Process of making a magnetic recording medium

Details Process of making a magnetic recording medium Process of making a magnetic recording medium

1975-10-24

1978-12-05

Pianalto, Bernard D.

Coating processes

Magnetic base or coating

Magnetic coating

427131, 427132, H01F 1000

Patent

active

041286723

ABSTRACT:
A process for the manufacture of rigid magnetic recording media by depositing a cobalt-containing ferromagnetic metal layer on a non-magnetic metallic base disc provided with a cured layer of binder which does not dissolve or swell in organic solvents and contains non-magnetic pigments, and which has been activated, before deposition of the ferromagnetic layer, by treatment with a solution of a palladium (O) complex in an organic solvent, followed by decomposition of this complex, to prepare it to receive the ferromagnetic metal layer which is produced by electroless deposition.

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patent: 3767369 (1973-10-01), Barlow et al.
patent: 3801368 (1974-04-01), Fusayama et al.
patent: 3959553 (1976-05-01), Hartmann et al.

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