CN104339784A - A lake blue single silver LOW-E glass made of white glass - Google Patents

Abstract

A lake blue single silver LOW-E glass made of white glass comprises a glass substrate, the glass substrate is white float glass, and the upper surface thereof is provided with a TiO _x bottom dielectric layer, a first NiCrOx film layer, an AZO flat layer, an Ag layer, a second NiCrOx film layer, a ZnSnO ₂ dielectric layer, and a Si ₃ N ₄ top dielectric layer in order from bottom to top; the thickness of the first NiCrOx film layer is 1.6 nm, the thickness of the Ag layer is 5.4 nm, and the thickness of the second NiCrOx film layer is 1.1 nm. The invention has a simple structure, low cost, and can present a bright lake blue hue.

Description

A lake blue single silver LOW-E glass made of white glass

Technical field:

The invention relates to a lake water blue single silver LOW-E glass prepared from white glass.

Background technique:

LOW-E glass is a high-end low-emissivity glass, which is a film system product composed of multi-layer metals and other compounds coated on the surface of the glass substrate.

With the development of modern architecture and the improvement of people's aesthetic concept, more and more people pay more and more attention to the coordination between the appearance tone of curtain wall glass and the overall building. Among the many colors, hushuilan represents nobility and elegance. Designers always try to apply hushuilan to the building curtain wall, but the current coating manufacturers can only be limited to the high production cost of hushuilan's solar control film glass.

Therefore, it is necessary to improve the existing single-silver LOW-E glass to provide a lake blue single-silver LOW-E glass with lower cost.

Invention content:

The object of the present invention is to provide a lake-blue single-silver LOW-E glass prepared from white glass, which has a simple structure and low cost, and can present bright lake-blue hues.

A lake water blue single-silver LOW-E glass prepared from white glass, comprising a glass substrate, the glass substrate is white float glass, the upper surface of which is sequentially provided with a TiO _x bottom dielectric layer, a second A NiCrOx film layer, AZO leveling layer, Ag layer, the second NiCrOx film layer, ZnSnO ₂ medium layer, and Si ₃ N ₄ top layer medium layer; The thickness of the first NiCrOx film layer is 1.6nm, the thickness of the Ag layer The thickness is 5.4nm, and the thickness of the second NiCrOx film layer is 1.1nm.

The present invention can be improved by following scheme:

The thickness of the TiO _x bottom dielectric layer is 9nm.

The thickness of the AZO smoothing layer is 5.8nm.

The thickness of the ZnSnO ₂ dielectric layer is 12.6nm.

The thickness of the Si ₃ N ₄ top dielectric layer is 3.5 nm.

The present invention has the following advantages: 1. The present invention is simple in structure, creatively adopts common white float glass as the glass substrate, rationally adjusts the thicknesses of the first NiCrOx film layer, Ag layer and the second NiCrOx film layer, and coats the corresponding film After layering, the appearance effect of bright lake blue is produced. The chromaticity index b ^* can be measured by a colorimeter to reach -18, showing a bright lake blue tone, and the cost is low. 2. It has a lower emissivity than traditional single silver LOW-E glass.

Description of drawings:

Fig. 1 is a cross-sectional view of the structure of the present invention.

Detailed ways:

As shown in the figure, a lake water blue single-silver LOW-E glass made of white glass includes a glass substrate 1, the glass substrate 1 is white float glass, and its upper surface is sequentially arranged from bottom to top. TiO _x bottom dielectric layer 2, first NiCrOx film layer 3, AZO planarization layer 4, Ag layer 5, second NiCrOx film layer 6, ZnSnO ₂ dielectric layer 7, and Si ₃ N ₄ top dielectric layer 8; the first The thickness of the NiCrOx film layer 3 is 1.6 nm, the thickness of the Ag layer 5 is 5.4 nm, and the thickness of the second NiCrOx film layer 6 is 1.1 nm.

Further, the thickness of the TiO _x underlying dielectric layer 2 is 9 nm. It adopts the magnetron sputtering coating process, uses an AC intermediate frequency power supply, uses argon as the sputtering gas, and oxygen as the reactive gas to shoot the ceramic titanium target, and finally forms a TiO _x bottom dielectric layer 2 on the glass substrate 1, wherein the argon oxygen The ratio is (400SCCM～420SCCM):(50SCCM～60SCCM), the argon-oxygen ratio is the core of the film layer, which determines the valence state of the TiO _x formed in the film, x is the valence state of TiO _x provided by this patent, x=1.7～ 2.0. This determines that the refractive index of the TiO _x film layer is between 2.0 and 2.2, which improves the transmittance of the glass substrate.

