Patent · US Expired

Disc drive suspension having a moving coil or moving magnet microactuator

US6295185A · kind A · utility

49Cited by
2References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 23, 1999
Grant dateSep 25, 2001
Priority date
Expiry dateMar 23, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B5/5552
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A suspension includes a load beam having a main body and a transducer support element which is movable relative to the main body. A sheet of dielectric material extends along the load beam and carries a plurality of transducer signal traces and a coil. A microactuator is positioned along the load beam and includes a first magnet, the coil and a lever arm. The lever arm is secured to the transducer support element and supports one of the first magnet and the coil. The other of the first magnet and the coil is secured relative to the load beam.

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