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    • 1. 发明授权
    • Device and method for processing light-polymerizable material for building up an object in layers
    • 用于加工用于层叠物体的可聚光材料的装置和方法
    • US08741203B2
    • 2014-06-03
    • US13124660
    • 2008-10-20
    • Robert LiskaJohannes PatzerJürgen StampflWolfgang WachterChristoph Appert
    • Robert LiskaJohannes PatzerJürgen StampflWolfgang WachterChristoph Appert
    • B29C35/04
    • B29C64/135A61C13/0013B33Y10/00B33Y30/00
    • A method and a device for processing a light-polymerizable material (5, 55) for building up an object (27) in layers, using a lithography based generative manufacture having a construction platform (12) for building up the object (27), a projecting exposure unit (10, 60) that can be controlled for locally selected exposing of a surface on the construction platform (12, 62) to an intensity pattern having a prescribed shape, and a control unit (11, 61) prepared for polymerizing overlapping layers (28) on the construction platform (12, 62) in successive exposure steps, each having a prescribed geometry, by controlling the projecting exposure unit (10, 60), in order to thus successively build up the object (27) in the desired shape, said shape resulting from the sequence of layer geometries. The invention is characterized in that a further exposure unit (16, 66) for exposing the surface of the construction platform (12, 62) is provided on the side opposite the projecting exposure unit (10, 60), and that the construction platform (12, 62) is designed to be at least partially transparent to light, and that the control unit (11, 61) is designed for controlling the further exposure unit (16, 66) at least while building up the first layer (28), said layer adhering to the construction platform (12, 62), for exposing in the prescribed geometry.
    • 一种用于使用具有用于构建物体(27)的构造平台(12)的基于光刻的生成制造来处理用于构建物体(27)的可光聚合材料(5,55)的方法和装置, 可以控制用于局部选择地将建筑平台(12,62)上的表面暴露于具有规定形状的强度图案的投影曝光单元(10,60)以及用于聚合的控制单元(11,61) 通过控制投影曝光单元(10,60),在连续的曝光步骤中,每个具有规定几何形状的重叠层(28)在构造平台(12,62)上,以便因此将物体 所需的形状,所述形状由层几何的顺序产生。 本发明的特征在于,在与突出曝光单元(10,60)相对的一侧设置用于暴露构造平台(12,62)的表面的另外的曝光单元(16,66),并且构造平台 12,62)被设计为对光至少部分透明,并且控制单元(11,61)被设计成至少在建立第一层(28)时控制另外的曝光单元(16,66), 所述层粘附到施工平台(12,62)上,用于以规定的几何形状露出。
    • 3. 发明申请
    • METHOD AND DEVICE FOR THE GENERATIVE PRODUCTION OF A SHAPED BODY HAVING NON-PLANAR LAYERS
    • 用于生成具有非平面层的成形体的方法和装置
    • US20100283188A1
    • 2010-11-11
    • US12568926
    • 2009-09-29
    • Gottfried ROHNERWolfgang WACHTERJürgen STAMPFLJohannes PATZERJohannes HOMA
    • Gottfried ROHNERWolfgang WACHTERJürgen STAMPFLJohannes PATZERJohannes HOMA
    • B29C35/08
    • A61C13/0013B29C64/129B29K2105/16B29L2031/7536
    • The present invention relates to a method for the generative production of a shaped body (27) of material (5, 55) solidifiable under the effect of electromagnetic radiation, in particular a green compact for dental restoration, by means of a multiplicity of exposure steps (1001, 1002, 1003, 1004), characterized in that a new layer of material (5, 55) solidifiable under the effect of electromagnetic radiation, having a layer thickness which is less than or equal to half the penetration depth of the electromagnetic radiation into the solidifiable material (5, 55), is provided before an exposure step (1001, 1002, 1003, 1004), the layer provided is exposed in the exposure step (1001, 1002, 1003, 1004) only in a subregion (2001, 3001) of the shaped body layer to be formed, and a layer provided before a preceding exposure step, on which the new layer has been provided, being solidified together with the new layer in the exposed subregion (2001, 3001), and the exposed subregion (2001, 3001) is varied between the exposure steps (1001, 1002, 1003, 1004).
