Method and system for additive manufacturing using a light beam
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United States of America Patent
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Jun 23, 2020
Grant Date -
Aug 24, 2017
app pub date -
Aug 5, 2015
filing date -
Aug 20, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
The method comprises the steps of: a) supplying building material; and b) fusing the building material using a light beam (2); wherein steps a) and b) are carried out so as to progressively produce the object out of the fused building material. In step b), the beam (2) is projected onto the building material so as to produce a primary spot on the building material, the beam being repetitively scanned in two dimensions in accordance with a first scanning pattern so as to establish an effective spot (21) on the building material, said effective spot having a two-dimensional energy distribution. The effective spot (21) is displaced in relation to the object being produced to progressively produce the object by fusing the building material.
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