is more obvious, and the blue is weakened. This embodiment proves that the temperable blue-gray triple-silver energy-saving glass is dark green and dark blue (Y=5.6, a=-4.6, b=-18.7) before tempering in the indoor environment, and becomes brighter, greener and less blue (Y=15.7, a=-12.1, b=-8.2) after tempering. The change is large but does not affect the blue-gray color of the outer surface.

[0077] When passing through glass, the Y value of the glass before tempering is 34.5, the L value is 65.4, the a value is -6.8, and the b value is -8.3, indicating that the transmitted light has a higher brightness and presents green and blue tones; after tempering, the Y value increases to 46.0, the L value is 72.1, the a value is -4.3, and the b value is -1.2, indicating that the brightness of the transmitted light is further improved, and the green and blue tones are lighter. This embodiment shows that the temperable blue-gray triple-silver energy-saving glass is green-blue (a=-6.8, b=-8.3) before tempering, and the green-blue becomes lighter (a=-4.3, b=-1.2) after tempering, and the light transmission is brighter, but the surface color is not affected.

[0078] At an outdoor angle of 55°, the Y value of the tempered glass before tempering is 18.2, the L value is 49.7, the a value is -0.8, and the b value is -3.5, indicating that the reflected light brightness is moderate, and the hue is slightly green and slightly blue; after tempering, the Y value slightly drops to 18.1, the L value is 49.6, the a value is -1.1, and the b value is -5.4, indicating that the brightness and lightness are almost unchanged, and the green and blue tones are slightly deepened. The data shows that the temperable blue-gray triple-silver energy-saving glass has little change before and after tempering at an outdoor angle of 55°, and the angle color is stable.

[0079] The above data respectively characterize the optical properties of glass in outdoor reflection (i.e., the color of the outer surface of the glass under natural light), indoor reflection (i.e., the color of the inner surface of the glass under indoor lighting), transmitted light (i.e., the color of the light transmitted through the glass), and reflection at a specific angle (i.e., the color of the outer surface of the glass observed from a 55° angle). The tempering process is a strengthening process in which the glass is heated at high temperature and then rapidly cooled, which may affect the optical properties of the film layer. However, in this embodiment, the color parameters of outdoor reflection and 55° angle reflection change very little. For example, the outdoor Y value remains unchanged at 16.5, the L value only slightly increases from 47.6 to 47.8, the a value changes from 1.2 to -0.4, and the b value changes from -7.8 to -9.1; the 55° angle Y value slightly decreases from 18.2 to 18.1, and the L value slightly decreases from 49.7 to 49.6. The changes in the a value and b value are also within 1 unit. This slight change shows that the color stability of the glass surface before and after tempering is relatively high. After tempering, the glass surface forms a cool blue-gray appearance, which meets the requirements of building curtain walls for aesthetics and energy saving.

[0080] The temperable blue-gray high-performance triple-silver energy-saving glass in the embodiment of the present invention is coated on a 6 mm glass and tempered in a single piece, and the glass surface is blue-gray, the visible light reflectivity is 16.5%, the transmittance is 46%, and the surface resistance is 0.8 ohms.

[0081] The temperable blue-gray high-performance triple-silver energy-saving glass in the embodiment of the present invention is combined with a 6 mm white glass original sheet to form a hollow glass. The gas partition in the middle of the hollow glass is 12 mm. The national standard for the shading coefficient of the hollow glass is 0.25, and the national standard for the light-to-heat ratio is 2.0.

[0082] Example 2

[0083] A method for preparing a tempered blue-gray triple-silver energy-saving glass in an embodiment of the present invention comprises the following steps:

[0084] A cleaned glass substrate is provided, wherein the film layer thickness of the glass substrate is 6 mm.

[0085] The first dielectric layer made of silicon nitride is plated on the glass substrate by using a vacuum magnetron sputtering coating process, and the film thickness of the first dielectric layer is 8.0 nm.

