Process of producing a magnetic recording medium

Details Process of producing a magnetic recording medium Process of producing a magnetic recording medium

1997-04-02

2000-09-19

Pianalto, Bernard

Coating processes

Magnetic base or coating

Magnetic coating

427130, 427132, B05D 512

Patent

active

061208361

ABSTRACT:
A magnetic recording medium is disclosed, comprising a nonmagnetic support having a magnetic layer comprising a ferromagnetic metal thin film formed on at least one side surface of the nonmagnetic support, and an undercoating layer, wherein the undercoating layer is formed between the nonmagnetic support and the magnetic layer; and the undercoating layer comprises a silica film or metal oxide film comprising heat-resistant fine particles. A process for producing the magnetic recording medium is also disclosed.

REFERENCES:
patent: 5139849 (1992-08-01), Takagi et al.
patent: 5294312 (1994-03-01), Chin
Ceramics Society of Japan, 1991-nenkai Koenyoko-shu (Ann. Meeting, 1991, Preprints of Papers), p. 95(Coating of Sol-Gel Derived Films on Polyimide and Its Effect on Water Permeability. N. Tohge O.H. Sakatani, T. Minaami (U. Osaka Pref.) (No Month Avail.).

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