Patents by Inventor Hao Hou

Hao Hou 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).

  • Publication number: 20250133759
    Abstract: A method forming a source/drain region based on a first portion of a semiconductor region, forming a high-k dielectric layer based on a second portion of the semiconductor region, forming a dipole film on the high-k dielectric layer, performing a treatment process on the dipole film using a process gas comprising nitrogen and hydrogen, performing a drive-in process to drive a dipole dopant in the dipole film into the high-k dielectric layer, and depositing a work-function layer on the high-k dielectric layer.
    Type: Application
    Filed: January 23, 2024
    Publication date: April 24, 2025
    Inventors: Chun-Hsiu Chiang, Pei Ying Lai, Cheng-Hao Hou, Chi On Chui, Shan-Mei Liao, Hung-Chi Wu
  • Patent number: 12272735
    Abstract: In an embodiment, a device includes: a first gate dielectric on a first channel region of a first semiconductor feature; a first gate electrode on the first gate dielectric; a second gate dielectric on a second channel region of a second semiconductor feature, the second gate dielectric having a greater crystallinity than the first gate dielectric; and a second gate electrode on the second gate dielectric.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: April 8, 2025
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Cheng-Hao Hou, Che-Hao Chang, Da-Yuan Lee, Chi On Chui
  • Patent number: 12266681
    Abstract: Structures of a semiconductor device structure are provided. The semiconductor device structure includes a first insulating layer formed over a semiconductor substrate and an interconnect structure formed in the first insulating layer. The semiconductor device structure also includes a second insulating layer formed over the first insulating layer and a capacitor device embedded in the second insulating layer. The capacitor device includes a first capacitor electrode layer electrically connected to the interconnect structure, a capacitor insulating stack formed over the first capacitor electrode layer and a second capacitor electrode layer formed over the capacitor insulating stack. The capacitor insulating stack includes first layers alternatingly stacked with second layers. The dielectric constant of the first layer is different than the dielectric constant of the second layer.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: April 1, 2025
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu-En Jeng, Hsiang-Ku Shen, Cheng-Hao Hou, Chen-Chiu Huang, Dian-Hau Chen
  • Publication number: 20250089277
    Abstract: Semiconductor structures and methods are provided. An exemplary method includes depositing forming a first metal-insulator-metal (MIM) capacitor over a substrate and forming a second MIM capacitor over the first MIM capacitor. The forming of the first MIM capacitor includes forming a first conductor plate over a substrate, the first conductor plate comprising a first metal element, conformally depositing a first dielectric layer on the first conductor plate, the first dielectric layer comprising the first metal element, forming a first high-K dielectric layer on the first dielectric layer, conformally depositing a second dielectric layer on the first high-K dielectric layer, the second dielectric layer comprising a second metal element, and forming a second conductor plate over the second dielectric layer, the second conductor plate comprises the second metal element.
    Type: Application
    Filed: November 30, 2023
    Publication date: March 13, 2025
    Inventors: Chia-Yueh Chou, Hsiang-Ku Shen, Chen-Chiu Huang, Dian-Hau Chen, Cheng-Hao Hou, Kun-Yu Lee, Ming-Ho Lin, Alvin Universe Tang, Chun-Hsiu Chiang
  • Publication number: 20240429156
    Abstract: A device includes a first dielectric layer. A second dielectric layer is disposed over the first dielectric layer. The second dielectric layer and the first dielectric layer have different material compositions. A metal-insulator-metal (MIM) structure is embedded in the second dielectric layer. A third dielectric layer is disposed over the second dielectric layer. The third dielectric layer and the second dielectric layer have different material compositions. The first dielectric layer or the third dielectric layer may contain silicon nitride (SiN), the second dielectric layer may contain silicon oxide (SiO2).
