Abstract
This paper reports a novel fabrication method consisting of some procedures such as cylindrical polydimethylsiloxane (PDMS) molding, ultraviolet (UV) exposure, Ni electroplating, and dry and wet etching for fabricating a microcoil structure that is expected to be used as a component within a wireless clamp meter to measure the electric power consumption of various information technology (IT) devices for the realization of a green IT society. In comparison with the conventional ultraviolet Lithographie-Gallvanoformung-Abformung (UV-LIGA) process, this method makes it possible to fabricate cylindrical microcomponents at a low-cost, mainly because of using a cheap PDMS mold. By the pre-process of the 3D UV-microreplication method, a UV resin replica pattern was clearly transferred along the surface of the cylindrical metal body within the cavity of the PDMS mold replicated from a master pattern. Ni microcoil structure was fabricated by the post-process, utilizing the UV resin replica pattern as a base for Ni electroplating.
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