Fabrication by electrodeposition: building 3D structures and polymer actuators

TitleFabrication by electrodeposition: building 3D structures and polymer actuators
Publication TypeConference Paper
Year of Publication1995
AuthorsMadden, J. D., S. R. Lafontaine, and I. W. Hunter
Conference NameMicro Machine and Human Science, 1995. MHS '95., Proceedings of the 6th International Symposium on
Pagination77 -81
Date Publishedoct.
Keywords3D structures, bilayer actuators, columns, conducting polymers, conducting substrate, electrodeposition, electrodeposits, helical springs, high aspect ratio, inducing local convection, localizing electric field, microactuators, micromachining, microstructure fabrication, pattern writing, polymer actuators, polymer films, polypyrrole films

Electrochemical deposition has traditionally been employed to grow metal coatings (plating) and to fill molds (electroforming). However, by localizing electric field or inducing local convection on a conducting substrate it is possible to write patterns without employing masks or molds. Here we present techniques capable of depositing high aspect ratio, truly 3D structures such as columns and helical springs. Conducting polymers such as polyaniline, polyacetylene, and polypyrrole are routinely employed to fabricate batteries, capacitors, colour displays, and transistors. Here we demonstrate the electrodeposition of polypyrrole films to form bilayer actuators


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