Patent · US Expired

Surface acoustic wave device, method for producing the same, and circuit module using the same

US6710682B2 · kind B2 · utility

17Cited by
6References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 3, 2001
Grant dateMar 23, 2004
Priority date
Expiry dateOct 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.