Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1982-07-12

1984-06-12

Robinson, Ellis P.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

360134, 360135, 360136, 204192M, 427132, 428457, 428458, 428692, 428694, 428900, G11B 570

Patent

active

044541953

ABSTRACT:
A magnetic recording medium has a magnetic recording layer comprising from 75 to 90% by weight of Co and up to 5% by weight of Cr, the rest being V. The magnetic recording layer has an easy magnetization axis in the perpendicular direction to the layer surface. The magnetic recording medium is prepared by sputtering a composition of Co-V-Cr onto a substrate at an industrially feasible deposition speed of at least 3000 .ANG./min to form the above mentioned recording layer on the substrate.

REFERENCES:
patent: 3206325 (1965-09-01), Averbach
patent: 4226681 (1980-10-01), Shirahata
patent: 4407894 (1983-10-01), Kadokura

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