Patents by Inventor Chien-Fa LEE
Chien-Fa LEE 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: 20250112081Abstract: Disclosed is a vacuum chuck and a method for securing a warped semiconductor substrate during a semiconductor manufacturing process so as to improve its flatness during a semiconductor manufacturing process. For example, a semiconductor manufacturing system includes: a vacuum chuck configured to hold a substrate, wherein the vacuum chuck comprises, a plurality of vacuum grooves located on a top surface of the vacuum chuck, wherein the top surface is configured to face the substrate; and a plurality of flexible seal rings disposed on the vacuum chuck and extending outwardly from the top surface, wherein the plurality of flexible seal rings are configured to directly contact a bottom surface of the substrate and in adjacent to the plurality of vacuum grooves so as to form a vacuum seal between the substrate and the vacuum chuck, and wherein each of the plurality of flexible seal rings has a zigzag cross section.Type: ApplicationFiled: December 13, 2024Publication date: April 3, 2025Inventors: Chien-Fa LEE, Chin-Lin CHOU, Shang-Ying TSAI, Shou-Wen KUO, Kuei-Sung CHANG, Jiun-Rong PAI, Hsu-Shui LIU, Chun-wen CHENG
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Publication number: 20250062153Abstract: A system and method for cleaning ring frames is disclosed. In one embodiment, a ring frame processing system includes: a plurality of blades for mechanically removing tapes and tape residues from surfaces of a ring frame; a plurality of wheel brushes for conditioning the surfaces of the ring frame; and a transport mechanism for transporting the ring frame.Type: ApplicationFiled: November 4, 2024Publication date: February 20, 2025Inventors: Chien-Fa LEE, Hsu-Shui LIU, Jiun-Rong PAI, Shou-Wen KUO, Jian-Hung CHEN, M.C. LIN, C.C. CHIEN, Hsuan LEE, Boris HUANG
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Patent number: 12191185Abstract: Disclosed is a vacuum chuck and a method for securing a warped semiconductor substrate during a semiconductor manufacturing process so as to improve its flatness during a semiconductor manufacturing process. For example, a semiconductor manufacturing system includes: a vacuum chuck configured to hold a substrate, wherein the vacuum chuck comprises, a plurality of vacuum grooves located on a top surface of the vacuum chuck, wherein the top surface is configured to face the substrate; and a plurality of flexible seal rings disposed on the vacuum chuck and extending outwardly from the top surface, wherein the plurality of flexible seal rings are configured to directly contact a bottom surface of the substrate and in adjacent to the plurality of vacuum grooves so as to form a vacuum seal between the substrate and the vacuum chuck, and wherein each of the plurality of flexible seal rings has a zigzag cross section.Type: GrantFiled: August 8, 2022Date of Patent: January 7, 2025Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chien-Fa Lee, Chin-Lin Chou, Shang-Ying Tsai, Shou-Wen Kuo, Kuei-Sung Chang, Jiun-Rong Pai, Hsu-Shui Liu, Chun-Wen Cheng
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Patent number: 12165901Abstract: A system and method for cleaning ring frames is disclosed. In one embodiment, a ring frame processing system includes: a plurality of blades for mechanically removing tapes and tape residues from surfaces of a ring frame; a plurality of wheel brushes for conditioning the surfaces of the ring frame; and a transport mechanism for transporting the ring frame.Type: GrantFiled: August 8, 2023Date of Patent: December 10, 2024Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chien-Fa Lee, Hsu-Shui Liu, Jiun-Rong Pai, Shou-Wen Kuo, Jian-Hung Cheng, M. C. Lin, C. C. Chien, Hsuan Lee, Boris Huang
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Publication number: 20240308085Abstract: A robot gripper for moving wafer carriers and packing materials and a method of operating the same are provided. The gripper mechanism has two clamp assemblies, each with a support pin at the bottom. The clamps are configured to move towards or away from each other, and the support pins are configured to move relative to the clamp assemblies. The first clamp assembly has a main clamp and a secondary clamp with a protrusion, while the second clamp assembly has a similar configuration.Type: ApplicationFiled: May 22, 2024Publication date: September 19, 2024Inventors: CHIEN-FA LEE, FENG-KUANG WU, FU-CHENG HUNG, CHI-WEI CHEN, CHIH-HUA CHEN
