Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1989-06-02
1992-08-18
Thibodeau, Paul J.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
428694, 428900, G11B 0500
Patent
active
051398842
ABSTRACT:
Provided according to the present invention are a perpendicular magnetic recording medium filled with a magnetic metal containing Fe as a main component in the fine pores of an alumite formed by anodic oxidation of a surface of an Al or Al alloy substrate, the particles of Fe in the filled magnetic metal being crystallographically discontinuous, and a process for the production thereof.
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patent: 4393110 (1983-07-01), Fukuda
patent: 4495074 (1985-01-01), Hagiwara et al.
patent: 4650708 (1987-03-01), Takahashi
patent: 4808279 (1989-02-01), Moskovits et al.
Patent Abstract of Japan, vol. 11, No. 256 (P-607) 2703, Aug. 20th, 1987, pp. 125, P 607 and JP-A 62-62417 (Mitsubishi Electric Corp.) Mar. 19, 1987 and JP-A-62-62418 (Hitachi Metals Ltd.) Mar. 19, 1987.
8108, I.E.E.E. Transactions on Magnetics MAG-22 (1986) Sep., No. 5, New York, N.Y., U.S.A.
Patent Abstract of Japan, vol. 11, No. 256b (P-607) 2703, Aug. 20th, 1987, p. 125, P 607; and JP-A-62-62419 (Pilot Precision Co.) Mar. 19, 1987.
Daimon Hideo
Fujiwara Hideo
Kitakami Osamu
Ogawa Yoichi
Hitachi Maxell Ltd.
Resan Stevan A.
Thibodeau Paul J.
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