Microscopic Flow Observation of Photopolymer by UV-Laser Beam Exposure

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Date

1997

Authors

Xu, Yi
Imamura, Masato
Nakagawa, Takeo

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Abstract

Microscopic flow of liquid photopolylner around the cured polymer was observed during laser exposure. The maximum velocity was about 4 mm/s. The temperature raised by reaction heat, causes the density of liquid photopolymer to vary, resulting in this flow. This flow causes the nearby cured strands to sway and it decreases the accuracy of SL model.

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