Recording and reproducing device which includes a protective fil

Details Recording and reproducing device which includes a protective fil Recording and reproducing device which includes a protective fil

1993-09-27

1995-06-20

Resan, Stevan A.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428338, 428421, 428422, 428447, 428448, 428450, 428694TF, 428900, 360122, 360134, 360135, G11B 500

Patent

active

054259886

ABSTRACT:
A recording and reproducing device is provided. The device comprises a recording medium, a head giving and receiving recording signals to or from the recording medium, and a mechanism section and a circuit section giving and receiving the recording signals, wherein at least one protective film, and at least one fluorine-containing monomolecular film are formed in this order on the recording layer of the recording medium or on the surface of the head which comes into contact with said recording layer, wherein said protective film is a metal film, oxidized metal film, semi-conductor film, oxidized semi-conductor film, or organic monomolecular film, and wherein said fluorine-containing monomolecular film is formed by the chemical adsorption of a specific-type of silane compound that contains a perfluoroalkyl group at the molecular end on the surface of the protective film.

REFERENCES:
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patent: 4152487 (1979-05-01), Yanagisawa
patent: 4529659 (1985-07-01), Hoshino et al.
patent: 4583145 (1986-04-01), Monnich et al.
patent: 4902585 (1990-02-01), Ogawa et al.
patent: 4992316 (1991-02-01), Ogawa
patent: 5001963 (1991-04-01), Ogawa et al.
Copy of Communication from European Patent Office dated Sep. 15, 1993.
Search Report re EPA No. 91114994.6 dated Dec. 18, 1991.

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