Patents by Inventor Yu-Chu Lin

Yu-Chu Lin 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).

  • Patent number: 11658248
    Abstract: 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: Grant
    Filed: March 3, 2021
    Date of Patent: May 23, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Yu-Chu Lin, Chi-Chung Jen, Yi-Ling Liu, Wen-Chih Chiang, Keng-Ying Liao, Huai-jen Tung
  • Patent number: 11652127
    Abstract: 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: Grant
    Filed: April 17, 2020
    Date of Patent: May 16, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    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
  • Publication number: 20230064914
    Abstract: 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: Application
    Filed: August 31, 2021
    Publication date: March 2, 2023
    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
  • Publication number: 20230065897
    Abstract: 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: Application
    Filed: August 31, 2021
    Publication date: March 2, 2023
    Inventors: Yu-Chu LIN, Wen-Chih CHIANG, Chi-Chung JEN, Ming-Hong SU, Mei-Chen SU, C.W. LEE, Kuan-Wei SU, Chia-Ming PAN
  • Patent number: 11594645
    Abstract: 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: Grant
    Filed: August 31, 2021
    Date of Patent: February 28, 2023
    Assignee: 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
  • Patent number: 11581441
    Abstract: A semiconductor device includes a substrate, a tunneling oxide layer, a floating gate, an isolation layer and a control gate. The tunneling oxide layer is over the substrate. The floating gate is over the tunneling oxide layer. The isolation layer covers a top of the floating gate and peripherally encloses the tunneling oxide layer and the floating gate. The control gate is over a top of the isolation layer.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: February 14, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Shih-Lu Hsu, Ping-Pang Hsieh, Szu-Hsien Lu, Yu-Chu Lin
  • Publication number: 20220367559
    Abstract: A method includes forming a dielectric layer over a first surface of a semiconductor layer, the dielectric layer including a metallization layer. The method includes forming an opening to expose a portion of the dielectric layer. The method includes forming a buffer oxide layer lining the opening. The method includes forming, according to a patternable layer, a recess in the buffer oxide layer partially extending from a second surface of the buffer oxide layer. The method includes removing the patternable layer. The method includes extending the recess through the buffer oxide layer and a portion of the dielectric layer to expose a portion of the metallization layer. The method includes filling the recess with a conductive material to form a pad structure configured to provide electrical connection to the metallization layer.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 17, 2022
    Applicant: 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, Tsun-Kai Tsao, Yung-Lung Yang
  • Patent number: 11502123
    Abstract: A method includes forming a dielectric layer over a first surface of a semiconductor layer, the dielectric layer including a metallization layer. The method includes forming an opening to expose a portion of the dielectric layer. The method includes forming a buffer oxide layer lining the opening. The method includes forming, according to a patternable layer, a recess in the buffer oxide layer partially extending from a second surface of the buffer oxide layer. The method includes removing the patternable layer. The method includes extending the recess through the buffer oxide layer and a portion of the dielectric layer to expose a portion of the metallization layer. The method includes filling the recess with a conductive material to form a pad structure configured to provide electrical connection to the metallization layer.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: November 15, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
    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, Tsun-kai Tsao, Yung-Lung Yang
  • Publication number: 20220359760
    Abstract: 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: Application
    Filed: July 19, 2022
    Publication date: November 10, 2022
    Inventors: Yu-Chu LIN, Chi-Chung JEN, Yi-Ling LIU, Wen-Chih CHIANG, Keng-Ying LIAO, Huai-Jen TUNG
  • Publication number: 20220359606
    Abstract: 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: Application
    Filed: July 26, 2022
    Publication date: November 10, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company Limited
    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
  • Publication number: 20220352192
    Abstract: A MOSFET device and method of making, the device including a floating gate layer formed within a trench in a substrate, a tunnel dielectric layer located on sidewalls and a bottom of the trench, a control gate dielectric layer located on a top surface of the floating gate layer, a control gate layer located on a top surface of the control gate dielectric layer and sidewall spacers located on sidewalls of the control gate dielectric layer and the control gate layer.
    Type: Application
    Filed: July 13, 2022
    Publication date: November 3, 2022
    Inventors: Chi-Chung JEN, Yu-Chu Lin, Y. C. Kuo, Wen-Chih Chiang, Keng-Ying Liao, Huai-Jen Tung
  • Publication number: 20220302273
    Abstract: A memory device is provided. The memory device includes a semiconductor substrate, a tunneling layer, a floating gate electrode, a dielectric layer, and a control gate electrode. The semiconductor substrate has an active region. The tunneling layer is over the active region of the semiconductor substrate. The floating gate electrode is over the tunneling layer. The floating gate electrode has a first portion and a second portion electrically connected to the first portion. The dielectric layer is over the floating gate electrode. The control gate electrode is over the dielectric layer. The control gate electrode has a first portion interposed between the first and second portions of the floating gate electrode.
