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1. 发明申请

US20220410273A1 CHARACTERIZING LIQUID REFLECTIVE SURFACES IN 3D LIQUID METAL PRINTING 有权
公开(公告)号：US20220410273A1
公开(公告)日：2022-12-29
申请号：US17356627
申请日：2021-06-24
申请人： PALO ALTO RESEARCH CENTER INCORPORATED , XEROX CORPORATION
发明人： Robert R. Price , Raja Bala , Svyatoslav Korneev , Christoforos Somarakis , Matthew Shreve , Adrian Lew , Palghat Ramesh
IPC分类号： B22F10/80 , G06T17/00 , G06K9/00 , G06K9/62 , G06T7/64 , G06K15/02 , G06T7/00 , G05B13/04 , G05B13/02 , B22D23/00 , B22F10/22 , B22F12/90 , B33Y30/00 , B33Y50/00
摘要： A three-dimensional (3D) printer includes a nozzle and a camera configured to capture a real image or a real video of a liquid metal while the liquid metal is positioned at least partially within the nozzle. The 3D printer also includes a computing system configured to perform operations. The operations include generating a model of the liquid metal positioned at least partially within the nozzle. The operations also include generating a simulated image or a simulated video of the liquid metal positioned at least partially within the nozzle based at least partially upon the model. The operations also include generating a labeled dataset that comprises the simulated image or the simulated video and a first set of parameters. The operations also include reconstructing the liquid metal in the real image or the real video based at least partially upon the labeled dataset.

2. 发明授权

US11724441B2 Characterizing meniscus behavior in 3D liquid metal printing 有权
公开(公告)号：US11724441B2
公开(公告)日：2023-08-15
申请号：US17314989
申请日：2021-05-07
申请人： PALO ALTO RESEARCH CENTER INCORPORATED , XEROX CORPORATION
发明人： Raja Bala , Vijay Kumar Baikampady Gopalkrishna , Palghat Ramesh , David Allen Mantell , Peter Michael Gulvin , Mark A. Cellura
IPC分类号： B29C64/112 , B29C64/209 , B29C64/295 , G06T7/00 , B29C64/393 , B22F12/53 , B33Y30/00 , B33Y50/02
CPC分类号： B29C64/112 , B22F12/53 , B29C64/209 , B29C64/295 , B29C64/393 , G06T7/0004 , B33Y30/00 , B33Y50/02 , G06T2207/30144
摘要： A 3D printer includes a nozzle and a camera configured to capture an image, a video, or both of a plurality of drops of liquid metal being jetted through the nozzle. The 3D printer also includes a computing system configured to measure a signal proximate to the nozzle based at least partially upon the image, the video, or both. The computing system is also configured to determine one or more metrics that characterize a behavior of the drops based at least partially upon the signal.

3. 发明申请

US20220355536A1 CHARACTERIZING MENISCUS BEHAVIOR IN 3D LIQUID METAL PRINTING 有权
公开(公告)号：US20220355536A1
公开(公告)日：2022-11-10
申请号：US17314989
申请日：2021-05-07
申请人： PALO ALTO RESEARCH CENTER INCORPORATED , XEROX CORPORATION
发明人： Raja Bala , Vijay Kumar Baikampady Gopalkrishna , Palghat Ramesh , David Allen Mantell , Peter Michael Gulvin , Mark A. Cellura
IPC分类号： B29C64/112 , B29C64/209 , B29C64/295 , B29C64/393 , G06T7/00
摘要： A 3D printer includes a nozzle and a camera configured to capture an image, a video, or both of a plurality of drops of liquid metal being jetted through the nozzle. The 3D printer also includes a computing system configured to measure a signal proximate to the nozzle based at least partially upon the image, the video, or both. The computing system is also configured to determine one or more metrics that characterize a behavior of the drops based at least partially upon the signal.

