Large format electrophotographic 3D printer
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United States of America Patent
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-
Oct 30, 2018
Grant Date -
Jul 27, 2017
app pub date -
Jul 13, 2016
filing date -
Jan 25, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A three-dimensional part and associated support structure is constructed using an electrophotography-based additive manufacturing system. A support layer is developed using a first electrophotography engine, and a part layer is developed using a second electrophotography engine. The developed support and part layers are transferred to a transfer medium and moved into alignment with a tile region of a layer transfusion assembly, where the transferred part and support layers are transfused to previously-printed layers. This process is repeated for a plurality tile regions and for a plurality of layers to construct a three-dimensional part having a footprint larger than a maximum printable area of the first and second electrophotography engines.
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