Magnetic recording medium, method of manufacturing the same...

Details Magnetic recording medium, method of manufacturing the same... Magnetic recording medium, method of manufacturing the same...

2002-07-17

2008-07-15

McDonald, Rodney G (Department: 1795)

Chemistry: electrical and wave energy

Processes and products

Coating, forming or etching by sputtering

C204S192200, C204S192140

Reexamination Certificate

active

07399386

ABSTRACT:
A magnetic recording medium using a plastic substrate as a non-magnetic substrate includes an adhesive layer that prevents film expansion even under severe conditions. The adhesive layer has a chemical affinity to the plastic substrate and is formed on the surface of the plastic substrate, and an underlayer and subsequent layers are formed over the adhesive layer. A polymerized carbon film is used as the adhesive layer.

REFERENCES:
patent: 4597844 (1986-07-01), Hiraki et al.
patent: 4772522 (1988-09-01), Kubota et al.
patent: 5766766 (1998-06-01), Sasaki et al.
patent: 61-267928 (1985-05-01), None
patent: 62-40614 (1987-02-01), None
patent: 62-114124 (1987-05-01), None
patent: 64-14716 (1989-01-01), None
patent: 1-243222 (1989-09-01), None

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