Electrically induced mechanical precompression of ferroelectric plates
US4714848A · kind A · utility
11Cited by
7References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 2, 1987 |
| Grant date | Dec 22, 1987 |
| Priority date | — |
| Expiry date | Mar 2, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/42
Abstract
A method of electrically inducing mechanical precompression of a ferroelectric plate covered with electrodes utilizes the change in strains of the plate as functions of applied electric field. A first field polarizes and laterally shrinks the entire plate. An outer portion of the electrodes are removed, and an opposite field partially depolarizes and expands the central portion of the plate against the shrunk outer portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.