4. 发明授权

US09353290B2 Transfix surface member coating 有权
标题翻译： Transfix表面涂层
公开(公告)号：US09353290B2
公开(公告)日：2016-05-31
申请号：US14250482
申请日：2014-04-11
申请人： XEROX CORPORATION
发明人： Anthony S. Condello , Chu-Heng Liu , David J. Gervasi , Jeffrey Folkins , Santokh S. Badesha , Mandakini Kanungo , Palghat Ramesh , Paul McConville , Phillip Wantuck , Lifeng Chen
IPC分类号： C09D183/10 , B41J2/005 , B41J11/00 , B41J2/01
CPC分类号： C09D183/10 , B41J2/01 , B41J2002/012
摘要： An embodiment of the present disclosure is directed to an indirect printing apparatus. The indirect printing apparatus comprises an intermediate transfer member comprising a substrate and a surface layer disposed over the substrate. The surface layer comprises a fluoroelastomer-aminosilane grafted polymer and infrared absorptive filler materials. The indirect printing apparatus also comprises a coating mechanism for forming a sacrificial coating onto the intermediate transfer member and a drying station for drying the sacrificial coating. At least one ink jet nozzle is positioned proximate the intermediate transfer member and configured for jetting ink droplets onto the sacrificial coating formed on the intermediate transfer member. An ink processing station comprises a radiation source for at least partially drying the ink on the sacrificial coating formed on the intermediate transfer member. The indirect printing apparatus also comprises a substrate transfer mechanism for moving a substrate into contact with the intermediate transfer member.
摘要翻译：本公开的实施例涉及间接打印设备。间接印刷装置包括中间转印部件，该中间转印部件包括基板和设置在基板上的表面层。表层包含含氟弹性体 - 氨基硅烷接枝聚合物和红外线吸收填料。间接印刷设备还包括用于在中间转印部件上形成牺牲涂层的涂覆机构和用于干燥牺牲涂层的干燥台。至少一个喷墨喷嘴位于中间转印部件附近，并且被配置用于将墨滴喷射到形成在中间转印部件上的牺牲涂层上。油墨处理站包括用于至少部分地干燥形成在中间转印部件上的牺牲涂层上的油墨的辐射源。间接印刷设备还包括用于使基板移动与中间转印部件接触的基板传送机构。

5. 发明授权

US11945169B2 System and method for characterizing liquid metal drops jetted from a 3D printer using a strobe light 有权
公开(公告)号：US11945169B2
公开(公告)日：2024-04-02
申请号：US17332511
申请日：2021-05-27
申请人： XEROX CORPORATION
发明人： Vijay Kumar Baikampady Gopalkrishna , Raja Bala , Palghat Ramesh , David Allen Mantell , Peter Michael Gulvin , Mark A. Cellura
IPC分类号： B29C64/393 , B29C64/112 , B29C64/209 , B33Y30/00 , B33Y50/02 , G06K9/32 , G06T7/13 , G06T7/70 , G06V10/20
CPC分类号： B29C64/393 , B29C64/112 , B29C64/209 , B33Y30/00 , B33Y50/02 , G06T7/13 , G06T7/70 , G06V10/255
摘要： A 3D printer includes a nozzle configured to jet a drop of liquid metal therethrough. The 3D printer also includes a light source configured to illuminate the drop with a pulse of light. A duration of the pulse of light is from about 0.0001 seconds to about 0.1 seconds. The 3D printer also includes a camera configured to capture an image, video, or both of the drop. The 3D printer also includes a computing system configured to detect the drop in the image, the video, or both. The computing system is also configured to characterize the drop after the drop is detected. Characterizing the drop includes determining a size of the drop, a location of the drop, or both in the image, the video, or both.

6. 发明申请

US20220414380A1 CHARACTERIZING LIQUID REFLECTIVE SURFACES IN 3D LIQUID METAL PRINTING 有权
公开(公告)号：US20220414380A1
公开(公告)日：2022-12-29
申请号：US17356604
申请日：2021-06-24
申请人： PALO ALTO RESEARCH CENTER INCORPORATED , XEROX CORPORATION
发明人： Robert R. Price , Raja Bala , Svyatoslav Korneev , Christoforos Somarakis , Matthew Shreve , Adrian Lew , Palghat Ramesh
IPC分类号： G06K9/00 , G06K9/62 , G06N3/08 , B41J2/045
摘要： A method includes defining a model for a liquid while the liquid is positioned at least partially within a nozzle of a printer. The method also includes synthesizing video frames of the liquid using the model to produce synthetic video frames. The method also includes generating a labeled dataset that includes the synthetic video frames and corresponding model values. The method also includes receiving real video frames of the liquid while the liquid is positioned at least partially within the nozzle of the printer. The method also includes generating an inverse mapping from the real video frames to predicted model values using the labeled dataset. The method also includes reconstructing the liquid in the real video frames based at least partially upon the predicted model values.