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Publication number: 20240249961Abstract: The present disclosure relates to a method of programming an EFEM. The method includes placing an automatic teaching element within an EFEM chamber at a first time. The automatic teaching element is operated at a second time to measure one or more parameters corresponding to an initial position of an EFEM robot within the EFEM chamber. The automatic teaching element is removed from the EFEM chamber at a third time and then placed within the EFEM chamber at a fourth time. The automatic teaching element is operated at a fifth time to determine positional parameters describing a difference between the initial position and a new position of the EFEM robot. A second plurality of steps are determined based upon the positional parameters. The EFEM robot is configured to move along the second plurality of steps that extend along a path between first and second positions.Type: ApplicationFiled: April 3, 2024Publication date: July 25, 2024Inventors: Chien-Fa Lee, Hsu-Shui Liu, Jiun-Rong Pai, Shou-Wen Kuo
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Patent number: 12017342Abstract: A robot gripper for moving wafer carriers and packing materials and a method of operating the same are provided. The gripper mechanism has two clamp assemblies, each with a support pin at the bottom. The clamps are configured to move towards or away from each other, and the support pins are configured to move relative to the clamp assemblies. The first clamp assembly has a main clamp and a secondary clamp with a protrusion, while the second clamp assembly has a similar configuration.Type: GrantFiled: May 12, 2023Date of Patent: June 25, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Chien-Fa Lee, Feng-Kuang Wu, Fu-Cheng Hung, Chi-Wei Chen, Chih-Hua Chen
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Patent number: 11984331Abstract: The present disclosure relates to an equipment front end module (EFEM) teaching element. The EFEM teaching element includes a memory element configured to store data describing an initial position of an EFEM robot within an EFEM chamber. A position measurement device is configured to take measurements describing a new position of the EFEM robot within the EFEM chamber that is different than the initial position of the EFEM robot. A controller is configured to determine a set of new movement commands describing a path of the EFEM robot based upon the data describing the initial position of the EFEM robot and the measurements.Type: GrantFiled: October 28, 2020Date of Patent: May 14, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chien-Fa Lee, Hsu-Shui Liu, Jiun-Rong Pai, Shou-Wen Kuo
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Patent number: 11961770Abstract: Some embodiments of the present disclosure relate to a processing tool. The tool includes a housing enclosing a processing chamber, and an input/output port configured to pass a wafer through the housing into and out of the processing chamber. A back-side macro-inspection system is arranged within the processing chamber and is configured to image a back side of the wafer. A front-side macro-inspection system is arranged within the processing chamber and is configured to image a front side of the wafer according to a first image resolution. A front-side micro-inspection system is arranged within the processing chamber and is configured to image the front side of the wafer according to a second image resolution which is higher than the first image resolution.Type: GrantFiled: November 4, 2021Date of Patent: April 16, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chia-Han Lin, Chien-Fa Lee, Hsu-Shui Liu, Jiun-Rong Pai, Sheng-Hsiang Chuang, Surendra Kumar Soni, Shou-Wen Kuo, Wu-An Weng, Gary Tsai, Chien-Ko Liao, Ya Hsun Hsueh, Becky Liao, Ethan Yu, Ming-Chi Tsai, Kuo-Yi Liu
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Publication number: 20230386887Abstract: A system and method for cleaning ring frames is disclosed. In one embodiment, a ring frame processing system includes: a plurality of blades for mechanically removing tapes and tape residues from surfaces of a ring frame; a plurality of wheel brushes for conditioning the surfaces of the ring frame; and a transport mechanism for transporting the ring frame.Type: ApplicationFiled: August 8, 2023Publication date: November 30, 2023Inventors: Chien-Fa Lee, Hsu-Shui Liu, Jiun-Rong Pai, Shou-Wen Kuo, Jian-Hung Cheng, M.C. Lin, C.C. Chien, Hsuan Lee, Boris Huang
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Patent number: 11764097Abstract: A system and method for cleaning and inspecting ring frames is disclosed here. In one embodiment, a ring frame processing system includes: a cleaning station configured to remove a first tape on a first surface of a ring frame using a first blade, clean first adhesive residues from the first tape on the first surface of the ring frame using a first wheel brush, and remove second adhesive residues from a second tape on a second surface of the ring frame using a second blade; and an inspection station, wherein the inspection station comprises an automated optical inspection system configured to determine the cleanness of the first and second surfaces of the ring frame after cleaning.Type: GrantFiled: May 5, 2021Date of Patent: September 19, 2023Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chien-Fa Lee, Hsu-Shui Liu, Jiun-Rong Pai, Shou-Wen Kuo, Jian-Hung Cheng, M. C. Lin, C. C. Chien, Hsuan Lee, Boris Huang
