Glass-coated thick film resistor
US4139832A · kind A · utility
8Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 1977 |
| Grant date | Feb 13, 1979 |
| Priority date | — |
| Expiry date | Mar 1, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01C17/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A glas-coated thick film resistor can be obtained by coating completely with a crystallizable glass having a crystallizing temperature of 400 to 600.degree. C and consisting of 62 to 80% by weight of PbO, 5 to 31% by weight of ZnO, 5 to 18% by weight of B.sub.2 O.sub.3, 0.2 to 8% by weight of Al.sub.2 O.sub.3 and 1 to 5% by weight of SiO.sub.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.