Stock material or miscellaneous articles – Composite – Of inorganic material
Patent
1988-02-16
1989-10-10
Thibodeau, Paul J.
Stock material or miscellaneous articles
Composite
Of inorganic material
427 431, 427128, 427131, 427132, 428900, G11B 570
Patent
active
048731293
ABSTRACT:
A coating magnetic recording medium which comprises two or more kinds of magnetic films different from one another provided on the same side surface of a non-magnetic substrate.
REFERENCES:
patent: 4410590 (1983-10-01), Kawahara
patent: 4439795 (1984-03-01), Kitamoto
patent: 4439796 (1984-03-01), Kitamoto
patent: 4506000 (1985-03-01), Kubota
patent: 4511629 (1985-04-01), Konno
patent: 4624883 (1986-11-01), Yamaguchi
patent: 4624894 (1986-11-01), Kishimoto
patent: 4741953 (1988-05-01), Katsuta
patent: 4746580 (1988-05-01), Bishop
Hitachi , Ltd.
Thibodeau Paul J.
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