Title:
SAPPHIRE COATED SUBSTRATE WITH A FLEXIBLE, ANTI-SCRATCH AND MULTI-LAYER COATING
Document Type and Number:
WIPO Patent Application WO/2019/206188
Kind Code:
A1
Abstract:
A method for forming a substrate with a multi-layered, flexible, anti-scratch coating as a protective barrier from the substrate's environment comprising: depositing two layers of different metal oxide, being layer (101) and layer (102), onto the substrate wherein layer (101) of the metal oxide has a thickness ranging from 1 nm to 50 nm while layer (102) of the metal oxide has a thickness ranging from 10 nm to 2000 nm; and depositing a final top layer (105) of Al 2O 3, or a mixture thereof comprising a metal selected from Mg or Si or AF, or a metal oxide selected from Si oxide, Ti oxide, Cr oxide, Ni oxide, Ag oxide, or Zr oxide onto the two layers of different metal oxide, and wherein the top layer has a thickness ranging from 20 nm to 200 nm. Also disclosed a substrate.
Inventors:
CHEAH KOKWAI (CN)
CHING SUETYING (CN)
LAM WINGYUI (CN)
CHAN YUWAI (CN)
TSE SHINGCHI (CN)
TAM HOILAM (CN)
CHING SUETYING (CN)
LAM WINGYUI (CN)
CHAN YUWAI (CN)
TSE SHINGCHI (CN)
TAM HOILAM (CN)
Application Number:
PCT/CN2019/084112
Publication Date:
October 31, 2019
Filing Date:
April 24, 2019
Export Citation:
Assignee:
UNIV HONG KONG BAPTIST UNIV (CN)
CATHAY PHOTONICS LTD (CN)
CATHAY PHOTONICS LTD (CN)
International Classes:
C23C28/04; C23C14/08
Domestic Patent References:
| WO2018064947A1 | 2018-04-12 |
Foreign References:
| CN103403903A | 2013-11-20 | |||
| TW201809325A | 2018-03-16 | |||
| CN104044307A | 2014-09-17 | |||
| CN105549133A | 2016-05-04 |
Attorney, Agent or Firm:
DHC IP ATTORNEYS (CN)
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