Magnetic recording medium having a calendered polyester layer wi

Details Magnetic recording medium having a calendered polyester layer wi Magnetic recording medium having a calendered polyester layer wi

1994-10-25

1996-07-02

Resan, Stevan A.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428323, 428336, 428480, 428694SL, 428694BS, 428900, G11B 5704

Patent

active

055320490

ABSTRACT:
The disclosure describes a high-density magnetic recording medium comprising a biaxially oriented, laminated polyester film which is coextruded, so that a polyester A layer subject to plastic deformation by calendering treatment forms one of the surfaces of a base film, and

REFERENCES:
patent: 4687700 (1987-08-01), Hensel et al.
patent: 5324571 (1994-06-01), Koyama et al.
patent: 5340635 (1994-08-01), Isobe et al.
patent: 5358777 (1994-10-01), Kojima et al.
patent: 5364684 (1994-11-01), Sakamoto et al.

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