    Type: Application
    Filed: June 10, 2022
    Publication date: September 22, 2022
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yu-Chu LIN, Chi-Chung JEN, Yen-Di WANG, Jia-Yang KO, Men-Hsi TSAI
  • Publication number: 20220285558
    Abstract: 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: Application
    Filed: March 3, 2021
    Publication date: September 8, 2022
    Inventors: Yu-Chu LIN, Chi-Chung JEN, Yi-Ling LIU, Wen-Chih CHIANG, Keng-Ying LIAO, Huai-jen TUNG
  • Publication number: 20220216315
    Abstract: A method includes depositing a gate dielectric film over a substrate. A floating gate layer and a control gate layer are deposited over the gate dielectric film. The control gate layer is patterned to form a control gate over the floating gate layer. A top portion of the floating gate layer is patterned. A spacer structure is formed on a sidewall of the control gate and over a remaining portion of the floating gate layer. The remaining portion of the floating gate layer is patterned to form a bottom portion of a floating gate. A ratio of the bottom width of the bottom portion to the middle width of the bottom portion is in a range between about 103% and about 108%. The gate dielectric film is patterned form a gate dielectric layer.
    Type: Application
    Filed: March 18, 2022
    Publication date: July 7, 2022
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yu-Chu LIN, Chi-Chung JEN, Chia-Ming PAN, Su-Yu YEH, Keng-Ying LIAO, Chih-Wei SUNG
  • Publication number: 20220216343
    Abstract: 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: Application
    Filed: January 7, 2021
    Publication date: July 7, 2022
    Inventors: Yu-Chun SHEN, Chi-Chung JEN, Ya-Chi HUNG, Yu-Chu LIN, Wen-Chih CHIANG
  • Patent number: 11362185
    Abstract: A method for manufacturing a memory device is provided. The method includes depositing a floating gate electrode film over a semiconductor substrate; patterning the floating gate electrode film into at least one floating gate electrode having at least one opening therein; depositing a control gate electrode film over the semiconductor substrate to overfill the at least one opening of the floating gate electrode; and patterning the control gate electrode film into at least one control gate electrode over the floating gate electrode.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: June 14, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yu-Chu Lin, Chi-Chung Jen, Yen-Di Wang, Jia-Yang Ko, Men-Hsi Tsai
  • Publication number: 20220165877
    Abstract: 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: Application
    Filed: January 28, 2022
    Publication date: May 26, 2022
    Inventors: Yu-Chu LIN, Chi-Chung JEN, Wen-Chih CHIANG, Ming-Hong SU, Yung-Han CHEN, Mei-Chen SU, Chia-Ming PAN
  • Patent number: 11282931
    Abstract: A memory device includes a floating gate, a control gate, a spacer structure, a dielectric layer, and an erase gate. The floating gate is above a substrate. The floating gate has a curved sidewall. The control gate is above the floating gate. The spacer structure is in contact with the control gate and the floating gate. The spacer structure is spaced apart from the curved sidewall of the floating gate. The dielectric layer is in contact with the spacer structure and the curved sidewall of the floating gate. The erase gate is above the dielectric layer.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: March 22, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yu-Chu Lin, Chi-Chung Jen, Chia-Ming Pan, Su-Yu Yeh, Keng-Ying Liao, Chih-Wei Sung
  • Publication number: 20220059556
    Abstract: A MOSFET device and method of making, the device including a floating gate layer formed within a trench in a substrate, a tunnel dielectric layer located on sidewalls and a bottom of the trench, a control gate dielectric layer located on a top surface of the floating gate layer, a control gate layer located on a top surface of the control gate dielectric layer and sidewall spacers located on sidewalls of the control gate dielectric layer and the control gate layer.
    Type: Application
    Filed: August 24, 2020
    Publication date: February 24, 2022
    Inventors: Chi-Chung JEN, Yu-Chu LIN, Y.C. KUO, Wen-Chih CHIANG, Keng-Ying LIAO, Huai-Jen TUNG
  • Patent number: 11257963
    Abstract: 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: Grant
    Filed: November 20, 2020
    Date of Patent: February 22, 2022
    Assignee: 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