公开(公告)号：US20170072644A1

公开(公告)日：2017-03-16

申请号：US15266494

申请日：2016-09-15

Applicant: Hou T. Ng ,  Raanan Zehavi ,  Nag B. Patibandla

Inventor： Hou T. Ng ,  Raanan Zehavi ,  Nag B. Patibandla

IPC: B29C67/00

Abstract: An additive manufacturing system includes a platen having a top surface to support an object being manufactured, a support structure, an actuator coupled to at least one of the platen or the support structure to create relative motion there between along a first axis parallel to the top surface, a plurality of printheads mounted on the support structure, and an energy source. Each printhead includes a dispenser to deliver a plurality of successive layers of feed material over the platen. The printheads are spaced along a second axis perpendicular to the first axis such that during motion along the first axis the plurality of printheads dispense feed material in a plurality of parallel swaths along the first axis. The energy source is configured to fuse at least a portion of the feed material.

Abstract translation: 添加剂制造系统包括具有顶表面以支撑正在制造的物体的压板，支撑结构，联接到压板或支撑结构中的至少一个的致动器，以在平行于顶部的第一轴线之间产生相对运动 表面，安装在支撑结构上的多个打印头和能量源。 每个打印头包括分配器，用于在压板上方输送多个连续的进料材料层。 打印头沿着垂直于第一轴线的第二轴线间隔开，使得在沿着第一轴线运动的过程中，多个打印头沿着第一轴线分配多个平行的进给材料。 能量源被配置为熔化进料的至少一部分。

公开(公告)号：US20170072636A1

公开(公告)日：2017-03-16

申请号：US15266420

申请日：2016-09-15

Applicant: Hou T. Ng ,  Raanan Zehavi ,  Nag B. Patibandla

Inventor： Hou T. Ng ,  Raanan Zehavi ,  Nag B. Patibandla

IPC: B29C67/00 ,  B33Y30/00

CPC classification number: B33Y30/00 ,  B29C64/153 ,  B29C64/20

Abstract: An apparatus includes a platen and a dispensing system overlying the platen. The dispensing system includes a powder source. The dispensing system further includes a powder conveyor extending over the top surface of the platen, rings arranged coaxially along a longitudinal axis of the powder conveyor, and a cap plate extending along a length of the tube. The powder conveyor is configured to receive powder from the powder source. The powder conveyor is configured to move the powder. The rings form a tube surrounding the powder conveyor to contain the powder. Each concentric ring includes a ring opening. Each ring is configured to be independently rotatable. The cap plate includes a cap plate opening. The powder is dispensed from the tube through the ring opening and the cap plate opening when the ring opening and the cap plate opening are aligned.

Abstract translation: 一种装置包括压板和覆盖压板的分配系统。 分配系统包括粉末源。 分配系统还包括沿着压板的顶表面延伸的粉末输送器，沿着粉末输送器的纵向轴线同轴布置的环以及沿管的长度延伸的盖板。 粉末输送机构造成从粉末源接收粉末。 粉末输送机构造成移动粉末。 环形成围绕粉末输送机的管以容纳粉末。 每个同心环包括一个环形开口。 每个环配置为独立旋转。 盖板包括盖板开口。 当环形开口和盖板开口对齐时，粉末通过环形开口和盖板开口从管中分配。

公开(公告)号：US20170072463A1

公开(公告)日：2017-03-16

申请号：US15265618

申请日：2016-09-14

Applicant: Hou T. Ng ,  Raanan Zehavi ,  Nag B. Patibandla

Inventor： Hou T. Ng ,  Raanan Zehavi ,  Nag B. Patibandla

IPC: B22F3/00 ,  B33Y30/00 ,  B22F3/105

CPC classification number: B33Y30/00 ,  B22F3/003 ,  B22F3/008 ,  B22F3/1055 ,  B22F2003/1056 ,  B29C64/153 ,  B29C64/165 ,  B29C64/20 ,  B29C64/205 ,  B29C64/209 ,  B29C64/236 ,  B29C64/264 ,  B29C64/295 ,  B29C64/336 ,  B33Y10/00 ,  B33Y50/02 ,  B33Y70/00 ,  Y02P10/295

Abstract: A module for an additive manufacturing system includes a frame configured to be removably mounted on a movable support, a dispenser configured to deliver a layer of particles on a platen that is separate from the frame or an underlying layer on the platen, a heat source configured to heat the layer of particles to a temperature below a temperature at which the particles fuse, and an energy source configured to fuse the particles. The dispenser, heat source and energy source are positioned on the frame in order along a first axis, and the dispenser, heat source and energy source are fixed to the frame such that the frame, dispenser, heat source and energy source can be mounted and dismounted as a single unit from the support.

