Fabrication of an iron oxide film

Details Fabrication of an iron oxide film Fabrication of an iron oxide film

1975-07-02

1977-05-31

Smith, Ronald H.

Coating processes

Heat decomposition of applied coating or base material

427341, 427377, 427378, B05D 302, B05D 304

Patent

active

040270564

ABSTRACT:
Iron oxide films are produced on substrates by oxidative decomposition of polyvinyl ferrocene. The polymer may be applied to the substrate in the form of a solution by spinning. Resultant films may be relatively soluble or relatively insoluble in acidic media depending upon processing conditions. Soluble films are of interest for hard copy masks designed for use in the fabrication of printed circuits. Such masks may be pattern-delineated by photoresist techniques or by selective insolubilization. Alternatively, patterns may result from selective deposition or removal of the polymer prior to decomposition.

REFERENCES:
patent: 3335008 (1967-08-01), Dubosc
patent: 3352888 (1967-11-01), Matsuamago
patent: 3437634 (1969-04-01), Neuse
patent: 3490907 (1970-01-01), Schenk
patent: 3577235 (1971-04-01), Contais
patent: 3681227 (1972-08-01), Szupillo
patent: 3695908 (1972-10-01), Szupillo
patent: 3751247 (1973-08-01), Swan
patent: 3824100 (1974-07-01), Griest

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