MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING HAVING A MAIN POLE AND A SHIELD
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United States of America Patent
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Issued Date -
Jul 26, 2012
app pub date -
Jan 26, 2011
filing date -
Jan 26, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A magnetic head includes: a main pole; a coil; a first shield with an end face located in a medium facing surface at a position forward of an end face of the main pole along a direction of travel of a recording medium; a gap part including a portion located between the main pole and the first shield; and a first return path section disposed forward of the main pole along the direction of travel of the recording medium. The first return path section connects the first shield and the main pole to each other so that a first space is defined by the main pole, the gap part, the first shield, and the first return path section. The coil includes a plurality of first coil elements extending to pass through the first space and aligned in a row in the direction of travel of the recording medium.
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