Method of producing magnetic disk

Details Method of producing magnetic disk Method of producing magnetic disk

1988-06-07

1989-06-27

Lieberman, Paul

Abrasive tool making process, material, or composition

Miscellaneous

51295, 51308, 51309, 428329, 428143, 428331, B24D 300

Patent

active

048426180

ABSTRACT:
A method of producing a magnetic disk by lapping a magnetic disk medium, comprising the steps of: preparing a lapping tape having an abrasive particle layer provided with abrasive particle clusters and chip pockets formed between adjacent two clusters, each of said clusters having abrasive particles of Al.sub.2 O.sub.3 or SiC and abrasive particles of diamond, lapping the surface of said magnetic disk medium by using the thus prepared lapping tape.

REFERENCES:
patent: 4047232 (1977-09-01), Hisagen et al.
patent: 4246003 (1981-01-01), Regler et al.
patent: 4275108 (1981-06-01), Yamaguchi et al.
patent: 4608293 (1986-08-01), Wada et al.
patent: 4668568 (1987-05-01), Fujiyama et al.

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