Piezoelectric element
US6548941B2 · kind B2 · utility
2Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2002 |
| Grant date | Apr 15, 2003 |
| Priority date | — |
| Expiry date | Jul 3, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N30/877
Abstract
A piezoelectric element includes a plurality of piezoelectric layers which contain a bismuth layer compound as the main component of the piezoelectric ceramic composition. The piezoelectric layers are provided with electrodes containing Pd as a main component so that the piezoelectric layers vibrate. At least one of the electrodes and the piezoelectric ceramic composition contains Ag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.