Method for production of magnetic recording media

Details Method for production of magnetic recording media Method for production of magnetic recording media

1983-12-08

1984-11-06

Pianalto, Bernard D.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427128, 427130, 427132, H01F 1002

Patent

active

044812310

ABSTRACT:
A method for the production of a magnetic recording medium is disclosed. The method involves coating a support base with a magnetic coating composition. The support base has a percent thermal shrinkage in the direction corresponding to the longitudinal direction of the support base of not more than 0.15%. The magnetic coating composition contains a compound having not less than two acrylate groups or methacrylate groups in the molecule and includes ferromagnetic fine powder dispersed therein. After coating the magnetic coating composition on the support base it is irradiated with an electron beam. The resulting medium has excellent electromagnetic properties, durability and improved tape skew characteristics. Further, the composition has good storage stability.

REFERENCES:
patent: 4343831 (1982-08-01), Tsuji et al.

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