Glass for semiconductors
US4073657A · kind A · utility
5Cited by
3References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1976 |
| Grant date | Feb 14, 1978 |
| Priority date | — |
| Expiry date | Jul 16, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/09701
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An insulating or passivation glass consisting of 36 to 40 volume percent zircon and the balance is a base glass consisting essentially of 2 to 6 percent-SiO.sub.2, 70 to 75 percent-PbO 5 to 9 percent-ZnO, 0 to 4 percent-BaO, 2 to 5 percent-CdO, 0 to 2 percent-TiO.sub.2 and 10 to 14 percent-B.sub.2 O.sub.3, all of said percentages being weight percent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.