Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1985-12-23

1989-03-28

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of metal

427 40, 427129, 427131, 427132, 427128, 428480, 428694, 428695, 428900, G11B 570

Patent

active

048163414

ABSTRACT:
In a magnetic recording medium comprising a base film and a magnetic layer formed on the base film, the base film has been plasma treated in an atmosphere consisting essentially of an inorganic gas containing N, H, and optionally O at frequencies in the range of 10 to 200 kHz. A perpendicular magnetizable metal thin film layer can be deposited on the plasma-treated surface of a resin substrate having a heat distortion temperature of at least 150.degree. C. without disturbance on the crystal structure of the layer.

REFERENCES:
patent: 4250225 (1981-02-01), Shirahata
patent: 4526806 (1985-07-01), Haque
patent: 4543268 (1985-09-01), Sidney
patent: 4548864 (1985-10-01), Nakayama
patent: 4575475 (1986-03-01), Nakayama
patent: 4582746 (1986-04-01), Shirahata
patent: 4594262 (1986-06-01), Kreil
patent: 4599266 (1986-07-01), Nakayama

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