Patent · US Expired

Surface-acoustic-wave three interdigital electrodes with different numbers of finger pairs

US6111481A · kind A · utility

4Cited by
8References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 30, 1999
Grant dateAug 29, 2000
Priority date
Expiry dateJul 30, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03H9/6489
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A double-mode surface-acoustic device having a piezoelectric substrate with two reflectors placed on the piezoelectric substrate and first through third interdigital electrodes placed on the substrate consecutively between the two reflectors. Each electrode containing first through third number of pairs of electrode fingers, respectively.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.