Affiliation:
1. University of Toronto, Toronto, Ontario, Canada
Abstract
This paper describes the contruction of an out-of-plane MEMS (Micro-Electro Mechanical System) microcoil, by assembling together multiple surface micromachined microparts. A microgripper, which is bonded to the end-effector of a robotic workstation, is able to remove a micro-part from a MEMS chip, reorient the micro-part in space, move it to a secondary location, and join it to another micro-part. In this way, complex 3D microstructures can be assembled from a set of initially planar and parallel micro-parts. The microcoil is built from four loop elements, each 200 μm tall by 140 μm wide. The loop is closed by a base structure on the substrate, and the loops are spaced 50 μm apart. This four-loop microcoil is 200 × 140 × 200 μm in size. Using the described microassembly method, it is possible to fabricate microcoils with many loop elements of various sizes, spaced as closely as 25 μm apart.
Cited by
7 articles.
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