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1. 发明授权

US06600965B1 Method and apparatus for production of high resolution three-dimensional objects by stereolithography 失效
标题翻译：通过立体光刻技术生产高分辨率三维物体的方法和装置
公开(公告)号：US06600965B1
公开(公告)日：2003-07-29
申请号：US09236259
申请日：1999-01-26
申请人： Charles W. Hull , Stuart T. Spence , David J. Albert , Dennis R. Smalley , Richard A. Harlow , Phil Stinebaugh , Harry L. Tarnoff , Hop D. Nguyen , Charles W. Lewis , Tom J. Vorgitch , David Z. Remba
发明人： Charles W. Hull , Stuart T. Spence , David J. Albert , Dennis R. Smalley , Richard A. Harlow , Phil Stinebaugh , Harry L. Tarnoff , Hop D. Nguyen , Charles W. Lewis , Tom J. Vorgitch , David Z. Remba
IPC分类号： G06F1900
CPC分类号： G06T17/20 , B29C64/135 , B29C64/40 , B29K2995/0073 , B33Y30/00 , B33Y50/02 , G01J1/4257 , G03F7/0037 , G03F7/70416 , G05B2219/49013 , G06T17/00 , G06T17/10
摘要： 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.
摘要翻译：一种改进的立体光刻系统，用于通过在能够响应于通过撞击辐射的适当的协同刺激来改变其物理状态的流体介质的选定表面处形成待形成的物体的横截面图案来产生三维物体，粒子轰击或化学反应，定义被特殊处理的物体的信息以减少卷曲和变形，并且即使对于相当困难的物体形状也增加分辨率，强度，精度，速度和经济性，连续的相邻层，表示相应的相邻的相邻横截面该物体被自动地形成并且集成在一起以提供期望物体的逐层层叠，从而在成形过程中从流体介质的基本上平坦的表面形成三维物体并从其中抽出。

2. 发明授权

US5870307A Method and apparatus for production of high resolution three-dimensional objects by stereolithography 失效
公开(公告)号：US5870307A
公开(公告)日：1999-02-09
申请号：US480670
申请日：1995-06-07
申请人： Charles W. Hull , Stuart T. Spence , David J. Albert , Dennis R. Smalley , Richard A. Harlow , Phil Stinebaugh , Harry L. Tarnoff , Hop D. Nguyen , Charles W. Lewis , Tom J. Vorgitch , David Z. Remba
发明人： Charles W. Hull , Stuart T. Spence , David J. Albert , Dennis R. Smalley , Richard A. Harlow , Phil Stinebaugh , Harry L. Tarnoff , Hop D. Nguyen , Charles W. Lewis , Tom J. Vorgitch , David Z. Remba
IPC分类号： B29C67/00 , G01J1/42 , G03F7/00 , G03F7/20 , G06T17/00 , G06T17/10 , G06T17/20 , G06F19/00
CPC分类号： G06T17/20 , B29C67/0066 , B29C67/0092 , G01J1/4257 , G03F7/0037 , G03F7/70416 , G06T17/00 , G06T17/10 , B29K2995/0073 , G05B2219/49013
摘要： 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.

