Patents by Inventor Yung-Cheng Lu

Yung-Cheng Lu 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: 20240136428
    Abstract: Improved inner spacers for semiconductor devices and methods of forming the same are disclosed.
    Type: Application
    Filed: January 2, 2024
    Publication date: April 25, 2024
    Inventors: Wen-Kai Lin, Che-Hao Chang, Chi On Chui, Yung-Cheng Lu
  • Patent number: 11955370
    Abstract: A system and methods of forming a dielectric material within a trench are described herein. In an embodiment of the method, the method includes introducing a first precursor into a trench of a dielectric layer, such that portions of the first precursor react with the dielectric layer and attach on sidewalls of the trench. The method further includes partially etching portions of the first precursor on the sidewalls of the trench to expose upper portions of the sidewalls of the trench. The method further includes introducing a second precursor into the trench, such that portions of the second precursor react with the remaining portions of the first precursor to form the dielectric material at the bottom of the trench.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: April 9, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Bo-Cyuan Lu, Ting-Gang Chen, Sung-En Lin, Chunyao Wang, Yung-Cheng Lu, Chi On Chui, Tai-Chun Huang, Chieh-Ping Wang
  • Patent number: 11942329
    Abstract: A method for forming a semiconductor device is provided. The method includes forming a semiconductor protruding structure over a substrate and surrounding the semiconductor protruding structure with an insulating layer. The method also includes forming a dielectric layer over the insulating layer. The method further includes partially removing the dielectric layer and insulating layer using a planarization process. As a result, topmost surfaces of the semiconductor protruding structure, the insulating layer, and the dielectric layer are substantially level with each other. In addition, the method includes forming a protective layer to cover the topmost surfaces of the dielectric layer. The method includes recessing the insulating layer after the protective layer is formed such that the semiconductor protruding structure and a portion of the dielectric layer protrude from a top surface of a remaining portion of the insulating layer.
    Type: Grant
    Filed: March 3, 2022
    Date of Patent: March 26, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Wan-Yi Kao, Che-Hao Chang, Yung-Cheng Lu, Chi On Chui
  • Patent number: 11942549
    Abstract: A semiconductor device and method of manufacture are provided. In embodiments a first liner is deposited to line a recess between a first semiconductor fin and a second semiconductor fin, the first liner comprising a first material. The first liner is annealed to transform the first material to a second material. A second liner is deposited to line the recess, the second liner comprising a third material. The second liner is annealed to transform the third material to a fourth material.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: March 26, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Wan-Yi Kao, Yu-Cheng Shiau, Chunyao Wang, Chih-Tang Peng, Yung-Cheng Lu, Chi On Chui
  • Patent number: 11923432
    Abstract: A method of manufacturing a semiconductor device includes forming a multi-layer stack of alternating first layers of a first semiconductor material and second layers of a second semiconductor material on a semiconductor substrate, forming a first recess through the multi-layer stack, and laterally recessing sidewalls of the second layers of the multi-layer stack. The sidewalls are adjacent to the first recess. The method further includes forming inner spacers with respective seams adjacent to the recessed second layers of the multi-layer stack and performing an anneal treatment on the inner spacers to close the respective seams.
    Type: Grant
    Filed: January 3, 2023
    Date of Patent: March 5, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Yoh-Rong Liu, Wen-Kai Lin, Che-Hao Chang, Chi On Chui, Yung-Cheng Lu, Li-Chi Yu, Sen-Hong Syue
  • Publication number: 20240071330
    Abstract: A display device includes a display panel. The display panel has a functional display area. The functional display area includes a plurality of display pixels and a plurality of light transmitting regions. The plurality of display pixels are around by the plurality of the light transmitting regions. A boundary between one of the plurality of display pixels and one of the plurality of light transmitting regions comprises an arc segment.
