Method for manufacturing perpendicular magnetic recording...

Details Method for manufacturing perpendicular magnetic recording... Method for manufacturing perpendicular magnetic recording...

2005-10-11

2005-10-11

Kim, Paul D (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S603070, C029S603130, C029S603140, C029S603160, C029S603180, C205S112000, C205S119000, C216S039000, C216S041000, C360S122000, C360S123090, C360S125330, C360S125020, C360S125330, C360S317000, C451S005000, C451S041000

Reexamination Certificate

active

06952867

ABSTRACT:
The side edge of the main magnetic pole layer is prevented from protruding in the track width direction even when a skew angle is generated by forming the main magnetic pole layer of the opposing face opposing the recording medium as an inverted trapezoid, thereby enabling the occurrence of side fringing to be prevented.

REFERENCES:
patent: 4546398 (1985-10-01), Toda et al.
patent: 4636897 (1987-01-01), Nakamura et al.
patent: 4873599 (1989-10-01), Sueoka
patent: 5225953 (1993-07-01), Wada et al.
patent: 6385008 (2002-05-01), Santini et al.
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patent: 57-050436 (1982-03-01), None
patent: 01037703 (1989-02-01), None
patent: 8-106613 (1996-04-01), None
patent: 10-320720 (1998-12-01), None
patent: 2000-339626 (2000-12-01), None
“Interaction between head and recording medium in perpendicular recording”; Hokkyo, J.; Saito, I.; Satake, S.; Magnetics, IEEE Transactions on , vol.: 16 , Issue: 5 , Sep. 1980; pp.:887-889.
Copy of Office Action dated Aug. 10, 2004 for Japanese Patent Application No. 2000-394663.

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