3. 发明授权

US5345391A Method and apparatus for production of high resolution three-dimensional objects by stereolithography 失效
标题翻译：通过立体光刻技术生产高分辨率三维物体的方法和装置
公开(公告)号：US5345391A
公开(公告)日：1994-09-06
申请号：US861210
申请日：1992-03-31
申请人： Charles W. Hull , Stuart T. Spence , David J. Albert , Dennis R. Smalley , Richard A. Harlow , Phil Stinebaugh , Harry L. Tarnoff , Hop D. Nguyen , Charles W. Lewis , Tom J. Vorgitch , David Z. Remba
发明人： Charles W. Hull , Stuart T. Spence , David J. Albert , Dennis R. Smalley , Richard A. Harlow , Phil Stinebaugh , Harry L. Tarnoff , Hop D. Nguyen , Charles W. Lewis , Tom J. Vorgitch , David Z. Remba
IPC分类号： B29C35/08 , B29C67/00 , B29K105/24 , G01J1/42 , G03C9/08 , G03F7/00 , G03F7/20 , G06F17/50 , G06T17/00 , G06T17/10 , G06T17/20 , G06F15/46
CPC分类号： B29C67/0066 , B29C67/0062 , B29C67/0088 , B29C67/0092 , G01J1/4257 , G03F7/0037 , G03F7/70416 , G06T17/00 , G06T17/10 , G06T17/20 , B29K2995/0073 , G05B2219/49013
摘要： 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.
摘要翻译：一种改进的立体光刻系统，用于通过在能够响应于通过撞击辐射的适当的协同刺激来改变其物理状态的流体介质的选定表面处形成待形成的物体的横截面图案来产生三维物体，颗粒轰击或化学反应，定义被特殊处理的物体的信息以减少卷曲和变形，并且即使对于相当困难的物体形状也增加分辨率，强度，精度，速度和经济性，连续的相邻层，表示相应的相邻的相邻横截面该物体被自动地形成并且集成在一起以提供期望物体的逐层层叠，从而在成形过程中从流体介质的基本上平坦的表面形成三维物体并从其中抽出。

4. 发明授权

US5184307A Method and apparatus for production of high resolution three-dimensional objects by stereolithography 失效
标题翻译：用于通过立体成像生产高分辨率三维物体的方法和装置
公开(公告)号：US5184307A
公开(公告)日：1993-02-02
申请号：US331644
申请日：1989-03-31
申请人： Charles W. Hull , Stuart T. Spence , David J. Albert , Dennis R. Smalley , Richard A. Harlow , Phil Stinebaugh , Harry L. Tarnoff , Hop D. Nguyen , Charles W. Lewis , Tom J. Vorgitch , David Z. Remba
发明人： Charles W. Hull , Stuart T. Spence , David J. Albert , Dennis R. Smalley , Richard A. Harlow , Phil Stinebaugh , Harry L. Tarnoff , Hop D. Nguyen , Charles W. Lewis , Tom J. Vorgitch , David Z. Remba
IPC分类号： B29C67/00 , G01J1/42 , G03F7/00 , G03F7/20 , G06T17/00 , G06T17/10 , G06T17/20
CPC分类号： G06T17/20 , B29C67/0066 , B29C67/0092 , G01J1/4257 , G03F7/0037 , G03F7/70416 , G06T17/00 , G06T17/10 , B29K2995/0073 , G05B2219/49013
摘要： 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.

5. 发明授权

US5137662A Method and apparatus for production of three-dimensional objects by stereolithography 失效
标题翻译：通过立体光刻制造三维物体的方法和装置
公开(公告)号：US5137662A
公开(公告)日：1992-08-11
申请号：US697487
申请日：1991-05-02
申请人： Charles W. Hull , Borzo Modrek , Brent Parker , Raymond S. Freed , Thomas Almquist , Stuart T. Spence , David J. Albert , Dennis R. Smalley , Richard A. Harlow , Phil Stinebaugh , Harry L. Tarnoff , Hop D. Nguyen , Charles W. Lewis , Tom J. Vorgitch , David Z. Remba , Wayne B. Vinson
发明人： Charles W. Hull , Borzo Modrek , Brent Parker , Raymond S. Freed , Thomas Almquist , Stuart T. Spence , David J. Albert , Dennis R. Smalley , Richard A. Harlow , Phil Stinebaugh , Harry L. Tarnoff , Hop D. Nguyen , Charles W. Lewis , Tom J. Vorgitch , David Z. Remba , Wayne B. Vinson
IPC分类号： B29C67/00 , G01J1/42 , G03F7/00 , G03F7/20 , G06T17/00 , G06T17/10 , G06T17/20
CPC分类号： B29C67/0092 , G01J1/4257 , G03F7/0037 , G03F7/70416 , G06T17/00 , G06T17/10 , G06T17/20 , B29K2995/0073 , G05B2219/49013
摘要： 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.
摘要翻译：一种改进的立体光刻系统，用于通过在能够响应于通过撞击辐射的适当的协同刺激来改变其物理状态的流体介质的选定表面处形成待形成的物体的横截面图案来产生三维物体，颗粒轰击或化学反应，定义被特殊处理的物体的信息以减少卷曲和变形，并且即使对于相当困难的物体形状也增加分辨率，强度，精度，速度和经济性，连续的相邻层，表示相应的相邻的相邻横截面该物体被自动地形成并且集成在一起以提供期望物体的逐层层叠，从而在成形过程中从流体介质的基本上平坦的表面形成三维物体并从其中抽出。

