Disk drive head suspension tail with a noble metal layer disposed on a plurality of structural backing islands
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United States of America Patent
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Jan 30, 2018
Grant Date -
Jul 21, 2016
app pub date -
Mar 29, 2016
filing date -
Dec 10, 2013
priority date (Note) -
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Abstract
A head suspension assembly for a disk drive includes a load beam and a laminated flexure that comprises a stainless steel layer, a copper trace layer, and a dielectric layer between the stainless steel layer and the copper trace layer. The laminated flexure includes a flexure tail that extends away from the load beam to a flexure tail terminal region. The copper trace layer includes a plurality of flexure bond pads in the flexure tail terminal region. The stainless steel layer includes a plurality of backing islands in the flexure tail terminal region. Each of the plurality of backing islands is aligned with a corresponding one of the plurality of flexure bond pads. A noble metal layer is disposed on the plurality of backing islands.
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