Piezoelectric element
US7517063B2 · kind B2 · utility
1Cited by
8References
8Claims
0Family size
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Key dates
| Filing date | Jul 24, 2006 |
| Grant date | Apr 14, 2009 |
| Priority date | — |
| Expiry date | Mar 27, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/03
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A piezoelectric element including an upper electrode, a piezoelectric and/or electrostrictive material and a lower electrode, characterized in that the piezoelectric and/or electrostrictive material is a composite oxide constituted by ABO3 as general formula and the piezoelectric and/or electrostrictive material has a twin crystal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.