Three dimensional printer
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United States of America Patent
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Jun 23, 2020
Grant Date -
Jun 22, 2017
app pub date -
Dec 15, 2016
filing date -
Dec 22, 2015
priority date (Note) -
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Abstract
A lamination molding apparatus, including: a chamber covering a desired molding region and being filled with an inert gas of predetermined concentration; a molding table configured to be vertically controllable in the chamber; a laser beam emitter to irradiate a predetermined irradiation region with a laser beam to form a sintered layer and irradiate a predetermined target irradiation position with the laser beam to form a sintered trace, the irradiation region being disposed on a material powder layer formed on the molding table for each of a plurality of divided layers obtained by dividing a desired three-dimensional object at a predetermined thickness.
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