Optical modeling apparatus

Plastic article or earthenware shaping or treating: apparatus – Means applying electrical or wave energy directly to work – Radiated energy

Reexamination Certificate

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Details

C264S492000, C264S494000, C264S401000, C264S497000, C700S118000, C700S119000, C700S120000

Reexamination Certificate

active

07833000

ABSTRACT:
There is provided an optical modeling apparatus that forms a model of a desired shape by sequentially forming hardened layers by irradiating a light-curable resin with light. The apparatus includes a first light source that emits a light beam for plotting on the resin, a scanning device that scans the light beam from the first light source over the resin, a second light source that emits light that irradiates one fixed region of the resin at a time, and a spatial light modulator that spatially modulates the light from the second light source to blanket-expose a specified region of the resin. The light beam from the scanning device and the light from the spatial light modulator form each hardened layer.

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patent: 2005/0286115 (2005-12-01), Aubuchon et al.
patent: 5-77323 (1993-03-01), None
patent: 2001-297976 (2001-10-01), None
U.S. Appl. No. 11/953,388, filed Dec. 10, 2007, Kihara, et al.

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