Multilayer ceramic capacitors
US4228482A · kind A · utility
20Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 1977 |
| Grant date | Oct 14, 1980 |
| Priority date | — |
| Expiry date | Dec 13, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01G4/1263
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Multilayer capacitors of good electrical properties can be made by firing, in air at low temperatures, certain modified lead titanate dielectric compositions. The dielectric compositions have the formula EQU (Sr.sub.x Pb.sub.1-x TiO.sub.3).sub.a (PbMg.sub.0.5 W.sub.0.5 O.sub.3).sub.b wherein PA1 x is 0-0.10, PA1 a is 0.35-0.5, PA1 b is 0.5-0.65, and PA1 a plus b equals one.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.