METHOD AND SYSTEM FOR IMPROVING THE SENSITIVITY OF A SPIN VALVE MAGNETORESISTANCE SENSOR
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United States of America Patent
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N/A
Issued Date -
Nov 15, 2001
app pub date -
Aug 18, 1999
filing date -
Aug 18, 1999
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method and system for providing a dual spin valve is disclosed. The dual spin valve is for reading data in a magnetic recording media. The method and system include providing a first pinned layer. The first pinned layer has a first magnetization. The method and system also include providing a CoFe free layer and providing a first nonmagnetic spacer layer. The first nonmagnetic spacer layer is between the first pinned layer and the CoFe free layer. The method and system also include providing a second pinned layer and a second nonmagnetic spacer layer. The second pinned layer has a second magnetization. The second nonmagnetic spacer layer is between the CoFe free layer and the second pinned layer.
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