Piezoelectric element, piezoelectric element manufacturing method and actuator using piezoelectric element
US6278222A · kind A · utility
7Cited by
10References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 1999 |
| Grant date | Aug 21, 2001 |
| Priority date | — |
| Expiry date | Aug 20, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N30/053
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A piezoelectric element comprising a thin sheet piezoelectric element formed of a piezoelectric ceramic having PZT (PbZrO3.PbTiO3) as a main component with electrodes formed on the surfaces thereof, said thin sheet piezoelectric element being wrapped around a shaft to form a cylinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.