Recording heads with side shields
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United States of America Patent
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-
Jun 19, 1990
Issued Date -
N/A
app pub date -
Mar 16, 1988
filing date -
Apr 1, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Side shields are provided adjacent to the magnetic poles of recording heads. The side shields are used for read and write operations for both longitudinal and vertical recording. During read, the side shields intercept flux from adjacent tracks and shunts it around the sensor to magnetic ground. During write, side shields contain the write field of the head so that it does not corrupt the data on adjacent tracks. Embodiments are disclosed for both longitudinal and perpendicular or vertical recording.
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