Pseudo-contact slider with recessed magneto-resistive transducer
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United States of America Patent
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Nov 30, 1999
Grant Date -
N/A
app pub date -
May 21, 1998
filing date -
May 21, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of design of a magnetic recording slider and sensor geometry is disclosed which allows a magneto-resistive recording element to achieve a significantly reduced physical and magnetic spacing with a rigid magnetic recording disk in a disk drive, without resulting in thermal transients caused by sensor/disk contacts. The method utilizes pseudo-contact slider technology with an intentionally recessed MR sensor pole tip and alumina region. The reduced spacing achieved by pseudo-contact recording is significant compared to the spacing loss incurred by the proposed precision of the MR recording element, resulting in a net reduction in head medium magnetic spacing.
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