    Type: Application
    Filed: November 3, 2023
    Publication date: February 29, 2024
    Applicant: Innolux Corporation
    Inventors: Chia-Hao Tsai, Ming-Jou Tai, Yi-Shiuan Cherng, Yu-Shih Tsou, You-Cheng Lu, Yung-Hsun Wu
  • Publication number: 20240071850
    Abstract: The present disclosure provides a semiconductor structure and a method of manufacturing a semiconductor structure. The semiconductor structure includes a substrate, semiconductor structures, an isolation layer, an adhesive layer, a metal layer, a metal nitride layer, a semiconductor layer, a profile modifier layer, and a disconnection structure. The semiconductor structures are disposed on the substrate. The isolation layer is disposed between the semiconductor structures. The metal layer is disposed on an adhesive layer. The metal nitride layer is disposed on the metal layer. The semiconductor layer is disposed on the metal nitride layer. The profile modifier layer is disposed on the semiconductor layer. The disconnection structure is disposed and extending from the profile modifier layer to the isolation layer. A first width of the disconnection structure in the profile modifier layer is substantially the same as a second width of the disconnection structure in the isolation layer.
    Type: Application
    Filed: August 29, 2022
    Publication date: February 29, 2024
    Inventors: FU-MING HSU, MING-JIE HUANG, ZHEN-CHENG WU, YUNG-CHENG LU
  • Patent number: 11916132
    Abstract: Semiconductor devices and methods of manufacturing are presented in which inner spacers for nanostructures are manufactured. In embodiments a dielectric material is deposited for the inner spacer and then treated. The treatment may add material and cause an expansion in volume in order to close any seams that can interfere with subsequent processes.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: February 27, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Wan-Yi Kao, Hung Cheng Lin, Che-Hao Chang, Yung-Cheng Lu, Chi On Chui
  • Patent number: 11901439
    Abstract: Improved inner spacers for semiconductor devices and methods of forming the same are disclosed.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: February 13, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Wen-Kai Lin, Che-Hao Chang, Chi On Chui, Yung-Cheng Lu
  • Publication number: 20240021706
    Abstract: A method includes performing an atomic layer deposition (ALD) process to form a dielectric layer on a wafer. The ALD process comprises an ALD cycle includes pulsing calypso ((SiCl3)2CH2), purging the calypso, pulsing ammonia, and purging the ammonia. The method further includes performing a wet anneal process on the dielectric layer, and performing a dry anneal process on the dielectric layer.
    Type: Application
    Filed: August 7, 2023
    Publication date: January 18, 2024
    Inventors: Wen-Kai Lin, Che-Hao Chang, Chi On Chui, Yung-Cheng Lu, Szu-Ying Chen
  • Patent number: 11865666
    Abstract: An apparatus for performing chemical mechanical polish on a wafer includes a polishing head that includes a retaining ring. The polishing head is configured to hold the wafer in the retaining ring. The retaining ring includes a first ring having a first hardness, and a second ring encircled by the first ring, wherein the second ring has a second hardness smaller than the first hardness.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: January 9, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Te-Chien Hou, Ching-Hong Jiang, Kuo-Yin Lin, Ming-Shiuan She, Shen-Nan Lee, Teng-Chun Tsai, Yung-Cheng Lu
  • Publication number: 20230386937
    Abstract: Disclosed is a method of forming a semiconductor device. The method includes providing a precursor having a substrate and gate stacks over the substrate, wherein each of the gate stacks includes an electrode layer, a first hard mask (HM) layer over the electrode layer, and a second HM layer over the first HM layer. The method further includes depositing a dielectric layer over the substrate and the gate stacks and filling spaces between the gate stacks; and performing a first chemical mechanical planarization (CMP) process to partially remove the dielectric layer. The method further includes performing an etching process to remove the second HM layer and to partially remove the dielectric layer, thereby exposing the first HM layer. The method further includes performing a second CMP process to at least partially remove the first HM layer.
    Type: Application
    Filed: July 26, 2023
    Publication date: November 30, 2023
    Inventors: Yu-Jen Shen, Ying-Ho Chen, Yung-Cheng Lu
  • Publication number: 20230352568
    Abstract: The present disclosure provides embodiments of semiconductor structures and method of forming the same. An example semiconductor structure includes a first source/drain feature and a second source/drain feature and a hybrid fin disposed between the first source/drain feature and the second source/drain feature and extending lengthwise along a first direction. The hybrid fin includes an inner feature and an outer layer disposed around the inner feature. The outer layer includes silicon oxycarbonitride and the inner feature includes silicon carbonitride.