[0086] The first absorption layer made of metal nickel and chromium alloy is plated on the first dielectric layer by using a vacuum magnetron sputtering coating process, and the film thickness of the first absorption layer is 0.8 nm.

[0087] The second dielectric layer made of silicon nitride is deposited on the first absorption layer by using a vacuum magnetron sputtering coating process, and the film thickness of the second dielectric layer is 26.0 nm.

[0088] The third dielectric layer made of zinc oxide and aluminum oxide is plated on the second dielectric layer by using a vacuum magnetron sputtering coating process, and the film thickness of the third dielectric layer is 8.0 nm.

[0089] The first functional layer made of metallic silver is plated on the third dielectric layer by using a vacuum magnetron sputtering coating process, and the film thickness of the first functional layer is 11.8 nm.

[0090] The first protective layer made of metal nickel and chromium alloy is plated on the first functional layer by using a vacuum magnetron sputtering coating process, and the film thickness of the first protective layer is 0.8 nm.

[0091] The fourth dielectric layer made of aluminum oxide is plated on the first protective layer by using a vacuum magnetron sputtering coating process, and the film thickness of the fourth dielectric layer is 5.0 nm.

[0092] The fifth dielectric layer made of zinc oxide and tin oxide is plated on the fourth dielectric layer by using a vacuum magnetron sputtering coating process, and the film thickness of the fifth dielectric layer is 50.0 nm.

[0093] The sixth dielectric layer made of zinc oxide and aluminum oxide is plated on the fifth dielectric layer by using a vacuum magnetron sputtering coating process, and the film thickness of the sixth dielectric layer is 8.0 nm.

[0094] The second functional layer made of metallic silver is plated on the sixth dielectric layer by using a vacuum magnetron sputtering coating process, and the film thickness of the second functional layer is 13.0 nm.

[0095] The second protective layer made of metal nickel and chromium alloy is plated on the second functional layer by using a vacuum magnetron sputtering coating process, and the film thickness of the second protective layer is 3.3 nm.

[0096] The seventh dielectric layer made of aluminum oxide is plated on the second protective layer by using a vacuum magnetron sputtering coating process, and the film thickness of the seventh dielectric layer is 5.0 nm.

[0097] The eighth dielectric layer made of zinc oxide and tin oxide is plated on the seventh dielectric layer by using a vacuum magnetron sputtering coating process, and the film thickness of the eighth dielectric layer is 70.0 nm.

[0098] The ninth dielectric layer made of zinc oxide and aluminum oxide is plated on the eighth dielectric layer by using a vacuum magnetron sputtering coating process, and the film thickness of the ninth dielectric layer is 8.0 nm.

[0099] The third functional layer made of metallic silver is plated on the ninth dielectric layer by using a vacuum magnetron sputtering coating process, and the film thickness of the third functional layer is 18.2 nm.

[0100] The third protective layer made of metal nickel and chromium alloy is plated on the third functional layer by a vacuum magnetron sputtering coating process, and the film thickness of the third protective layer is 0.3 nm.

[0101] The tenth dielectric layer made of aluminum oxide is plated on the third protective layer by using a vacuum magnetron sputtering coating process, and the film thickness of the tenth dielectric layer is 5.0 nm.

[0102] The eleventh dielectric layer made of silicon nitride is plated on the tenth dielectric layer by using a vacuum magnetron sputtering coating process, and the film thickness of the eleventh dielectric layer is 31.3 nm.

[0103] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

[0104] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A temperable blue-gray triple-silver energy-saving glass, comprising a glass substrate, characterized in that: Eighteen composite film layers are sequentially arranged on the glass substrate, including three functional layers of silver, three protective layers of nickel-chromium alloy, one absorption layer of nickel-chromium alloy, and eleven dielectric layers; the preparation method is to coat the film using a vacuum coating machine, and the coating sequence from the glass substrate upward is: the first dielectric layer, the first absorption layer, the second dielectric layer, the third dielectric layer, the first functional layer, the first protective layer, the fourth dielectric layer, the fifth dielectric layer, the sixth dielectric layer, the second functional layer, the second protective layer, the seventh dielectric layer, the eighth dielectric layer, the ninth dielectric layer, the third functional layer, the third protective layer, the tenth dielectric layer, and the eleventh dielectric layer.

