Fabrication of Conducting Polymer Interconnects

Science  24 Dec 1993:
Vol. 262, Issue 5142, pp. 2014-2016
DOI: 10.1126/science.262.5142.2014


A nonmechanical approach to the construction of complex three-dimensional interconnect arrays has been developed with the use of conducting polymer dendrites. Electrically independent connections between pairs of wires in an array were successfully grown through alternating-current electrochemical polymerization of poly(3-methylthiophene), without mechanical or optical masking steps. The electrically active links were insulated by subsequent electropolymerization of 4-vinylpyridine or 2-methylthiophene or by the dip-coating of the connections in a polystyrene solution.