Patent · US Expired

Probe drive mechanism and electronic device which uses the same

US5334835A · kind A · utility

32Cited by
3References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 28, 1992
Grant dateAug 2, 1994
Priority date
Expiry dateSep 28, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S977/947
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A probe drive mechanism includes a cantilever portion in which a piezoelectric layer is disposed between electrode layers, and a circuit portion which is positioned adjacent to the cantilever portion and drives the cantilever. The cantilever portion and the circuit portion are formed on the same substrate. A protection layer covers the circuit portion and part of the substrate, and the cantilever portion is formed on the protection layer adjacent to the circuit portion.

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