Method and materials for tuning the center frequency of narrow-band surface-acoustic-wave (SAW) devices by means of dielectric overlays
US4243960A · kind A · utility
42Cited by
10References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 14, 1978 |
| Grant date | Jan 6, 1981 |
| Priority date | — |
| Expiry date | Aug 14, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/42
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A method and device for adjusting the center frequency after fabrication of surface acoustic wave (SAW) devices by the deposition of a nonconducting coating which alters the SAW propagation velocity of the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.