Method for reduction of sinter temperatures of antiferroelectric, lead-based ceramics by use of lithium compound additions and capacitors made with such ceramics
US5993895A · kind A · utility
2Cited by
4References
12Claims
0Family size
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Key dates
| Filing date | Oct 10, 1997 |
| Grant date | Nov 30, 1999 |
| Priority date | — |
| Expiry date | Oct 10, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/435
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for densifying a dielectric antiferroelectric material includes the steps of adding a compound which includes lithium to the dielectric material to create a mixture thereof. Thereafter, the mixture is heated to a temperature of not greater than about 1100.degree. C. for a predetermined period to densify the mixture. It is preferred that the lithium compound be a lithium salt and that the dielectric material comprise a PLZT composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.