Magnetic recording medium and method for producing same

Stock material or miscellaneous articles – Self-sustaining carbon mass or layer with impregnant or...

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428457, 428694TC, 428694TP, 428900, 427130, 427131, 427577, 20419215, 20419216, G11B 0572

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active

059452196

ABSTRACT:
A magnetic recording medium having at least a thin magnetic metal film and a carbon protective film formed on a non-magnetic substrate, wherein lubricating properties are afforded to a surface portion of the carbon protective film. Specifically, the carbon protective film having a lower layer exhibiting rust-proofing properties and/or an upper layer exhibiting lubricating properties is formed on the thin magnetic metal film. The magnetic recording medium has a good running performance, durability and preservability.

REFERENCES:
patent: 4735848 (1988-04-01), Kodo et al.
patent: 4833031 (1989-05-01), Kurokawa et al.
patent: 5110676 (1992-05-01), Murai et al.
patent: 5275850 (1994-01-01), Kitoh et al.
Patent Abstracts of Japan, vol. 12, No. 309 (p-748), Aug. 23, 1988 and JP-A-63 079230 (Fuji Electric Co., Ltd.), Apr. 9, 1988.

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