Ceramic powder, semiconductor ceramic capacitor, and method for manufacturing same
US9343522B2 · kind B2 · utility
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2References
11Claims
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Key dates
| Filing date | Dec 9, 2013 |
| Grant date | May 17, 2016 |
| Priority date | — |
| Expiry date | Dec 9, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A ceramic powder for use in a grain boundary insulated semiconductor ceramic that has an excellent ESD withstanding voltage, a semiconductor ceramic capacitor using the ceramic powder, and a manufacturing method therefor. The ceramic powder for use in a SrTiO3 based grain boundary insulated semiconductor ceramic has a specific surface area of 4.0 m2/g or more and 8.0 m2/g or less, and a cumulative 90% grain size D90 of 1.2 μm or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.