G - Physics – 03 – F
Patent
G - Physics
03
F
G03F 7/20 (2006.01) B29C 67/00 (2006.01)
Patent
CA 2045968
ABSTRACT An apparatus and method for fabricating integral three- dimensional objects from successive layers of deformable and photoformable compositions by exposing the layers of the composition through a tensioned, elastomeric transparent film, in a way that the weak bonds between the film and each newly solidified layer are broken by changing the tension on the film, thus allowing a new layer of deformable composition to be introduced between the film and the solidified layer.
Lawton John A.
Mickish Daniel J.
E. I. Du Pont de Nemours And Company
Lawton John A.
Mickish Daniel J.
Sim & Mcburney
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