Perpendicular magnetic recording head including nonmagnetic...

Dynamic magnetic information storage or retrieval – Head – Core

Reexamination Certificate

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Reexamination Certificate

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06903900

ABSTRACT:
A perpendicular magnetic recording head includes: an auxiliary pole layer; a main pole layer; a coil layer for providing a recording magnetic field to the auxiliary pole layer and the main pole layer; a nonmagnetic layer; and a connection layer magnetically coupled to the main pole layer. The nonmagnetic layer is formed on the main pole layer to maintain the main pole layer at a predetermined height during manufacture, allowing independent control of the track width Tw and the height of the main pole layer. A method for manufacturing the perpendicular magnetic recording head is also provided.

REFERENCES:
patent: 4438471 (1984-03-01), Oshiki et al.
patent: 4546398 (1985-10-01), Toda et al.
patent: 4636897 (1987-01-01), Nakamura et al.
patent: 4873599 (1989-10-01), Sueoka
patent: 4899434 (1990-02-01), Roberts
patent: 4974110 (1990-11-01), Kanamine et al.
patent: 5027246 (1991-06-01), Numazawa et al.
patent: 5075280 (1991-12-01), Pisharody et al.
patent: 5408373 (1995-04-01), Bajorek et al.
patent: 5649351 (1997-07-01), Cole et al.
patent: 6226149 (2001-05-01), Dill et al.
patent: 6513228 (2003-02-01), Khizroev et al.
patent: 6687084 (2004-02-01), Takahashi et al.
patent: 6697221 (2004-02-01), Sato et al.
patent: 2002/0006013 (2002-01-01), Sato et al.
patent: 63-195815 (1988-08-01), None
patent: 07-262519 (1995-10-01), None
patent: 8-106613 (1996-04-01), None
patent: 08-106613 (1996-04-01), None
patent: 10-320720 (1998-12-01), None
patent: 2000-099916 (2000-04-01), None
patent: 2000-394723 (2004-05-01), None

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