Fabrication of iron oxide pattern

Details Fabrication of iron oxide pattern Fabrication of iron oxide pattern

1975-07-02

1977-05-31

Smith, Ronald H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427229, 427272, 427273, 427287, 428432, 20415914, 156659, B05D 302, B05D 306

Patent

active

040270521

ABSTRACT:
Patterned 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), Dubose
patent: 3352888 (1967-11-01), Matsumago
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
patent: 3833396 (1974-09-01), Kammlott et al.
patent: 3837855 (1974-09-01), Rousseau et al.

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