Title:
ガラスを強化する二段階法
Document Type and Number:
Japanese Patent JP5890835
Kind Code:
B2
Abstract:
Alkali aluminoborosilicate glass article, comprising 50-70 mol% SiO; 5-15 mol% AlO; 5-20 mol% BO; 2-15 mol% LiO; 0-20 mol% NaO; and 0-10 mol% KO, wherein the glass article has a surface having a compressive layer extending from the surface to a depth of layer and is enriched in potassium to a second depth that is less than the depth of layer, and wherein the surface of the glass article has a crack initiation threshold of at least 3000 gf upon indentation with a Vickers indenter.
Inventors:
Gomez, Sinew
Lumberson, Lisa
Molina, Robert M
Lumberson, Lisa
Molina, Robert M
Application Number:
JP2013526171A
Publication Date:
March 22, 2016
Filing Date:
August 26, 2011
Export Citation:
Assignee:
CORNING INCORPORATED
International Classes:
C03C3/091; C03C21/00; C03C3/097
Domestic Patent References:
| JP1239036A | ||||
| JP46007591B1 | ||||
| JP2004253074A | ||||
| JP11328601A |
Foreign References:
| US20100047521 | ||||
| US20090142568 | ||||
| US3410673 |
Attorney, Agent or Firm:
Yanagita Seiji
Go Sakuma
Go Sakuma
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