Detecting contact between a slider and a data storage medium without a separate contact-detection voltage source
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United States of America Patent
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May 31, 2011
Grant Date -
Mar 25, 2010
app pub date -
Sep 24, 2008
filing date -
Sep 24, 2008
priority date (Note) -
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Abstract
A circuit includes a slider, a data storage medium and a contact detection circuit electrically coupled to the slider and to the data storage medium. The contact detection circuit is configured to sense an electrical current indicative of contact between the slider and the data storage medium and responsively provide a contact detection output. The electrical current is produced without the application of a separate voltage between the slider and the data storage medium.
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