Production of magnetic recording material

Details Production of magnetic recording material Production of magnetic recording material

1976-04-26

1978-04-25

Pianalto, Bernard D.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427132, H01F 1000

Patent

active

040863743

ABSTRACT:
An improved method of making a magnetic recording material comprises providing a ferromagnetic metal thin layer which has uniaxial anisotropy in any direction on a web by means of plating.
A plating solution is jetted onto the web through holes in a conveying pipe set in a plating bath. The web is then moved from the vicinity of the conveying pipe by the spouting force of the plating solution, and then conveyed along a helical path about the conveying pipe without contacting the surface of conveying pipe. Plating occurs while applying a magnetic field to the web.

REFERENCES:
patent: 2406287 (1936-08-01), Grimshaw
patent: 2865783 (1958-12-01), Henderson et al.
patent: 3261711 (1966-07-01), Sallo
patent: 3481046 (1969-12-01), Kuroki et al.
patent: 3814672 (1974-06-01), Kitamoto et al.

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