Dynamic magnetic information storage or retrieval – Record medium
Patent
1985-04-10
1987-11-17
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record medium
360134, 360135, 360136, 428641, 428611, 428900, 428694, 427128, 427131, G11B 1500
Patent
active
047077565
ABSTRACT:
Disclosed is a perpendicular magnetic recording medium wherein an underlayer made of a material containing Si and/or Ge as its principal ingredient is deposited on a substrate, and a perpendicular magnetic film made of a Co-based alloy is deposited on the underlayer. With the perpendicular magnetic recording medium, the perpendicular magnetic film has an enhanced degree of C-axis orientation, and the bond strength between the perpendicular magnetic film and the substrate is also enhanced when the substrate is non-metallic.
REFERENCES:
patent: 4542062 (1985-09-01), Takada et al.
patent: 4576876 (1986-03-01), Shiiki et al.
Patents Abstracts of Japan, vol. 7, No. 17, Jan. 22, 1983, 57-173917, 10-26-82.
Futamoto Masaaki
Honda Yukio
Uesaka Yasutaro
Yoshida Kazuetsu
Bussan Matthew J.
Hitachi , Ltd.
Hitachi Maxell Ltd.
Wolff John H.
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