Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1984-07-10

1986-03-11

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of polyester

360134, 360135, 360136, 427 40, 427129, 427128, 427131, 427132, 428694, 428900, G11B 570

Patent

active

045754756

ABSTRACT:
In a magnetic recording medium comprising a plastic base film and a magnetic layer formed thereon, the base film is plasma treated at frequencies in the range of 10 kHz to 200 kHz in an inorganic gas such as argon and nitrogen and preferably, in an inorganic gas containing at least 5% of oxygen.

REFERENCES:
patent: 3639134 (1972-02-01), Stegmeiier
patent: 3898952 (1975-08-01), Shirahata
patent: 4220117 (1980-09-01), Shinohara
patent: 4250225 (1981-02-01), Shirahata
patent: 4260466 (1981-04-01), Shirahata
patent: 4323629 (1982-04-01), Kunieda
patent: 4337279 (1982-06-01), Bolak
patent: 4418126 (1983-11-01), Izumi
patent: 4429024 (1984-01-01), Meno
patent: 4450186 (1984-05-01), Shinohara
patent: 4472467 (1984-09-01), Tamaki

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