Patents by Inventor Chi-Chung JEN
Chi-Chung JEN 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: 20250241014Abstract: In some implementations, one or more semiconductor processing tools may form a triple-stacked polysilicon structure on a substrate of a semiconductor device. The one or more semiconductor processing tools may form one or more polysilicon-based devices on the substrate of the semiconductor device, wherein the triple-stacked polysilicon structure has a first height that is greater than one or more second heights of the one or more polysilicon-based devices. The one or more semiconductor processing tools may perform a chemical-mechanical polishing (CMP) operation on the semiconductor device, wherein performing the CMP operation comprises using the triple-stacked polysilicon structure as a stop layer for the CMP operation.Type: ApplicationFiled: February 14, 2025Publication date: July 24, 2025Inventors: Chi-Chung JEN, Ya-Chi HUNG, Yu-Chun SHEN, Shun-Neng WANG, Wen-Chih CHIANG
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Patent number: 12317545Abstract: A method includes sequentially depositing a floating gate layer, a dielectric structure stack, and a control gate layer over a substrate. A first etching process is performed to pattern the control gate layer, the dielectric structure stack, and a top portion of the floating gate layer to form a control gate, a dielectric structure, and a top portion of a floating gate over a bottom portion of the floating gate layer. A sidewall of the top portion of the floating gate is concave. A first spacer structure is formed on the sidewall of the top portion of the floating gate, a sidewall of the dielectric structure, and a sidewall of the control gate. A second etching process is performed to pattern the bottom portion of the floating gate layer to form a bottom portion of the floating gate after forming the first spacer structure.Type: GrantFiled: July 25, 2023Date of Patent: May 27, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Yu-Chu Lin, Chi-Chung Jen, Chia-Ming Pan, Su-Yu Yeh, Keng-Ying Liao, Chih-Wei Sung
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Publication number: 20250126920Abstract: A device is disclosed. The device includes a plurality of pixels disposed over a first surface of a semiconductor layer. The device includes a device layer disposed over the first surface. The device includes metallization layers disposed over the device layer. One of the metallization layers, closer to the first surface than any of other ones of the metallization layers, includes at least one conductive structure. The device includes an oxide layer disposed over a second surface of the semiconductor layer, the second surface being opposite to the first surface, the oxide layer also lining a recess that extends through the semiconductor layer. The device includes a spacer layer disposed between inner sidewalls of the recess and the oxide layer. The device includes a pad structure extending through the oxide layer and the device layer to be in physical contact with the at least one conductive structure.Type: ApplicationFiled: December 20, 2024Publication date: April 17, 2025Applicant: Taiwan Semiconductor Manufacturing Company LimitedInventors: Keng-Ying Liao, Huai-jen Tung, Chih Wei Sung, Po-zen Chen, Yu-chien Ku, Yu-Chu Lin, Chi-Chung Jen, Yen-Jou Wu, S.S. Wang
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Publication number: 20250126848Abstract: A flash memory device and method of making the same are disclosed. The flash memory device is located on a substrate and includes a floating gate electrode, a tunnel dielectric layer located between the substrate and the floating gate electrode, a smaller length control gate electrode and a control gate dielectric layer located between the floating gate electrode and the smaller length control gate electrode. The length of a major axis of the smaller length control gate electrode is less than a length of a major axis of the floating gate electrode.Type: ApplicationFiled: December 20, 2024Publication date: April 17, 2025Inventors: Yu-Chu LIN, Chi-Chung JEN, Wen-Chih CHIANG, Yi-Ling LIU, Huai-jen TUNG, Keng-Ying LIAO
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Patent number: 12272756Abstract: In some implementations, one or more semiconductor processing tools may deposit a first dielectric layer on a substrate of a semiconductor device. The one or more semiconductor processing tools may deposit a floating gate on the first dielectric layer. The one or more semiconductor processing tools may deposit a second dielectric layer on the floating gate and on the substrate of the semiconductor device. The one or more semiconductor processing tools may deposit a first control gate on a first portion of the second dielectric layer. The one or more semiconductor processing tools may deposit a second control gate on a second portion of the second dielectric layer, wherein a third portion of the second dielectric layer is between the first control gate and the floating gate and between the second control gate and the floating gate.Type: GrantFiled: May 2, 2023Date of Patent: April 8, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yu-Chun Shen, Chi-Chung Jen, Ya-Chi Hung, Yu-Chu Lin, Wen-Chih Chiang