    • 本发明涉及一种用于通过多次曝光步骤生成可电磁辐射下可固化的材料(5,55)的成形体(27)的生成方法,特别是用于牙科修复的生坯 (1001,1002,1003,1004),其特征在于,在电磁辐射的作用下可固化的新的材料层(5,55)具有小于或等于电磁辐射穿透深度的一半的层厚度 在曝光步骤(1001,1002,1003,1004)之前提供在可凝固材料(5,55)中,所提供的层仅在曝光步骤(1001,1002,1003,1004)中仅在次要区域(2001 ,3001),并且在其上设置有新层的前一曝光步骤之前设置的层与所述曝光次区域(2001,3001)中的新层一起固化,并且 暴露次区域(2001,3001)i 在曝光步骤(1001,1002,1003,1004)之间变化。
    • 5. 发明授权
    • Device and method for processing light-polymerizable material for building up an object in layers
    • 用于加工用于层叠物体的可聚光材料的装置和方法
    • US08623264B2
    • 2014-01-07
    • US13124619
    • 2008-10-20
    • Gottfried RohnerWolfgang WachterChristoph AppertJohannes PatzerJürgen Stampfl
    • Gottfried RohnerWolfgang WachterChristoph AppertJohannes PatzerJürgen Stampfl
    • B29C35/04
    • B29C67/0051A61C13/0013B29C64/124B33Y10/00B33Y30/00B33Y40/00
    • A method and a device for processing light-polymerizable material for the assembly of a mold, utilizing a lithography-based generative manufacturing technique wherein a layer of a light-polymerizable material, the material being located in at least one trough (4) having a particularly light-transmissive, horizontal bottom (6), is polymerized by illumination on at least one horizontal platform (12), the platform having a prespecified geometry and projecting into a trough (4), in an illumination field, wherein the platform (12) is displaced vertically to form a subsequent layer, light-polymerizable material is then added to the most recently formed layer, and repetition of the foregoing steps leads to the layered construction of the mold in the desired form, which arises from the succession of layer geometries. The invention is characterized in that the trough (4) can be shifted horizontally to a supply position, and the supply device (8) brings light-polymerizable material at least to an illumination field of the trough bottom (6), before the at least one trough (4) is shifted to an illumination position in which the illumination field is located below the platform (12) and above the illumination unit (10), and illumination is carried out.
    • 一种用于处理用于组装模具的可光聚合材料的方法和装置,利用基于光刻的生成制造技术,其中可光聚合材料层,该材料位于至少一个槽(4)中,其具有 特别是透光的水平底部(6)通过在至少一个水平平台(12)上的照明进行聚合,所述平台具有预先指定的几何形状并且在照明场中突出到槽(4)中,其中平台(12 )垂直位移以形成后续层,然后将可光聚合材料加入到最近形成的层中,并且重复上述步骤导致模具的分层结构,其由所述层的连续性产生, 几何形状。 本发明的特征在于,槽(4)可以水平地移动到供应位置,并且供应装置(8)至少在至少在槽底部(6)的照明场之前使光可聚合材料至少 一个槽(4)移动到其中照明场位于平台(12)下方和照明单元(10)的上方的照明位置,并且进行照明。
    • 6. 发明申请
    • Device And Method For Processing Light-Polymerizable Material For Building Up An Object In Layers
    • 用于加工可聚合材料的装置和方法,用于在层中建立物体
    • US20110309554A1
    • 2011-12-22
    • US13124660
    • 2008-10-20
    • Robert LiskaJohannes PatzerJürgen StampflWolfgang WachterChristoph Appert
    • Robert LiskaJohannes PatzerJürgen StampflWolfgang WachterChristoph Appert
    • B29C35/08
    • B29C64/135A61C13/0013B33Y10/00B33Y30/00
    • A method and a device for processing a light-polymerizable material (5, 55) for building up an object (27) in layers, using a lithography based generative manufacture having a construction platform (12) for building up the object (27), a projecting exposure unit (10, 60) that can be controlled for locally selected exposing of a surface on the construction platform (12, 62) to an intensity pattern having a prescribed shape, and a control unit (11, 61) prepared for polymerizing overlapping layers (28) on the construction platform (12, 62) in successive exposure steps, each having a prescribed geometry, by controlling the projecting exposure unit (10, 60), in order to thus successively build up the object (27) in the desired shape, said shape resulting from the sequence of layer geometries. The invention is characterized in that a further exposure unit (16, 66) for exposing the surface of the construction platform (12, 62) is provided on the side opposite the projecting exposure unit (10, 60), and that the construction platform (12, 62) is designed to be at least partially transparent to light, and that the control unit (11, 61) is designed for controlling the further exposure unit (16, 66) at least while building up the first layer (28), said layer adhering to the construction platform (12, 62), for exposing in the prescribed geometry.
    • 一种用于使用具有用于建立物体(27)的构造平台(12)的基于光刻的生成制造来处理用于建立物体(27)的可光聚合材料(5,55)的方法和装置, 可以控制用于局部选择地将建筑平台(12,62)上的表面暴露于具有规定形状的强度图案的投影曝光单元(10,60)以及用于聚合的控制单元(11,61) 通过控制投影曝光单元(10,60),在连续的曝光步骤中,每个具有规定几何形状的重叠层(28)在构造平台(12,62)上,以便因此将物体 所需的形状,所述形状由层几何的顺序产生。 本发明的特征在于,在与突出曝光单元(10,60)相对的一侧设置用于暴露构造平台(12,62)的表面的另外的曝光单元(16,66),并且构造平台 12,62)被设计为对光至少部分透明,并且控制单元(11,61)被设计成至少在建立第一层(28)时控制另外的曝光单元(16,66), 所述层粘附到施工平台(12,62)上,用于以规定的几何形状露出。