Resistance paste
US4693843A · kind A · utility
2Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 1986 |
| Grant date | Sep 15, 1987 |
| Priority date | — |
| Expiry date | Mar 10, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01C17/0654
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Resistance paste for baked-film resistors consists essentially of conducting powder, glass frit and organic varnish. The conducting powder consists essentially of iron oxide, ruthenium oxide and lead oxide, the molar ratio of the three components of the conducting powder being 1:0.6-3:0.2-1 when expressed in terms of Fe.sub.3 O.sub.4, RuO.sub.2 and Pb.sub.3 O.sub.4, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.