Thin-film magnetic head having magnetic layer with...

Details Thin-film magnetic head having magnetic layer with... Thin-film magnetic head having magnetic layer with...

2011-06-14

2011-06-14

Blouin, Mark (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Core

Reexamination Certificate

active

07961428

ABSTRACT:
Provided is a thin-film magnetic having improved write characteristics in the high-frequency band. The head comprises an electromagnetic coil element comprising upper and lower magnetic layers, a write gap layer and a write coil layer, and in the electromagnetic coil element, at least one non-magnetic layer is provided within the upper magnetic layer, and further, an upper surface, a lower surface, at least a portion of a front surface and at least a portion of a rear surface of the non-magnetic layer are covered with magnetic material of at least one of the upper magnetic layer and the lower magnetic layer.

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patent: A-08-102013 (1996-04-01), None
patent: A-11-025419 (1999-01-01), None

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