Process for producing miniature piezoelectric devices using laser machining and devices obtained by this process
US4820897A · kind A · utility
18Cited by
10References
4Claims
0Family size
Inventor
Key dates
| Filing date | May 5, 1987 |
| Grant date | Apr 11, 1989 |
| Priority date | — |
| Expiry date | May 5, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/42
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Process for the production of miniature piezoelectric devices using machining by laser and devices obtained by this process. The piezoelectric material formed by lithium niobate or lithium tantalate is cut by means of the laser. Application to the production or resonators and filters, which can be used in electronics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.