Method and device for manufacturing magnetic recording medium

Details Method and device for manufacturing magnetic recording medium Method and device for manufacturing magnetic recording medium

1982-08-19

1984-05-22

Pianalto, Bernard D.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

118 50, 118718, 118720, 118730, 427 39, 427132, 427151, B05D 306

Patent

active

044501862

ABSTRACT:
The invention provides a method and a device for mass-producing a magnetic recording medium which has excellent wear and corrosion resistance and uniform quality along the longitudinal and transverse directions of an elongated base body, wherein the elongated base body in a vacuum chamber is fed to continuously deposit a ferromagnetic material thereon, while a gas is sprayed in the vicinity of an incident angle control section of a mask for controlling an angle of incidence of a vapor flow from a vapor source to the elongated base body. The angle of incidence is kept constant to prevent deposition of the vapor material on the incident angle control section, and simultaneously, a uniform oxide film is formed on the ferromagnetic layer using a gas containing oxygen.

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