Method for preparing magnetic recording medium

Details Method for preparing magnetic recording medium Method for preparing magnetic recording medium

1987-09-08

1988-05-10

Pianalto, Bernard D.

Coating processes

Magnetic base or coating

Magnetic coating

427128, 427250, 4272551, 4272553, 4272555, 428900, H01F 1002

Patent

active

047434678

ABSTRACT:
A method of preparing a ferromagnetic recording medium is disclosed. The method includes charging a ferromagnetic material in an evaporator. The material is then irradiated with an electron beam having a beam current density of at least 0.1 A/cm.sup.2 in order to evaporate the material. The evaporated material is vapor deposited on a continuously travelling support in order to from the recording medium. The vapor deposition type magnetic recording medium produced has good metal film adhesion and durability.

REFERENCES:
patent: 4220117 (1980-09-01), Shinohara

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