Golden transparent coated glass

Abstract

The utility model discloses golden transparent coated glass in the technical field of glass magnetron sputtering coating, which comprises a glass substrate and a coating layer, the coating layer is sequentially compounded with a first film layer, a second film layer, a third film layer, a fourth film layer, a fifth film layer, a sixth film layer and a seventh film layer from the glass substrate to the outside, the first film layer is a silicon nitride layer, and the seventh film layer is a silicon nitride layer. The first film layer is a silicon oxide layer, the second film layer is a silicon nitride layer, the third film layer is a silicon nitride layer, the fourth film layer is a silicon oxide layer, the fifth film layer is a silicon nitride layer, the sixth film layer is a silicon oxide layer, and the seventh film layer is a silicon nitride layer. The film layer is blue when observed from a high light source side, has relatively high chemical stability and thermal stability, and can be tempered and used in a single sheet.

Description

Technical Field

[0001] The utility model relates to the technical field of glass magnetron sputtering coating, in particular to a golden transparent coated glass. Background Art

[0002] The continuous development of architectural aesthetics has put forward higher and higher requirements for architectural glass, which requires it to have appropriate lighting function and good sight shielding effect, as well as certain energy saving and colorful and beautiful decorative effect. Ordinary transparent glass or tinted glass obviously cannot meet these requirements. At present, we only use traditional methods to debug and cannot match colorful decorative products, and the market feedback is not ideal. If we break the traditional process mode, we will definitely produce products that better match the market, thereby bringing new profit growth points, enhancing the company's market competitiveness, and enriching the color system of high-transmittance glass products.

[0003] The present invention aims to solve the problem that coated glass has high light transmittance and golden light transmission color by cross-stacking high refractive index materials and low refractive index materials and matching the thickness ratio between film layers.

[0004] Based on this, the utility model designs a golden transparent coated glass to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a golden transparent coated glass to solve the problem proposed in the above background technology that the coated glass has high light transmittance and golden light transmission color through cross stacking of high refractive index materials and low refractive index materials and thickness ratio between film layers.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a golden transparent coated glass, comprising a glass substrate and a coating layer, wherein the coating layer is compounded with a first film layer, a second film layer, a third film layer, a fourth film layer, a fifth film layer, a sixth film layer and a seventh film layer in sequence from the glass substrate to the outside, wherein the first film layer is set as a silicon nitride layer, and the coating thickness of the first film layer is 30nm to 60nm, the second film layer is set as a silicon oxide layer, and the coating thickness of the second film layer is 25nm to 45nm, and the third film layer is set as a silicon oxide layer, and the coating thickness of the second film layer is 25nm to 45nm. The film layer is set to a silicon nitride layer, and the third film layer has a coating thickness of 30nm to 50nm. The fourth film layer is set to a silicon oxide layer, and the fourth film layer has a coating thickness of 30nm to 40nm. The fifth film layer is set to a silicon nitride layer, and the fifth film layer has a coating thickness of 35nm to 45nm. The sixth film layer is set to a silicon oxide layer, and the sixth film layer has a coating thickness of 60nm to 80nm. The seventh film layer is set to a silicon nitride layer, and the seventh film layer has a coating thickness of 25nm to 45nm.

[0007] Preferably, the sum of the thicknesses of the first film layer, the second film layer, the third film layer, the fourth film layer, the fifth film layer, the sixth film layer and the seventh film layer is not less than 290 nm and not greater than 320 nm.

[0008] A method for preparing the golden transparent coated glass, the preparation method comprising the following steps: performing vacuum magnetron sputtering on the surface of a glass substrate using a target material under a vacuum environment, and sputtering in sequence to form a first film layer, a second film layer, a third film layer, a fourth film layer, a fifth film layer, a sixth film layer and a seventh film layer;

[0009] 1) Magnetron sputtering coating layer;

[0010] A. Magnetron sputtering first film layer:

[0011] Target quantity: 2 AC rotating targets; target configuration is silicon aluminum (SiAl); process gas ratio: argon and nitrogen, the ratio of argon and nitrogen is 1:1.4; sputtering gas pressure is 3~6X10-3mbar;

[0012] B. Magnetron sputtering second film layer:

[0013] Target quantity: 2 AC rotating targets; target configuration is silicon aluminum (SiAl); process gas ratio: argon and oxygen, the ratio of argon and oxygen is 1:1; sputtering gas pressure is 3~4X10-3mbar;

[0014] C. Magnetron sputtering third film layer:

[0015] Target quantity: 2 AC rotating targets; target configuration is silicon aluminum (SiAl); process gas ratio: argon and nitrogen, the ratio of argon and nitrogen is 1:1.4; sputtering gas pressure is 3~6X10-3mbar;

[0016] D. Magnetron sputtering fourth film layer:

