Glass composition and covering and sealing members using same
US9048056B2 · kind B2 · utility
4Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2010 |
| Grant date | Jun 2, 2015 |
| Priority date | — |
| Expiry date | Jan 16, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/252
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A glass composition according to the present invention comprises: transition metals; phosphorus; barium; and zinc, the transition metals including: vanadium; and tungsten and/or iron, the glass composition not containing substances included in the JIG level A and B lists, an softening point of the glass composition being from 430 to 530° C., an average linear expansion coefficient of the glass composition being from 6 to 9 ppm/° C. at temperatures from 30 to 250° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.