Method of manufacturing a magnetic bias pinning layer for a...

Details Method of manufacturing a magnetic bias pinning layer for a... Method of manufacturing a magnetic bias pinning layer for a...

2008-04-22

2008-04-22

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S603130, C029S603120, C029S603150, C029S603160, C029S603180

Reexamination Certificate

active

11227408

ABSTRACT:
A method for fabricating a magnetic head, including depositing a plurality of sensor layers, including a pinned magnetic layer, a spacer layer, a free magnetic layer, a bias spacer layer, and a bias layer, and thereafter removing outer portions of the spacer layer, the free magnetic layer, the bias spacer layer, and the bias layer. Inner electrical lead portions are deposited upon outer portions of the pinned magnetic layer, and a bias pinning layer is then deposited upon both the bias layer and the inner electrical lead portions. Outer electrical lead portions are thereafter deposited in electrical connection with the inner electrical lead portions. An alternative embodiment includes removing portions of the pinned magnetic layer prior to the deposition of the inner electrical lead portions.

REFERENCES:
patent: 6252750 (2001-06-01), Gill
patent: 6262869 (2001-07-01), Lin et al.
patent: 6671139 (2003-12-01), Carey et al.
patent: 2003/0137781 (2003-07-01), Carey et al.
patent: 2003/0179514 (2003-09-01), Pinarbasi
patent: 11-354860 (1999-12-01), None

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