Flux guide type device, head having the same, and drive
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United States of America Patent
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Nov 1, 2005
Grant Date -
Aug 14, 2003
app pub date -
Oct 30, 2002
filing date -
Feb 12, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A flux guide type includes a magnetoresistive device for reading a signal flux, and a flux guide for transmitting the signal flux to the magnetoresistive device. The flux guide includes a laminated film that includes a ferromagnetic layer, a non-magnetic layer and a ferromagnetic layer in this order, and the two ferromagnetic layers in the flux guide have antiparallel directions of magnetization with respect to the non-magnetic layer.
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