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Publication number: 20230278231Abstract: A robot gripper for moving wafer carriers and packing materials and a method of operating the same are provided. The gripper mechanism has two clamp assemblies, each with a support pin at the bottom. The clamps are configured to move towards or away from each other, and the support pins are configured to move relative to the clamp assemblies. The first clamp assembly has a main clamp and a secondary clamp with a protrusion, while the second clamp assembly has a similar configuration.Type: ApplicationFiled: May 12, 2023Publication date: September 7, 2023Inventors: CHIEN-FA LEE, FENG-KUANG WU, FU-CHENG HUNG, CHI-WEI CHEN, CHIH-HUA CHEN
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Patent number: 11685055Abstract: A robot gripper for moving wafer carriers and packing materials and a method of operating the same are provided. The robot gripper includes two opposing clamp assemblies. The two clamp assemblies are configured to move close to or away from each other. Each of the clamp assemblies includes a movable support pin at a bottom of the clamp assembly.Type: GrantFiled: August 25, 2020Date of Patent: June 27, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Chien-Fa Lee, Feng-Kuang Wu, Fu-Cheng Hung, Chi-Wei Chen, Chih-Hua Chen
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Patent number: 11545382Abstract: The present disclosure, in some embodiments, relates to an integrated chip processing tool. The integrated chip processing tool includes a first transfer module and a second transfer module. The first transfer module has a first robotic arm disposed within a housing. The first transfer module is configured to receive a single and unitary first die tray configured to hold a plurality of integrated chip (IC) die and to concurrently transfer all of the plurality of IC die held by the single and unitary first die tray to a single and unitary die boat. The second transfer module has an additional robotic arm disposed within the housing and configured to concurrently transfer all of the plurality of IC die from the single and unitary die boat to a single and unitary second die tray.Type: GrantFiled: April 21, 2020Date of Patent: January 3, 2023Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chien-Fa Lee, Hsu-Shui Liu, Jiun-Rong Pai, Pin-Yi Hsin, Shou-Wen Kuo, Patrick Lin
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Publication number: 20220415699Abstract: Disclosed is a vacuum chuck and a method for securing a warped semiconductor substrate during a semiconductor manufacturing process so as to improve its flatness during a semiconductor manufacturing process. For example, a semiconductor manufacturing system includes: a vacuum chuck configured to hold a substrate, wherein the vacuum chuck comprises, a plurality of vacuum grooves located on a top surface of the vacuum chuck, wherein the top surface is configured to face the substrate; and a plurality of flexible seal rings disposed on the vacuum chuck and extending outwardly from the top surface, wherein the plurality of flexible seal rings are configured to directly contact a bottom surface of the substrate and in adjacent to the plurality of vacuum grooves so as to form a vacuum seal between the substrate and the vacuum chuck, and wherein each of the plurality of flexible seal rings has a zigzag cross section.Type: ApplicationFiled: August 8, 2022Publication date: December 29, 2022Inventors: Chien-Fa LEE, Chin-Lin CHOU, Shang-Ying TSAI, Shou-Wen KUO, Kuei-Sung CHANG, Jiun-Rong PAI, Hsu-Shui LIU, Chun-Wen CHENG
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Patent number: 11508608Abstract: Disclosed is a vacuum chuck and a method for securing a warped semiconductor substrate during a semiconductor manufacturing process so as to improve its flatness during a semiconductor manufacturing process. For example, a semiconductor manufacturing system includes: a vacuum chuck configured to hold a substrate, wherein the vacuum chuck comprises, a plurality of vacuum grooves located on a top surface of the vacuum chuck, wherein the top surface is configured to face the substrate; and a plurality of flexible seal rings disposed on the vacuum chuck and extending outwardly from the top surface, wherein the plurality of flexible seal rings are configured to directly contact a bottom surface of the substrate and in adjacent to the plurality of vacuum grooves so as to form a vacuum seal between the substrate and the vacuum chuck, and wherein each of the plurality of flexible seal rings has a zigzag cross section.Type: GrantFiled: August 20, 2020Date of Patent: November 22, 2022Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chien-Fa Lee, Chin-Lin Chou, Shang-Ying Tsai, Shou-Wen Kuo, Kuei-Sung Chang, Jiun-Rong Pai, Hsu-Shui Liu, Chun-wen Cheng
