Antireflection coating plated on infrared glass and preparation method thereof

A technology of infrared glass and anti-reflection coating, which is applied in sputtering coating, ion implantation coating, vacuum evaporation coating, etc., can solve the problems of high reflectivity and difficult adhesion of germanium selenium arsenic infrared glass, and achieve anti-shedding Good performance, good scratch resistance, high anti-reflection effect

Inactive Publication Date: 2016-08-31
NANJING WAVELENGTH OPTO ELECTRONICS SCI & TECH CO LTD +1
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Problems solved by technology

[0002] DLC film Diamond-Like-Carbon (DLC) is an amorphous carbon film with good scratch resistance, so coating the DLC film on the surface of germanium-selenium-arsenic infrared glass can effectively increase the Wear resistance of infrared glass, but simply coating DLC ​​film on the surface of GeSeAs infrared glass will lead to high reflectivity of GeSeAs infrared glass, and there is a problem of coating DLC ​​film on GeSeAs infrared glass Surface Adhesion Problems

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  • Antireflection coating plated on infrared glass and preparation method thereof
  • Antireflection coating plated on infrared glass and preparation method thereof

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[0020] Such as figure 1 As shown, the present invention discloses an anti-reflection film coated on infrared glass, comprising a DLC film layer 1 and an adhesive layer 2, the DLC film layer 1 is bonded on the infrared glass substrate 3 through the adhesive layer 2, and the adhesive The bonding layer 2 includes a first ZnSe layer 21, a first Ge layer 22, a second ZnSe layer 23, a second Ge layer 24, a third ZnSe layer 25 and a third Ge layer 26 arranged alternately in sequence, and the first ZnSe layer 21 is located at Between the infrared glass substrate 3 and the first Ge layer 22 , the third Ge layer 26 is located between the third ZnSe layer 25 and the DLC film layer 1 .

[0021] The total thickness of the DLC film layer 1 and the adhesive layer 2 is between 8-12 microns.

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Abstract

The invention relates to the technical field of coating, and particularly relates to an antireflection coating plated on infrared glass, which comprises a DLC (Diamond-Like-Carbon) film layer and a bonding layer, wherein the DLC film layer is bonded on an infrared glass substrate via the bonding layer; the bonding layer comprises a first ZnSe layer, a first Ge layer, a second ZnSe layer, a second Ge layer, a third ZnSe layer and a third Ge layer arranged alternatively in sequence. The single-face average reflectivity of the antireflection coating plated on the infrared glass is smaller than 1.5%, the thickness is small, and the antireflection performance is high; and the problem of adhesion strength of plating the DLC film on the infrared glass is solved, the final obtained infrared glass has good scraping-resisting performance, and the service life of the infrared glass is effectively prolonged.

Description

technical field [0001] The invention relates to the field of coating technology, in particular to an anti-reflection coating coated on infrared glass and a preparation method thereof. Background technique [0002] DLC film Diamond-Like-Carbon (DLC) is an amorphous carbon film with good scratch resistance, so coating the DLC film on the surface of germanium-selenium-arsenic infrared glass can effectively increase the Wear resistance of infrared glass, but simply coating DLC ​​film on the surface of GeSeAs infrared glass will lead to high reflectivity of GeSeAs infrared glass, and there is a problem of coating DLC ​​film on GeSeAs infrared glass Surface adhesion problems. Contents of the invention [0003] The purpose of the present invention is to overcome the defects in the prior art, and provide an anti-reflection coating with a single-sided reflectance of infrared glass less than 1.5% and a preparation method thereof. [0004] The technical solution for realizing the p...

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Application Information

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IPC IPC(8): G02B1/11G02B1/14C23C14/02C23C14/06
CPCC23C14/024C23C14/0611G02B1/115G02B1/14
Inventor 李全民吴玉堂朱敏黄胜弟王国力
Owner NANJING WAVELENGTH OPTO ELECTRONICS SCI & TECH CO LTD
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