Dynamic magnetic information storage or retrieval – Record medium – Disk
Patent
1997-03-18
1999-07-27
Evans, Jefferson
Dynamic magnetic information storage or retrieval
Record medium
Disk
428694TR, G11B 572
Patent
active
059300914
ABSTRACT:
In order to provide a magnetic disk apparatus and a magnetic disk which is excellent in reliability and durability, and which enables high density recording, respectively, this invention provides a method for forming fine concave and convex portions (uneven area) on the magnetic disk by coating masking material particles only in the CSS area on the magnetic disk, etching the magnetic disk, and removing the masking material particles.
REFERENCES:
patent: 5504646 (1996-04-01), Tanaka et al.
patent: 5550696 (1996-08-01), Nguyen
patent: 5576918 (1996-11-01), Bar-Gadda et al.
patent: 5604014 (1997-02-01), Onodera
patent: 5618448 (1997-04-01), Kuroe et al.
patent: 5626935 (1997-05-01), Goto et al.
patent: 5635269 (1997-06-01), Weir et al.
patent: 5680285 (1997-10-01), Nakamura et al.
patent: 5718811 (1998-02-01), Chen et al.
patent: 5721033 (1998-02-01), Teng et al.
patent: 5729399 (1998-03-01), Albrecht et al.
Endo Yoshishige
Fujise Kazuhiro
Matsumoto Hiroshi
Moriguchi Yoshihiro
Ono Masahiko
Evans Jefferson
Hitachi , Ltd.
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