Stereolithography apparatus having a detection unit for optical adjustment and image modification
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United States of America Patent
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Nov 21, 2023
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N/A
app pub date -
Mar 11, 2020
filing date -
Mar 11, 2019
priority date (Note) -
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Abstract
The present invention relates to a stereolithography apparatus for generating a three-dimensional object, comprising: an optical unit for projecting an image towards the photocurable substance for hardening the photocurable substance deposited in the focus layer; a control unit, characterized by further comprising: a detection unit which comprises: a detection means movably arranged in a detection region for detecting during the generation process or in a generation-pause the image projected by the optical unit and for outputting a detection signal; and a first driving means for moving the detection means into or out of the detection region, wherein the optical unit comprises: a second driving means linked to the optical unit for moving the focus layer into or out of the detection region, wherein the control unit adjusts the optical unit and/or modifies the image to be projected based on the signal indicative of the detected image.
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