Photoimaging process which uses sulfide containing polymeric fil

Details Photoimaging process which uses sulfide containing polymeric fil Photoimaging process which uses sulfide containing polymeric fil

1980-08-15

1981-06-02

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Forming nonplanar surface

430269, 430286, 430287, 430288, G03C 500

Patent

active

042712629

ABSTRACT:
The present invention relates to a photoimaging process whereby a polymeric film containing sulfide functionality is selectively exposed to incident radiation in the presence of oxygen and a photosensitizer so that the sulfur functionality is photooxidized to produce a latent image which may then be developed. Polymeric films containing photooxidizable organic sulfide functionality and preferably additional carbon-carbon double bond unsaturation, which are capable of being used in the foregoing process are also included within the scope of the present invention.

REFERENCES:
patent: 3145104 (1964-08-01), Oster et al.
Tetrahedron Letters, No. 47, pp. 4263-4266, 1976.
Webster's New Collegiate Dictionary (1977) p. 1162.

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