Apparatus for making a magnetic recording medium

Details Apparatus for making a magnetic recording medium Apparatus for making a magnetic recording medium

1984-03-15

1985-02-26

Pianalto, Bernard D.

Coating apparatus

Gas or vapor deposition

Running length work

118 50, 118 501, 118720, 118722, 118724, C23C 1308

Patent

active

045012253

ABSTRACT:
A magnetic metal deposition material contained in a hearth is heated and evaporated in a vacuum to form a flow of vapor, which is then ionized and converged toward a predetermined deposition surface of a flexible substrate. The flexible substrate is moved obliquely downwardly along a convex course by sliding contact with the curved surface of a fixed curved guiding body between a pair of guide rollers located at different heights above the hearth. The fixed curved guiding body communicates with a coolant source for cooling the substrate moving in contact therewith and may be provided with oscillators. Thus a thin film of the magnetic metal is deposited on the convex surface of the substrate.

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

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