Journal
IEEE TRANSACTIONS ON ELECTRONICS PACKAGING MANUFACTURING
Volume 25, Issue 1, Pages 59-63Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TEPM.2002.1000484
Keywords
acrylate; alumina; ceramic; microfabrication; photopolymer; stereolithography
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The paper we present here deals with the use of microstereolithography (muSL) to produce solid freeform objects from computer-assisted-design files. muSL process is derived from stereolithography, and it is based on the photopolymerization through a dynamic mask generator of successive layers of photocurable resin, which permits us to produce acurate microobjects with high aspect ratio and curved surfaces (due to the layer-by-layer nature of the process). This technology is extended to the manufacture of ceramic-polymer composite parts. To achieve this, we add dispersed alumina powder (at a volumic percentage of 24%) and a visible photoinitiator to a low viscosity diacrylate resin. The objects we made present interesting properties for microrobotic or microfluidic applications.
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