Method of producing metal images or patterns on and/or below the

Details Method of producing metal images or patterns on and/or below the Method of producing metal images or patterns on and/or below the

1982-11-15

1984-01-17

Downey, Mary F.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Physical developing

430414, 430417, 430422, 430945, G03C 504, G03C 524

Patent

active

044264429

ABSTRACT:
Producing metal images or patterns on and/or below the surface of a substrate material comprising a semiconducting light-sensitive compound, such as titanium dioxide or zinc oxide which after exposure of a metal compound releases this metal in the form of nuclei. Exposure takes place in the solution of the metal compound by means of a moving beam of laser light whereby the nuclei pattern is directly "written". Thereafter, the nuclei image is intensified in known manner to produce a visible image or a conductive pattern, for example by means of an electroless plating solution. Use: the recording of information as well as the production of printed circuit boards.

REFERENCES:
patent: 3052541 (1962-09-01), Levinos
patent: 3380823 (1968-04-01), Gold
patent: 3672744 (1972-06-01), Strope et al.
patent: 3674485 (1972-07-01), Jonker et al.

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