Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1998-09-09

2000-08-29

Resan, Stevan A.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428408, 428694TC, G11B 0572

Patent

active

061105848

ABSTRACT:
A magnetic recording medium having an excellent sliding durability, and including a magnetic layer of a metal magnetic thin film formed on a non-magnetic support body and a carbon protection film formed on the magnetic layer. Recording and/or reproduction is carried out by sliding a magnetic head. The carbon protection film shows, in a Raman spectrum obtained by Raman spectrum analysis using an argon ion laser having a wavelength of 514.5 nm, an intensity ratio A/B of 2 or above for a main peak intensity A appearing in the vicinity of wave number 1550 cm.sup.-1 with respect to a background intensity B.

REFERENCES:
patent: 5045165 (1991-09-01), Yamashita
patent: 5614314 (1997-03-01), Itoh et al.

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