Spin valve magnetic head with three underlayers
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United States of America Patent
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-
Dec 21, 2004
Grant Date -
Jan 2, 2003
app pub date -
Feb 22, 2002
filing date -
Jun 28, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A spin valve magnetic head, providing on a substrate, a laminated structure that has an antiferromagnetic layer, fixation layer, non-magnetic layer and unconstraint layer, and having a first underlayer of Ta, a second underlayer of NiFeCr and a third underlayer of NiFe, which underlayers are interposed between the substrate and the laminated structure.
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