2. The temperable blue-gray triple-silver energy-saving glass according to claim 1, characterized in that: The dielectric layer materials are silicon nitride, zinc aluminum oxide, zinc tin oxide, and aluminum oxide; the first dielectric layer is SiNx, the second dielectric layer is SiNx, the third dielectric layer is ZnAlOx, the fourth dielectric layer is AZO, the fifth dielectric layer is ZnSnOx, the sixth dielectric layer is ZnAlOx, the seventh dielectric layer is AZO, the eighth dielectric layer is ZnSnOx, the ninth dielectric layer is ZnAlOx, the tenth dielectric layer is AZO, and the eleventh dielectric layer is SiNx.

3. The temperable blue-gray triple-silver energy-saving glass according to claim 2, characterized in that: The film thickness of the second dielectric layer is greater than 25 nanometers.

4. The temperable blue-gray triple-silver energy-saving glass according to claim 1, characterized in that: The first dielectric layer is SiNx, the first absorption layer is NiCr, the first functional layer is Ag, the first protective layer is NiCr, the fourth dielectric layer is AZO, the second functional layer is Ag, the second protective layer is NiCr, the third functional layer is Ag, and the third protective layer is NiCr.

5. The temperable blue-gray triple-silver energy-saving glass according to claim 2, characterized in that: The material of the first dielectric layer is silicon nitride; the material of the first absorption layer is metal nickel and chromium alloy; the material of the second dielectric layer is silicon nitride; the material of the third dielectric layer is zinc oxide and aluminum oxide; the material of the fourth dielectric layer is aluminum oxide; the material of the fifth dielectric layer is zinc oxide and tin oxide; the material of the sixth dielectric layer is zinc oxide and aluminum oxide; the material of the seventh dielectric layer is aluminum oxide; the material of the eighth dielectric layer is zinc oxide and tin oxide; the material of the ninth dielectric layer is zinc oxide and aluminum oxide; the material of the tenth dielectric layer is aluminum oxide; and the material of the eleventh dielectric layer is silicon nitride.

6. The temperable blue-gray triple-silver energy-saving glass according to claim 1, characterized in that: The thickness of the first functional layer is 11.8 nanometers, the thickness of the second functional layer is 13.0 nanometers, and the thickness of the third functional layer is 18.2 nanometers.

7. The temperable blue-gray triple-silver energy-saving glass according to claim 1, characterized in that: The thickness of the first protective layer is 0.8 nanometers, the thickness of the second protective layer is 3.3 nanometers, and the thickness of the third protective layer is 0.3 nanometers.

8. The temperable blue-gray triple-silver energy-saving glass according to claim 1, characterized in that: The film thickness of the first dielectric layer is 8.0 nanometers, the film thickness of the second dielectric layer is 26.0 nanometers, the film thickness of the third dielectric layer is 8.0 nanometers, the film thickness of the fourth dielectric layer is 5.0 nanometers, the film thickness of the fifth dielectric layer is 50.0 nanometers, the film thickness of the sixth dielectric layer is 8.0 nanometers, the film thickness of the seventh dielectric layer is 5.0 nanometers, the film thickness of the eighth dielectric layer is 70.0 nanometers, the film thickness of the ninth dielectric layer is 8.0 nanometers, the film thickness of the tenth dielectric layer is 5.0 nanometers, and the film thickness of the eleventh dielectric layer is 31.3 nanometers.

9. The temperable blue-gray triple-silver energy-saving glass according to claim 1, characterized in that: The film thickness of the first absorption layer is 0.8 nanometers.

10. The temperable blue-gray triple-silver energy-saving glass according to claim 1, characterized in that: The coating is carried out using a vacuum magnetron sputtering coating process.

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