Process of making a GMR improvement in CPP spin valve head...

Details Process of making a GMR improvement in CPP spin valve head... Process of making a GMR improvement in CPP spin valve head...

2006-05-09

2006-05-09

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S603130, C029S603140, C360S324100, C360S324110

Reexamination Certificate

active

07040005

ABSTRACT:
A method of fabricating a current-perpendicular-to-plane (CPP) giant magnetoresistive (GMR) sensor stack, wherein the parasitic resistance of the high-resistance antiferromagnetic (AFM) pinning layer is effectively reduced by enlarging its surface area and forming between it and the remainder of the sensor stack an equal area, contiguous, thin, highly conductive ferromagnetic layer, the current channeling (CCL) layer. The magnetic properties and increased current carrying capacity of the CCL allows the AFM pinning layer to effectively couple to the pinned layer while eliminating the effect of its high resistance on the sensor sensitivity as measured by the GMR ratio, ΔR/R.

REFERENCES:
patent: 5731937 (1998-03-01), Yuan
patent: 5739987 (1998-04-01), Yuan et al.
patent: 5883763 (1999-03-01), Yuan et al.
patent: 6353318 (2002-03-01), Sin et al.
patent: 6411478 (2002-06-01), Mao et al.
patent: 6466419 (2002-10-01), Mao
patent: 6775111 (2004-08-01), Lin et al.
patent: 11-213348 (1999-08-01), None

Affiliated with

Also associated with

Rating

Process of making a GMR improvement in CPP spin valve head... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process of making a GMR improvement in CPP spin valve head..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process of making a GMR improvement in CPP spin valve head... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3618284