Invention Grant
- Patent Title: Glass article
-
Application No.: US14648821Application Date: 2013-11-29
-
Publication No.: US09718723B2Publication Date: 2017-08-01
- Inventor: Kazuo Tachiwana , Junko Akojima , Teruo Yamashita
- Applicant: HOYA CORPORATION
- Applicant Address: JP Tokyo
- Assignee: HOYA CORPORATION
- Current Assignee: HOYA CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Oliff PLC
- Priority: JP2012-263738 20121130; JP2012-263739 20121130; JP2012-263740 20121130; JP2013-113431 20130529; JP2013-113432 20130529; JP2013-113433 20130529
- International Application: PCT/JP2013/082275 WO 20131129
- International Announcement: WO2014/084380 WO 20140605
- Main IPC: C03C3/247
- IPC: C03C3/247 ; G02B3/00 ; G02B1/00 ; C03C21/00 ; C03C23/00
Abstract:
A glass article includes P, Al, an alkali earth metal, F and O, wherein the content of P and O is greater at the surface side of the glass article than the inner side thereof and the content of the alkali earth metal and F is less at the surface side of the glass article than the inner side thereof.
Public/Granted literature
- US20150299029A1 GLASS ARTICLE Public/Granted day:2015-10-22
Information query
