Dynamic magnetic information storage or retrieval – Head – Hall effect
Patent
1994-12-23
1996-02-13
Wolff, J. H.
Dynamic magnetic information storage or retrieval
Head
Hall effect
360104, 360128, G11B 5127, G11B 510
Patent
active
054916054
ABSTRACT:
In a magnetic read/write transducer, the elements of the magnetoresistive (MR) and inductive heads are shorted together and to the slider substrate to provide a low resistance, conductive path bypassing the MR sensor element and minimizing electrical current through the MR sensor element during discharge of static electric charge. The MR sensor element, the MR conductive leads, the MR magnetic shield elements and inductive pole tips exposed at the slider air bearing surface are shorted together and to the slider substrate by a layer of conductive material, such as tungsten, formed over the slider air bearing surface. The conductive layer shorts the head elements together and to the slider substrate thus protecting the head against ESD/EOS damage during subsequent handling and assembly. The conductive layer is removed by wet etching prior to placing the magnetic head into operation in a magnetic storage system.
REFERENCES:
patent: 4317149 (1982-02-01), Elser et al.
patent: 4785366 (1988-11-01), Krounbi et al.
patent: 4800454 (1989-01-01), Schwarz et al.
patent: 5206590 (1993-04-01), Dieny et al.
patent: 5247413 (1993-09-01), Shibata et al.
patent: 5302461 (1994-04-01), Anthony
Hughbanks Timothy S.
Lee Hin Pong E.
Phipps Peter B. P.
Robertson Neil L.
Wallash Albert J.
International Business Machines - Corporation
Murray Leslie G.
Wolff J. H.
LandOfFree
Shorted magnetoresistive head elements for electrical overstress does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Shorted magnetoresistive head elements for electrical overstress, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Shorted magnetoresistive head elements for electrical overstress will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-244185