Methods for monitoring electro-magnetic radiation power in solid freeform fabrication systems
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United States of America Patent
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Nov 7, 2017
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N/A
app pub date -
Jan 7, 2016
filing date -
Jan 6, 2009
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Abstract
System for controlling fabrication of three-dimensional objects, layer by layer are disclosed. The system includes a printing assembly having an irradiation unit and a printing head, the printing assembly is movable between a printing area and a service area. The system further includes a light sensor positioned at the service area to measure the output radiation power of the irradiation unit and a controller to receive information from the sensor and to automatically adjust the electrical power supplied to the irradiation unit.
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