6. 发明授权

US5059359A Methods and apparatus for production of three-dimensional objects by stereolithography 失效
标题翻译：通过立体光刻法生产三维物体的方法和装置
公开(公告)号：US5059359A
公开(公告)日：1991-10-22
申请号：US182830
申请日：1988-04-18
申请人： Charles W. Hull , Stuart T. Spence , David J. Albert , Dennis R. Smalley , Richard A. Harlow , Phil Steinbaugh , Harry L. Tarnoff , Hop D. Nguyen , Charles W. Lewis , Tom J. Vorgitch , David Z. Remba
发明人： Charles W. Hull , Stuart T. Spence , David J. Albert , Dennis R. Smalley , Richard A. Harlow , Phil Steinbaugh , Harry L. Tarnoff , Hop D. Nguyen , Charles W. Lewis , Tom J. Vorgitch , David Z. Remba
IPC分类号： B29C67/00 , G01J1/42 , G03F7/00 , G03F7/20 , G06T17/00 , G06T17/10 , G06T17/20
CPC分类号： B29C67/0066 , B29C67/0092 , G01J1/4257 , G03F7/0037 , G03F7/70416 , G06T17/00 , G06T17/10 , G06T17/20 , G05B2219/49013
摘要： An improved sterolithography 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, and 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.
摘要翻译：一种改进的固体光刻系统，用于通过在能够通过照射辐射的适当的协同刺激来改变其物理状态的流体介质的选定表面处产生待形成的物体的横截面图案来产生三维物体，或化学反应，定义被特别处理的物体的信息以减少卷曲和变形，并且即使对于相当困难的物体形状也增加分辨率，强度，精度，速度和再现经济性，以及连续的相邻层，代表相应的相邻的相邻横截面该物体被自动地形成并且集成在一起以提供期望物体的逐层层叠，从而在成形过程中从流体介质的基本上平坦的表面形成三维物体并从其中抽出。

7. 发明授权

US5891382A Recoating of stereolithographic layers 失效
标题翻译：重新制备立体光刻层
公开(公告)号：US5891382A
公开(公告)日：1999-04-06
申请号：US767695
申请日：1996-12-17
申请人： Thomas A. Almquist , Charles W. Hull , Borzo Modrek , Paul F. Jacobs , Charles W. Lewis , Adam L. Cohen , Stuart T. Spence , Hop D. Nguyen , Mark A. Lewis , Abraham Liran , Dennis R. Smalley
发明人： Thomas A. Almquist , Charles W. Hull , Borzo Modrek , Paul F. Jacobs , Charles W. Lewis , Adam L. Cohen , Stuart T. Spence , Hop D. Nguyen , Mark A. Lewis , Abraham Liran , Dennis R. Smalley
IPC分类号： B29C35/08 , B29C41/02 , B29C41/12 , B29C41/52 , B29C67/00 , G01F23/292 , G01F23/36 , G05D9/12
CPC分类号： G05D9/12 , B29C41/12 , B29C67/0066 , G01F23/2921 , G01F23/366 , B29K2995/0073 , Y10T156/17
摘要： Improved apparatus and methods for forming a layer of material over a surface of a previously-formed cross-section of a three-dimensional object in anticipation of forming a next cross-section of the object out of the layer. A volume of material, including at least some excess material, is placed over the surface, and the excess material is swept off by placing the excess material in the predetermined path of a sweeping member, the path being substantially in a plane spaced from a working surface of material. The member may be directed to sweep the excess material away through a successive number of sweeps, which may vary for each cross-section, at least a velocity which may vary for each sweep. Additionally, the clearance between the member and the surface of the previous cross-section may vary for each sweep. A "winged" member is also provided, comprising two legs extending from a base, and a "Trident" embodiment is also provided, comprising three legs extending from a base.
摘要翻译：改进的用于在三维物体的预先形成的横截面的表面上形成材料层的装置和方法，以期将物体的下一个横截面形成在该层之外。将一定体积的材料（包括至少一些多余的材料）放置在表面上，并且通过将多余的材料放置在扫掠构件的预定路径中来清除多余的材料，该路径基本上处于与工作材料表面。该构件可以被引导以通过连续数量的扫描来扫过多余的材料，该扫描对于每个横截面可以变化，至少每个扫描可能变化的速度。此外，构件和前一横截面的表面之间的间隙可以针对每个扫掠而变化。还提供了一个“翼形”构件，其包括从基座延伸的两个腿部，并且还提供了“三叉戟”实施例，其包括从底座延伸的三个腿部。

