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1.发明公开公开(公告)号：US20240091876A1
公开(公告)日：2024-03-21
申请号：US18510842
申请日：2023-11-16
CPC分类号： B23K20/10 , B23K20/002 , B23K37/04 , H05K3/328 , B23K2101/40
摘要： An ultrasonic welding system is provided. The ultrasonic welding system includes a support structure for supporting a workpiece. The ultrasonic welding system also includes a weld head assembly including an ultrasonic converter carrying a sonotrode. The ultrasonic welding system also includes a conductive pin supply configured to provide a plurality of conductive pins for welding using the sonotrode.
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公开(公告)号：US11865633B2
公开(公告)日：2024-01-09
申请号：US18104423
申请日：2023-02-01
发明人： Hui Xu , Wei Qin , D. Matthew Odhner
IPC分类号： B23K20/00 , B23K20/26 , B23K101/40 , H01L23/00
CPC分类号： B23K20/007 , B23K20/004 , B23K20/26 , B23K2101/40 , H01L24/85 , H01L2224/859 , H01L2224/85035
摘要： A method of operating a wire bonding machine is provided. The method includes: (a) operating a wire bonding machine during at least one of (i) an automatic wire bonding operation and (ii) a dry cycle wire bonding operation, wherein a bonding force is applied during the operation of the wire bonding machine; and (b) monitoring an accuracy of the bonding force of the wire bonding machine during the at least one of (i) an automatic wire bonding operation and (ii) a dry cycle wire bonding operation.
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3.发明公开公开(公告)号：US20230260953A1
公开(公告)日：2023-08-17
申请号：US18108725
申请日：2023-02-13
CPC分类号： H01L24/75 , B01D53/40 , H01L24/81 , H01L2224/751 , H01L2224/759 , B01D2258/0216 , H01L2224/81203 , H01L2224/81986 , H01L2224/81908 , H01L2224/81065 , H01L2924/40
摘要： A method of monitoring gas byproducts of a bonding system is provided. The method includes: providing a plurality of bonding systems, each of the bonding systems including a reducing gas delivery system for use in connection with a bonding operation, each of the bonding systems being configured for exhausting gas byproducts; connecting each of the bonding systems to a monitoring device using a respective gas delivery path; and monitoring a composition of at least a portion of the gas byproducts with the monitoring device.
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4.发明公开公开(公告)号：US20230170325A1
公开(公告)日：2023-06-01
申请号：US18096179
申请日：2023-01-12
CPC分类号： H01L24/78 , H01L24/85 , H01L22/12 , H01L22/14 , H01L2224/78621
摘要： A method of determining a bonding status between a wire and at least one bonding location of a workpiece is provided. The method includes the steps of: (a) bonding a portion of a wire to a bonding location of a workpiece using a bonding tool of a wire bonding machine; (b) determining a motion profile of the bonding tool for determining if the portion of the wire is bonded to the bonding location, the motion profile being configured to result in the wire being broken during the motion profile if the portion of the wire is not bonded to the bonding location; and (c) moving the bonding tool along the motion profile to determine if the portion of the wire is bonded to the bonding location. Other methods of determining a bonding status between a wire and at least one bonding location of a workpiece are also provided.
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公开(公告)号：US20230154888A1
公开(公告)日：2023-05-18
申请号：US17987708
申请日：2022-11-15
发明人： Jon W. Brunner , Wei Qin , Aashish Shah , Hui Xu , Jeong Ho Yang
CPC分类号： H01L24/78 , H01L24/85 , B23K20/10 , H01L24/48 , H01L2224/48221 , H01L2924/386 , H01L2224/78001 , H01L2224/78343 , H01L2224/78901 , H01L2224/7892 , H01L2224/78925 , H01L2224/85986 , H01L2224/859 , H01L2224/85205 , B23K2101/40
摘要： A method of calibrating an ultrasonic characteristic on a wire bonding system is provided. The method includes the steps of: (a) determining a reference ultrasonic characteristic for formation of a wire bond; (b) determining a reference non-stick ultrasonic characteristic that results in a non-stick wire bond condition; (c) determining a calibration non-stick ultrasonic characteristic, on a wire bonding system to be calibrated, that results in a non-stick wire bond condition; and (d) determining a calibration factor for the wire bonding system to be calibrated using the reference non-stick ultrasonic characteristic and the calibration non-stick ultrasonic characteristic.
