Solid imaging system using differential tension elastomeric film
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United States of America Patent
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Oct 27, 1992
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N/A
app pub date -
Jul 5, 1990
filing date -
Jul 5, 1990
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Expired
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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.
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