    Type: Application
    Filed: June 20, 2023
    Publication date: December 26, 2024
    Inventors: Chia-Yueh Chou, Hsiang-Ku Shen, Li-Chung Yu, Wen-Ling Chang, Chen-Chiu Huang, Dian-Hau Chen, Cheng-Hao Hou, Shin-Hung Tsai, Alvin Universe Tang, Kun-Yu Lee, Chun-Hsiu Chiang
  • Publication number: 20240421065
    Abstract: A method and semiconductor device including a substrate having one or more semiconductor devices. In some embodiments, the device further includes a first passivation layer disposed over the one or more semiconductor devices, and a metal-insulator-metal (MIM) capacitor structure formed over the first passivation layer. In some embodiments, the MIM capacitor structure includes a first conductor plate layer, an insulator layer on the first conductor plate layer, and a second conductor plate layer on the insulator layer. In some examples, the insulator layer includes a metal oxide sandwich structure.
    Type: Application
    Filed: June 15, 2023
    Publication date: December 19, 2024
    Inventors: Chia-Yueh CHOU, Wen-Tzu CHEN, Wen-Ling CHANG, Hsiang-Ku SHEN, Alvin Universe TANG, Chun-Hsiu CHIANG, Shin-Hung TSAI, Kun-Yu LEE, Cheng-Hao HOU, Dian-Hau CHEN, Li-Chung YU
  • Publication number: 20240413221
    Abstract: A device includes a semiconductor substrate, a fin structure on the semiconductor substrate, a gate structure on the fin structure, and a pair of source/drain features on both sides of the gate structure. The gate structure includes an interfacial layer on the fin structure, a gate dielectric layer on the interfacial layer, and a gate electrode layer of a conductive material on and directly contacting the gate dielectric layer. The gate dielectric layer includes nitrogen element.
    Type: Application
    Filed: July 11, 2024
    Publication date: December 12, 2024
    Inventors: Chia-Wei Chen, Chih-Yu Hsu, Hui-Chi Chen, Shan-Mei Liao, Jian-Hao Chen, Cheng-Hao Hou, Huang-Chin Chen, Cheng Hong Yang, Shih-Hao Lin, Tsung-Da Lin, Da-Yuan Lee, Kuo-Feng Yu, Feng-Cheng Yang, Chi On Chui, Yen-Ming Chen
  • Publication number: 20240379798
    Abstract: In an embodiment, a device includes: a first gate dielectric on a first channel region of a first semiconductor feature; a first gate electrode on the first gate dielectric; a second gate dielectric on a second channel region of a second semiconductor feature, the second gate dielectric having a greater crystallinity than the first gate dielectric; and a second gate electrode on the second gate dielectric.
    Type: Application
    Filed: July 23, 2024
    Publication date: November 14, 2024
    Inventors: Cheng-Hao Hou, Che-Hao Chang, Da-Yuan Lee, Chi On Chui
  • Publication number: 20240347606
    Abstract: Dipole engineering techniques are disclosed that incorporate dipole dopant and/or nitrogen into gate dielectrics (e.g., high-k dielectric layers thereof) to realize multi-threshold voltage transistor tuning of transistors. The dipole engineering techniques include (1) forming a dipole dopant source layer over gate dielectrics of some transistors, but not other transistors, (2) forming a mask over gate dielectrics of some transistors, but not other transistors, (3) performing a nitrogen-containing thermal drive-in process, and (4) removing the dipole dopant source layer and the mask after the nitrogen-containing thermal drive-in process. The nitrogen-containing thermal drive-in process diffuses nitrogen and dipole dopant (n-dipole dopant and/or p-dipole dopant) into unmasked gate dielectrics having the dipole dopant source layer formed thereon, nitrogen into unmasked gate dielectrics, and dipole dopant into masked gate dielectrics having the dipole dopant source layer formed thereon.
    Type: Application
    Filed: June 27, 2024
    Publication date: October 17, 2024
    Inventors: Pei Ying LAI, Cheng-Chieh LIN, Hsueh-Ju CHEN, Tsung-Da LIN, Cheng-Hao HOU, Chi On CHUI
  • Publication number: 20240332004
    Abstract: A method includes forming a gate dielectric on a semiconductor region, depositing an aluminum nitride layer on the gate dielectric, depositing an aluminum oxide layer on the aluminum nitride layer, performing an annealing process to drive aluminum in the aluminum nitride layer into the gate dielectric, removing the aluminum oxide layer and the aluminum nitride layer, and forming a gate electrode on the gate dielectric.