Abstract translation: 用于添加剂制造系统的模块包括被构造成可移除地安装在可移动支撑件上的框架，分配器，被配置为在与所述框架或所述压板上的下层分离的压板上输送颗粒层，配置 以将颗粒层加热到低于颗粒熔化的温度的温度，以及被配置为熔化颗粒的能量源。 分配器，热源和能量源沿着第一轴线顺序地定位在框架上，并且分配器，热源和能量源被固定到框架，使得可以安装框架，分配器，热源和能量源， 从支持单位卸下。

公开(公告)号：US20170014911A1

公开(公告)日：2017-01-19

申请号：US15212098

申请日：2016-07-15

Applicant: Hou T. Ng ,  Nag B. Patibandla ,  Ajey M. Joshi ,  Bharath Swaminathan ,  Ashavani Kumar ,  Eric Ng ,  Bernard Frey ,  Kasiraman Krishnan

Inventor： Hou T. Ng ,  Nag B. Patibandla ,  Ajey M. Joshi ,  Bharath Swaminathan ,  Ashavani Kumar ,  Eric Ng ,  Bernard Frey ,  Kasiraman Krishnan

IPC: B22F7/02 ,  B33Y10/00 ,  B33Y30/00 ,  B22F3/105

CPC classification number: B22F3/1055 ,  B22F1/0014 ,  B22F1/0059 ,  B22F3/008 ,  B22F2003/1056 ,  B22F2003/1057 ,  B22F2207/13 ,  B22F2998/10 ,  B22F2999/00 ,  B29C64/153 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  Y02P10/295

Abstract: Additive manufacturing includes successively forming a plurality of layers on a support. Depositing a layer from the plurality of layers includes dispensing first particles, selectively dispensing second particles in selected regions corresponding to a surface of the object, and fusing at least a portion of the layer. The layer has the first particles throughout and the second particles in the selected regions. Alternatively or in addition, forming the plurality of layers includes depositing multiple groups of layers. Depositing a group of layers includes, for each layer in the group of layers dispensing a feed material to provide the layer, and after dispensing the feed material and before dispensing a subsequent layer fusing a selected portion of the layer. After all layers in the group of layers are dispensed, a volume of the group of layers that extends through all the layers in the group of layers is fused.

Abstract translation: 添加剂制造包括在载体上连续形成多个层。 从多个层沉积层包括分配第一颗粒，在对应于物体的表面的选定区域中选择性地分配第二颗粒，并熔融该层的至少一部分。 该层具有整个的第一颗粒和所选区域中的第二颗粒。 或者或另外，形成多个层包括沉积多组层。 沉积一组层包括分配给料材料以提供层的层组中的每个层，以及在分配进料之后以及在分配融合所述层的选定部分的后续层之后。 在一组层中的所有层分配之后，延伸穿过该组层中的所有层的一组层的体积被熔合。

公开(公告)号：US09539822B2

公开(公告)日：2017-01-10

申请号：US14371336

申请日：2012-01-13

Applicant: Manoj K Bhattacharyya ,  Hou T Ng ,  Laurie S Mittelstadt ,  Wenjia Zhang

Inventor： Manoj K Bhattacharyya ,  Hou T Ng ,  Laurie S Mittelstadt ,  Wenjia Zhang

IPC: G03G9/13 ,  G03G9/125 ,  G03G15/00 ,  G03G15/10 ,  B41J11/00 ,  B41J2/01 ,  B41M7/00 ,  G03G21/00 ,  B41M5/00

CPC classification number: B41J11/0015 ,  B41J2/01 ,  B41M5/0011 ,  B41M7/00 ,  B41M7/0009 ,  G03G9/125 ,  G03G9/132 ,  G03G15/10 ,  G03G15/6585 ,  G03G21/00 ,  G03G2215/00801

Abstract: A digital printing system includes components to apply an ink layer on a substrate, and a deinking applicator. The deinking applicator includes a reservoir and a roller. The reservoir is to contain a deinking solution. The roller is positioned to receive the deinking solution from the reservoir and to coat the substrate with the deinking solution prior to the application of the ink layer or subsequent to the application of the ink layer.

