发明名称 |
Spin valve sensor with a capping layer comprising cobalt |
摘要 |
In one illustrative example of the invention, a spin valve sensor of a magnetic head has a sensor stack structure which includes a free layer structure and an antiparallel (AP) pinned layer structure separated by a spacer layer. A capping layer structure formed over the sensor stack structure includes a layer of cobalt (e.g. pure cobalt, oxidized cobalt, or cobalt-iron) as well as a layer of tantalum formed over it. Advantageously, the cobalt layer in the capping layer structure enhances the GMR and soft magnetic properties for thinner freelayer structures while maintaining a desirable slightly negative magnetostriction.
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申请公布号 |
US2005068686(A1) |
申请公布日期 |
2005.03.31 |
申请号 |
US20030675481 |
申请日期 |
2003.09.30 |
申请人 |
FREITAG JAMES MAC;PINARBASI MUSTAFA MICHAEL |
发明人 |
FREITAG JAMES MAC;PINARBASI MUSTAFA MICHAEL |
分类号 |
G11B5/33;(IPC1-7):G11B5/33;G11B5/127 |
主分类号 |
G11B5/33 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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