A type of vat photopolymerization additive manufacturing where both traditional laser-based Stereolithography (SLA) is combined with Digital Light Projection (DLP) in a bottom curing system. A projector under a transparent build plate shines ultraviolet light onto the build layer, which is against the transparent build plate. At the same time, an ultraviolet laser traces the outline of the current build layer, creating a smooth external surface. The part is then pulled upward so that a new layer of liquid fills between the build plate and the part, and the process is repeated.
Abbreviated as HPS
Categories: Additive Manufacturing Processes, Vat Photopolymerization
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