Process for the production of magnetic recording members

Details Process for the production of magnetic recording members Process for the production of magnetic recording members

1978-07-11

1982-10-19

Pianalto, Bernard D.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

427 38, 427 42, 427128, 427132, 427250, 427296, C23C 1500

Patent

active

043549080

ABSTRACT:
A process for the production of a magnetic recording member which comprises effecting electric field vapor deposition under conditions such that the angle of incidence at which the vapor beam of a ferromagnetic metal strikes a support is at least about 50.degree. and the electric field between the support and a vaporization source is at least about 5 kv/m.

REFERENCES:
patent: 3329601 (1967-07-01), Mattox
patent: 3342632 (1967-09-01), Bate et al.
patent: 3342633 (1967-09-01), Bate et al.
patent: 3516860 (1970-06-01), Simmons
patent: 3898952 (1975-08-01), Shirahata et al.
Schuele, pp. 2558-2559, Communications, Coercive Force of Angle of Incidence Films, Feb. 1964.
JOAP, vol. 36, No. 3, Mar. 65, Speliotis et al., Hard Magnetic Films of Iron, Cobalt and Nickel.
Bunshah Nov.-Dec. 1972, J. Vac. Sci. Tech., vol. 9, No. 8 The Influence . . . Deposition Process.

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