Magnetic recording medium, production process thereof,...

Details Magnetic recording medium, production process thereof,... Magnetic recording medium, production process thereof,...

2005-01-18

2005-01-18

Resan, Stevan A. (Department: 1773)

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

C428S141000, C428S336000, C428S680000, C428S690000, C428S690000

Reexamination Certificate

active

06844046

ABSTRACT:
An object of the present invention is to provide a process for easily producing a magnetic recording medium exhibiting excellent magnetic characteristics. In the present invention, an orientation-determining film is formed on a non-metallic substrate which has undergone texturing, the orientation-determining film is subjected to oxidation or nitridation, and a non-magnetic undercoat film and a magnetic film are formed on the film.

REFERENCES:
patent: 5314745 (1994-05-01), Okumura
patent: 5480733 (1996-01-01), Okumura et al.
patent: 6248395 (2001-06-01), Homola et al.
patent: 6569545 (2003-05-01), Kanbe et al.
patent: 6596420 (2003-07-01), Kanbe et al.
patent: 05-197941 (1993-08-01), None
patent: 09-167337 (1997-06-01), None

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