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Improved high-reflection mirror coating

A mirror coating and high-reflection technology, applied in mirrors, instruments, optics, etc., can solve the problems of high investment cost, low productivity of coating tools, etc., and achieve the effect of cost reduction

Pending Publication Date: 2022-06-24
福建新越金属材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, judging from the estimated coating products in the information disclosed in their patent documents, they all require low productivity or high investment costs for coating tools

Method used

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  • Improved high-reflection mirror coating
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Examples

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example 1

[0040] Composite layer L10:

[0041] L11 Al 25nm

[0042] L12 AZO (Aluminum Doped Zinc Oxide) 5nm

[0043] L13 NiCr 5nm

[0044] L14 Ag 30nm

[0045] Highly reflective mirror coating:

[0046] L40 TiOx 30nm

[0047] L30 SiOx 60nm

[0048] L20 (NiCr:SiAl)Nx 2nm

[0049] L10 Al-Ag composite film structure 65nm

[0050] SF anodized aluminum 1000-1300nm

[0051] S0 Common aluminum 1085 alloy

[0052] The measurement of the total visible light reflectance R_vis is based on the ISO 6719:2010 standard and the joint ISO / CIE standard, ISO 10526:1999 / CIE S005 / E-1998 (CIE standard illuminant for quantitative analysis of chromaticity) and D65 light source 2° Observer angle.

[0053] After coating (not tested) 97.6%

[0054] 180°C, 97.6% after 168 hours high temperature baking

[0055] 97.7% after exposure to 85℃, 85% r.H.* environment for 168 hours

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Abstract

The invention relates to an improved high-reflection mirror coating which comprises a high-refractive-index layer, a low-refractive-index layer, an auxiliary layer and at least one composite layer which are sequentially arranged, and the auxiliary layer is used for diffusion blocking and adhesion promotion of high-reflection metal materials. And the high-reflection mirror surface coating is coated on the film-coated surface of the metal base material. The composite layer is located between the auxiliary layer and the metal substrate. The composite layer comprises a silver coating, an ultrathin coating, a middle layer and an aluminum coating which are sequentially arranged, the middle layer is made of zinc oxide or metal-doped zinc oxide materials, and the ultrathin coating is made of chromium, chromium alloy, nickel, nickel alloy and / or nickel-chromium alloy materials. When at least two composite layers are arranged, the composite layers are stacked one by one. By means of the structure, the high-reflection mirror surface coating is more economical in cost, has the highest reflectivity, and is stable under the high-temperature condition as high as 180 DEG C or even higher and stable in the humid environment.

Description

technical field [0001] The invention relates to the field of light reflection coatings, in particular to an improved high reflection mirror coating. Background technique [0002] Highly reflective mirror coatings, especially mirror coatings with very high reflectivity in the wavelength range of 400nm to 2500nm, are widely used in lighting engineering, equipment applications (such as: flashlights, projectors, solar energy collection and decorative applications), its Emerging market requirements are applications in concentrated solar power (CSP) and as back reflectors for LEDs in MC-COB modules. [0003] Existing highly reflective mirror coatings are widely used in the form of highly reflective metal coatings such as aluminum or silver on metallic substrates; silver has the highest reflectivity of any metal in the wavelength range of interest. ), with low refractive index layer, high refractive index layer, etc. However, the high-reflection mirror coating of this structure, ...

Claims

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Application Information

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IPC IPC(8): G02B5/08
CPCG02B5/0858
Inventor 马丁·森斯眭凌杰孙伟明吴景权张燕华
Owner 福建新越金属材料科技有限公司
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