Solid imaging apparatus and method with coating station

Details Solid imaging apparatus and method with coating station Solid imaging apparatus and method with coating station

G - Physics

03

F

95/25, 96/252

G03F 7/26 (2006.01) B29C 41/12 (2006.01) B29C 67/00 (2006.01) G03F 7/16 (2006.01) G03F 7/20 (2006.01) G03F 7/38 (2006.01)

Patent

CA 2036695

34 IM-0370 TITLE SOLID IMAGING APPARATUS AND METHOD WITH COATING STATION ABSTRACT A solid imaging apparatus and method produces an integral three-dimensional object from a multiplicity of cross sectional portions of the object by selectively exposing successive layers of a liquid photoformable composition to actinic radiation. The apparatus includes a vessel for containing the composition so as to present a free surface, and a movable platform disposed within the vessel below the free surface. Part of the composition is transferred above the free surface by lowering and raising a dispenser at predetermined positions located away from the platform. A doctor blade contacts the composition transferred above the free surface, and then moves over the platform to form a substantially uniform layer of the composition.

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