Dielectric ceramic compositions and method of preparation therefor
US6316376A · kind A · utility
4Cited by
2References
13Claims
0Family size
Inventors
Key dates
| Filing date | Jan 22, 2001 |
| Grant date | Nov 13, 2001 |
| Priority date | — |
| Expiry date | Jan 22, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01G4/1254
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A dielectric ceramic composition comprising 3BaO.5TiO.sub.2.3Nb.sub.2 O.sub.5 (Ba.sub.3 Ti.sub.5 Nb.sub.6 O.sub.28) as a main component and at least one selected from, as a minor component, (b-1) sintering auxiliary selected from the group consisting of a boron-containing glass compound, CuO, ZnO or mixtures thereof, or (b-2) additives selected from the group consisting of V.sub.2 O.sub.5, SnO.sub.2, MgO, NiO, Sb.sub.2 O.sub.3, Bi.sub.2 O.sub.3, LiF, Ag.sub.2 O or mixtures thereof, and mixtures of (b-1) and (b-2), and its preparation process are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.