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4752498 : Method and apparatus for production of three-dimensional objects by photosolidification

INVENTORS: Fudim; Efrem V., Milwaukee, WI 53217

ASSIGNEES: none

U.S. CLASS: 427/054.1

ABSTRACT: An improved method of forming three-dimensional objects comprises irradiating an uncured photopolymer by transmitting an effective amount of photopolymer solidifying radiation through a radiation transmittent material which is in contact with the uncured photopolymer. The transmittent material is a material which leaves the irradiated surface capable of further cross-linking so that when a subsequent layer is formed it will adhere thereto. Using this method multilayer objects can be made.XX

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