Magnetic tape surface treatment method and apparatus

Details Magnetic tape surface treatment method and apparatus Magnetic tape surface treatment method and apparatus

1995-10-23

1997-09-23

Rose, Robert A.

Abrading

Abrading process

Utilizing nonrigid tool

451 9, 451 10, 451309, 451168, 451169, B24B 100

Patent

active

056698046

ABSTRACT:
In a magnetic tape surface treatment method and apparatus for rubbing together a magnetic tape and a lapping tape and thereby removing projections and adhered matter from the magnetic surface to the magnetic tape pressurized air is blown onto the tapes to prevent the formation of an air film between the contacting surfaces of the two tapes. This enhances the contact quality and improves the surface treatment efficiency.
Also uniformity of the surface treatment effect is enhanced by simultaneously controlling the tensions in the magnetic tape before and after the two tapes make contact.

REFERENCES:
patent: 3193410 (1965-07-01), Forrest et al.
patent: 4254585 (1981-03-01), Schoettle et al.
patent: 4858265 (1989-08-01), Suzuki et al.
patent: 5203119 (1993-04-01), Cole
patent: 5237779 (1993-08-01), Ota
patent: 5431592 (1995-07-01), Nakata

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