Magnetic recording material

Details Magnetic recording material Magnetic recording material

1987-12-15

1990-01-23

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

427130, 427131, 427132, 428433, 428469, 428694, 428900, G11B 564

Patent

active

048957623

ABSTRACT:
In construction of a magnetic recording material having overlaid anodic oxide layers and well suited for perpendicular magnetic recording, a substrate is made of a hard material and Al predominant layers of 0.1 to 2 .mu.m thickness and formed on the substrate as a base for the overlaid anodic oxide layers for improvement in mechanical properties with acceptable magnetic recording characteristics.

REFERENCES:
patent: 4109287 (1978-08-01), Kawai et al.
patent: 4548682 (1985-10-01), Yoshida et al.
patent: 4563397 (1986-01-01), Ishiguro et al.
patent: 4650708 (1987-03-01), Takahashi
patent: 4659606 (1987-04-01), Wada et al.

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