Ceramic dielectric and method of manufacturing the same and ceramic electronic component and electronic device
US11114245B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 10, 2019 |
| Grant date | Sep 7, 2021 |
| Priority date | — |
| Expiry date | Jul 31, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01G4/232
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of manufacturing a ceramic dielectric, including: heat-treating a barium precursor or a strontium precursor, a titanium precursor, and a donor element precursor to obtain a conducting or semiconducting oxide, preparing a mixture including the conducting or semiconducting oxide and a liquid-phase acceptor element precursor, and sintering the mixture to form a ceramic dielectric, wherein the ceramic dielectric includes a plurality of grains and a grain boundary between adjacent grains, and wherein the plurality of grains including an insulating oxide comprising an acceptor element derived from the acceptor element precursor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.