Anti-reflection Sapphire Coating

A multilayer deposition ended with an ultra-thin layer of sapphire on rigid or flexible substrate;

With the requirement of photo quality getting higher and higher, the anti-reflection (AR) layer has to be added on sapphire lens cover to improve their optical transmission. However, most of the anti-reflection materials exhibit a soft surface property, which is easily scratched and abrazed in the daily use.

Our anti-reflection sapphire coating technology is a multilayer deposition ended with an ultra-thin layer of sapphire. The surface hardness can be achieving upto 7 Mohs Scale.

Characteristics :

1)Surface hardness upto Mohs 7

2)In single side deposition, optical transmission is enhanced with;

~2.7% on Glass (n =1.5); Transmittance = 93.7%.

~4.6% on Sapphire (n =1.7); Transmittance = 91%

3)Standard industrial production process

 

 

Application:

Camera cover, Lens, Glasses, etc.

 

 

Our Patents

1) U.S. Patent Number: US 9,695,501 B1; Jul 4, 2017.

2) U.S. Patent Number: US 2016/0024639 A1, Jan 28, 2016.

3) PCT Patent Application Number: PCT/CN2015/089413, Sept 11, 2015.

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