Process for preparing magnetic recording medium

Details Process for preparing magnetic recording medium Process for preparing magnetic recording medium

1986-04-10

1987-03-24

Pianalto, Bernard D.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427132, 427251, 427296, B05D 306

Patent

active

046524606

ABSTRACT:
A process for preparing a magnetic recording medium by forming a ferromagnetic thin film on a non-magnetic support moving along a rotating drum by a vapor deposition method is disclosed, comprising introducing a first oxidizing gas and then introducing a second oxidizing gas near the surface of the ferromagnetic film moving along the rotating drum and glow-discharging the second oxidizing gas, using a charging energy (G) for glow discharge per unit area of a ferromagnetic thin film surface of 1.0 W.multidot.sec/cm.sup.2 or more.

REFERENCES:
patent: 4477489 (1984-10-01), Yanai et al.
patent: 4511594 (1985-04-01), Yanai

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