Production of magnetic recording medium

Details Production of magnetic recording medium Production of magnetic recording medium

1992-01-17

1994-03-01

Pianalto, Bernard

Coating processes

Magnetic base or coating

Magnetic coating

4272555, B05D 512

Patent

active

052905900

ABSTRACT:
A magnetic recording medium, consisting essentially of a polymeric, web-like substrate and a coherent thin layer of a ferromagnetic material is produced in a reduced-pressure chamber by depositing a vapor jet of the ferromagnetic material onto the moving substrate surface which is fed on a cylindrical drum.

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patent: 4622271 (1986-11-01), Arai et al.
patent: 4652460 (1987-03-01), Shirahata et al.
patent: 4702938 (1987-10-01), Yasunaga et al.
patent: 4713262 (1987-12-01), Yasunaga et al.
patent: 4741922 (1988-05-01), Wales
patent: 4766034 (1988-08-01), Sato et al.
patent: 4801500 (1989-01-01), Yasunaga et al.

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