Thin-film magnetic head, head gimbal assembly and hard disk...

Details Thin-film magnetic head, head gimbal assembly and hard disk... Thin-film magnetic head, head gimbal assembly and hard disk...

2005-08-17

2008-10-14

Chen, Tianjie (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

Reexamination Certificate

active

07436633

ABSTRACT:
A parasitic capacity C4generated between a slider substrate and the first shield layer with the first insulating layer as a capacity layer is made substantially equal to a parasitic capacity C2occurring between a lower magnetic layer and the second shield layer with the third insulating layer as a capacity layer. Preferably, a connection is made between the lower magnetic layer and the slider substrate by a resistance of preferably 100 (Ω) or lower. Thus, it is possible to provide a thin-film magnetic head that can hold back deterioration in a reproducing device and the occurrence of errors due to crosstalk between a recording device and the reproducing device and extraneous noises.

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