Texturing method

Details Texturing method Texturing method

1997-12-23

1999-05-04

Morgan, Eileen P.

Abrading

Abrading process

Glass or stone abrading

451 59, 451 36, 451304, 451307, B24B 2100

Patent

active

058997946

ABSTRACT:
A method for polishing or texturing a magnetic disc, comprises bringing a tape traveled in a predetermined direction and made of fibers having a fineness of not more than 0.1 denier, and a slurry containing polishing grains dispersed therein, into contact with a substrate of the magnetic disc. Such method has an extremely low surface roughness (Ra) and an extremely low maximum projection height (Rp) with an excellent high accuracy, thereby efficiently producing a magnetic recording medium which is free from head crash and errors upon reading and writing of information.

REFERENCES:
patent: 5148639 (1992-09-01), Sakai et al.
patent: 5207759 (1993-05-01), Mehmandoust et al.
patent: 5209027 (1993-05-01), Ishida et al.
patent: 5307593 (1994-05-01), Lucker et al.
patent: 5443415 (1995-08-01), Shebanow et al.
patent: 5490809 (1996-02-01), Jones et al.

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