Furthermore, the first NiCrOx film layer 3 is the core of this patent, which is prepared by magnetron sputtering coating process, sputtering nickel-chromium alloy with DC power supply, using argon as sputtering gas, and doping a small amount of oxygen Formed, wherein, the ratio of argon to oxygen is: (400SCCM～420SCCM):(20～40SCCM), finally forming the first NiCrOx film layer 3, which can improve the wear resistance of the film layer, increase the light transmittance, and improve the resistance to high temperature oxidation during tempering sex.

Still further, the thickness of the AZO smoothing layer 4 is 5.8nm, which is used to smooth the Ag layer 5 . It adopts magnetron sputtering coating process, sputters ceramic Zn (AZO) target with intermediate frequency AC power supply, uses argon as sputtering gas, and mixes a small amount of oxygen. Among them, the ratio of argon to oxygen is: (400SCCM～420SCCM) : (20-40SCCM), AZO leveling layer 4 is finally formed to pave the way for Ag layer 5 and reduce emissivity.

Furthermore, the Ag layer 5 is a functional layer, which is prepared by using a magnetron sputtering coating process, using a DC power supply to sputter a silver target, and using argon as a sputtering gas, with a gas flow rate of 500-550 SCCM, and finally forming Ag layer 5.

Furthermore, the second NiCrOx film layer 6 is the core of this patent, which is prepared by magnetron sputtering coating process, sputtering nickel-chromium alloy with DC power supply, using argon as sputtering gas, and doping a small amount of oxygen Among them, the ratio of argon to oxygen is: (400SCCM ~ 420SCCM): (20 ~ 40SCCM), which can improve the wear resistance of the film layer, increase the light transmittance, and improve the high temperature oxidation resistance during tempering.

Furthermore, the thickness of the ZnSnO ₂ dielectric layer 7 is 12.6nm. It adopts the magnetron sputtering coating process and is prepared by sputtering a ZnSn (mass percentage Zn:Sn=50:50) target with an AC intermediate frequency power supply, argon as the sputtering gas, and oxygen as the reactive gas, wherein the ratio of argon to oxygen is (400SCCM～420SCCM): (450SCCM～500SCCM), the argon-oxygen ratio is the core of the film layer and determines the quality of the film.

Still further, the thickness of the Si ₃ N ₄ top dielectric layer 8 is 3.5 nm. It adopts the magnetron sputtering coating process, and uses AC intermediate frequency power supply, argon as the sputtering gas, and nitrogen as the reactive gas to sputter the silicon-aluminum target (silicon-aluminum mass percentage 92:8), and the argon-nitrogen ratio is (400SCCM～ 420SCCM): (450SCCM～500SCCM), the ratio of argon and nitrogen is the core of the film, which determines the quality of the film.

The invention has a simple structure, creatively uses ordinary white float glass as the glass substrate, rationally adjusts the thicknesses of the first NiCrOx film layer, Ag layer, and second NiCrOx film layer, and after coating the corresponding film layers, it produces brightly colored lake water The blue appearance effect can be measured by a colorimeter, and the color index b ^* can reach -18, showing a bright lake blue hue, and the cost is low. In addition, the present invention has lower emissivity than traditional single silver LOW-E glass.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the implementation scope of the present invention. All equivalent changes and modifications made according to the scope of the patent of the present invention fall within the scope covered by the patent of the present invention.

Claims (5)

1. A lake water blue single silver LOW-E glass prepared from white glass, comprising a glass substrate, characterized in that: the glass substrate is a white float glass, and its upper surface is sequentially provided with TiO from bottom to top _x bottom dielectric layer, first NiCrOx film layer, AZO leveling layer, Ag layer, second NiCrOx film layer, ZnSnO ₂ dielectric layer, and Si ₃ N ₄ top dielectric layer; the thickness of the first NiCrOx film layer is 1.6nm , the thickness of the Ag layer is 5.4nm, and the thickness of the second NiCrOx film layer is 1.1nm. 2 . A lake-blue single-silver LOW-E glass prepared from white glass according to claim 1 , characterized in that: the thickness of the TiO _x bottom dielectric layer is 9 nm. 3 . 3. A lake-blue single-silver LOW-E glass prepared from white glass according to claim 1, characterized in that: the thickness of the AZO smoothing layer is 5.8nm. 4. A lake water blue single-silver LOW-E glass prepared from white glass according to claim 1, characterized in that: the thickness of the ZnSnO ₂ dielectric layer is 12.6nm. 5 . The lake water blue single silver Low-E glass prepared from white glass according to claim 1 , wherein the thickness of the Si ₃ N ₄ top dielectric layer is 3.5 nm.