MAGNETIC HEAD WITH PLURAL READ ELEMENTS HAVING PINNED LAYERS MAGNETIC DISK DEVICE COMPRISING THE SAME AND READING METHOD USING MAGNETIC HEAD
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United States of America Patent
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Issued Date -
Jun 16, 2016
app pub date -
Mar 4, 2015
filing date -
Dec 10, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
According to one embodiment, a magnetic head includes read elements each including a first magnetic layer having a pinned magnetization direction, and a second magnetic layer provided to oppose the first magnetic layer via an insulating layer therebetween and having a free magnetization direction. At least two of the read elements are arranged such that both of the first magnetic layer and the second magnetic layer of each of these elements cross an arbitrary line and the first magnetic layers of these elements are different in magnetization direction with respect each other.
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