Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1996-03-19

1998-08-18

Resan, Stevan A.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428323, 428328, 4284259, 428694BU, 428694BL, 428694BA, 428694BG, 428900, G11B 5702

Patent

active

057956456

ABSTRACT:
A magnetic recording medium is disclosed, comprising a magnetic layer comprising a ferromagnetic powder and a binder provided on one side of a non-magnetic support and a backing layer provided on another side of said non-magnetic support, wherein said ferromagnetic powder is a ferromagnetic metal powder comprising Fe as a main component Co and containing Y in an amount of from 1 to 5 atm-% based on the total weight of Fe and Co in said ferromagnetic metal powder, and said binder comprises a polyurethane mainly comprising a diol component composed of a polyether polyol and a polyester polyol and a polyisocyanate component.

REFERENCES:
patent: 4286022 (1981-08-01), Vermillion et al.
patent: 5165999 (1992-11-01), Ushimaru et al.
patent: 5451464 (1995-09-01), Abe et al.
patent: 5527603 (1996-06-01), Isobe et al.
patent: 5578376 (1996-11-01), Hashimoto et al.
Patent Abstracts of Japan, vol. 18, No. 264 (P-1740), 19 May 1994.

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