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Patent number: 12261228Abstract: In some implementations, one or more semiconductor processing tools may form a triple-stacked polysilicon structure on a substrate of a semiconductor device. The one or more semiconductor processing tools may form one or more polysilicon-based devices on the substrate of the semiconductor device, wherein the triple-stacked polysilicon structure has a first height that is greater than one or more second heights of the one or more polysilicon-based devices. The one or more semiconductor processing tools may perform a chemical-mechanical polishing (CMP) operation on the semiconductor device, wherein performing the CMP operation comprises using the triple-stacked polysilicon structure as a stop layer for the CMP operation.Type: GrantFiled: January 23, 2023Date of Patent: March 25, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chi-Chung Jen, Ya-Chi Hung, Yu-Chun Shen, Shun-Neng Wang, Wen-Chih Chiang
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Patent number: 12261188Abstract: A device is disclosed. The device includes a plurality of pixels disposed over a first surface of a semiconductor layer. The device includes a device layer disposed over the first surface. The device includes metallization layers disposed over the device layer. One of the metallization layers, closer to the first surface than any of other ones of the metallization layers, includes at least one conductive structure. The device includes an oxide layer disposed over a second surface of the semiconductor layer, the second surface being opposite to the first surface, the oxide layer also lining a recess that extends through the semiconductor layer. The device includes a spacer layer disposed between inner sidewalls of the recess and the oxide layer. The device includes a pad structure extending through the oxide layer and the device layer to be in physical contact with the at least one conductive structure.Type: GrantFiled: April 17, 2023Date of Patent: March 25, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Keng-Ying Liao, Yu-Chu Lin, Chih Wei Sung, Shih Sian Wang, Chi-Chung Jen, Yu-chien Ku, Yen-Jou Wu, Huai-jen Tung, Po-Zen Chen
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Publication number: 20250098227Abstract: A flash memory device includes a floating gate electrode formed within a substrate semiconductor layer having a doping of a first conductivity type, a pair of active regions formed within the substrate semiconductor layer, having a doping of a second conductivity type, and laterally spaced apart by the floating gate electrode, an erase gate electrode formed within the substrate semiconductor layer and laterally offset from the floating gate electrode, and a control gate electrode that overlies the floating gate electrode. The floating gate electrode may be formed in a first opening in the substrate semiconductor layer, and the erase gate electrode may be formed in a second opening in the substrate semiconductor layer. Multiple instances of the flash memory device may be arranged as a two-dimensional array of flash memory cells.Type: ApplicationFiled: December 5, 2024Publication date: March 20, 2025Inventors: Yu-Chu Lin, Chia-Ming Pan, Chi-Chung Jen, Wen-Chih Chiang, Huai-Jen Tung, Keng-Ying Liao
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Patent number: 12249657Abstract: In some implementations, one or more semiconductor processing tools may form a first terminal of a semiconductor device by depositing a tunneling oxide layer on a first portion of a body of the semiconductor device, depositing a first volume of polysilicon-based material on the tunneling oxide layer, and depositing a first dielectric layer on an upper surface and a second dielectric layer on a side surface of the first volume of polysilicon-based material. The one or more semiconductor processing tools may form a second terminal of the semiconductor device by depositing a second volume of polysilicon-based material on a second portion of the body of the semiconductor device. A side surface of the second volume of polysilicon-based material is adjacent to the second dielectric layer.Type: GrantFiled: July 26, 2023Date of Patent: March 11, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yu-Chu Lin, Chi-Chung Jen, Wen-Chih Chiang, Ming-Hong Su, Yung-Han Chen, Mei-Chen Su, Chia-Ming Pan
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Patent number: 12218253Abstract: A flash memory device and method of making the same are disclosed. The flash memory device is located on a substrate and includes a floating gate electrode, a tunnel dielectric layer located between the substrate and the floating gate electrode, a smaller length control gate electrode and a control gate dielectric layer located between the floating gate electrode and the smaller length control gate electrode. The length of a major axis of the smaller length control gate electrode is less than a length of a major axis of the floating gate electrode.Type: GrantFiled: April 15, 2023Date of Patent: February 4, 2025Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Yu-Chu Lin, Chi-Chung Jen, Wen-Chih Chiang, Yi-Ling Liu, Huai-Jen Tung, Keng-Ying Liao
