Title:
NON-ALKALI GLASS
Document Type and Number:
WIPO Patent Application WO/2015/056645
Kind Code:
A1
Abstract:
Non-alkali glass capable of providing both crack resistance and chemical resistance even when the content of B2O3 in the glass composition is low; characterized in having a glass composition by mol% of SiO2 66-78%, Al2O3 8-15%, B2O3 0-1.8%, MgO 0-8%, CaO 1-15%, SrO 0-8%, and BaO 1-8%, containing substantially no alkali metal oxides, and having a strain point higher than 725°C.
Inventors:
MURATA TETSUYA (JP)
MIWA SHINKICHI (JP)
MIWA SHINKICHI (JP)
Application Number:
PCT/JP2014/077191
Publication Date:
April 23, 2015
Filing Date:
October 10, 2014
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
C03C3/087; C03B17/06; C03C3/091; H01L51/50; H05B33/02
Foreign References:
| JP2011522767A | 2011-08-04 | |||
| JPH11217235A | 1999-08-10 | |||
| JPH08109037A | 1996-04-30 | |||
| JP2010006649A | 2010-01-14 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
Kunihiko Shiromura (JP)
Kunihiko Shiromura (JP)
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