Patents by Inventor ZHI-WEN FAN
ZHI-WEN FAN 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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Publication number: 20250018517Abstract: A work piece processing system includes a grinding wheel (12) configured to remove material from a work piece in a grinding process. The grinding wheel (12) includes a conductive layer (122) surrounding a rotation axis of the grinding wheel (12) and a number of grinding members (123) positioned at an outer surface of the conductive layer (122). The system also includes a holding module (20) and an electrolyte supply line (365). In addition, the system includes an actuator assembly (30) for driving a rotation of the grinding wheel (12) and a rotation of the holding module (20), and a power supply module (45) to apply current to the conductive layer (122) and the holding module (20). The work piece processing system uses electrochemical removal to reduce grinding damage and improve machining efficiency. A work piece processing method is also provided.Type: ApplicationFiled: November 15, 2022Publication date: January 16, 2025Inventors: YAO-GUANG YANG, KUEN-CHIH LAN, ZHI WEN FAN, CHAO-CHANG CHEN
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Publication number: 20250018486Abstract: A wafer processing system (1) is provided. The system (1) includes a processing tool (10) comprising at least one grinding member (16) used to remove material from a wafer substrate (80). The system (1) also includes an electrolyte supply line (361) used to supply an electrolyte to the wafer substrate (80). The system (1) further includes a holding module (20) for holding the wafer substrate (80). The holding module (20) includes a conductive base (21) and a conductive porous member (22) positioned on the top surface of the conductive base (21). A vacuum source (53) fluidly communicated with fluid channel (214) formed in the conductive base (21) to create a vacuum to hold the wafer substrate (80) on the conductive porous member (22).Type: ApplicationFiled: November 15, 2022Publication date: January 16, 2025Inventors: YAO-GUANG YANG, KUEN-CHIH LAN, ZHI WEN FAN, CHAO-CHANG CHEN
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Patent number: 11491565Abstract: The present invention is a probe forming device, the probe forming device comprises a spinning shaft, a first adjusting structure, a second adjusting structure, an electrolyte conveying member and a power supply. One of the holding member of the spinning shaft holds a workpiece, and a driving member drives the workpiece to move and abut the first adjusting structure and the second modulating structure. The electrolyte conveying member conveys an electrolyte to the workpiece, the first adjusting structure and the second adjusting structure, and is electrically connected. At least one positive end of the power supply is connected to the workpiece or the spinning shaft, and at least one negative end is connected to the first adjusting structure and the second modulating structure.Type: GrantFiled: December 23, 2019Date of Patent: November 8, 2022Assignee: Metal Industries Research & Development CentreInventors: Wen-Chieh Wu, Zhi-Wen Fan, Chun-Wei Chen, Tzu-Hung Chen
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Patent number: 11186920Abstract: An apparatus capable of local polishing and suitable for performing a plasma-electrolytic polishing process on an object is provided. The apparatus capable of local polishing includes a fixing seat, a motion mechanism, and a jet module connected to the motion mechanism and including an electrolyte communication port, a gas communication port, a power connection area, and a jet flow outlet. The jet flow outlet faces the fixing seat and is communicated with the electrolyte communication port and the gas communication port to be suitable for performing the plasma-electrolytic polishing process on the object fixed on the fixing seat. A plasma-electrolytic polishing system including an apparatus capable of local polishing is also provided.Type: GrantFiled: September 1, 2020Date of Patent: November 30, 2021Assignee: Metal Industries Research & Development CentreInventors: Yu Kai Chen, Chun Wei Chen, Zhi-Wen Fan, You Lun Chen, Wen-Chieh Wu
