Patent · US Expired

Piezoelectric element with giant electrostrictive effect and ceramic composition for preparing same

US4988909A · kind A · utility

8Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 16, 1990
Grant dateJan 29, 1991
Priority date
Expiry dateJan 16, 2010

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10N30/503
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The present invention relates to a longitudinally effective piezoelectric element exhibiting a large displacement at low voltage and to a ceramic composition suitable for producing the longitudinally effective piezoelectric element.

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