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Head suspension with stacked coil microactuator for tracking axis adjustment of a read/write head

  • US 5,867,347 A
  • Filed: 06/13/1997
  • Issued: 02/02/1999
  • Est. Priority Date: 06/13/1997
  • Status: Expired due to Term
First Claim
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1. A disk drive suspension configured for attachment to an actuator arm, including:

  • a load beam having a proximal end, a distal end, and a rigid region between the proximal end and the distal end;

    a flexure at the distal end of the load beam, the flexure configured for receiving and supporting a read/write head;

    a microactuator on the load beam and including first and second spaced actuator members responsive to tracking control signals wherein in response to tracking control signals at least the first actuator member generates a force on the second actuator member which causes a relative displacement between the first and second actuator members; and

    a linkage coupled to the microactuator for translating the relative displacement between the first and second actuator members into a displacement of the distal end of the load beam including the flexure along a transverse tracking axis.

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