Stereolithographic method and apparatus

Details Stereolithographic method and apparatus Stereolithographic method and apparatus

2011-04-26

2011-04-26

Tucker, Philip C (Department: 1744)

Plastic and nonmetallic article shaping or treating: processes

Stereolithographic shaping from liquid precursor

C425S174400

Reexamination Certificate

active

07931851

ABSTRACT:
A method and an apparatus includes using a planar plotting mask which can continuously change a mask image; continuously moving the planar plotting mask with reference to the surface of the photocurable resin composition and exposing the surface of a photocurable resin composition to light by way of the planar plotting mask while continuously changing a mask image of the planar plotting mask in accordance with a cross-sectional profile pattern of an optically-cured resin layer to be formed and in synchronism with movement of the planar plotting mask, to thus form an optically-cured resin layer having a predetermined cross-sectional profile pattern; and performing building operation such that boundary areas among adjacent plotted areas in the optically-cured resin layer become unnoticeable in a finally-obtained stereolithographic three-dimensional object.

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