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公开(公告)号：DE68928485T2
公开(公告)日：1998-07-02
申请号：DE68928485
申请日：1989-04-17
Applicant: 3D SYSTEMS INC
Inventor： SPENCE STUART THOMAS , ALMQUIST THOMAS , TARNOFF HARRY L VAN
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Patent Agency Ranking
公开(公告)号：DE68928485D1
公开(公告)日：1998-01-22
申请号：DE68928485
申请日：1989-04-17
Applicant: 3D SYSTEMS INC
Inventor： SPENCE STUART THOMAS , ALMQUIST THOMAS , TARNOFF HARRY L VAN
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公开(公告)号：DE354637T1
公开(公告)日：1996-06-27
申请号：DE89303782
申请日：1989-04-17
Applicant: 3D SYSTEMS INC
Inventor： HULL CHARLES WILLIAM , SPENCE STUART THOMAS , ALBERT DAVID J , SMALLEY DENNIS ROLLETTE , HARLOW RICHARD A , STEINBURGH PHILIP , TARNOFF HARRY L VAN , NGUYEN HOP D , LEWIS CHARLES WILLIAM VAN , VORGITCH TOM J , REMBA DAVID Z
IPC: B29C35/08 , B29C67/00 , B29K105/24 , G01J1/42 , G03C9/08 , G03F7/00 , G03F7/20 , G06F17/50 , G06T17/00 , G06T17/10 , G06T17/20 , G03C9/00 , B29C67/04
Abstract: An improved stereolithography system for generating a three-dimensional object by creating a cross-sectional pattern of the object to be formed at a selected surface of a fluid medium capable of altering its physical state in response to appropriate synergistic stimulation by impinging radiation, particle bombardment or chemical reaction, information defining the object being specially processed to reduce curl and distortion, and increase resolution, strength, accuracy, speed and economy of reproduction even for rather difficult object shapes, the successive adjacent laminae, representing corresponding successive adjacent cross-sections of the object, being automatically formed and integrated together to provide a step-wise laminar buildup of the desired object, whereby a three-dimensional object is formed and drawn from a substantially planar surface of the fluid medium during the forming process. The conversion of CAD/CAM data descriptive of the object into stereolithographic data used to trace cross-sections of the object is described.
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公开(公告)号：DE68928141T2
公开(公告)日：1997-10-09
申请号：DE68928141
申请日：1989-04-17
Applicant: 3D SYSTEMS INC
Inventor： HULL CHARLES WILLIAM , SPENCE STUART THOMAS , ALBERT DAVID J , SMALLEY DENNIS ROLLETTE , HARLOW RICHARD A , STEINBURGH PHILIP , TARNOFF HARRY L VAN , NGUYEN HOP D , LEWIS CHARLES WILLIAM VAN , VORGITCH TOM J , REMBA DAVID Z
IPC: B29C35/08 , B29C67/00 , B29K105/24 , G01J1/42 , G03C9/08 , G03F7/00 , G03F7/20 , G06F17/50 , G06T17/00 , G06T17/10 , G06T17/20 , B29C39/42 , G03C9/00
Abstract: An improved stereolithography system for generating a three-dimensional object by creating a cross-sectional pattern of the object to be formed at a selected surface of a fluid medium capable of altering its physical state in response to appropriate synergistic stimulation by impinging radiation, particle bombardment or chemical reaction, information defining the object being specially processed to reduce curl and distortion, and increase resolution, strength, accuracy, speed and economy of reproduction even for rather difficult object shapes, the successive adjacent laminae, representing corresponding successive adjacent cross-sections of the object, being automatically formed and integrated together to provide a step-wise laminar buildup of the desired object, whereby a three-dimensional object is formed and drawn from a substantially planar surface of the fluid medium during the forming process. The conversion of CAD/CAM data descriptive of the object into stereolithographic data used to trace cross-sections of the object is described.
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公开(公告)号：DE68928141D1
公开(公告)日：1997-07-31
申请号：DE68928141
申请日：1989-04-17
Applicant: 3D SYSTEMS INC
Inventor： HULL CHARLES WILLIAM , SPENCE STUART THOMAS , ALBERT DAVID J , SMALLEY DENNIS ROLLETTE , HARLOW RICHARD A , STEINBURGH PHILIP , TARNOFF HARRY L VAN , NGUYEN HOP D , LEWIS CHARLES WILLIAM VAN , VORGITCH TOM J , REMBA DAVID Z
IPC: B29C35/08 , B29C67/00 , B29K105/24 , G01J1/42 , G03C9/08 , G03F7/00 , G03F7/20 , G06F17/50 , G06T17/00 , G06T17/10 , G06T17/20 , B29C39/42 , G03C9/00
Abstract: An improved stereolithography system for generating a three-dimensional object by creating a cross-sectional pattern of the object to be formed at a selected surface of a fluid medium capable of altering its physical state in response to appropriate synergistic stimulation by impinging radiation, particle bombardment or chemical reaction, information defining the object being specially processed to reduce curl and distortion, and increase resolution, strength, accuracy, speed and economy of reproduction even for rather difficult object shapes, the successive adjacent laminae, representing corresponding successive adjacent cross-sections of the object, being automatically formed and integrated together to provide a step-wise laminar buildup of the desired object, whereby a three-dimensional object is formed and drawn from a substantially planar surface of the fluid medium during the forming process. The conversion of CAD/CAM data descriptive of the object into stereolithographic data used to trace cross-sections of the object is described.
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公开(公告)号：DE375097T1
公开(公告)日：1996-02-29
申请号：DE89303780
申请日：1989-04-17
Applicant: 3D SYSTEMS INC
Inventor： SPENCE STUART THOMAS , ALMQUIST THOMAS , TARNOFF HARRY L VAN
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