Laser direct writing of conductive patterns

Details Laser direct writing of conductive patterns Laser direct writing of conductive patterns

H - Electricity

05

K

356/12

H05K 3/10 (2006.01)

Patent

CA 1253629

- 8 - METHOD OF PRODUCING ON A POLYMERIC SUBSTRATE CONDUCTIVE PATTERNS Abstract Electrically conductive paths are produced on a polymeric substrate (e.g. 13 or 24) by laser (e.g. 11 or 21) writing, i.e., by tracing desired on the substrate by a laser beam. The resulting paths comprise electrically conductive carbon as produced by thermal decomposition of substrate surface material; the paths can serve; e.g., as electrical interconnections akin to printed circuitry on a wiring board. Optionally, the conductivity of paths can be enhanced by electroplating a suitable conductor metal or alloy onto the paths.

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