Perpendicular magnetic recording write head with a side shield
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United States of America Patent
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Oct 11, 2011
Grant Date -
Apr 9, 2009
app pub date -
Oct 3, 2007
filing date -
Oct 3, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
≦[(0.6×neck height)+0.08] microns. There is a non-magnetic gap layer between the first section and a second section that is formed adjacent to the flared sides of the main pole layer and serves to suction leakage flux from the flared portion and prevent unwanted flux from reaching the first side shield sections. A fabrication method is provided that includes electroplating the first side shield sections, depositing the non-magnetic gap layer, and then electroplating the second side shield sections. Subsequently, a main pole layer and a trailing shield are formed.
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