Dielectric ceramic composition
US6225250A · kind A · utility
14Cited by
11References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 17, 1999 |
| Grant date | May 1, 2001 |
| Priority date | — |
| Expiry date | Feb 17, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01G4/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides a dielectric ceramic composition whose electrostatic capacity has an excellently low temperature dependence; which can be fired in a reducing atmosphere; and which is advantageously used in a laminated ceramic capacitor having an internal electrode formed of a base metal such as nickel or nickel alloy. The dielectric ceramic composition is represented by the following formula: EQU {Ba.sub.1-x Ca.sub.x O}.sub.m TiO.sub.2 +.alpha.MgO+.beta.MnO, wherein EQU 0.001.ltoreq..alpha..ltoreq.0.05; 0.001.ltoreq..beta..ltoreq.0.025; 1.000<m.ltoreq.1.035; and 0.02.ltoreq.x.ltoreq.0.15.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.