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Baseplate resonant axis optimization

  • US 10,643,655 B2
  • Filed: 12/03/2014
  • Issued: 05/05/2020
  • Est. Priority Date: 09/30/2009
  • Status: Active Grant
First Claim
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1. A method comprising:

  • positioning a head to access data from an adjacent disc surface, the head supported by a load beam attached to a baseplate, the baseplate including;

    a planar main section and a mass-shifted section; and

    at least one microactuator motor element positioned on the mass-shifted_section of the baseplate to provide fine position control of the head;

    wherein the mass-shifted section includes a top portion and a center portion, the top portion being wider and further away from the adjacent disc surface than the center portion and coupled to the load beam, and wherein the mass-shifted section causing a torsion axis of the planar main section and the mass-shifted section to angle toward the head when the head is flying above the adjacent disc surface with the center portion of the mass-shifted section being closer to the adjacent disc surface than the planar main section.

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