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1. 发明授权

US08729745B2 Multiple-phase linear switched reluctance motor 有权
标题翻译：多相线性开关磁阻电机
公开(公告)号：US08729745B2
公开(公告)日：2014-05-20
申请号：US12910969
申请日：2010-10-25
申请人： Wai Chuen Gan , Gary Peter Widdowson , Siu Yan Ho
发明人： Wai Chuen Gan , Gary Peter Widdowson , Siu Yan Ho
IPC分类号： H02K41/02 , H02K41/03
CPC分类号： H02K41/03 , H02P25/06 , H02P25/08
摘要： A linear switched reluctance motor comprises a movable coil bracket including first and second coil assemblies. Each of the first and second coil assemblies further comprises a plurality of coils separately wound around a plurality of motor coil cores, each of the coils being configured to receive a sinusoidal current at a different phase from other coils comprised in the same coil assembly. Tooth members of a stator track are located adjacent to the motor coil cores such that a magnetic flux path is created which passes through the motor coil core, the stator track and an air gap between the motor coil core and the stator track. A multiple-phase motor driver electrically connected to the first and second coil assemblies generates symmetric multiple-phase sinusoidal currents for driving the motor.
摘要翻译：线性开关磁阻电动机包括包括第一和第二线圈组件的可动线圈支架。第一线圈组件和第二线圈组件中的每一个还包括分别卷绕在多个电动机线圈芯上的多个线圈，每个线圈被配置为接收与包括在同一线圈组件中的其它线圈不同相位的正弦电流。定子轨道的齿构件位于电动机线圈芯附近，使得产生通过电动机线圈芯，定子轨道和电动机线圈芯与定子轨道之间的气隙的磁通路径。电连接到第一和第二线圈组件的多相电动机驱动器产生用于驱动电动机的对称多相正弦电流。

2. 发明申请

US20130292454A1 APPARATUS AND METHOD FOR DETERMINING AN ALIGNMENT OF A BONDHEAD OF A DIE BONDER RELATIVE TO A WORKCHUCK 有权
标题翻译：用于确定相对于工作单位的DIE BONDER的BONDHEAD的对准的装置和方法
公开(公告)号：US20130292454A1
公开(公告)日：2013-11-07
申请号：US13463970
申请日：2012-05-04
申请人： Chung Sheung YUNG , Chi Ming CHONG , Gary Peter WIDDOWSON
发明人： Chung Sheung YUNG , Chi Ming CHONG , Gary Peter WIDDOWSON
IPC分类号： B23K37/00
CPC分类号： H01L24/75 , B23K2101/40 , H01L2224/757 , H01L2224/75901
摘要： Disclosed is an apparatus for determining an alignment of a bondhead of a die bonder relative to a workchuck. Specifically, the apparatus comprises: i) a sensor configured to measure a distance between the bondhead and the sensor; and ii) a positioning device coupled to the sensor, the positioning device being configured to position the sensor relative to a plurality of locations on the bondhead facing the sensor. In particular, the sensor is operative to measure a set of distances between each of the plurality of locations on the bondhead and the sensor, the set of distances being for determining the alignment of the bondhead. A method of determining an alignment of a bondhead of a die bonder relative to a workchuck is also disclosed.
摘要翻译：公开了一种用于确定管芯接合器相对于工件的接合头的对准的装置。具体地，该装置包括：i）被配置为测量接合头和传感器之间的距离的传感器; 以及ii）联接到所述传感器的定位装置，所述定位装置被配置为相对于面向所述传感器的所述接合头上的多个位置定位所述传感器。特别地，传感器用于测量接合头上的多个位置和传感器之间的距离集合，该距离集合用于确定接合头的对准。还公开了一种确定管芯接合器相对于工作台的接合头的对准的方法。

