发明授权
US5391072A Solid imaging apparatus having a semi-permeable film 失效
具有半透膜的固体成像装置

Solid imaging apparatus having a semi-permeable film
摘要:
An apparatus for fabricating integral three-dimensional objects from successive layers of photoformable compositions by exposing the layers of the composition through a semi-permeable film that allows creation of release coatings on the side of the film facing the composition.
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