Process for producing magnetic recording medium

Details Process for producing magnetic recording medium Process for producing magnetic recording medium

G - Physics

11

B

204/91.82

G11B 5/64 (2006.01) C23C 14/32 (2006.01) G11B 5/84 (2006.01) H01F 41/14 (2006.01) H01F 41/20 (2006.01)

Patent

CA 1162113

ABSTRACT A process for producing a magnetic recording medium, which comprises heating a crucible containing a ferromagnetic material in a high vacuum corres- ponding to a pressure of 8 x 10-4 torr or lower thereby vaporizing the ferromagnetic material, impinging accelerated electrons from an electron radiation source against the vapor particles to ionize them, and accelerating the resulting ionized vapor particles in an electric field and impinging them against a substrate composed of a non-magnetic material thereby forming a ferromagnetic thin film thereon.

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