Magnetic head, disk drive with the same and method of manufacturing magnetic head
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United States of America Patent
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Oct 17, 2017
Issued Date -
N/A
app pub date -
Dec 21, 2015
filing date -
Sep 30, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
According to one embodiment, a magnetic head includes an air bearing surface, a first surface on which contact pads connected to elements are provided, a pair of second surfaces provided respectively with a connection terminal connected to the contact pad, a main pole with a distal end portion extending to the air bearing surface, a write shield opposing the distal end portion of the main pole with a write gap therebetween, and a high-frequency oscillator provided between the main pole and the write shield within the write gap and electrically connected to the main pole and the write shield. The high-frequency oscillator includes a spin injection layer and an oscillation layer, and at least the oscillation layer is recessed in a direction away from the air bearing surface.
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