Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1987-08-07
1989-06-06
Pianalto, Bernard
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
427128, 427129, 427130, 427240, 427346, 427425, 427426, 427427, 427428, 4274431, H01F 1002
Patent
active
048370460
ABSTRACT:
Disclosed is a method for forming a ferrite film comprising, flowing downward or spraying an aqueous oxidizing agent solution on a substrate in a deoxidized atmosphere and simultaneously supplying an aqueous deoxidized solution containing at least ferrous ions, to effect a ferrite crystallization reaction on the substrate. This ferrite film is used for magnetic recording media, photomagnetic recording media, magnetic heads, etc.
REFERENCES:
patent: 2956900 (1960-10-01), Carlson et al.
patent: 3642521 (1972-02-01), Moltzan et al.
Abe Masanori
Ishikawa Katsukiyo
Oishi Masao
Saito Takao
Tamaura Yutaka
Nippon Paint Co. Ltd.
Pianalto Bernard
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