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Patent number: 11173561Abstract: The present application discloses a method for processing probe. Firstly, a clamping member of a rotation shaft is clamped with a workpiece, and then the workpiece is moved to a processed area by the rotation shaft. The workpiece is rotated by the rotation shaft, and an electrochemical process of the workpiece is performed under the rotation of the shaft and an electrolyte sprayed between the workpiece and the polished module. During the performing of the electrochemical process, it can be that the rotation shaft is moved a processing distance or the included angle of the polish module is changed, for a probe being accomplished from the workpiece. Thereby, the abrasion of the polish module is lower and the performance for processing the probe under the electrochemical process.Type: GrantFiled: August 26, 2020Date of Patent: November 16, 2021Assignee: Metal Industries Research & Development CentreInventors: Tzu-Hung Chen, Zhi-Wen Fan, Wen-Chieh Wu, Chun-Wei Chen
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Publication number: 20210187644Abstract: The present invention is a probe forming device, the probe forming device comprises a spinning shaft, a first adjusting structure, a second adjusting structure, an electrolyte conveying member and a power supply. One of the holding member of the spinning shaft holds a workpiece, and a driving member drives the workpiece to move and abut the first adjusting structure and the second modulating structure. The electrolyte conveying member conveys an electrolyte to the workpiece, the first adjusting structure and the second adjusting structure, and is electrically connected. At least one positive end of the power supply is connected to the workpiece or the spinning shaft, and at least one negative end is connected to the first adjusting structure and the second modulating structure.Type: ApplicationFiled: December 23, 2019Publication date: June 24, 2021Inventors: WEN-CHIEH WU, ZHI-WEN FAN, CHUN-WEI CHEN, TZU-HUNG CHEN
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Publication number: 20200180057Abstract: An apparatus for electrochemical machining gear outline and the alignment structure thereof is disclosed, the apparatus comprises first and second alignment members. The first and second alignment members include a plurality of first alignment teeth and second alignment teeth, respectively. Recessing a gear-outline edge of the first alignment teeth by a distance and extending a gear-outline edge of the second alignment teeth by the distance for against to each other to align the first and second alignment members. A cathode electrode includes a plurality of machining teeth with both gear-outline edges recessed by the distance for against the gear-outline edge of the second alignment teeth with the extended distance to align machining teeth. Thereby, before trimming the gear-outline of a workpiece, the machining gap between the machining teeth and the teeth of the workpiece can be aligned first.Type: ApplicationFiled: December 5, 2018Publication date: June 11, 2020Inventors: YOU-LUN CHEN, DA-YU LIN, ZHI-WEN FAN, HUNG-YI CHEN, CHEN-HUI CHANG, CHIN-HUNG WEN, CHUN-WEI CHEN
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Publication number: 20200171592Abstract: The present invention relates to an electrochemical machining method for manufacturing a cone. One or more conductive column and an electrode are driven to perform relative convolute motion. Then the conductive column is driven to perform electrochemical machining on the electrode for forming one or more hole in the electrode. Afterwards, the periphery of the hole in the electrode to perform electrochemical machining on the conductive column for forming a cone at one end of the conductive column.Type: ApplicationFiled: December 4, 2018Publication date: June 4, 2020Inventors: ZHI-WEN FAN, DA-YU LIN, CHEN-HUI CHANG, CHUN-WEI CHEN, CHIU-FENG LIN
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Patent number: 10625397Abstract: The present invention relates to a grind machining apparatus, which comprises a grinding wheel and an electrochemical processing module. The grinding wheel has a grinding surface on the surface. The electrochemical processing modules is disposed at the grinding wheel. The processing surface of the electrochemical processing module faces the direction away from an axle of the grinding wheel and is located lower than the grinding surface. By using the above grind machining apparatus, alternate compound machining including electrochemical oxidation processing and mechanical grind machining can be performed.Type: GrantFiled: December 13, 2017Date of Patent: April 21, 2020Assignee: Metal Industries Research & Development CentreInventors: Zhi-Wen Fan, Jia-Jin Li, Da-Yu Lin