3. 发明授权

US08324848B2 System for maintaining thermal stability of a motion stage 有权
标题翻译：用于保持运动阶段的热稳定性的系统
公开(公告)号：US08324848B2
公开(公告)日：2012-12-04
申请号：US12366275
申请日：2009-02-05
申请人： Gary Peter Widdowson , Wai Chuen Gan , Cheuk Wah Tang , Chor Fai Wong
发明人： Gary Peter Widdowson , Wai Chuen Gan , Cheuk Wah Tang , Chor Fai Wong
IPC分类号： H02P6/00 , H02P5/00 , H02P7/00 , G05D23/275 , G01N25/00
CPC分类号： G05B19/404 , G05B2219/37429 , G05B2219/49209 , Y02P90/265
摘要： A system for maintaining thermal stability of a motion stage driven by a motor comprises a motion current generator operative to produce a motion current to drive the motion stage to move and a thermal current generator operative to produce a thermal current to dissipate heat in the motion stage for controlling a temperature of the motion stage without producing corresponding movement of the motion stage. A summation controller is operative to combine the motion current with the thermal current, and to produce a combined current output to the motor.
摘要翻译：用于维持由电动机驱动的运动台的热稳定性的系统包括运动电流发生器，其运行以产生运动电流以驱动运动级运动，并且热电发生器可操作以产生热电流以在运动级中散热用于控制运动舞台的温度而不产生运动舞台的相应运动。总和控制器可操作以将运动电流与热电流组合，并产生组合的电流输出到电动机。

4. 发明授权

US08013561B2 Driving mechanism having position encoder for two-dimensional positioning 有权
标题翻译：具有用于二维定位的位置编码器的驱动机构
公开(公告)号：US08013561B2
公开(公告)日：2011-09-06
申请号：US12206831
申请日：2008-09-09
申请人： Wai Chuen Gan , Gary Peter Widdowson
发明人： Wai Chuen Gan , Gary Peter Widdowson
IPC分类号： B64C17/06
CPC分类号： H02K41/03 , H02K11/225 , H02K16/00 , H02K21/16 , H02K24/00 , H02K2201/18
摘要： A driving mechanism comprises a fixed housing, a movable housing on which an object to be driven is mounted and a driving motor which is operative to drive the movable housing to move linearly as well as to rotate relative to the fixed housing. An inductance-type encoder determines both linear and rotary displacement of the movable housing relative to the fixed housing, whereby to provide closed-loop control of the position of the object in both linear and rotary directions.
摘要翻译：驱动机构包括：固定壳体，安装被驱动物体的可动壳体;以及驱动马达，其可操作地驱动可动壳体线性运动以及相对于固定壳体旋转。电感型编码器确定可移动壳体相对于固定壳体的线性和旋转位移，从而在线性和旋转方向上提供物体的位置的闭环控制。

5. 发明授权

US07808133B1 Dual-axis planar motor providing force constant and thermal stability 有权
标题翻译：双轴平面电机提供力常数和热稳定性
公开(公告)号：US07808133B1
公开(公告)日：2010-10-05
申请号：US12427224
申请日：2009-04-21
申请人： Gary Peter Widdowson , Wai Chuen Gan
发明人： Gary Peter Widdowson , Wai Chuen Gan
IPC分类号： H02K41/02
CPC分类号： H02K41/03 , H02K2201/18
摘要： A motor is provided comprising a magnet assembly having two rows of magnets arranged along a first axis, which are separated by a gap for generating magnetic flux lines between the rows of magnets. The motor further comprises a coil bracket which is located within the gap between the two rows of magnets. The coil bracket includes a first set of coils arranged along the first axis that are operative to drive movement of the coil bracket relative to the magnet assembly along the first axis. A second set of coils arranged along the first axis are operative to drive movement of the coil bracket relative to the magnet assembly along a second axis which is orthogonal to the first axis between a first end position and a second end position along the second axis. The first set of coils is fully located within the flux lines generated by the magnet assembly at both the first and second end positions of the coil bracket and the second set of coils is located at least partially outside the flux lines generated by the magnet assembly at the second end position of the coil bracket.
摘要翻译：提供一种电动机，其包括具有沿着第一轴布置的两排磁体的磁体组件，所述磁体组被间隔开，以在所述磁体排之间产生磁通线。电动机还包括位于两排磁体之间的间隙内的线圈支架。线圈支架包括沿着第一轴线布置的第一组线圈，其可操作以驱动线圈支架相对于磁体组件沿着第一轴线的运动。沿着第一轴线布置的第二组线圈可操作以沿着沿着第二轴线的第一端部位置和第二端部位置之间的与第一轴线正交的第二轴线驱动线圈支架相对于磁体组件的运动。第一组线圈完全位于由磁体组件在线圈支架的第一和第二端部位置处产生的磁通线内，并且第二组线圈至少部分地位于由磁体组件产生的磁通线的外侧线圈支架的第二端位置。

