Piezoelectric composition and piezoelectric device
US10937943B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Feb 27, 2018 |
| Grant date | Mar 2, 2021 |
| Priority date | — |
| Expiry date | Feb 21, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/768
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The piezoelectric composition is represented by the following Chemical Formula (1): x[BimFeO3]-y[BamTiO3]-z[BimAlO3] (1) wherein 0.5≤x≤0.7995, 0.2≤y≤0.4, 0.0005≤z≤0.1, x+y+z=1, 0.96≤m≤1.04.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.