Magnetic recording medium and production process thereof

Details Magnetic recording medium and production process thereof Magnetic recording medium and production process thereof

2006-08-08

2006-08-08

Rickman, Holly (Department: 1773)

Stock material or miscellaneous articles

Magnetic recording component or stock

Thin film media

C428S828000

Reexamination Certificate

active

07087325

ABSTRACT:
The present invention relates to a magnetic recording medium, which has excellent magnetic characteristics. The present invention also relates to a method for producing a magnetic recording medium where a plurality of targets are repeatedly sputtered several times in sequential order to form non-magnetic and magnetic films on a substrate.

REFERENCES:
patent: 5006388 (1991-04-01), Kuzuo et al.
patent: 5447781 (1995-09-01), Kano et al.
patent: 5679473 (1997-10-01), Murayama et al.
patent: 5750270 (1998-05-01), Tang et al.
patent: 5759617 (1998-06-01), Mukai
patent: 5762766 (1998-06-01), Kurita et al.
patent: 5789088 (1998-08-01), Nakai et al.
patent: 1-232522 (1989-09-01), None
patent: 8-212532 (1996-08-01), None
Patent Abstracts of Japan, abstracting JP-A-1-232522 of Sep. 18, 1989.
Patent Abstracts of Japan, abstracting JP-A-8-212532 of Aug. 20, 1996.

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