6. 发明申请

US20090261537A1 COLLET MOUNTING ASSEMBLY FOR A DIE BONDER 有权
标题翻译：胶管安装组件
公开(公告)号：US20090261537A1
公开(公告)日：2009-10-22
申请号：US12106368
申请日：2008-04-21
申请人： Xiangsheng PAN , Gary Peter WIDDOWSON
发明人： Xiangsheng PAN , Gary Peter WIDDOWSON
IPC分类号： B23B31/20
CPC分类号： H01L21/6838 , Y10T279/17316 , Y10T279/17324 , Y10T279/17411
摘要： A collet mounting assembly for a die bonder comprises a collet mount having a first end attached to the die bonder and a second end opposite the first end with a cavity defined in the second end for receiving a shaft of the collet. The collet mounting assembly further comprises a fastener for securing the collet inside the cavity of the collet mount. A compression force is generated around the shaft of the collet received in the collet mount by the flexing of the fastener when it is attached to the collet mount, for securing the collet within the cavity of the collet mount.
摘要翻译：一种用于管芯接合器的夹头安装组件包括夹头安装件，其具有附接到管芯接合器的第一端和与第一端相对的第二端，其中第二端限定在第二端中以容纳夹头的轴。夹头安装组件还包括用于将夹头固定在夹头安装件的腔体内的紧固件。当紧固件附接到夹头安装件时，通过紧固件的弯曲在夹头安装件中接收的夹头的轴周围产生压缩力，以将夹头固定在夹头安装件的空腔内。

7. 发明申请

US20080093936A1 LINEAR MOTOR HAVING DUAL COIL CONFIGURATION 有权
标题翻译：具有双线圈配置的线性电机
公开(公告)号：US20080093936A1
公开(公告)日：2008-04-24
申请号：US11550866
申请日：2006-10-19
申请人： Gary Peter WIDDOWSON , Dazhang LIAO
发明人： Gary Peter WIDDOWSON , Dazhang LIAO
IPC分类号： H02K41/00
CPC分类号： H02K41/03 , H02K3/28 , H02K16/04
摘要： A linear motor is provided that comprises a magnetic assembly, a movable element and a coil assembly that is operative to interact with the magnetic assembly to drive the movable element along a direction. The coil assembly further comprises a first coil section having a first motor force constant and a second coil section having a second motor force constant that is lower than that of the first coil section for driving the movable element along the said direction.
摘要翻译：提供一种线性电动机，其包括磁性组件，可移动元件和线圈组件，其可操作以与磁性组件相互作用以沿着一个方向驱动可移动元件。线圈组件还包括具有第一马达力常数的第一线圈段和具有低于第一线圈段的第二马达力常数的第二线圈段，用于沿着所述方向驱动可移动元件。

8. 发明授权

US07305757B2 Die ejector system using linear motor 有权
标题翻译：使用线性电机的喷射器系统
公开(公告)号：US07305757B2
公开(公告)日：2007-12-11
申请号：US10801452
申请日：2004-03-15
申请人： Ajit Gaunekar , Gary Peter Widdowson , Gang Ou
发明人： Ajit Gaunekar , Gary Peter Widdowson , Gang Ou
IPC分类号： B23P19/00
CPC分类号： H01L21/67132 , Y10T29/49819 , Y10T29/53174 , Y10T29/53178 , Y10T29/53274
摘要： A die ejector system and method for removing a die from an adhesive surface. The system includes an ejector tool that is operative to move relative to the die whereby to push the die. The ejector tool may consist of a collet holder and an ejector pin array. A shaft holds the ejector tool and is in turn coupled to a forcer of a linear motor. The forcer is movable relative to a stator of the linear motor flexure bearings coupled to the shaft guide movement of the ejector tool relative to the die. After the die is pushed by the ejector tool, a die pick-up device removes the die from the adhesive surface.
摘要翻译：一种用于从粘合剂表面去除模具的模具喷射器系统和方法。该系统包括一个推进器工具，其可操作以相对于管芯移动，从而推动模具。喷射器工具可以由夹头固定器和顶针阵列组成。轴保持顶出器工具，并且又连接到线性马达的推动器。该推进器相对于线性电动机挠性轴承的定子可移动，该定子联接到顶出器工具相对于模具的轴引导件运动。在模具被推出工具推动之后，模具拾取装置将模具从粘合剂表面移除。