[0017] Target quantity: 2 AC rotating targets; target configuration is silicon aluminum (SiAl); process gas ratio: argon and oxygen, the ratio of argon and oxygen is 1:1; sputtering gas pressure is 3~4X10-3mbar;

[0018] E. Magnetron sputtering fifth film layer:

[0019] Target quantity: 2 AC rotating targets; target configuration is silicon aluminum (SiAl); process gas ratio: argon and nitrogen, the ratio of argon and nitrogen is 1:1.4; sputtering gas pressure is 3~6X10-3mbar;

[0020] F. Magnetron sputtering sixth film layer:

[0021] Number of targets: 6 AC rotating targets; target configuration is silicon aluminum (SiAl); process gas ratio: argon and oxygen, the ratio of argon and oxygen is 1:1; sputtering gas pressure is 3~4X10-3mbar;

[0022] G. Magnetron sputtering seventh film layer:

[0023] Target quantity: 1 AC rotating target; target configuration is silicon aluminum (SiAl); process gas ratio: argon and nitrogen, the ratio of argon and nitrogen is 1:1.4; sputtering gas pressure is 3~6X10-3mbar;

[0024] Preferably, the transmission speed of the sputtering chamber is controlled at 2m / min.

[0025] Compared with the prior art, the utility model has the following beneficial effects: in the coated glass, the second film layer, the fourth film layer and the sixth film layer are set as silicon oxide layers with low refractive index, and the first film layer, the third film layer, the fifth film layer and the seventh film layer are set as silicon nitride layers with high refractive index, and the transmittance color of the coated glass is made golden by matching the thickness between the film layers. Specifically, the visible light transmittance color of a single piece of a 6mm product is T∈[80,85], a*∈[1,-3], b*∈[45,55]; The visible light glass surface reflection color Lg∈[44, 46], a*∈[0, 5], b*∈[-45, -55]; the visible light film surface reflection color Lf∈[45, 46], a*∈[0, 5], b*∈[-45, -55]; the coated glass has a visible light transmittance of more than 80%, appears golden when observed from the low light source side, and appears blue when observed from the high light source side, the film layer has high chemical stability and thermal stability, can be tempered and can be used as a single piece. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 It is a schematic diagram of the layered structure of the coated glass.

[0028] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0029] 1-first film layer, 2-second film layer, 3-third film layer, 4-fourth film layer, 5-fifth film layer, 6-sixth film layer, 7-seventh film layer. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1 The utility model provides a technical solution: a golden transparent coated glass, comprising a glass substrate and a coating layer, wherein the coating layer is compounded with a first film layer, a second film layer, a third film layer, a fourth film layer, a fifth film layer, a sixth film layer and a seventh film layer in sequence from the glass substrate to the outside, wherein the first film layer 1 is set as a silicon nitride layer, and the coating thickness of the first film layer 1 is 30nm to 60nm, the second film layer 2 is set as a silicon oxide layer, and the coating thickness of the second film layer 2 is 25nm to 45nm, and the third film layer 3 is set as silicon nitride layer, the third film layer 3 is coated with a thickness of 30nm to 50nm, the fourth film layer 4 is set to a silicon oxide layer, the fourth film layer 4 is coated with a thickness of 30nm to 40nm, the fifth film layer 5 is set to a silicon nitride layer, the fifth film layer 5 is coated with a thickness of 35nm to 45nm, the sixth film layer 6 is set to a silicon oxide layer, the sixth film layer 6 is coated with a thickness of 60nm to 80nm, the seventh film layer 7 is set to a silicon nitride layer, and the seventh film layer 7 is coated with a thickness of 25nm to 45nm.

[0032] Wherein, the sum of the thicknesses of the first film layer, the second film layer, the third film layer, the fourth film layer, the fifth film layer, the sixth film layer and the seventh film layer is not less than 290 nm and not greater than 320 nm.

[0033] In the coated glass, the second film layer 2, the fourth film layer 4 and the sixth film layer 6 are set as low-refractive-index silicon oxide layers, and the first film layer 1, the third film layer 3, the fifth film layer 5 and the seventh film layer 7 are set as high-refractive-index silicon nitride layers. By matching the thickness between the film layers, the transmittance color of the coated glass becomes golden. Specifically, the visible light transmittance color of a single piece of a 6mm product is T∈[80,85], a*∈[1,-3], b*∈[45,55]; the visible light glass surface Reflection color Lg∈[44, 46], a*∈[0, 5], b*∈[-45, -55]; visible light film surface reflection color Lf∈[45, 46], a*∈[0, 5], b*∈[-45, -55]; the coated glass has a visible light transmittance of more than 80%, appears golden when observed from the low light source side, and appears blue when observed from the high light source side, the film layer has high chemical and thermal stability, can be tempered and can be used as a single piece.

