DocumentCode
1030966
Title
Magnetic discs using anodic oxidized aluminium substrates
Author
Tsuya, N. ; Tokushima, T. ; Shiraki, M. ; Wakui, Y. ; Umehara, Y. ; Saito, Y. ; Nakamura, H. ; Katsumata, Y. ; Iwasaki, S. ; Nakamura, Y.
Author_Institution
Hosei University, Tokyo, Japan
Volume
23
Issue
5
fYear
1987
fDate
9/1/1987 12:00:00 AM
Firstpage
2242
Lastpage
2244
Abstract
Details are given of a method of measuring perpendicular magnetic alumite discs using anodization with an additional new process called "pore widening" which is effective in controlling the coercive force. Electro-deposited fine iron needles were in a single crystalline state, and the perpendicular orientation of magnetization was confirmed. The resulting magnetic recording characteristics of the rigid discs were satisfactory, indicating usefulness of the method as a perpendicular recording medium.
Keywords
Aluminum materials/devices; Disk recording; Perpendicular magnetic recording; Aluminum; Coercive force; Crystallization; Force control; Force measurement; Iron; Magnetic recording; Magnetization; Needles; Perpendicular magnetic recording;
fLanguage
English
Journal_Title
Magnetics, IEEE Transactions on
Publisher
ieee
ISSN
0018-9464
Type
jour
DOI
10.1109/TMAG.1987.1065643
Filename
1065643
Link To Document