Patent · US Active

Piezoelectric composition and piezoelectric device

US10833247B2 · kind B2 · utility

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0References

2Claims

0Family size

Assignee

TDK CORPORATION · JP

Inventors

Keisuke Teranishi · Tokyo, JP
Masashi Kitazaki · Tokyo, JP
Makoto Ishizaki · Tokyo, JP

Key dates

Filing date	Feb 27, 2018
Grant date	Nov 10, 2020
Priority date	—
Expiry date	Jan 26, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B2235/6567
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The piezoelectric composition is represented by the following Chemical Formula (1): x[BimFeO3]-y[BamTiO3]-z[SrmTiO3] (1) wherein 0.5≤x≤0.8, 0.02≤y≤0.4, 0.02≤z≤0.2, x+y+z=1, and 0.96≤m≤1.04.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.