Thick-film resistor and ceramic circuit board
US6544654B1 · kind B1 · utility
12Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2000 |
| Grant date | Apr 8, 2003 |
| Priority date | — |
| Expiry date | Oct 27, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01C17/06533
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A thick-film resistor contains RuO2 and an SiO2—B2O3—K2O glass having a composition of 60 wt %≦SiO2≦85 wt %, 15 wt %≦B2O3≦40 wt %, 0.1 wt %≦K2O≦10 wt %, and impurity ≦3 wt %. A ceramic circuit board includes a thick-film resistor printed on it, the thick-film resistor containing RuO2 and an SiO2—B2O3—K2O glass having the above composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.