Sapphire Thin-film on Glass

A patented process to deposit an ultra-thin layer of sapphire onto a softer rigid substrate;

  • Sapphire is second hardest known material (Mohs 9) and therefore cannot easily scratch. However it is denser than most commonly used materials such as glass and too brittle to process, so using it as cover glass in mobile devices such as mobile phone is not appropriate.
  • Our invention is the technology to deposit an ultra-thin layer of sapphire onto a softer substrate, such as quartz and chemically strengthened glass. It has received the Grand Prix in 2016 Geneva International Invention Exhibition.

Characteristics:

  1. Surface hardness upto Mohs 8.5
  2. Combine glass elastic & sapphire hard properties
  3. High transmission range: 89% – 92%
  4. Standard industrial production process
  5. Manufacturing cost effective

Application:

  • Mobile Phone, Pad, Watch, Computer, 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.