Patents by Inventor Hung-Wen Chen
Hung-Wen Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11338441Abstract: A calibration system for robot tool including a robot arm adopting a first coordinate system, a tool arranged on a flange of the robot arm, and an imaging device adopting a second coordinate system is disclosed, wherein an image sensing area is established by the image device. A calibration method is also disclosed and includes steps of: controlling the robot arm to move for leading a tool working point (TWP) of the tool enters the image sensing area; recording a current gesture of the robot arm as well as a specific coordinate of the TWP currently in the second coordinate system; obtaining a transformation matrix previously established for describing a relationship between the first and the second coordinate systems; and importing the specific coordinate and the current gesture to the transformation matrix for calculating an absolute position of the TWP in the first coordinate system.Type: GrantFiled: March 5, 2020Date of Patent: May 24, 2022Assignee: DELTA ELECTRONICS, INC.Inventors: Yi-Jiun Shen, Yu-Ru Huang, Hung-Wen Chen
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Publication number: 20220155314Abstract: An isolated pluripotent trophoblast stem (TS) cell preparation, and methods of preparing the cell preparation and a disease model for a pregnancy related disorder are provided. The cell preparation includes cells that are capable of indefinite proliferation in vitro in an undifferentiated state and capable of differentiation into cells of the trophoblast lineage in vitro or in vivo.Type: ApplicationFiled: November 19, 2021Publication date: May 19, 2022Inventors: Hung-Wen Chen, Liang-Jie Wang, Chie-Pein Chen
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Patent number: 11315815Abstract: A wafer container includes at least one shelf and a frame. The shelf is capable of holding at least one wafer, and has at least one opening therein. The opening is at least partially exposed by the wafer when the wafer is hold by the shelf. The frame carries the shelf and allows access to the shelf.Type: GrantFiled: January 5, 2016Date of Patent: April 26, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Po-Hsun Tseng, Yan-Hong Liu, Wen-Han Tan, Hung-Wen Chen
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Publication number: 20220093429Abstract: The present disclosure provides a system and method for predicting wafer fabrication defects resulting from plasma processing of wafers in a plasma processing chamber. The system and method include processing electromagnetic signals emitted from residual compounds peeled from the chamber walls during the plasma processing of the wafers to indirectly determine the likelihood that the wafers are incurring fabrication processing defects during the plasma processing.Type: ApplicationFiled: September 21, 2020Publication date: March 24, 2022Inventors: Chen-Tai CHEN, Jing-Ran LIN, Jer-Shien YANG, Hung-Wen CHEN, I-Ling KUO, Yu-Hsun CHIANG
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Publication number: 20220082787Abstract: A laser processing device for processing a workpiece is provided, including a laser emitter, a lens module, a driving module, a camera module, and a processing unit. The lens module has a first lens and a second lens, wherein the laser emitter emits a laser beam through the first and second lenses to the workpiece. The driving module drives the first lens to move relative to the second lens. The camera module captures an image of the workpiece. The processing unit is electrically connected to the camera module and the driving module, wherein the camera module transmits an image signal to the processing unit according to the image of the workpiece, and the processing unit transmits a driving signal to the driving module according to the image signal, driving the first lens to move relative to the second lens. A method for processing a workpiece is also provided.Type: ApplicationFiled: February 23, 2021Publication date: March 17, 2022Inventors: Hung-Wen CHEN, Ren-Feng DING, Shih-Yung CHIU, Shu-Han WU, Keng-Ning CHANG
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Publication number: 20220009029Abstract: A laser soldering device includes a laser source, a lens group, a temperature sensor, and a feedback controller. The laser source emits a laser beam, which is power-adjustable, according to a control signal. The temperature sensor receives infrared rays radiated when the laser beam is irradiated to the soldering point to detect the temperature of the soldering point, and correspondingly outputs a sensing signal according to the detected temperature. When the detected temperature falls into a first temperature range based on a target temperature, the feedback controller executes a PID algorithm to calculate a predicted error value according to an error value between the detected temperature and the target temperature. The feedback controller controls the laser source according to the predicted error value, and adjusts the power of the laser beam accordingly, so that the detected temperature can be substantially equal to the target temperature.Type: ApplicationFiled: September 22, 2020Publication date: January 13, 2022Inventors: Ren-Feng DING, Hung-Wen CHEN, Shu-Han WU
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Patent number: 11219972Abstract: A soldering process method includes the following steps. A temperature profile of generating a solder structure is measured. A final product of the solder structure is tested and recorded. A machine learning method is used to repeatedly compare and analyze a relationship between a plurality of the temperature profiles of the solder structure and a corresponding final product of the solder structure so as to find an optimal temperature profile model in accordance with quality control requirements.Type: GrantFiled: August 21, 2018Date of Patent: January 11, 2022Assignee: DELTA ELECTRONICS, INC.Inventors: Shu-Han Wu, Hung-Wen Chen, Qi-Ming Huang, Yang-Hao Chou, Yun-Chung Sun
