G - Physics – 03 – F
Patent
G - Physics
03
F
342/21
G03F 7/20 (2006.01) G06T 17/00 (2006.01)
Patent
CA 1339751
An improved stereolithography system for generating a three-dimensional object by creating a cross-sectional pattern of the object to be formed at a selected surface of a fluid medium capable of altering its physical state in response to appropriate synergistic stimulation by impinging radiation, particle bombardment or chemical reaction, using information defining the object which is specially tailored to provide built-in supports for the object, reduce curl and distortion, and increase resolution, strength, accuracy, speed and economy of reproduction, the successive adjacent laminae, representing corresponding successive adjacent cross-sections of the object, being automatically formed and integrated together to provide a step-wise laminar buildup of the desired object, whereby a three-dimensional object is formed and drawn from a substantially planar surface of the fluid medium during the forming process. Stereolithographic supports for the object are described, including a preferred embodiment known as web supports.
596837
Hull Charles William
Lewis Charles William
3d Systems Inc.
Smart & Biggar
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