System and method for additive manufacturing of an object
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United States of America Patent
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Jan 19, 2021
Grant Date -
Oct 5, 2017
app pub date -
Jun 19, 2017
filing date -
Nov 28, 2010
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Abstract
A method of additive manufacturing of a three-dimensional object is disclosed. The method comprises sequentially forming a plurality of layers in a configured pattern corresponding to the shape of the object. Each layer is formed by dispensing at least one modeling material to form an uncured layer, and curing the uncured layer by radiation. In various exemplary embodiments of the invention the method comprises, for at least one layer, forming a stack of sacrificial radiation-protective layers to cover an exposed portion of the layer, such that an upper layer of the stack remains exposed during formation of any subsequent layer of the plurality of layers.
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