Method of making a thin film insulator

Details Method of making a thin film insulator Method of making a thin film insulator

1983-08-08

1985-04-23

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

4271264, 427127, 4273722, 4273977, 4273978, 4274193, 4274194, 4274432, B05D 512

Patent

active

045128626

ABSTRACT:
In magnetic heads it is often necessary to place conductive films on a ferrite substrate. If the ferrite is conductive, an insulative film is required between the ferrite substrate and the conductive film. A thin insulative film can be formed on a surface of the ferrite substrate by alternately dipping the substrate in solutions containing particles of silica and alumina.

REFERENCES:
patent: 3206329 (1965-09-01), Hickle
patent: 3318731 (1967-05-01), Blum
patent: 3656229 (1972-04-01), Sakurai et al.
patent: 3730766 (1973-05-01), Nishimatsu et al.
R. K. Iler, "Multilayers of Colloidal Particles", Journal of Colloid and Interface Science 21, pp. 569-594, Jun. 1966.

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