Thin-film magnetic head, head gimbal assembly with thin-film...

Details Thin-film magnetic head, head gimbal assembly with thin-film... Thin-film magnetic head, head gimbal assembly with thin-film...

2008-05-13

2008-05-13

Castro, Angel (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Core

Reexamination Certificate

active

07372667

ABSTRACT:
A thin-film magnetic head comprising an inductive element including at least: a lower magnetic pole; a write gap layer; and an upper magnetic pole opposed to the lower magnetic pole through the write gap layer, a width WP2in a track-width direction at a facing-to-magnetic-medium top end of the upper magnetic pole being larger than a width WP1in the track-width direction at a facing-to-magnetic-medium top end of the lower magnetic pole, and a distance FPDP2between the top end of the upper magnetic pole and a flare point of the upper magnetic pole being smaller than a distance FPDP1between the top end of the lower magnetic pole and a flare point of the lower magnetic pole, is provided.

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U.S. Appl. No. 11/738,686, filed Apr. 23, 2007, Hirabayashi et al.

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