Disk drive head suspension structures having improved gold-dielectric joint reliability
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United States of America Patent
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Aug 15, 2017
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N/A
app pub date -
Jun 22, 2016
filing date -
Jun 30, 2015
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Abstract
A disk drive head suspension or flexure and method of manufacture. Embodiments include a portion such as a terminal pad or flying lead comprising a base layer, a dielectric layer on the base layer, a conductor layer, a seed layer between the dielectric layer and the conductor layer, and a noncorrosive metal layer on the seed layer side of the conductor layer. The seed layer has a strip that extends beyond the edge of the dielectric layer. The noncorrosive metal layer extends over the strip of the seed layer and into contact with the edge of the dielectric layer.
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