Method of manufacturing a thin-film magnetic head

Details Method of manufacturing a thin-film magnetic head Method of manufacturing a thin-film magnetic head

1994-03-22

1996-07-02

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

360113, 360125, G11B 542

Patent

active

055310168

ABSTRACT:
Method of manufacturing a thin-film magnetic head in which a main layer (5) of a non-magnetic material is formed on a support, which layer is recessed by removing material from a side remote from the support, said recess being subsequently filled up with a soft-magnetic material for forming a flux guide (17a, 17b), whereafter the main layer provided with the filled recess is mechanochemically polished for forming a main surface (19) at which subsequently a layer of a magnetoresistive material is provided for forming a magnetoresistive element (23).

REFERENCES:
patent: 4052748 (1977-10-01), Kuijk
patent: 4837924 (1989-06-01), Lazzari
patent: 5284572 (1994-02-01), Somers et al.
IBM Technical Disclosure Bulletin, vol. 27, No. 8, Jan. 1985, "Glass Planarization By Stop-Layer Polishing" by K. D. Beyer et al, pp. 4700-4701.

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