Combined read head and write head with non-magnetic electrically

Details Combined read head and write head with non-magnetic electrically Combined read head and write head with non-magnetic electrically

1997-09-05

2000-02-29

Renner, Craig A.

Dynamic magnetic information storage or retrieval

Head

Core

360113, 360121, 360122, G11B 531, G11B 539, G11B 5265, G11B 5187

Patent

active

060316950

ABSTRACT:
A combined read head and write head includes at least one write coil layer embedded in an insulation stack. The insulation stack is sandwiched between first and second pole piece layers that are connected at a back gap. The pole piece layers have first and second pole tips that have edges that form a portion of an air bearing surface. A write gap layer that forms a portion of the air bearing surface is sandwiched between a top surface of the first pole tip and a bottom surface of the second pole tip. A non-magnetic electrically conductive layer on top of the second pole tip forms a portion of the air bearing surface. A magnetoresistive sensor is sandwiched between first and second gap layers, which are sandwiched between first and second shield layers. The second shield layer is a common layer with the first pole piece layer.

REFERENCES:
patent: 4295173 (1981-10-01), Romankiw et al.
patent: 4872079 (1989-10-01), Roberts
patent: 4896235 (1990-01-01), Takino et al.
patent: 4912584 (1990-03-01), Mallary et al.
patent: 4935832 (1990-06-01), Das et al.
patent: 5075280 (1991-12-01), Pisharody et al.
patent: 5134534 (1992-07-01), Sasaki
patent: 5267112 (1993-11-01), Batra et al.
patent: 5285340 (1994-02-01), Ju et al.
patent: 5379172 (1995-01-01), Liao
patent: 5404635 (1995-04-01), Das
patent: 5435053 (1995-07-01), Krounbi et al.
patent: 5436781 (1995-07-01), Matono et al.
patent: 5438747 (1995-08-01), Krounbi et al.
patent: 5452164 (1995-09-01), Cole et al.
patent: 5488528 (1996-01-01), Chen et al.
patent: 5559654 (1996-09-01), Das
patent: 5657186 (1997-08-01), Kudo et al.
patent: 5670253 (1997-09-01), Chiu et al.
patent: 5696652 (1997-12-01), Satoh
patent: 5703740 (1997-12-01), Cohen et al.
patent: 5763108 (1998-06-01), Chang et al.
patent: 5822153 (1998-10-01), Lairson et al.

Affiliated with

Also associated with

Rating

Combined read head and write head with non-magnetic electrically does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Combined read head and write head with non-magnetic electrically, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Combined read head and write head with non-magnetic electrically will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-688524