检索国际和国家专利汇编

1. (WO2014084380) GLASS ARTICLE

Pub. No.:    WO/2014/084380    International Application No.:    PCT/JP2013/082275
Publication Date: Fri Jun 06 01:59:59 CEST 2014 International Filing Date: Sat Nov 30 00:59:59 CET 2013
IPC: C03C 21/00
C03C 17/22
C03C 19/00
C03C 23/00
G02B 3/00
C03C 3/247
Applicants: HOYA CORPORATION
HOYA株式会社
Inventors: TACHIWANA Kazuo
立和名 一雄
AKOJIMA Junko
阿子島 淳子
YAMASHITA Teruo
山下 照夫
Title: GLASS ARTICLE
Abstract:
A glass article which comprises 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.