Method of manufacturing a pattern of an electrically conductive

Details Method of manufacturing a pattern of an electrically conductive Method of manufacturing a pattern of an electrically conductive

1994-03-07

1995-09-05

Duda, Kathleen

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making electrical device

430311, 430313, 430330, 252500, G03F 720, H01B 106

Patent

active

054478243

ABSTRACT:
A solution of monomers, oligomers or polymers and a suitable oxidation agent can be stable if the solution also comprises a base. By spin coating this solution onto a substrate, a layer can be formed which, after patterned irradiation, yields a pattern of a doped conductive polymer which is formed in situ, the exposed and unexposed areas exhibiting a large difference in conductivity. A description is given of, inter alia, the patterned irradiation of a layer of 3,4-ethylenedioxythiophene. If desired, the conductive polymer pattern can subsequently be metallized in an electroplating bath. The method provides, inter alia, a simple process of manufacturing metal patterns on insulating substrates, such as printed circuit boards.

REFERENCES:
patent: 5198153 (1993-03-01), Angelopoulos
patent: 5306443 (1994-04-01), Kaneko

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