Abstract translation: 数字印刷系统包括将油墨层施加在基材上的组分和脱墨涂布器。 脱墨涂布器包括储存器和辊。 水库应包含脱墨溶液。 辊被定位成从储存器接收脱墨溶液，并且在施加油墨层之前或在施加油墨层之后用脱墨溶液涂覆基材。

公开(公告)号：US20160379851A1

公开(公告)日：2016-12-29

申请号：US15195766

申请日：2016-06-28

Applicant: Bharath Swaminathan ,  Eric Ng ,  Nag B. Patibandla ,  Hou T. Ng ,  Ashavani Kumar ,  Ajey M. Joshi ,  Bernard Frey ,  Kasiraman Krishnan

Inventor： Bharath Swaminathan ,  Eric Ng ,  Nag B. Patibandla ,  Hou T. Ng ,  Ashavani Kumar ,  Ajey M. Joshi ,  Bernard Frey ,  Kasiraman Krishnan

IPC: H01L21/67 ,  H01L21/677 ,  C23C16/455 ,  H01J37/32 ,  C23C16/50

CPC classification number: H01L21/67115 ,  B22F3/008 ,  B22F3/1055 ,  B22F2003/1056 ,  B22F2999/00 ,  C23C16/481 ,  C23C16/505 ,  H01J37/32724 ,  H01J37/32743 ,  H01L21/02274 ,  H01L21/0262 ,  H01L21/28556 ,  H01L21/3065 ,  H01L21/31116 ,  H01L21/31138 ,  H01L21/32136 ,  Y02P10/295 ,  B22F2202/13

Abstract: A semiconductor processing system includes a vacuum chamber, a gas source configured to supply a gas to the chamber, a platen having a top surface in the chamber to support a substrate, the platen including a conductive plate, a robot to transport the substrate onto and off of the platen, a first plurality of lamps disposed below the top surface of the platen to heat the platen, and an RF power source to generate a plasma in the chamber above the platen.

Abstract translation: 半导体处理系统包括真空室，被配置为向腔室供应气体的气源，具有在腔室中的顶表面支撑衬底的压板，压板包括导电板，机器人将衬底输送到 离开压板，布置在压板顶部表面下方以加热压板的第一组多个灯，以及RF电源，以在压板上方的腔室中产生等离子体。

公开(公告)号：US09442405B2

公开(公告)日：2016-09-13

申请号：US14353672

申请日：2011-10-25

Applicant: Doris Chun ,  Hou T. Ng ,  Albert Teishev

Inventor： Doris Chun ,  Hou T. Ng ,  Albert Teishev

IPC: G03G9/13 ,  G03G9/16 ,  C09D11/10 ,  C09D11/03 ,  G03G15/10

CPC classification number: G03G9/16 ,  C09D11/03 ,  C09D11/10 ,  G03G9/13 ,  G03G9/131 ,  G03G9/132 ,  G03G15/10

Abstract: The present disclosure provides for compositions, methods, and systems directed towards a liquid electrophotographic ink comprising a carrier fluid, a pigment, a first resin, and a stable cross-linkable resin that is solvated or swellable with the carrier fluid, where the stable cross-linkable resin does not undergo cross-linking until a temperature of at least 110° C. and, once cross-linked, does not melt until a temperature of at least 300° C.

Abstract translation: 本公开提供了针对液体电子照相油墨的组合物，方法和系统，其包含载体流体，颜料，第一树脂和与载体流体溶剂化或溶胀的稳定的可交联树脂，其中稳定的交联 可连接的树脂直到达到至少110℃的温度并且一旦交联才直到温度至少为300℃才熔融才进行交联。

公开(公告)号：US09244390B2

公开(公告)日：2016-01-26

申请号：US14391137

申请日：2012-07-31

Applicant: Quang P Lam ,  Doris Chun ,  Hou T. Ng

Inventor： Quang P Lam ,  Doris Chun ,  Hou T. Ng

IPC: G03G15/10 ,  G03G15/08 ,  G01N27/02 ,  G03G21/00

CPC classification number: G03G15/105 ,  B41P2200/21 ,  G01N27/02 ,  G03G15/0851 ,  G03G21/0011

Abstract: Techniques to determine concentration parameters of conductive liquid electrophoretic (LEP) inks are illustrated herein. In an example, a layer of conductive LEP ink is formed on a developer roller using electrostatic forces acting on the conductive LEP ink. A current is generated in response to a voltage between a measurement electrode and a developer roller. The current flows through the conductive LEP ink layer.