[0034] A method for preparing the golden transparent coated glass, the preparation method comprising the following steps: performing vacuum magnetron sputtering on the surface of a glass substrate using a target material under a vacuum environment, and sputtering in sequence to form a first film layer, a second film layer, a third film layer, a fourth film layer, a fifth film layer, a sixth film layer and a seventh film layer;

[0035] 1) Magnetron sputtering coating layer;

[0036] A. Magnetron sputtering first film layer:

[0037] Target quantity: 2 AC rotating targets; target configuration is silicon aluminum (SiAl); process gas ratio: argon and nitrogen, the ratio of argon and nitrogen is 1:1.4; sputtering gas pressure is 3~6X10-3mbar;

[0038] B. Magnetron sputtering second film layer:

[0039] Target quantity: 2 AC rotating targets; target configuration is silicon aluminum (SiAl); process gas ratio: argon and oxygen, the ratio of argon and oxygen is 1:1; sputtering gas pressure is 3~4X10-3mbar;

[0040] C. Magnetron sputtering third film layer:

[0041] Target quantity: 2 AC rotating targets; target configuration is silicon aluminum (SiAl); process gas ratio: argon and nitrogen, the ratio of argon and nitrogen is 1:1.4; sputtering gas pressure is 3~6X10-3mbar;

[0042] D. Magnetron sputtering fourth film layer:

[0043] Target quantity: 2 AC rotating targets; target configuration is silicon aluminum (SiAl); process gas ratio: argon and oxygen, the ratio of argon and oxygen is 1:1; sputtering gas pressure is 3~4X10-3mbar;

[0044] E. Magnetron sputtering fifth film layer:

[0045] Target quantity: 2 AC rotating targets; target configuration is silicon aluminum (SiAl); process gas ratio: argon and nitrogen, the ratio of argon and nitrogen is 1:1.4; sputtering gas pressure is 3~6X10-3mbar;

[0046] F. Magnetron sputtering sixth film layer:

[0047] Number of targets: 6 AC rotating targets; target configuration is silicon aluminum (SiAl); process gas ratio: argon and oxygen, the ratio of argon and oxygen is 1:1; sputtering gas pressure is 3~4X10-3mbar;

[0048] G. Magnetron sputtering seventh film layer:

[0049] Target quantity: 1 AC rotating target; target configuration is silicon aluminum (SiAl); process gas ratio: argon and nitrogen, the ratio of argon and nitrogen is 1:1.4; sputtering gas pressure is 3~6X10-3mbar;

[0050] The transmission speed of the sputtering chamber is controlled at 2m / min.

[0051] The glass substrate is float glass with a thickness of 3 to 12 mm.

[0052] Examples 1-4

[0053] A golden transparent coated glass and a preparation method thereof, comprising the following steps:

[0054] A: Select a glass substrate and cut it into the predetermined size using a cutting machine, with the air side of the substrate facing upwards, and clean it with a cleaning machine and use an air knife to blow dry the moisture;

[0055] B: Send the cleaned substrate into the vacuum magnetron sputtering chamber and sputter each coating layer in sequence. The specific parameters are shown in Table 1

[0056] Table 1

[0057]

[0058]

[0059] The optical properties of the glasses obtained in the above examples 1-4 were measured, and the test results are shown in Table 2:

[0060] Table 2

[0061]

[0062]

[0063] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0064] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A golden transparent coated glass, comprising a glass substrate and a coating layer, characterized in that: The coating layer is compounded with a first film layer, a second film layer, a third film layer, a fourth film layer, a fifth film layer, a sixth film layer and a seventh film layer in order from the glass substrate to the outside, the first film layer (1) is set as a silicon nitride layer, the coating thickness of the first film layer (1) is 30nm-60nm, the second film layer (2) is set as a silicon oxide layer, the coating thickness of the second film layer (2) is 25nm-45nm, the third film layer (3) is set as a silicon nitride layer, the coating thickness of the third film layer (3) is 30nm The fourth film layer (4) is configured as a silicon oxide layer, and the coating thickness of the fourth film layer (4) is 30nm to 40nm. The fifth film layer (5) is configured as a silicon nitride layer, and the coating thickness of the fifth film layer (5) is 35nm to 45nm. The sixth film layer (6) is configured as a silicon oxide layer, and the coating thickness of the sixth film layer (6) is 60nm to 80nm. The seventh film layer (7) is configured as a silicon nitride layer, and the coating thickness of the seventh film layer (7) is 25nm to 45nm.

2. The golden transparent coated glass according to claim 1, characterized in that: The sum of the thicknesses of the first film layer, the second film layer, the third film layer, the fourth film layer, the fifth film layer, the sixth film layer and the seventh film layer is not less than 290 nm and not greater than 320 nm.

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