Patent · US Expired

Piezoelectric/electrostrictive actuator having at least one piezoelectric/electrostrictive film

US5691593A · kind A · utility

57Cited by
23References
24Claims
0Family size

Assignees

Inventors

Key dates

Filing dateFeb 22, 1995
Grant dateNov 25, 1997
Priority date
Expiry dateFeb 22, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/42
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A piezoelectric/electrostrictive actuator including a ceramic substrate, and at least one piezoelectric/electrostrictive actuator unit formed on at least a portion of at least one surface of the substrate, each piezoelectric/electrostrictive actuator unit having a first electrode film, a piezoelectric/electrostrictive film and a second electrode film which are laminated in the order of description, with the piezoelectric/electrostrictive actuator unit formed on the substrate by heat treatment.

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