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Patent number: 12199159Abstract: A flash memory device includes a floating gate electrode formed within a substrate semiconductor layer having a doping of a first conductivity type, a pair of active regions formed within the substrate semiconductor layer, having a doping of a second conductivity type, and laterally spaced apart by the floating gate electrode, an erase gate electrode formed within the substrate semiconductor layer and laterally offset from the floating gate electrode, and a control gate electrode that overlies the floating gate electrode. The floating gate electrode may be formed in a first opening in the substrate semiconductor layer, and the erase gate electrode may be formed in a second opening in the substrate semiconductor layer. Multiple instances of the flash memory device may be arranged as a two-dimensional array of flash memory cells.Type: GrantFiled: June 19, 2023Date of Patent: January 14, 2025Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Yu-Chu Lin, Chia-Ming Pan, Chi-Chung Jen, Wen-Chih Chiang, Huai-Jen Tung, Keng-Ying Liao
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Patent number: 12191338Abstract: A device is disclosed. The device includes a plurality of pixels disposed over a first surface of a semiconductor layer. The device includes a device layer disposed over the first surface. The device includes metallization layers disposed over the device layer. One of the metallization layers, closer to the first surface than any of other ones of the metallization layers, includes at least one conductive structure. The device includes an oxide layer disposed over a second surface of the semiconductor layer, the second surface being opposite to the first surface, the oxide layer also lining a recess that extends through the semiconductor layer. The device includes a spacer layer disposed between inner sidewalls of the recess and the oxide layer. The device includes a pad structure extending through the oxide layer and the device layer to be in physical contact with the at least one conductive structure.Type: GrantFiled: July 26, 2022Date of Patent: January 7, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Keng-Ying Liao, Huai-jen Tung, Chih Wei Sung, Po-zen Chen, Yu-chien Ku, Yu-Chu Lin, Chi-Chung Jen, Yen-Jou Wu, S. S. Wang
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Publication number: 20240387749Abstract: Some implementations described herein provide a semiconductor structure. The semiconductor structure includes a first terminal coupled to a substrate of the semiconductor structure. The first terminal comprises a tunneling layer formed on the substrate, a first conductive structure formed on the tunneling layer, and a dielectric structure formed on a top surface and on a first curved side surface of the first conductive structure. The semiconductor structure includes a second terminal coupled to the substrate. The second terminal comprises a second conductive structure formed on an isolation structure. The second conductive structure has a second curved side surface, and the dielectric structure is disposed between the first curved side surface and the second curved side surface.Type: ApplicationFiled: July 30, 2024Publication date: November 21, 2024Inventors: Yu-Chu LIN, Wen-Chih CHIANG, Chi-Chung JEN, Ming-Hong SU, Mei-Chen SU, Chia-Wei LEE, Kuan-Wei SU, Chia-Ming PAN
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Patent number: 12148808Abstract: A memory device includes a semiconductor substrate, a first continuous floating gate structure, a dielectric layer, and a control gate electrode. The semiconductor substrate has a first active region. The first continuous floating gate structure is over the first active region of the semiconductor substrate, wherein the first continuous floating gate structure has first and second inner sidewalls facing each other. The dielectric layer has a first portion extending along the first inner sidewall of the first continuous floating gate structure and a second portion extending along the second inner sidewall of the first continuous floating gate structure. The control gate electrode is over the dielectric layer. The control gate electrode is in contact with the first and second portions of the dielectric layer.Type: GrantFiled: September 28, 2023Date of Patent: November 19, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Yu-Chu Lin, Chi-Chung Jen, Yen-Di Wang, Jia-Yang Ko, Men-Hsi Tsai
