Apparatus for manufacturing magnetic recording medium

Details Apparatus for manufacturing magnetic recording medium Apparatus for manufacturing magnetic recording medium

1991-01-15

1992-06-23

Bueker, Richard

Coating apparatus

Gas or vapor deposition

Running length work

118715, 118725, C23C 1600

Patent

active

051233762

ABSTRACT:
An apparatus for manufacturing a magnetic recording medium, including a device for oxidizing the surface of a thin magnetic film formed on a flexible carrier. A hermetic chamber is provided including a roll loading chamber for accommodating a supply roll of the carrier on which the thin magnetic film has been deposited in advance, a processing chamber, and a roll takeout chamber for accommodating a take-up roll of the carrier. A rotatable heating roll is disposed in the processing chamber. The carrier is guided from the supply roll accommodated in the roll loading chamber into the processing chamber and through a predetermined angle along the surface of the heating roll and then to the take-up roll accommodated in the takeout chamber. A baffle plate is provided near a peripheral surface of a portion of the heating roll on which the carrier is wound, and a plurality of nozzle units are provided in the plate for blowing gaseous oxygen or ozone toward the magnetic film.

REFERENCES:
patent: 3296014 (1967-01-01), Williams
patent: 4643915 (1987-02-01), Arai et al.

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