Magnetic head and method of manufacturing the same

Details Magnetic head and method of manufacturing the same Magnetic head and method of manufacturing the same

2005-03-29

2005-03-29

Chen, Tianjie (Department: 2652)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

Reexamination Certificate

active

06873498

ABSTRACT:
A magnetic head has a narrow upper magnetic pole and is capable of restricting side erasure and record bleeding. The magnetic head is capable of writing data on a recording medium, and includes an upper magnetic pole including a pole section which faces the recording medium and has a prescribed width, and a lower magnetic pole including grooves respectively formed on the both sides of the pole section. A level of edges of the grooves are lower than that of an upper face of the lower magnetic pole.

REFERENCES:
patent: 5966277 (1999-10-01), Koshikawa et al.
patent: 6538844 (2003-03-01), Takano et al.
patent: 6556377 (2003-04-01), Chen et al.
patent: 6631054 (2003-10-01), Miyazaki et al.
patent: 20020191351 (2002-12-01), Santini
patent: 11-007608 (1999-01-01), None
patent: 11007608 (1999-01-01), None

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