Surface acoustic wave device, method for producing the same, and circuit module using the same
US6710682B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2001 |
| Grant date | Mar 23, 2004 |
| Priority date | — |
| Expiry date | Oct 3, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/42
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A surface acoustic wave device of the present invention includes a piezoelectric substrate, a plurality of comb electrodes for exciting a surface acoustic wave, disposed on a principal plane of the piezoelectric substrate, a plurality of bumps disposed on the principal plane, and an insulating sheet disposed so as to be opposed to the principal plane, wherein the bumps and the comb electrodes are connected electrically to each other, and the bumps penetrate through the insulating sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.