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公开(公告)号：US11597031B2
公开(公告)日：2023-03-07
申请号：US17517827
申请日：2021-11-03
发明人： Hui Xu , Wei Qin , D. Matthew Odhner
IPC分类号： B23K20/00 , B23K20/26 , B23K101/40 , H01L23/00
摘要： A method of operating a wire bonding machine is provided. The method includes: (a) operating a wire bonding machine during at least one of (i) an automatic wire bonding operation and (ii) a dry cycle wire bonding operation, wherein a bonding force is applied during the operation of the wire bonding machine; and (b) monitoring an accuracy of the bonding force of the wire bonding machine during the at least one of (i) an automatic wire bonding operation and (ii) a dry cycle wire bonding operation.
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公开(公告)号：US20230043068A1
公开(公告)日：2023-02-09
申请号：US17969028
申请日：2022-10-19
IPC分类号： B23K20/10 , B23K101/32
摘要： An ultrasonic welding system is provided. The ultrasonic welding system includes a support structure for supporting a workpiece. The ultrasonic welding system also includes a weld head assembly including an ultrasonic converter carrying a sonotrode. The ultrasonic welding system also includes a z-axis motion system carrying the weld head assembly. The z-axis motion system includes (i) a z-axis forcer for moving the weld head assembly along a z-axis of the ultrasonic welding system, and (ii) a z-axis overtravel mechanism disposed between the z-axis forcer and the weld head assembly.
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公开(公告)号：US11387727B2
公开(公告)日：2022-07-12
申请号：US16850501
申请日：2020-04-16
摘要： A linear motor is provided, including a moving magnet assembly including (i) a magnet track, (ii) a first plurality of permanent magnets coupled to the magnet track, and (iii) a second plurality of permanent magnets coupled to the magnet track and arranged below the first plurality of permanent magnets. The linear motor also includes a first coil assembly arranged above the moving magnet assembly. The first coil assembly includes a first plurality of teeth having first slots therebetween and a first plurality of coils at least partially disposed in at least a portion of the first slots. The linear motor also includes a second coil assembly arranged below the moving magnet assembly. The second coil assembly includes a second plurality of teeth having second slots therebetween and a second plurality of coils at least partially disposed in at least a portion of the second slots.
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公开(公告)号：US20220187353A1
公开(公告)日：2022-06-16
申请号：US17544677
申请日：2021-12-07
摘要： A method of detecting potential issues in connection with engagement between a wire bonding tool and an ultrasonic transducer of a wire bonding machine is provided. The method includes the steps of: (a) providing electrical power to an ultrasonic transducer at each of a plurality of levels of electrical power; (b) detecting an electrical characteristic of the ultrasonic transducer at each of the plurality of levels of electrical power; and (c) determining if the electrical characteristic of the ultrasonic transducer at each of the plurality of levels of electrical power is acceptable.
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公开(公告)号：US20220143737A1
公开(公告)日：2022-05-12
申请号：US17586105
申请日：2022-01-27
IPC分类号： B23K20/10
摘要： An ultrasonic welding system is provided. The ultrasonic welding system includes a support structure for supporting a workpiece. The ultrasonic welding system also includes a weld head assembly including an ultrasonic converter carrying a sonotrode. The ultrasonic welding system also includes a z-axis motion system carrying the weld head assembly. The z-axis motion system includes (i) a z-axis forcer for moving the weld head assembly along a z-axis of the ultrasonic welding system, and (ii) a z-axis overtravel mechanism disposed between the z-axis forcer and the weld head assembly.
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