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Proceedings Paper

Thermal three-dimensional lithography in thermoset resins using CO2 laser
Author(s): Marco A. F. Scarparo; Mucio L. Barros; Alvin E. Kiel; Edgardo Gerck
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Paper Abstract

This work presents a new method to produce 3D structures, using a CO2 laser and thermosensitive resins. This method is called thermal stereolithography and is based on the spatially selective thermal curing of a resin, a filling material and a catalyst. The results obtained with a physical model for the resin system indicates that filling material must be added to control a pressure wave that is thermally induced. A resolution of 0.1 mm was achieved for epoxy and polyester resins. The successive layering of a laser scanned spot can produce 3D solid structures out of a high viscosity liquid.

Paper Details

Date Published: 21 July 1994
PDF: 8 pages
Proc. SPIE 2125, Laser Techniques for Surface Science, (21 July 1994); doi: 10.1117/12.180832
Show Author Affiliations
Marco A. F. Scarparo, UNICAMP (Brazil)
Mucio L. Barros, UNICAMP (Brazil)
Alvin E. Kiel, UNICAMP (Brazil)
Edgardo Gerck, Lasertech S.A. (Brazil)

Published in SPIE Proceedings Vol. 2125:
Laser Techniques for Surface Science
Hai-Lung Dai; Steven J. Sibener, Editor(s)

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