Patent · US Expired

Surface acoustic wave device

US4745378A · kind A · utility

53Cited by
2References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 18, 1987
Grant dateMay 17, 1988
Priority date
Expiry dateSep 18, 2007

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03H9/02566
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

The surface acoustic wave device includes a plurality of output gate electrodes provided between two signal input transducers on a piezoelectric layer on a semiconductor substrate, so that each output gate electrode receives a bias voltage unique to it and supplies an output signal based on the unique bias voltage.

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