Coating processes – Magnetic base or coating – Magnetic coating
Patent
1991-03-13
1991-11-12
Pianalto, Bernard
Coating processes
Magnetic base or coating
Magnetic coating
427128, B05D 512
Patent
active
050646877
ABSTRACT:
A method for making a magnetic recording medium comprises the steps of mixing ferromagnetic grains and a surface treating agent, grinding the resulting mixture, and thus obtaining a ground mixture. A binder and a solvent are added to the ground mixture, which results from the mixing and grinding process, the resulting mixture is kneaded and diluted, and a kneaded and diluted mixture is thus obtained. An additive and a solvent are then added to the kneaded and diluted mixture, which results from the kneading and diluting process, a dispersion process is carried out on the resulting mixture, and a dispersion mixture is thereby obtained. Thereafter the dispersion mixture, which results from the dispersion process, is applied to a non-magnetic substrate.
Ejiri Kiyomi
Honda Kunihiko
Kiyama Masatoshi
Matsufuji Akihiro
Ohno Mikio
Fuji Photo Film Co. , Ltd.
Pianalto Bernard
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