Title:
強化ガラス基板及びその製造方法
Document Type and Number:
Japanese Patent JP5867574
Kind Code:
B2
Abstract:
A tempered glass substrate for a cover glass of a display, which has a compression stress layer on a surface thereof, and has a glass composition comprising, in terms of mass%, 40 to 71% of SiO 2 , 3 to 21% of Al 2 O 3 , 0 to 1% of Li 2 O, 7 to 20% of Na 2 O, 0 to 15% of K 2 O, 0 to 3% of SrO, 0.001 to 10% of ZrO 2 , and 4% or less of TiO 2 , wherein K 2 O/Na 2 O in terms of mass fraction is 0.25 to 2.
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Inventors:
Takashi Murata
Application Number:
JP2014247724A
Publication Date:
February 24, 2016
Filing Date:
December 08, 2014
Export Citation:
Assignee:
Nippon Electric Glass Co., Ltd.
International Classes:
C03C3/083; C03C21/00
Foreign References:
| WO2008143999A1 |
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