Ceramic
US11873253B2 · kind B2 · utility
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1References
19Claims
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Key dates
| Filing date | May 10, 2018 |
| Grant date | Jan 16, 2024 |
| Priority date | — |
| Expiry date | Jan 6, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/02031
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
There is disclosed a piezoelectric ceramic having the composition: a[PbTiO3]-b[SrTiO3]-c[BiFeO3]-d[(KxBi1-x)TiO3]; wherein 0.4<x<0.6; 0.1<a<0.4; 0.01<b≤0.2; c≥0.05; d≥0.01; and a+b+c+d=1 optionally comprising an A- or B-site metal dopant in an amount of up to 2 at. %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.