9. 发明授权

US07303647B2 Driving mechanism for chip detachment apparatus 有权
标题翻译：排屑装置的驱动机构
公开(公告)号：US07303647B2
公开(公告)日：2007-12-04
申请号：US10977674
申请日：2004-10-29
申请人： Yiu Ming Cheung , Shiqiang Yao , Gary Peter Widdowson
发明人： Yiu Ming Cheung , Shiqiang Yao , Gary Peter Widdowson
IPC分类号： B32B38/10
CPC分类号： H01L21/6835 , H01L21/67132 , H01L21/67144 , H01L2221/68381 , H01L2221/68386 , Y10S156/932 , Y10S438/976 , Y10T156/1179 , Y10T156/1978 , Y10T156/1983
摘要： A driving mechanism and method are provided for driving a detachment tool adapted to detach a chip from an adhesive tape to which the chip is mounted. The mechanism includes a first actuator coupled to the detachment tool and operative to drive the detachment tool to move along a first axis substantially perpendicular to a surface of the chip, and a second actuator coupled to the detachment tool and operative to drive the detachment tool to move adjacent to a width of the chip along a second axis perpendicular to the first axis. The first actuator is configured for programmable movement along the first axis with respect to the chip in conjunction with the second actuator for movement adjacent the width of the chip to provide controlled lifting of the chip for propagation of delamination between the chip and the adhesive tape.
摘要翻译：提供驱动机构和方法，用于驱动适于将芯片从安装有芯片的胶带剥离的拆卸工具。该机构包括联接到分离工具的第一致动器并且可操作地驱动分离工具沿着基本上垂直于芯片的表面的第一轴线移动;以及第二致动器，其联接到分离工具并且可操作以驱动拆卸工具沿垂直于第一轴线的第二轴线相邻于芯片的宽度移动。第一致动器被配置用于相对于芯片与第二致动器相关的第一轴线的可编程移动，以便相邻于芯片的宽度移动，以提供芯片的受控提升，以在芯片和胶带之间传播分层。

10. 发明授权

US07202956B2 Translation mechanism for opto-mechanical inspection 有权
标题翻译：光机械检查翻译机制
公开(公告)号：US07202956B2
公开(公告)日：2007-04-10
申请号：US10962119
申请日：2004-10-08
申请人： Ajit S. Gaunekar , Gary Peter Widdowson
发明人： Ajit S. Gaunekar , Gary Peter Widdowson
IPC分类号： G01B11/24
CPC分类号： G01B5/0004 , G01B11/0608 , G01B11/2527 , G02B21/26
摘要： An apparatus is disclosed for moving an optical component of an opto-mechanical inspection system relative to an object to be inspected using a linear actuator comprising a coil located in a magnetic field created by a magnet assembly. A translation stage is coupled to either of said coil and magnet assembly whereby the translation stage is configured for motion relative to the other of said coil and magnet assembly. Movement of the translation stage is configured along a plane that is substantially perpendicular to a direction of incident light projected from a light source through the optical component onto the object.
摘要翻译：公开了一种用于使用包括位于由磁体组件产生的磁场中的线圈的线性致动器相对于待检查物体移动光机械检查系统的光学部件的装置。平移台耦合到所述线圈和磁体组件中的任一个，由此平移台配置成相对于所述线圈和磁体组件中的另一个运动。平移台的移动沿着基本上垂直于从光源通过光学部件投射到物体上的入射光的方向的平面配置。

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