Process for preparing polymeric piezoelectric material
US4565943A · kind A · utility
2Cited by
11References
22Claims
0Family size
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Key dates
| Filing date | May 2, 1984 |
| Grant date | Jan 21, 1986 |
| Priority date | — |
| Expiry date | May 2, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/42
Abstract
A process for preparing a polymeric piezoelectric material which comprises a vinylidene fluoride containing polymer, comprising applying at least two cycles of alternate electric field except a rectangular wave to the material to polarize it, by which process, the polymeric piezoelectric material is prepared at a low temperature for a short time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.