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Patent number: 11145527Abstract: A method for transporting a cassette pod for containing semiconductor wafers is provided. The method includes transporting a cassette pod configured to receive a semiconductor wafer with a transporting apparatus. The method further includes supplying a gas from a cylinder into a housing of the cassette pod. The cylinder is externally positioned on the housing. The method also includes detecting a gas pressure in the cylinder with a detection element. In addition, the method includes issuing a signal to the transporting apparatus when the gas pressure in the cylinder is lower than a predetermined limit.Type: GrantFiled: October 8, 2019Date of Patent: October 12, 2021Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTDInventors: Wei-Yu Lai, Hung-Wen Chen
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Patent number: 11101163Abstract: In an embodiment, a system includes: an airlock; a first semiconductor processing chamber, a second semiconductor processing chamber; and a transfer module configured to move a sensor into and out of the first semiconductor processing chamber and the second semiconductor processing chamber, wherein the sensor is configured to: collect sensor data characterizing the first semiconductor processing chamber when within the first semiconductor processing chamber; and collect sensor data characterizing the second semiconductor processing chamber when within the second semiconductor processing chamber, wherein the transfer module, the first semiconductor processing chamber, and the second semiconductor processing chamber are within a controlled internal atmosphere on a first side of the airlock and separated by the airlock from an uncontrolled external atmosphere on a second side of the airlock.Type: GrantFiled: November 13, 2018Date of Patent: August 24, 2021Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Yan-Hong Liu, Hung-Wen Chen, Che-Fu Chen
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Publication number: 20210233797Abstract: In an embodiment, a robotic arm includes: a base; at least one link secured to the base; a gripper secured to the at least one link, wherein: the gripper comprises a finger, the gripper is configured to secure a wafer while the at least one link is in motion, and the gripper is configured to release the wafer while the at least one link is stopped, a sensor disposed on the finger, the sensor configured to collect sensor data characterizing the robotic arm's interaction with a semiconductor processing chamber while the wafer is secured using the finger.Type: ApplicationFiled: April 9, 2021Publication date: July 29, 2021Inventors: Yan-Hong Liu, Ming-Feng Chen, Che-fu Chen, Hung-Wen Chen
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Patent number: 10992143Abstract: A power bank has a station and a plurality of battery modules. When the battery modules are stacked on the station, rechargeable batteries of the battery modules are electrically connected in parallel. When a charging port of the station is electrically connected to an external power supply, a charging-discharging control circuit of the station receives electric energy from the external power supply via the charging port and uses the received electric energy to charge the rechargeable batteries. When a discharging port of the station is electrically connected to an external electronic device, the charging-discharging control circuit transfers electric energy received from the rechargeable batteries to the external electronic device. Each of the battery modules is replaceable, and the total number of the battery modules of the power bank is adjustable.Type: GrantFiled: March 14, 2018Date of Patent: April 27, 2021Assignee: Gemtek Technology Co., Ltd.Inventors: Hung-Wen Chen, Wen-Yu Peng, Chih-Hsu Yen
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Patent number: 10978333Abstract: In an embodiment, a robotic arm includes: a base; at least one link secured to the base; a gripper secured to the at least one link, wherein: the gripper comprises a finger, the gripper is configured to secure a wafer while the at least one link is in motion, and the gripper is configured to release the wafer while the at least one link is stopped, a sensor disposed on the finger, the sensor configured to collect sensor data characterizing the robotic arm's interaction with a semiconductor processing chamber while the wafer is secured using the finger.Type: GrantFiled: January 30, 2018Date of Patent: April 13, 2021Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Yan-Hong Liu, Ming-Feng Chen, Che-fu Chen, Hung-Wen Chen
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Patent number: 10952361Abstract: A system for detecting electronic components includes a light-source device, a photography device, an adjustment device, and an image-processing device. The light-source device generates a light to illuminate at least one pin of a first electronic component at different rotation angles. The photography device senses the light and generates first and second images corresponding to the pin of the first electronic component at different rotation angles. The adjustment device adjusts the photography device and the light-source device to a first height and a second height, wherein the first images correspond to the first height and the second images correspond to the second height. The image-processing device calculates first feature information of the pin of the first electronic component according the first and second images, and analyzes the state of the pin of the first electronic component according to the first feature information.Type: GrantFiled: August 13, 2019Date of Patent: March 16, 2021Assignee: DELTA ELECTRONICS, INC.Inventors: Yu-Ru Huang, Qi-Ming Huang, Hung-Wen Chen
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Publication number: 20210053132Abstract: A solder device includes a light source, a solder module, an optical guiding assembly, a sensor and a feedback controller. The light source emits waveband light guided to a to-be-soldered area for heating. The optical guiding assembly is disposed between the light source and the solder module, and the waveband light is guided to the solder module by the optical guiding assembly. The sensor is disposed on another side of the optical guiding assembly for receiving a sensing light beam and then generating a sensing signal. The sensing light beam is guided to the sensor by the optical guiding assembly. The feedback controller is connected with the sensor and the light source for receiving the sensing signal and then controlling the light source. The optical guiding assembly, the sensor and the feedback controller are integrated as a system controller. Therefore, the volume and weight of the solder module are compacted.Type: ApplicationFiled: September 26, 2019Publication date: February 25, 2021Inventors: Ren-Feng Ding, Hung-Wen Chen
