Thin film magnetic head, magnetic head device and magnetic...

Details Thin film magnetic head, magnetic head device and magnetic... Thin film magnetic head, magnetic head device and magnetic...

2006-04-18

2006-04-18

Cao, Allen (Department: 2652)

Dynamic magnetic information storage or retrieval

Head

Core

Reexamination Certificate

active

07031110

ABSTRACT:
A first magnetic film includes a first pole piece, and a second magnetic film includes a second magnetic piece. A gap film is disposed between the first pole piece and the second pole piece. The first magnetic film and the second magnetic film are magnetically joined with each other at a joint as viewed backward from the first pole chip and the second pole chip. A coil film winds vertically around the joint. Third magnetic films are disposed at both sides of the first pole piece or the second pole piece by a given distance.

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patent: 5802700 (1998-09-01), Chen et al.
patent: 6452743 (2002-09-01), Sasaki
patent: 2002/0176214 (2002-11-01), Shukh et al.

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