Additive manufacturing apparatus and methods
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United States of America Patent
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Apr 28, 2020
Grant Date -
Oct 26, 2017
app pub date -
Oct 20, 2015
filing date -
Oct 20, 2014
priority date (Note) -
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Abstract
An additive manufacturing apparatus including a chamber, a build platform movable in the chamber such that layers of flowable material can be successively formed across the build platform, a unit for generating an energy beam for solidifying the flowable material, a scanning unit for directing the energy beam onto selected areas of each layer to solidify the material in the selected areas and a getter for absorbing oxygen, nitrogen and/or hydrogen from atmosphere in the chamber.
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