Magnetic device and process for production of magnetoresistive s

Details Magnetic device and process for production of magnetoresistive s Magnetic device and process for production of magnetoresistive s

1993-01-14

1994-04-26

Pianalto, Bernard

Stock material or miscellaneous articles

Composite

Of inorganic material

156625, 427128, 427129, 427130, 427131, 427264, 427275, 427307, 427355, 427402, 428693, 428900, B32B 900

Patent

active

053065735

ABSTRACT:
The invention relates to a process for producing a plurality of magnetoresistive sensors on the same substrate. The invention particularly has as its object to facilitate a polishing phase of this process. The process of the invention comprises depositing a layer of a magnetoresistive material on a substrate, and then forming in this layer a plurality of magnetoresistive elements. The process further comprises making, at the site of each sensor and before the depositing the magnetoresistive layer, an inclined surface, in such a way that each magnetoresistive element is formed on this inclined surface and exhibits an edge directed outward from the substrate.

REFERENCES:
IBM Technical Disclosure Bulletin, vol. 32, No. 4B, pp. 51-53, Armonk, N.Y., Sep. 1989, Magnetoresistive Magnetic Recording Sensor.
IBM Technical Disclosure Bulletin, vol. 21, No. 12, p. 5002, K. E. Petersen, Thin Film Magnetic Heads May, 1979.

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