Patent · US Expired

Piezoelectric actuator

US7026745B2 · kind B2 · utility

5Cited by
6References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 19, 2002
Grant dateApr 11, 2006
Priority date
Expiry dateJun 19, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/4226
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An actuator comprises a laminate of interleaved layers of electrode plates and piezoelectric material; wherein an upper region (in use) of electrode plates is adapted when energized to effect deflections in up and down directions; a lower region of electrode plates is adapted when energized to effect deflections in up and down directions; and one or more further regions of electrode plates are adapted when energized to effect deflections in left and right directions.

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