Piezoelectric element of laminate type
US4994703A · kind A · utility
11Cited by
0References
8Claims
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Assignee
Inventors
Key dates
| Filing date | Jul 7, 1989 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Jul 7, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/42
Abstract
A piezoelectric element of laminate type comprising a plurality of films or thin sheets of piezoelectric material of the same size, each having an internal electrode formed on its entire surface, said films or sheets being laminated so that the end face of each internal electrode is exposed at the side of the laminate, wherein an insulating layer is formed by a photosensitive composition to electrically connect every second internal electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.