Method of making a thin-film magnetic head

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

2006-11-14

2006-11-14

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S603070, C029S603030, C029S603150, C029S603140, C204S192340, C216S022000

Reexamination Certificate

active

07134183

ABSTRACT:
The method of making a thin-film magnetic head in accordance with the present invention forms a cover layer on an insulating layer about a magnetoresistive film so as to eliminate a protrusion riding on the magnetoresistive film. Then, the protrusion can be eliminated by etching. The part of insulating layer clad with the cover layer is not etched. This can prevent short-circuit from occurring because of thinning the insulating layer.

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patent: 6381107 (2002-04-01), Redon et al.
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patent: A 11-191206 (1999-07-01), None
patent: A 11-316919 (1999-11-01), None
patent: A 2002-204003 (2002-07-01), None

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