Perpendicular magnetic recording head and magnetic recording unit having leading shield including exposed end surface and recess shield including mid part
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United States of America Patent
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Oct 6, 2015
Grant Date -
Jul 9, 2015
app pub date -
Jan 8, 2014
filing date -
Jan 8, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The perpendicular magnetic recording head includes: a magnetic pole including an end surface exposed on an air bearing surface, and extending in a height direction perpendicular to the air bearing surface; a leading shield including an end surface exposed on the air bearing surface; a leading gap provided between the magnetic pole and the leading shield; and a recess shield including a mid-part and other parts, and provided at a position on a side opposite to the magnetic pole with the leading shield in between, the mid-part being distanced from the leading shield in a track width direction, the other parts being in contact with the leading shield, and the position being recessed from the air bearing surface.
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