    Type: Application
    Filed: July 3, 2023
    Publication date: October 3, 2024
    Inventors: Chi On Chui, Cheng-Hao Hou, Da-Yuan Lee, Pei Ying Lai, Yi Hsuan Chen, Jia-Yun Xu
  • Publication number: 20240321646
    Abstract: A method of forming a semiconductor device includes forming a CFET structure having a bottom gate region having a first plurality of gate dielectric layers wrapping around a first plurality of channels and a top gate region having a second plurality of gate dielectric layers wrapping around a second plurality of channels. The method includes performing a first dipole loop process to drive first dipole dopants into the first plurality of gate dielectric layers and performing a second dipole loop process to drive second dipole dopants into the second plurality of gate dielectric layers. And after performing the first and second dipole loop processes, the method includes depositing a gate metal over the first and second plurality of gate dielectric layers.
    Type: Application
    Filed: June 9, 2023
    Publication date: September 26, 2024
    Inventors: Ming-Ho Lin, Yao-Teng Chuang, Cheng-Hao Hou, Tsung-Da Lin, Da-Yuan Lee, Chi On Chui
  • Publication number: 20240322040
    Abstract: A first n-type transistor includes a first channel component, an undoped first gate dielectric layer disposed over the first channel component, and a first gate electrode disposed over the undoped first gate dielectric layer. A second n-type transistor includes a second channel component and a doped second gate dielectric layer disposed over the second channel component. The second gate dielectric layer is doped with a p-type dipole material. A second gate electrode is disposed over the second gate dielectric layer. At least one of the first n-type transistor or the second n-type transistor further includes an aluminum-free conductive layer. The aluminum-free conductive layer is disposed between the first gate dielectric layer and the first gate electrode or between the second gate dielectric layer and the second gate electrode.
    Type: Application
    Filed: September 29, 2023
    Publication date: September 26, 2024
    Inventors: Pei Ying Lai, Yi Hsuan Chen, Yen-Fu Chen, Jia-Yun Xu, Cheng-Hao Hou, Da-Yuan Lee, Chi On Chui
  • Publication number: 20240313041
    Abstract: A method includes forming a first electrode, and depositing a dielectric layer over the first electrode. The dielectric layer has a first dielectric constant and a first thickness. A dielectric capping layer is deposited over the dielectric layer. The dielectric capping layer has a second dielectric constant higher than the first dielectric constant, and a second thickness smaller than the first thickness. The method further includes forming a second electrode over the dielectric capping layer, forming a first contact plug electrically connecting to the first electrode, and forming a second contact plug electrically connecting to the second electrode.
    Type: Application
    Filed: March 15, 2023
    Publication date: September 19, 2024
    Inventors: Shin-Hung Tsai, Chun-Hsiu Chiang, Cheng-Hao Hou, Da-Yuan Lee, Chi On Chui
  • Publication number: 20240313044
    Abstract: A method includes forming a first electrode, performing a first treatment process on a first oxide layer over the first electrode, wherein the first treatment process is performed using a first process gas comprising ammonia, depositing a high-k dielectric layer over the first oxide layer, forming a second electrode over the high-k dielectric layer, forming a first contact plug electrically connecting to the first electrode, and forming a second contact plug electrically connecting to the second electrode.
    Type: Application
    Filed: March 16, 2023
    Publication date: September 19, 2024
    Inventors: Shin-Hung Tsai, Cheng-Hao Hou, Da-Yuan Lee, Chi On Chui
  • Publication number: 20240297084
    Abstract: A method includes depositing a first high-k dielectric layer over a first semiconductor region, performing a first annealing process on the first high-k dielectric layer, depositing a second high-k dielectric layer over the first high-k dielectric layer; and performing a second annealing process on the first high-k dielectric layer and the second high-k dielectric layer.
