Patents by Inventor Li-Shi Liu
Li-Shi Liu 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: 12020906Abstract: A grounding cap module includes a main body, a frame portion, and a cap portion. The main body includes a first opening penetrating the main body and a grounding portion disposed on a periphery of the main body and configured to be electrically grounded. The frame portion is disposed on the main body and includes a second opening aligned with the first opening. The cap portion is disposed on the frame portion and covers the second opening, wherein the first opening, the second opening and the cap portion define a receiving cavity. A gas injection device and an etching apparatus using the same are also provided.Type: GrantFiled: December 13, 2022Date of Patent: June 25, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Li-Shi Liu, Shih-Tsung Chen
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Publication number: 20230110291Abstract: A grounding cap module includes a main body, a frame portion, and a cap portion. The main body includes a first opening penetrating the main body and a grounding portion disposed on a periphery of the main body and configured to be electrically grounded. The frame portion is disposed on the main body and includes a second opening aligned with the first opening. The cap portion is disposed on the frame portion and covers the second opening, wherein the first opening, the second opening and the cap portion define a receiving cavity. A gas injection device and an etching apparatus using the same are also provided.Type: ApplicationFiled: December 13, 2022Publication date: April 13, 2023Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Li-Shi Liu, Shih-Tsung Chen
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Patent number: 11551911Abstract: A grounding cap module includes a main body, a frame portion, and a cap portion. The main body includes a first opening penetrating the main body and a grounding portion disposed on a periphery of the main body and configured to be electrically grounded. The frame portion is disposed on the main body and includes a second opening aligned with the first opening. The cap portion is disposed on the frame portion and covers the second opening, wherein the first opening, the second opening and the cap portion define a receiving cavity. A gas injection device and an etching apparatus using the same are also provided.Type: GrantFiled: September 9, 2020Date of Patent: January 10, 2023Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Li-Shi Liu, Shih-Tsung Chen
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Publication number: 20220367153Abstract: The present disclosure relates to a plasma generation system with a dielectric window, an inductive coil disposed on the dielectric window, a gas distribution element disposed on the dielectric window, and a gas conditioning system coupled to the gas distribution element. The gas distribution element is configured to discharge a thermally conditioned gas on the dielectric window and regulate a temperature across the dielectric window. The gas conditioning system is configured to supply the thermally conditioned gas to the gas distribution element.Type: ApplicationFiled: July 28, 2022Publication date: November 17, 2022Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventor: Li-Shi LIU
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Patent number: 11424107Abstract: The present disclosure relates to a plasma generation system with a dielectric window, an inductive coil disposed on the dielectric window, a gas distribution element disposed on the dielectric window, and a gas conditioning system coupled to the gas distribution element. The gas distribution element is configured to discharge a thermally conditioned gas on the dielectric window and regulate a temperature across the dielectric window. The gas conditioning system is configured to supply the thermally conditioned gas to the gas distribution element.Type: GrantFiled: June 11, 2019Date of Patent: August 23, 2022Inventor: Li-Shi Liu
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Patent number: 11139149Abstract: Disclosed is a gas injector for a semiconductor processing system comprising a tube, and at least one nozzle head mounted on a downstream end of the tube wherein the at least one nozzle allows a fluid communication to discharge a gas from a upstream end of the tube through the at least one nozzle of the gas injector to ambient atmosphere surrounding the downstream end of the tube, wherein the at least one nozzle comprises: a body, and at least one adaptor comprising a plurality of flow regulation components to alter a flow direction of the gas at the downstream end, wherein the plurality of flow regulation components are each constructed and arranged such that a film buildup on inner surfaces of the gas injector is reduced.Type: GrantFiled: August 17, 2018Date of Patent: October 5, 2021Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Yan-Hong Liu, Ming-Feng Chen, Li-Shi Liu, Che-Fu Chen
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Publication number: 20200402763Abstract: A grounding cap module includes a main body, a frame portion, and a cap portion. The main body includes a first opening penetrating the main body and a grounding portion disposed on a periphery of the main body and configured to be electrically grounded. The frame portion is disposed on the main body and includes a second opening aligned with the first opening. The cap portion is disposed on the frame portion and covers the second opening, wherein the first opening, the second opening and the cap portion define a receiving cavity. A gas injection device and an etching apparatus using the same are also provided.Type: ApplicationFiled: September 9, 2020Publication date: December 24, 2020Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Li-Shi Liu, Shih-Tsung Chen
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Patent number: 10818479Abstract: A grounding cap module includes a main body, a frame portion, and a cap portion. The main body includes a first opening penetrating the main body and a grounding portion disposed on a periphery of the main body and configured to be electrically grounded. The frame portion is disposed on the main body and includes a second opening aligned with the first opening. The cap portion is disposed on the frame portion and covers the second opening, wherein the first opening, the second opening and the cap portion define a receiving cavity. A gas injection device and an etching apparatus using the same are also provided.Type: GrantFiled: January 19, 2018Date of Patent: October 27, 2020Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, Ltd.Inventors: Li-Shi Liu, Shih-Tsung Chen
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Publication number: 20200251312Abstract: The present disclosure relates to a plasma generation system with a dielectric window, an inductive coil disposed on the dielectric window, a gas distribution element disposed on the dielectric window, and a gas conditioning system coupled to the gas distribution element. The gas distribution element is configured to discharge a thermally conditioned gas on the dielectric window and regulate a temperature across the dielectric window. The gas conditioning system is configured to supply the thermally conditioned gas to the gas distribution element.Type: ApplicationFiled: June 11, 2019Publication date: August 6, 2020Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventor: Li-Shi LIU
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Publication number: 20190164724Abstract: Disclosed is a gas injector for a semiconductor processing system comprising a tube, and at least one nozzle head mounted on a downstream end of the tube wherein the at least one nozzle allows a fluid communication to discharge a gas from a upstream end of the tube through the at least one nozzle of the gas injector to ambient atmosphere surrounding the downstream end of the tube, wherein the at least one nozzle comprises: a body, and at least one adaptor comprising a plurality of flow regulation components to alter a flow direction of the gas at the downstream end, wherein the plurality of flow regulation components are each constructed and arranged such that a film buildup on inner surfaces of the gas injector is reduced.Type: ApplicationFiled: August 17, 2018Publication date: May 30, 2019Inventors: Yan-Hong LIU, Ming-Feng CHEN, Li-Shi LIU, Che-Fu CHEN
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Publication number: 20190148111Abstract: A grounding cap module includes a main body, a frame portion, and a cap portion. The main body includes a first opening penetrating the main body and a grounding portion disposed on a periphery of the main body and configured to be electrically grounded. The frame portion is disposed on the main body and includes a second opening aligned with the first opening. The cap portion is disposed on the frame portion and covers the second opening, wherein the first opening, the second opening and the cap portion define a receiving cavity. A gas injection device and an etching apparatus using the same are also provided.Type: ApplicationFiled: January 19, 2018Publication date: May 16, 2019Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Li-Shi Liu, Shih-Tsung Chen