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    1.
    发明专利
    未知

    公开(公告)号：AT456075T

    公开(公告)日：2010-02-15

    申请号：AT06251473

    申请日：2006-03-20

    Applicant: 3D SYSTEMS INC

    Inventor： HULL CHARLES W ,  PARTANEN JOUNI P ,  SPERRY CHARLES R ,  DUNNE PATRICK ,  SCOTT SUZANNE M ,  MCNAMARA DENNIS F ,  MANNERS CHRIS R

    IPC: G03F7/00 ,  B29C67/00 ,  G03F7/20

    Abstract: A solid imaging method employing sub-pixel shifting in multiple exposures of the digitally light projected image of a cross-section of a three-dimensional object on a solidifiable liquid medium. The multiple exposures provide increased resolution, preserving image features in a three-dimensional object and smoothing out rough or uneven edges that would otherwise occur using digital light projectors that are limited by the number of pixels in an image projected over the size of the image. Algorithms are used to select pixels to be illuminated within the boundary of each image projected in the cross-section being exposed.

    2.
    发明专利
    未知

    公开(公告)号：AT331235T

    公开(公告)日：2006-07-15

    申请号：AT01309337

    申请日：2001-11-02

    Applicant: 3D SYSTEMS INC

    Inventor： PARTANEN JOUNI P ,  TANG NANSHENG ,  WU XINGKUN

    IPC: G03F7/20 ,  B23K26/04 ,  B23K26/06 ,  B23K26/067 ,  B23K26/073 ,  B29C67/00 ,  G02B7/10 ,  G02B27/09 ,  G02B27/40 ,  G11B7/125 ,  G11B7/135

    Abstract: An illumination system includes optics capable of adjusting the size of a beam of light and adjusting the focus of the beam of light. Spot size control optics adjusts the overall size of the beam of light and separately adjusts the ellipticity of the beam, primarily in one dimension. Light from the spot size control optics passes to focus control optics that control the overall focus of the beam of light and adjust the astigmatism of the beam by altering the focus position of the beam of light in one dimension. The laser system, the spot size control optics and the focus control optics are within an enclosure. Actuators under remote control from outside of the enclosure adjust both of the spot size control optics and focus control optics in the thermal environment of the illumination system.

    5.
    发明专利
    未知

    公开(公告)号：DE602006011802D1

    公开(公告)日：2010-03-11

    申请号：DE602006011802

    申请日：2006-03-20

    Applicant: 3D SYSTEMS INC

    Inventor： HULL CHARLES W ,  PARTANEN JOUNI P ,  SPERRY CHARLES R ,  DUNNE PATRICK ,  SCOTT SUZANNE M ,  MCNAMARA DENNIS F ,  MANNERS CHRIS R

    IPC: G03F7/00 ,  B29C67/00 ,  G03F7/20

    Abstract: A solid imaging method employing sub-pixel shifting in multiple exposures of the digitally light projected image of a cross-section of a three-dimensional object on a solidifiable liquid medium. The multiple exposures provide increased resolution, preserving image features in a three-dimensional object and smoothing out rough or uneven edges that would otherwise occur using digital light projectors that are limited by the number of pixels in an image projected over the size of the image. Algorithms are used to select pixels to be illuminated within the boundary of each image projected in the cross-section being exposed.

    6.
    发明专利
    未知

    公开(公告)号：AT450360T

    公开(公告)日：2009-12-15

    申请号：AT05012520

    申请日：2005-06-10

    Applicant: 3D SYSTEMS INC

    Inventor： CHUNG TAE MARK ,  PARTANEN JOUNI P

    IPC: B29C67/00 ,  B23K26/34 ,  B29C35/08 ,  G01J5/52

    Abstract: An apparatus and a method of using the apparatus wherein a radiation emitter (140) is positioned adjacent a sensor means (142,144,145) within a process chamber (102) in a laser sinter system (100) that emits radiation to the sensor means and a calibration means receives readings from the sensor means (142,144,145) to compare temperature sensings received from the sensor means with set emission signals from the radiation emitter (140) to adjust the temperature sensings to thereby calibrate the sensor means during the forming of a three-dimensional article. The calibration is done repeatedly during the build process of the three-dimensional article (Fig. 1).

    8.
    发明专利
    未知

    公开(公告)号：DE102005026884B4

    公开(公告)日：2006-12-21

    申请号：DE102005026884

    申请日：2005-06-10

    Applicant: 3D SYSTEMS INC

    Inventor： CHUNG TAE MARK ,  PARTANEN JOUNI P

    IPC: B22F3/105 ,  B23K26/34 ,  B29C35/08 ,  B29C67/00 ,  G01J5/52

    Abstract: An apparatus and a method of using the apparatus wherein a radiation emitter (140) is positioned adjacent a sensor means (142,144,145) within a process chamber (102) in a laser sinter system (100) that emits radiation to the sensor means and a calibration means receives readings from the sensor means (142,144,145) to compare temperature sensings received from the sensor means with set emission signals from the radiation emitter (140) to adjust the temperature sensings to thereby calibrate the sensor means during the forming of a three-dimensional article. The calibration is done repeatedly during the build process of the three-dimensional article (Fig. 1).

    9.
    发明专利
    未知

    公开(公告)号：DE602006011819D1

    公开(公告)日：2010-03-11

    申请号：DE602006011819

    申请日：2006-03-20

    Applicant: 3D SYSTEMS INC

    Inventor： HULL CHARLES W ,  PARTANEN JOUNI P ,  SPERRY CHARLES R ,  DUNNE PATRICK ,  SCOTT SUZANNE M ,  MCNAMARA DENNIS F ,  MANNERS CHRIS R

    IPC: B29C67/00 ,  G03F7/20

    Abstract: A solid imaging method employing sub-pixel shifting in multiple exposures of the digitally light projected image of a cross-section of a three-dimensional object on a solidifiable liquid medium. The multiple exposures provide increased resolution, preserving image features in a three-dimensional object and smoothing out rough or uneven edges that would otherwise occur using digital light projectors that are limited by the number of pixels in an image projected over the size of the image. Algorithms are used to select pixels to be illuminated within the boundary of each image projected in the cross-section being exposed.

    10.
    发明专利
    未知

    公开(公告)号：AT456074T

    公开(公告)日：2010-02-15

    申请号：AT06251474

    申请日：2006-03-20

    Applicant: 3D SYSTEMS INC

    Inventor： HULL CHARLES W ,  PARTANEN JOUNI P ,  SPERRY CHARLES R ,  DUNNE PATRICK ,  SCOTT SUZANNE M ,  MCNAMARA DENNIS F ,  MANNERS CHRIS R

    IPC: G03F7/00 ,  B29C67/00 ,  G03F7/20

    Abstract: A solid imaging method employing sub-pixel shifting in multiple exposures of the digitally light projected image of a cross-section of a three-dimensional object on a solidifiable liquid medium. The multiple exposures provide increased resolution, preserving image features in a three-dimensional object and smoothing out rough or uneven edges that would otherwise occur using digital light projectors that are limited by the number of pixels in an image projected over the size of the image. Algorithms are used to select pixels to be illuminated within the boundary of each image projected in the cross-section being exposed.

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