Magnetic recording medium having a subbing layer of amorphous sa

Details Magnetic recording medium having a subbing layer of amorphous sa Magnetic recording medium having a subbing layer of amorphous sa

1983-07-21

1985-03-12

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

252 6254, 428480, 428483, 428692, 428694, 4284237, B32B 702, B32B 2706

Patent

active

045045429

ABSTRACT:
A magnetic recording medium is disclosed. The medium is comprised of a support base having position thereon a subbing layer and a magnetic layer. The subbing layer is comprised of an amorphous saturated polyester having a glass transition temperature of 10.degree. C. to 60.degree. C. The recording medium provided has excellent adhesiveness between the magnetic layer and the support due to the presence of the subbing layer. Furthermore, the resulting magnetic recording medium provides excellent electromagnetic characteristics such as a desirable video S/N ratio.

REFERENCES:
patent: 3387995 (1968-06-01), Senkpiel et al.
patent: 3730767 (1973-05-01), Akashi et al.
patent: 4132552 (1979-01-01), Van Paesschen et al.
patent: 4183976 (1980-01-01), Yamada et al.
patent: 4210703 (1980-07-01), Scantlin et al.

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