Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified
Patent
1986-05-30
1989-04-25
Thibodeau, Paul J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Physical dimension specified
2041922, 20419231, 427131, 427132, 428422, 428694, 428695, 428900, G11B 564
Patent
active
048247243
ABSTRACT:
A magnetic recording medium is provided comprising a non-magnetic substrate, a magnetic metal layer of continuous thin film type deposited on the substrate, and a topcoat film on the magnetic layer. The topcoat film is formed by sputtering or ion plating a fluorocarbon resin so that it consists essentially of carbon and fluorine, and fluorine atoms of the topcoat film are chemically combined with metal atoms of the magnetic layer in proximity to the interface.
REFERENCES:
patent: 4260466 (1981-04-01), Shirahata
patent: 4390601 (1983-06-01), Ono
patent: 4419404 (1983-12-01), Arai
patent: 4429024 (1984-01-01), Ueno
patent: 4495242 (1983-01-01), Arai
patent: 4521482 (1985-06-01), Arai
patent: 4529651 (1985-07-01), kitoo
patent: 4565734 (1986-01-01), Arai
patent: 4582746 (1986-04-01), Shinahata
Nakayama Masatoshi
Takasugi Yasufumi
Ueda Kunihiro
TDK Corporation
Thibodeau Paul J.
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