    Type: Application
    Filed: May 15, 2024
    Publication date: September 5, 2024
    Inventors: Cheng-Hao Hou, Che-Hao Chang, Da-Yuan Lee, Chi On Chui
  • Publication number: 20240290630
    Abstract: Dipole engineering techniques are disclosed that incorporate dipole dopant and/or nitrogen into gate dielectrics (e.g., high-k dielectric layers thereof) to realize multi-threshold voltage transistor tuning of transistors. The dipole engineering techniques include (1) forming a dipole dopant source layer over gate dielectrics of some transistors, but not other transistors, (2) forming a mask over gate dielectrics of some transistors, but not other transistors, (3) performing a nitrogen-containing thermal drive-in process, and (4) removing the dipole dopant source layer and the mask after the nitrogen-containing thermal drive-in process. The nitrogen-containing thermal drive-in process diffuses nitrogen and dipole dopant (n-dipole dopant and/or p-dipole dopant) into unmasked gate dielectrics having the dipole dopant source layer formed thereon, nitrogen into unmasked gate dielectrics, and dipole dopant into masked gate dielectrics having the dipole dopant source layer formed thereon.
    Type: Application
    Filed: November 28, 2023
    Publication date: August 29, 2024
    Inventors: Pei Ying Lai, Cheng-Chieh Lin, Hsueh-Ju Chen, Tsung-Da Lin, Cheng-Hao Hou, Chi On Chui
  • Patent number: 12074206
    Abstract: A device includes a semiconductor substrate, a fin structure on the semiconductor substrate, a gate structure on the fin structure, and a pair of source/drain features on both sides of the gate structure. The gate structure includes an interfacial layer on the fin structure, a gate dielectric layer on the interfacial layer, and a gate electrode layer of a conductive material on and directly contacting the gate dielectric layer. The gate dielectric layer includes nitrogen element.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: August 27, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chia-Wei Chen, Chih-Yu Hsu, Hui-Chi Chen, Shan-Mei Liao, Jian-Hao Chen, Cheng-Hao Hou, Huang-Chin Chen, Cheng Hong Yang, Shih-Hao Lin, Tsung-Da Lin, Da-Yuan Lee, Kuo-Feng Yu, Feng-Cheng Yang, Chi On Chui, Yen-Ming Chen
  • Patent number: 12040365
    Abstract: Dipole engineering techniques are disclosed that incorporate dipole dopant and/or nitrogen into gate dielectrics (e.g., high-k dielectric layers thereof) to realize multi-threshold voltage transistor tuning of transistors. The dipole engineering techniques include (1) forming a dipole dopant source layer over gate dielectrics of some transistors, but not other transistors, (2) forming a mask over gate dielectrics of some transistors, but not other transistors, (3) performing a nitrogen-containing thermal drive-in process, and (4) removing the dipole dopant source layer and the mask after the nitrogen-containing thermal drive-in process. The nitrogen-containing thermal drive-in process diffuses nitrogen and dipole dopant (n-dipole dopant and/or p-dipole dopant) into unmasked gate dielectrics having the dipole dopant source layer formed thereon, nitrogen into unmasked gate dielectrics, and dipole dopant into masked gate dielectrics having the dipole dopant source layer formed thereon.
    Type: Grant
    Filed: December 21, 2023
    Date of Patent: July 16, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Pei Ying Lai, Cheng-Chieh Lin, Hsueh-Ju Chen, Tsung-Da Lin, Cheng-Hao Hou, Chi On Chui
  • Patent number: 12017417
    Abstract: A fixture for heat pressing process is applied to a hot pressing machine for hot pressing two elastic plastic pieces so as to manufacture an airbag. The two elastic plastic pieces are disposed between the fixture and the hot pressing machine. The fixture includes a first frame, a second frame and a flexible heat blocking layer. The first frame includes two first brackets, which are separated from each other with a first distance. The second frame includes two second brackets, which are separated from each other with a second distance, and located at two ends of the first brackets, respectively. The flexible heat blocking layer is fixed by the first frame and/or the second frame.
    Type: Grant
    Filed: February 3, 2022
    Date of Patent: June 25, 2024
    Assignee: NATIONAL YANG MING CHIAO TUNG UNIVERSITY
    Inventors: Jen-Hui Chuang, June-Hao Hou, Chi-Li Cheng, Han-Ting Lin
  • Patent number: 12020991
    Abstract: A method includes depositing a first high-k dielectric layer over a first semiconductor region, performing a first annealing process on the first high-k dielectric layer, depositing a second high-k dielectric layer over the first high-k dielectric layer; and performing a second annealing process on the first high-k dielectric layer and the second high-k dielectric layer.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: June 25, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Cheng-Hao Hou, Che-Hao Chang, Da-Yuan Lee, Chi On Chui