Dynamic magnetic information storage or retrieval – Head – Magnetoresistive reproducing head
Reexamination Certificate
2007-09-25
2007-09-25
Castro, Angel (Department: 2627)
Dynamic magnetic information storage or retrieval
Head
Magnetoresistive reproducing head
C360S317000, C029S603140
Reexamination Certificate
active
11095533
ABSTRACT:
In formation of an upper shield of a magnetic thin film head by electroplating, a current density of electroplating is regulated stepwise with time. Thus, in the upper shield formation, a film composition and magnetic characteristic with respect to the direction of film thickness can be controlled precisely, making it possible to provide a magnetic thin film head featuring significantly reduced noise-after-write and output fluctuation.
REFERENCES:
patent: 4891278 (1990-01-01), Otomo et al.
patent: 5287237 (1994-02-01), Kitada et al.
patent: 6025978 (2000-02-01), Hoshi et al.
patent: 6358379 (2002-03-01), Kouchiyama
patent: 6687082 (2004-02-01), Ishiwata et al.
patent: 2001/0015878 (2001-08-01), Varga et al.
patent: 5-266432 (1993-10-01), None
patent: 11-16120 (1999-01-01), None
Ishikake Kenji
Kagawa Masayasu
Kojima Shuichi
Kondo Akira
Oikawa Gen
Castro Angel
Hitachi Global Storage Technologies Japan Ltd.
Magee Christopher R.
Mattingly ,Stanger ,Malur & Brundidge, P.C.
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