Dielectric ceramic composition
US6599854B2 · kind B2 · utility
2Cited by
3References
10Claims
0Family size
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Key dates
| Filing date | Apr 26, 2001 |
| Grant date | Jul 29, 2003 |
| Priority date | — |
| Expiry date | Jan 15, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B35/495
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A dielectric ceramic composition comprising a first compound having the general formula, aCaTiO3—(1−a)Ca(Al½Nb½)O3 in which 0.4≦a≦0.6.Preferably, it further contains a second compound selected from the group consisting of zirconium oxide (ZrO2), manganese oxide (MnO2) and antimony trioxide (Sb2O3), with the second compound present in an amount no more than 2 parts by weight relative to 100 parts by weight of the first compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.