8. 发明授权

US06048487A Recoating stereolithographic layers 失效
标题翻译：重新制备立体光刻层
公开(公告)号：US06048487A
公开(公告)日：2000-04-11
申请号：US286213
申请日：1999-04-05
申请人： Thomas A. Almquist , Charles W. Hull , Borzo Modrek , Paul F. Jacobs , Charles W. Lewis , Adam L. Cohen , Stuart T. Spence , Hop D. Nguyen , Mark A. Lewis , Abraham Liran , Dennis R. Smalley
发明人： Thomas A. Almquist , Charles W. Hull , Borzo Modrek , Paul F. Jacobs , Charles W. Lewis , Adam L. Cohen , Stuart T. Spence , Hop D. Nguyen , Mark A. Lewis , Abraham Liran , Dennis R. Smalley
IPC分类号： B29C35/08 , B29C41/02 , B29C41/12 , B29C41/52 , B29C67/00 , G01F23/292 , G01F23/36 , G05D9/12
CPC分类号： G05D9/12 , B29C41/12 , B29C67/0066 , G01F23/2921 , G01F23/366 , B29K2995/0073 , Y10T156/17
摘要： Improved apparatus and methods for forming a layer of material over a surface of a previously-formed cross-section of a three-dimensional object in anticipation of forming a next cross-section of the object out of the layer. A volume of material, including at least some excess material, is placed over the surface, and the excess material is swept off by placing the excess material in the predetermined path of a sweeping member, the path being substantially in a plane spaced from a working surface of material. The member may be directed to sweep the excess material away through a successive number of sweeps, which may vary for each cross-section, at least a velocity which may vary for each sweep. Additionally, the clearance between the member and the surface of the previous cross-section may vary for each sweep. A "winged" member is also provided, comprising two legs extending from a base, and a "Trident" embodiment is also provided, comprising three legs extending from a base.
摘要翻译：改进的用于在三维物体的预先形成的横截面的表面上形成材料层的装置和方法，以期将物体的下一个横截面形成在该层之外。将一定体积的材料（包括至少一些多余的材料）放置在表面上，并且通过将多余的材料放置在扫掠构件的预定路径中来清除多余的材料，该路径基本上处于与工作材料表面。该构件可以被引导以通过连续数量的扫描来扫过多余的材料，该扫描对于每个横截面可以变化，至少每个扫描可能变化的速度。此外，构件和前一横截面的表面之间的间隙可以针对每个扫掠而变化。还提供了一个“翼形”构件，其包括从基座延伸的两个腿部，并且还提供了“三叉戟”实施例，其包括从底座延伸的三个腿部。

