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公开(公告)号:CA2072136C
公开(公告)日:2001-10-16
申请号:CA2072136
申请日:1990-10-30
Applicant: 3D SYSTEMS INC
Inventor: JACOBS PAUL FRANCES , HULL CHARLES WILLIAM , SMALLEY DENNIS ROLLETTE , ALLISON JOSEPH WALTER
Abstract: Improved methods for building stereolithographically-formed parts include providing skinned layers in more than the up- and down- facing features of the part, to methods for avoiding over-exposure of down-facing regions at points of intersection of exposing vectors, and to methods for determining skin thickness.
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