NDLI: An investigation on photopolymer solidification considering laser irradiation energy in micro-stereolithography

Content Provider	Springer Nature Link
Author	Lee, I. H. Cho, D. W.
Copyright Year	2004
Abstract	Micro-stereolithography technology has made it possible to fabricate freeform three-dimensional microstructures. This technology is based on conventional stereolithography, in which a UV laser beam irradiates the free surface of a UV-curable liquid photopolymer, causing it to solidify. In micro-stereolithography, a laser beam that is a few μm in diameter is used to solidify a very small area of the photopolymer. Photopolymer solidification phenomena in response to variations in the scanning pitch of a focused laser beam were investigated experimentally in this study according to the irradiation energy. The effect of the layer thickness on the solidification width and depth was also examined. The study was conducted using both a relatively low laser power and high scanning speed (low irradiation energy method), and a relatively high laser power and low scanning speed (high irradiation energy method). The experimental results were compared with those obtained using a photopolymer solidification model. Based on these results, a new laser-scanning scheme is proposed according to the three-dimensional microstructure shape desired. Samples were successfully fabricated using both methods.
Starting Page	592
Ending Page	598
Page Count	7
File Format	PDF
ISSN	09467076
Journal	Microsystem Technologies
Volume Number	10
Issue Number	8-9
e-ISSN	14321858
Language	English
Publisher	Springer-Verlag
Publisher Date	2004-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nanotechnology Memory Structures Information Storage and Retrieval Operating Procedures, Materials Treatment Electronics and Microelectronics, Instrumentation
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering Hardware and Architecture

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