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Publication number: 20190168326Abstract: The present invention relates to an electrochemical machining apparatus for gear outline, which is used for trimming the gear outline of the gear part of a workpiece and comprises a first moving mechanism, a second moving mechanism, a cathode electrode, and a gear alignment member. The cathode electrode is disposed at the first moving mechanism. The second moving mechanism is connected with the gear alignment member. The gear alignment member includes a plurality of alignment gears for aligning the location of a plurality of teeth of the gear part of the workpiece. Thereby, the plurality of teeth of the workpiece may correspond to the cathode electrode. Then, the cathode electrode may perform electrochemical machining on the plurality of teeth, and thus, trimming the outline of the plurality of teeth.Type: ApplicationFiled: December 27, 2017Publication date: June 6, 2019Inventors: YOU-LUN CHEN, DA-YU LIN, HUNG-YI CHEN, CHEN-WEI WU, CHIN-WEI LIU, ZHI-WEN FAN, CHIU-FENG LIN
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Publication number: 20180161957Abstract: The present invention relates to a grind machining apparatus, which comprises a grinding wheel and an electrochemical processing module. The grinding wheel has a grinding surface on the surface. The electrochemical processing modules is disposed at the grinding wheel. The processing surface of the electrochemical processing module faces the direction away from an axle of the grinding wheel and is located lower than the grinding surface. By using the above grind machining apparatus, alternate compound machining including electrochemical oxidation processing and mechanical grind machining can be performed.Type: ApplicationFiled: December 13, 2017Publication date: June 14, 2018Inventors: ZHI-WEN FAN, JIA-JIN LI, DA-YU LIN
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Publication number: 20180161898Abstract: The present invention relates to an electrochemical machining device, which comprises a machining electrode, a driving module, a spacer, and a conductive electrode. The machining electrode includes an electrochemical machining zone. The driving module drives the machining electrode. The spacer is adjacent to the machining electrode. The conductive electrode is adjacent to the spacer. The spacer spaces the conductive electrode and the machining electrode. When the electrochemical machining device performs electrochemical processes, the driving module drives the machining electrode and moves a machining surface of the machining electrode.Type: ApplicationFiled: December 12, 2016Publication date: June 14, 2018Inventors: YOU-LUN CHEN, DA-YU LIN, HUNG-YI CHEN, KUN-CHIN LAN, ZHI-WEN FAN, CHEN-HUI CHANG, CHIN-WEI LIU, CHEN-WEI WU
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Publication number: 20180161897Abstract: The present invention provides an inductive electrochemical machining device, which comprises a base, an inductive machining electrode, and a negative cleaning module. The base includes a workpiece machining zone. The inductive machining electrode is disposed on the base and corresponds to said workpiece machining zone. The negative cleaning module is opposing to the inductive machining electrode. When the inductive machining electrode performs electrochemical machining, the generated induction current may be used for machining. In addition, the surface of the inductive machining electrode may be cleaned concurrently by the negative cleaning module.Type: ApplicationFiled: December 9, 2016Publication date: June 14, 2018Inventors: ZHI-WEN FAN, CHIN-WEI LIU, DA-YU LIN, YOU-LUN CHEN, KUN-CHIN LAN, CHEN-WEI WU, CHIN-HUNG WEN
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Publication number: 20180163319Abstract: The present invention relates to a transmission apparatus, which comprises a base, a transmission module, a first protection sleeve, and a second protection sleeve. The transmission module is disposed on the base and includes a moving unit. The first protection sleeve is disposed around the outer periphery of the transmission module and on the base. One end of the second protection sleeve is covered by the first protection sleeve. The second protection sleeve is disposed around the moving unit and moves linkedly along the moving unit. Thereby, the transmission apparatus according to the present invention may protection the transmission module.Type: ApplicationFiled: December 12, 2016Publication date: June 14, 2018Inventors: YOU-LUN CHEN, DA-YU LIN, HUNG-YI CHEN, KUN-CHIN LAN, ZHI-WEN FAN, CHEN-HUI CHANG, CHIN-WEI LIU, CHEN-WEI WU