7. 发明申请

US20220379564A1 SYSTEM AND METHOD FOR CHARACTERIZING LIQUID METAL DROPS JETTED FROM A 3D PRINTER USING A STROBE LIGHT 有权
公开(公告)号：US20220379564A1
公开(公告)日：2022-12-01
申请号：US17332511
申请日：2021-05-27
申请人： PALO ALTO RESEARCH CENTER INCORPORATED , XEROX CORPORATION
发明人： Vijay Kumar Baikampady Gopalkrishna , Raja Bala , Palghat Ramesh , David Allen Mantell , Peter Michael Gulvin , Mark A. Cellura
IPC分类号： B29C64/393 , B29C64/209 , B29C64/112 , B33Y30/00 , B33Y50/02 , G06K9/32 , G06T7/70 , G06T7/13
摘要： A 3D printer includes a nozzle configured to jet a drop of liquid metal therethrough. The 3D printer also includes a light source configured to illuminate the drop with a pulse of light. A duration of the pulse of light is from about 0.0001 seconds to about 0.1 seconds. The 3D printer also includes a camera configured to capture an image, video, or both of the drop. The 3D printer also includes a computing system configured to detect the drop in the image, the video, or both. The computing system is also configured to characterize the drop after the drop is detected. Characterizing the drop includes determining a size of the drop, a location of the drop, or both in the image, the video, or both.

8. 发明申请

US20220355535A1 CHARACTERIZING MENISCUS BEHAVIOR IN 3D LIQUID METAL PRINTING 有权
公开(公告)号：US20220355535A1
公开(公告)日：2022-11-10
申请号：US17314933
申请日：2021-05-07
申请人： PALO ALTO RESEARCH CENTER INCORPORATED , XEROX CORPORATION
发明人： Raja Bala , Vijay Kumar Baikampady Gopalkrishna , Palghat Ramesh , David Allen Mantell , Peter Michael Gulvin , Mark A. Cellura
IPC分类号： B29C64/112 , B29C64/209 , B29C64/393 , G06T7/00
摘要： A method includes capturing a video of a plurality of drops being jetted through a nozzle of a printer. The method also includes measuring a signal proximate to the nozzle based at least partially upon the video. The method also includes determining one or more metrics that characterize a behavior of the drops based at least partially upon the signal.

9. 发明授权

US09019329B2 Systems for dampening fluid removal, vapor control and recovery for ink-based digital printing 有权
标题翻译：用于润滑液体去除，蒸汽控制和墨水数字印刷回收系统
公开(公告)号：US09019329B2
公开(公告)日：2015-04-28
申请号：US13950731
申请日：2013-07-25
申请人： Xerox Corporation
发明人： Francisco Zirilli , Palghat Ramesh , Jack Lestrange , Peter J. Knausdorf
IPC分类号： B41J2/435 , B41L23/00 , B41L25/00 , B41J2/44
CPC分类号： B41J2/442 , B41J2/175 , B41J29/17
摘要： A system for dampening fluid recovery in an ink-based digital printing system includes a seal manifold having a front seal portion, the front seal portion having an upper wall facing the imaging surface, the upper wall being configured to define an air flow channel with the imaging surface, the upper wall being contoured to form a distance between the upper wall and the imaging surface at an evaporation location that is less than distance between the upper wall and the imaging surface at locations interposing the evaporation location and a vacuum inlet channel of the seal manifold.
摘要翻译：一种用于在基于油墨的数字印刷系统中抑制流体回收的系统，包括具有前密封部分的密封歧管，所述前密封部分具有面向成像表面的上壁，所述上壁构造成限定气流通道，成像表面，上壁被成形为在蒸发位置处形成上壁和成像表面之间的距离，该蒸发位置小于在插入蒸发位置的位置处的上壁和成像表面之间的距离，以及位于密封歧管。

10. 发明授权

US12002265B2 Characterizing liquid reflective surfaces in 3D liquid metal printing 有权
公开(公告)号：US12002265B2
公开(公告)日：2024-06-04
申请号：US17356604
申请日：2021-06-24
申请人： XEROX CORPORATION
发明人： Robert R. Price , Raja Bala , Svyatoslav Korneev , Christoforos Somarakis , Matthew Shreve , Adrian Lew , Palghat Ramesh
IPC分类号： G06V20/40 , B41J2/045 , G06F18/214 , G06F18/2413 , G06N3/08
CPC分类号： G06V20/46 , B41J2/04536 , G06F18/214 , G06F18/24147 , G06N3/08 , G06V20/49 , G06V2201/07
摘要： A method includes defining a model for a liquid while the liquid is positioned at least partially within a nozzle of a printer. The method also includes synthesizing video frames of the liquid using the model to produce synthetic video frames. The method also includes generating a labeled dataset that includes the synthetic video frames and corresponding model values. The method also includes receiving real video frames of the liquid while the liquid is positioned at least partially within the nozzle of the printer. The method also includes generating an inverse mapping from the real video frames to predicted model values using the labeled dataset. The method also includes reconstructing the liquid in the real video frames based at least partially upon the predicted model values.

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