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Publication number: 20240355630Abstract: A semiconductor structure including a pillar structure and a spacer structure is provided. The pillar structure is disposed over a substrate, and comprises: a lower layer, disposed on the substrate; an upper layer, disposed over the lower layer; and a dielectric layer, disposed between the lower layer and the upper layer, wherein the upper layer includes a first portion and a second portion disposed below and connecting the first portion. The spacer structure laterally surrounds the pillar structure, and comprises: an upper portion, surrounding the first portion of the upper layer; and a lower portion, disposed below and connecting the upper portion, wherein a first thickness of the upper portion is substantially greater than a second thickness of the lower portion. A method for manufacturing a semiconductor structure is also provided.Type: ApplicationFiled: April 20, 2023Publication date: October 24, 2024Inventors: YU-CHUN SHEN, CHI-CHUNG JEN, KAI-HUNG HSIAO, SZU-HSIEN LEE, WEN-CHIH CHIANG
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Publication number: 20240347645Abstract: Some implementations described herein provide a semiconductor structure. The semiconductor structure includes a first terminal coupled to a substrate of the semiconductor structure, with the first terminal including a first portion of a tunneling layer formed on the substrate, and a first gate formed on the first portion of the tunneling layer. The semiconductor structure includes a second terminal coupled to the substrate and adjacent to the first terminal, with the second terminal including a second portion of the tunneling layer formed on the substrate, a second gate formed on the second portion of the tunneling layer, and a dielectric structure formed on a top surface and side surfaces of the second gate. The semiconductor structure includes a third terminal coupled to an insulating structure and adjacent to the second terminal, with the third terminal including, a third gate formed on the insulating structure.Type: ApplicationFiled: June 24, 2024Publication date: October 17, 2024Inventors: Yu-Chu LIN, Wen-Chih CHIANG, Chi-Chung JEN, Ming-Hong SU, Mei-Chen SU, Chia-Wei LEE, Kuan-Wei SU, Chia-Ming PAN
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Publication number: 20240347360Abstract: A wafer storage device is provided. The wafer storage device includes a floor, a ceiling, and one or more walls between the floor and the ceiling to define a wafer storage chamber for storage of one or more wafers. The apparatus includes a particle-attraction object, having a positive charge or a negative charge, in the wafer storage chamber and configured to attract particles in the wafer storage chamber.Type: ApplicationFiled: April 17, 2023Publication date: October 17, 2024Inventors: Yuan-Cheng KUO, Chi-Chung JEN, Kai-Hung HSIAO, Pei-Huang HSU, Chih-Hsiung HUANG
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Publication number: 20240347359Abstract: A method includes: receiving at least one semiconductor wafer to a wafer carrier, wherein the wafer carrier has an inspection window arranged on a side of the wafer carrier; transporting the wafer carrier between a plurality of semiconductor tools; and in response to an emergent event, switching the inspection window to a transparent mode for a predetermined period.Type: ApplicationFiled: April 11, 2023Publication date: October 17, 2024Inventors: CHI JIA WANG, CHI-CHUNG JEN, KAI-HUNG HSIAO, HUI AN LI, WEN-CHIH CHIANG
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Patent number: 12113135Abstract: Some implementations described herein provide a semiconductor structure. The semiconductor structure includes a first terminal coupled to a substrate of the semiconductor structure. The first terminal comprises a tunneling layer formed on the substrate, a first conductive structure formed on the tunneling layer, and a dielectric structure formed on a top surface and on a first curved side surface of the first conductive structure. The semiconductor structure includes a second terminal coupled to the substrate. The second terminal comprises a second conductive structure formed on an isolation structure. The second conductive structure has a second curved side surface, and the dielectric structure is disposed between the first curved side surface and the second curved side surface.Type: GrantFiled: February 27, 2023Date of Patent: October 8, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yu-Chu Lin, Wen-Chih Chiang, Chi-Chung Jen, Ming-Hong Su, Mei-Chen Su, Chia-Wei Lee, Kuan-Wei Su, Chia-Ming Pan
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Publication number: 20240258145Abstract: A semiconductor wafer processing system includes a stocker having an interior surface, a wafer carrier disposed within the stocker, a wafer shelf disposed within the wafer carrier for storing a semiconductor wafer, and a discharge circuit including a first conductor electrically coupled to the wafer shelf and a first current controller electrically coupled to the first conductor and to the interior surface of the stocker.Type: ApplicationFiled: February 12, 2024Publication date: August 1, 2024Inventors: Kai-Hung HSIAO, Chi-Chung JEN, Yu-Chun SHEN, Jhang-Jie JIAN, Wen-Chih CHIANG