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Patent number: 11450402Abstract: A sensing circuit is provided which generates a sensing result according to a reading voltage of a non-volatile memory. The sensing circuit includes four transistors and a switch group. A first transistor is coupled between an operating voltage and a first node. A second transistor is coupled between the first node and a second node. A third transistor is coupled between the second node and a reference ground voltage. A control terminal of the first transistor, a control terminal of the second transistor, and a control terminal of the third transistor all receive the reading voltage. A fourth transistor is coupled between the operating voltage and the first node. The switch group forms or disconnects a conduction path between a control terminal of the fourth transistor and the second node according to a control signal, so that the first node obtains the sensing result.Type: GrantFiled: August 3, 2021Date of Patent: September 20, 2022Assignee: Powerchip Semiconductor Manufacturing CorporationInventors: Chien-Fa Lee, Yi-Chun Lin
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Patent number: 11447054Abstract: A method for transferring a container configured to hold at least one article used in semiconductor fabrication is provided. The method includes moving a transferring mechanism to a first position that is adjacent to the original space; producing an image of an edge of the container that is adjacent to the original space using an optical receiver before the container is moved to a destination space; and performing an image analysis of the image to determine whether to move the container to the destination space.Type: GrantFiled: October 23, 2020Date of Patent: September 20, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yi-Tang Huang, Yuan-Yu Feng, Chia-Han Lin, Chien-Fa Lee
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Publication number: 20220059393Abstract: Disclosed is a vacuum chuck and a method for securing a warped semiconductor substrate during a semiconductor manufacturing process so as to improve its flatness during a semiconductor manufacturing process. For example, a semiconductor manufacturing system includes: a vacuum chuck configured to hold a substrate, wherein the vacuum chuck comprises, a plurality of vacuum grooves located on a top surface of the vacuum chuck, wherein the top surface is configured to face the substrate; and a plurality of flexible seal rings disposed on the vacuum chuck and extending outwardly from the top surface, wherein the plurality of flexible seal rings are configured to directly contact a bottom surface of the substrate and in adjacent to the plurality of vacuum grooves so as to form a vacuum seal between the substrate and the vacuum chuck, and wherein each of the plurality of flexible seal rings has a zigzag cross section.Type: ApplicationFiled: August 20, 2020Publication date: February 24, 2022Inventors: Chien-Fa LEE, Chin-Lin CHOU, Shang-Ying TSAI, Shou-Wen KUO, Kuei-Sung CHANG, Jiun-Rong PAI, Hsu-Shui LIU, Chun-wen CHENG
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Publication number: 20220059415Abstract: Some embodiments of the present disclosure relate to a processing tool. The tool includes a housing enclosing a processing chamber, and an input/output port configured to pass a wafer through the housing into and out of the processing chamber. A back-side macro-inspection system is arranged within the processing chamber and is configured to image a back side of the wafer. A front-side macro-inspection system is arranged within the processing chamber and is configured to image a front side of the wafer according to a first image resolution. A front-side micro-inspection system is arranged within the processing chamber and is configured to image the front side of the wafer according to a second image resolution which is higher than the first image resolution.Type: ApplicationFiled: November 4, 2021Publication date: February 24, 2022Inventors: Chia-Han Lin, Chien-Fa Lee, Hsu-Shui Liu, Jiun-Rong Pai, Sheng-Hsiang Chuang, Surendra Kumar Soni, Shou-Wen Kuo, Wu-An Weng, Gary Tsai, Chien-Ko Liao, Ya Hsun Hsueh, Becky Liao, Ethan Yu, Ming-Chi Tsai, Kuo-Yi Liu