Abstract translation: 确定导电液体电泳（LEP）油墨的浓度参数的技术在本文中示出。 在一个示例中，使用作用在导电LEP油墨上的静电力在显影辊上形成导电LEP油墨层。 响应于测量电极和显影辊之间的电压而产生电流。 电流流过导电LEP油墨层。

公开(公告)号：US09156999B2

公开(公告)日：2015-10-13

申请号：US13193329

申请日：2011-07-28

Applicant: Hou T. Ng ,  Doris Chun

Inventor： Hou T. Ng ,  Doris Chun

IPC: B29C35/08 ,  C08L63/00 ,  C09D11/101 ,  B29C67/00 ,  C09D11/322

CPC classification number: C09D11/101 ,  B29C64/112 ,  B29C67/0059 ,  B29C2035/0827 ,  B33Y70/00 ,  C09D11/322

Abstract: The present disclosure is drawn toward compositions, systems, and methods for printing of three-dimensional objects. In one embodiment, a liquid inkjettable material for 3-dimensional printing can comprise from 0.1 wt % to 10 wt % of a pigment, from 10 wt % to 90 wt % of a UV-curable polymer, and from 0.1 wt % to 70 wt % of a polymeric filler. Additionally, the liquid inkjettable material can be jettable from piezo electric inkjet printer nozzles and has acceptable decap performance measured by jetting a normal 50 picoliter ink drop within 10 electric firing pulses after the piezo electric inkjet printer nozzles have been fired and have been subsequently rested for 24 hours.

Abstract translation: 本公开涉及用于印刷三维物体的组合物，系统和方法。 在一个实施方案中，用于三维印刷的液体可喷墨材料可以包含0.1重量％至10重量％的颜料，10重量％至90重量％的可UV固化聚合物，以及0.1重量％至70重量％ ％的聚合物填料。 此外，液体可喷墨材料可以从压电喷墨打印机喷嘴喷射，并且具有可接受的剥离性能，其通过在压电喷墨打印机喷嘴已经被点火之后在10个电击打脉冲内喷射正常的50皮升墨滴而测量，并且随后被搁置 24小时。

公开(公告)号：US09017915B2

公开(公告)日：2015-04-28

申请号：US12831896

申请日：2010-07-07

Applicant: Sivapackia Ganapathiappan ,  Hou T. Ng

Inventor： Sivapackia Ganapathiappan ,  Hou T. Ng

IPC: G03G13/10 ,  G03G15/10 ,  G03G9/12 ,  G03G9/125 ,  G03G9/13 ,  G03G9/135

CPC classification number: G03G15/10 ,  G03G9/122 ,  G03G9/125 ,  G03G9/13 ,  G03G9/131 ,  G03G9/135 ,  G03G9/1355

Abstract: The present disclosure provides inks, systems, and methods directed towards dispersed pigments. In one embodiment, an electrophotographic ink can comprise an aliphatic solvent and a pigment having a surface comprising carbonyl groups stabilized by an amine dispersant having the structure: R1R2N[(CH2)nNR5]m(CH2)pNR3R4, where R1, R3, R4, and R5 are independently selected from the group of H; COR6; COOR6; CONHR6; linear or branched, substituted or unsubstituted, alkyl; linear or branched, substituted or unsubstituted, aryl; and combinations thereof; R2 is an aliphatic polymer chain; R6 is selected from the group of H; linear or branched, substituted or unsubstituted, alkyl; linear or branched, substituted or unsubstituted, aryl; and combinations thereof; m is from 0 to 200; n is from 1 to 20; and p is from 1 to 20; where the electrophotographic ink has a low field conductivity of less than 200 pS/cm and a viscosity from about 0.5 to about 40 cps.

Abstract translation: 本公开提供了针对分散颜料的油墨，系统和方法。 在一个实施方案中，电子照相油墨可以包含脂族溶剂和具有包含由具有以下结构的胺分散剂稳定的羰基的表面的颜料：R1R2N [（CH2）nNR5] m（CH2）pNR3R4，其中R1，R3，R4， 和R 5独立地选自H; COR6; COOR6; CONHR6; 直链或支链的，取代或未取代的烷基; 直链或支链的，取代或未取代的芳基; 及其组合; R2是脂族聚合物链; R6选自H; 直链或支链的，取代或未取代的烷基; 直链或支链的，取代或未取代的芳基; 及其组合; m为0〜200; n为1〜20; p为1〜20; 其中电子照相油墨具有小于200pS / cm的低场电导率和约0.5至约40cps的粘度。