Light recycling for additive manufacturing optimization

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United States of America Patent

PATENT NO 10960465
APP PUB NO 20170123237A1
SERIAL NO

15337201

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Abstract

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A method and an apparatus pertaining to recycling and reuse of unwanted light in additive manufacturing can multiplex multiple beams of light including at least one or more beams of light from one or more light sources. The multiple beams of light may be reshaped and blended to provide a first beam of light. A spatial polarization pattern may be applied on the first beam of light to provide a second beam of light. Polarization states of the second beam of light may be split to reflect a third beam of light, which may be reshaped into a fourth beam of light. The fourth beam of light may be introduced as one of the multiple beams of light to result in a fifth beam of light.

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Patent Owner(s)

Patent OwnerAddress
SEURAT TECHNOLOGIES INC265 BALLARDVALE ST WILMINGTON MA 01887

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Berdichevsky, Eugene Oakland, US 88 1384
DeMuth, James A Woburn, US 103 861
Fees, Heiner Bietigheim-Bissingen, DE 105 810
Kamshad, Kourosh Hudson, US 42 460
Leard, Francis L Sudbury, US 77 815
Toomre, Erik Los Altos, US 51 562

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