Low temperature sealing glass
US6248679A · kind A · utility
1Cited by
4References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 18, 1996 |
| Grant date | Jun 19, 2001 |
| Priority date | — |
| Expiry date | Nov 18, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C8/245
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A sealing glass composition in powdered form comprising a crystallizable PbO/ZnO/B.sub.2 O.sub.3 /SiO.sub.2 glass in the vitreous state, an effective amount of a nucleating agent, and an optional filler. The glass composition can be used to seal television picture tubes with excellent results when heated to a hold range of about 420.degree. C. to about 435.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.