9. 发明授权

US5651934A Recoating of stereolithographic layers 失效
标题翻译：重新制备立体光刻层
公开(公告)号：US5651934A
公开(公告)日：1997-07-29
申请号：US402553
申请日：1995-03-13
申请人： Thomas A. Almquist , Charles W. Hull , Borzo Modrek , Paul F. Jacobs , Charles W. Lewis , Adam L. Cohen , Stuart T. Spence , Hop D. Nguyen
发明人： Thomas A. Almquist , Charles W. Hull , Borzo Modrek , Paul F. Jacobs , Charles W. Lewis , Adam L. Cohen , Stuart T. Spence , Hop D. Nguyen
IPC分类号： B29C35/08 , B29C41/02 , B29C41/12 , B29C41/52 , B29C67/00 , G01F23/292 , G01F23/36 , G05D9/12
CPC分类号： G05D9/12 , B29C41/12 , B29C67/0066 , G01F23/2921 , G01F23/366 , B29K2995/0073 , Y10T156/17
摘要： Apparatus and method for stereolithographically forming a three-dimensional object includes a vessel for holding a building material and a smoothing member for forming a uniform coating over a previously formed layer of the object. The smoothing member has a plurality of blades. The smoothing member is swept over a previously formed layer of the object, in at least two directions. Different clearances between the lower surface of the smoothing member and the upper surface of the previously formed layer are used to provide a uniform coating for a subsequent layer over the previously formed layer. The sweeping velocity of the smoothing member can be varied. Retractable needles are attached to the smoothing member for adjusting a blade gap between a lower surface of the smoothing member and the surface of the building material.
摘要翻译：用于立体取向形成三维物体的装置和方法包括用于保持建筑材料的容器和用于在预先形成的物体层上形成均匀涂层的平滑构件。平滑部件具有多个叶片。平滑部件在至少两个方向上扫过物体的先前形成的层。使用平滑构件的下表面和先前形成的层的上表面之间的不同间隙为先前形成的层上的后续层提供均匀的涂层。平滑部件的扫掠速度可以变化。可伸缩针附接到平滑构件，用于调节平滑构件的下表面和建筑材料的表面之间的叶片间隙。

10. 发明授权

US5273691A Stereolithographic curl reduction 失效
标题翻译：立体光刻卷曲减少
公开(公告)号：US5273691A
公开(公告)日：1993-12-28
申请号：US868462
申请日：1992-04-14
申请人： Charles W. Hull , Stuart T. Spence , Charles W. Lewis , Wayne Vinson , Raymond S. Freed , Dennis R. Smalley
发明人： Charles W. Hull , Stuart T. Spence , Charles W. Lewis , Wayne Vinson , Raymond S. Freed , Dennis R. Smalley
IPC分类号： B29C35/08 , B29C67/00 , B29K105/24 , B44B1/00 , G03F7/00 , G03F7/20 , B29C41/02
CPC分类号： B29C67/0066 , B29C67/0092 , B44B1/006 , G03F7/0037 , G03F7/70416
摘要： An improved stereolithography system for generating a three-dimensional object by creating a cross-sectional pattern of the object to 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 structurally specified to reduce curl, stress and distortion in the ultimately formed object, 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. A stereolithographic distortion known as curl is defined, and several techniques to eliminate or reduce curl are described, including dashed line, bent line, secondary structure, rivets, and multi-pass techniques. In addition, a quantitative measurement of curl known as the curl factor, and a test part known as a quarter cylinder are described, which together can be used to measure the effectiveness of the above techniques in reducing curl.
摘要翻译：一种用于产生三维物体的改进的立体光刻系统，其通过在物体的横截面图形上形成，以形成在流体介质的选定表面上，该液体介质能够响应于通过撞击辐射，粒子轰击或者对其进行适当的协同刺激而改变其物理状态化学反应，定义物体的信息在结构上被规定以减少最终形成的物体中的卷曲，应力和变形，代表对象的相应连续的相邻横截面的连续相邻层被自动形成并集成在一起，从而在成形过程中从流体介质的基本上平坦的表面形成三维物体并从其中抽出三维物体。定义了称为卷曲的立体光刻变形，描述了消除或减少卷曲的若干技术，包括虚线，弯曲线，二次结构，铆钉和多遍技术。此外，描述了称为卷曲因子的卷曲的定量测量，以及被称为四分之一圆筒的测试部件，它们可以一起用于测量上述减少卷曲技术的有效性。

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