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Publication number: 20200337189Abstract: A system for detecting electronic components includes a light-source device, a photography device, an adjustment device, and an image-processing device. The light-source device generates a light to illuminate at least one pin of a first electronic component at different rotation angles. The photography device senses the light and generates first and second images corresponding to the pin of the first electronic component at different rotation angles. The adjustment device adjusts the photography device and the light-source device to a first height and a second height, wherein the first images correspond to the first height and the second images correspond to the second height. The image-processing device calculates first feature information of the pin of the first electronic component according the first and second images, and analyzes the state of the pin of the first electronic component according to the first feature information.Type: ApplicationFiled: August 13, 2019Publication date: October 22, 2020Inventors: Yu-Ru HUANG, Qi-Ming HUANG, Hung-Wen CHEN
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Patent number: 10797495Abstract: A power bank has a station and a plurality of battery modules. Each of the battery modules can be positioned in a corresponding slot of the station in a pluggable way and is electrically connected to a charging-discharging control circuit of the station. When a main charging port of the station is electrically connected to a power supply, the charging-discharging control circuit receives electric power from the power supply via the main charging port and uses the received electric power to charge rechargeable batteries of the battery modules. When a main discharging port of the station is electrically connected to an electronic apparatus, the charging-discharging control circuit receives electric power from the rechargeable batteries of the battery modules so as to provide electric power to the electronic apparatus.Type: GrantFiled: March 8, 2018Date of Patent: October 6, 2020Assignee: Gemtek Technology Co., Ltd.Inventors: Hung-Wen Chen, Wen-Yu Peng, Chih-Hsu Yen
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Patent number: 10709048Abstract: An electronic-component assembly system is provided in the invention. The electronic-component assembly system includes a gripping device, a light-source device, a photographing device, and an image-processing device. The gripping device grips an electronic component, wherein the electronic component includes at least one pin. The light-source device includes a light source and emits light of the light source. The photographing device senses the light and generates a plurality of first one-dimensional images corresponding to the pins at different rotation angles. The image-processing device is coupled to the photographing device to receive the plurality of first one-dimensional images.Type: GrantFiled: June 5, 2018Date of Patent: July 7, 2020Assignee: DELTA ELECTRONICS, INC.Inventors: Yu-Ru Huang, Hung-Wen Chen
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Publication number: 20200198146Abstract: A calibration system for robot tool including a robot arm adopting a first coordinate system, a tool arranged on a flange of the robot arm, and an imaging device adopting a second coordinate system is disclosed, wherein an image sensing area is established by the image device. A calibration method is also disclosed and includes steps of: controlling the robot arm to move for leading a tool working point (TWP) of the tool enters the image sensing area; recording a current gesture of the robot arm as well as a specific coordinate of the TWP currently in the second coordinate system; obtaining a transformation matrix previously established for describing a relationship between the first and the second coordinate systems; and importing the specific coordinate and the current gesture to the transformation matrix for calculating an absolute position of the TWP in the first coordinate system.Type: ApplicationFiled: March 5, 2020Publication date: June 25, 2020Inventors: Yi-Jiun SHEN, Yu-Ru HUANG, Hung-Wen CHEN
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Publication number: 20200193635Abstract: An image positioning system based on upsampling and a method thereof are provided. The image positioning method based on upsampling is to fetch a region image covering a target from a wide region image, determine a rough position of the target, execute an upsampling process on the region image based on neural network data model for obtaining a super-resolution region image, map the rough position onto the super-resolution region image, and analyze the super-resolution region image for determining a precise position of the target. The present disclosed example can significantly improve the efficiency of positioning and effectively reduce the required cost of hardware.Type: ApplicationFiled: December 14, 2019Publication date: June 18, 2020Inventors: Yu-Cheng SU, Qi-Ming HUANG, Yi-Jiun SHEN, Hung-Wen CHEN
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Publication number: 20200082278Abstract: A soldering process method includes steps of: establishing a material component database; establishing a working parameter database; analyzing material and component characteristics required for a new soldering process; comparing the characteristics with information in the material component database; selecting operating parameters corresponding to the material and component characteristics similar to those required for the new soldering process; performing the soldering process using the operating parameters corresponding to the material and component characteristics similar to those required for the new soldering process; measuring and recording the soldering process execution information and the final product information; determining whether the final product of the solder process meets the quality control requirements; using the machine learning method to fit the soldering process execution information and the final product information of the solder process to get the operating parameters for the next solType: ApplicationFiled: March 18, 2019Publication date: March 12, 2020Inventors: Shu-Han WU, Hung-Wen CHEN, Ren-Feng DING, Yi-Jiun SHEN, Yu-Cheng SU