    Type: Application
    Filed: June 30, 2023
    Publication date: November 2, 2023
    Inventors: Wan-Yi Kao, Yung-Cheng Lu, Che-Hao Chang, Chi On Chui, Hung Cheng Lin
  • Publication number: 20230326927
    Abstract: A semiconductor device and method of manufacture are provided. In embodiments a dielectric fin is formed in order to help isolate adjacent semiconductor fins. The dielectric fin is formed using a deposition process in which deposition times and temperatures are utilized to increase the resistance of the dielectric fin to subsequent etching processes.
    Type: Application
    Filed: June 15, 2023
    Publication date: October 12, 2023
    Inventors: Wan-Yi Kao, Hung Cheng Lin, Chunyao Wang, Yung-Cheng Lu, Chi On Chui
  • Patent number: 11764221
    Abstract: A semiconductor device and method of manufacture are provided. In embodiments a dielectric fin is formed in order to help isolate adjacent semiconductor fins. The dielectric fin is formed using a deposition process in which deposition times and temperatures are utilized to increase the resistance of the dielectric fin to subsequent etching processes.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: September 19, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Wan-Yi Kao, Hung Cheng Lin, Chunyao Wang, Yung-Cheng Lu, Chi On Chui
  • Patent number: 11757020
    Abstract: A method includes forming a fin extending from a substrate; forming an first isolation region along opposing sidewalls of the fin; forming a gate structure over the fin; forming an epitaxial source/drain region in the fin adjacent the gate structure; forming an etch stop layer over the epitaxial source/drain region and over the gate structure; forming a protection layer over the etch stop layer, the protection layer including silicon oxynitride; and forming a second isolation material over the protection layer, wherein forming the second isolation material reduces a nitrogen concentration of the protection layer.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: September 12, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Wan-Yi Kao, Che-Hao Chang, Yung-Cheng Lu, Chi On Chui
  • Patent number: 11756838
    Abstract: Disclosed is a method of forming a semiconductor device. The method includes providing a precursor having a substrate and gate stacks over the substrate, wherein each of the gate stacks includes an electrode layer, a first hard mask (HM) layer over the electrode layer, and a second HM layer over the first HM layer. The method further includes depositing a dielectric layer over the substrate and the gate stacks and filling spaces between the gate stacks; and performing a first chemical mechanical planarization (CMP) process to partially remove the dielectric layer. The method further includes performing an etching process to remove the second HM layer and to partially remove the dielectric layer, thereby exposing the first HM layer. The method further includes performing a second CMP process to at least partially remove the first HM layer.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: September 12, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yu-Jen Shen, Ying-Ho Chen, Yung-Cheng Lu
  • Publication number: 20230275140
    Abstract: A method of forming a semiconductor device includes: forming a dummy gate structure over a nanostructure, where the nanostructure overlies a fin that protrudes above a substrate, where the nanostructure comprises alternating layers of a first semiconductor material and a second semiconductor material; forming openings in the nanostructure on opposing sides of the dummy gate structure, the openings exposing end portions of the first semiconductor material and end portions of the second semiconductor material; recessing the exposed end portions of the first semiconductor material to form first sidewall recesses; filling the first sidewall recesses with a multi-layer spacer film; removing at least one sublayer of the multi-layer spacer film to form second sidewall recesses; and forming source/drain regions in the openings after removing at least one sublayer, where the source/drain regions seal the second sidewall recesses to form sealed air gaps.
    Type: Application
    Filed: April 20, 2023
    Publication date: August 31, 2023
    Inventors: Wen-Kai Lin, Yung-Cheng Lu, Che-Hao Chang, Chi On Chui
  • Publication number: 20230268416
    Abstract: Semiconductor devices and methods of manufacture are presented in which spacers are manufactured on sidewalls of gates for semiconductor devices. In embodiments the spacers comprise a first seal, a second seal, and a contact etch stop layer, in which the first seal comprises a first shell along with a first bulk material, the second seal comprises a second shell along with a second bulk material, and the contact etch stop layer comprises a third bulk material and a second dielectric material.
    Type: Application
    Filed: May 2, 2023
    Publication date: August 24, 2023
    Inventors: Wen-Kai Lin, Che-Hao Chang, Chi On Chui, Yung-Cheng Lu
  • Publication number: 20230268426
    Abstract: A method includes depositing a first dielectric layer over and along sidewalls of a first semiconductor fin and a second semiconductor fin, where the first semiconductor fin and the second semiconductor fin extend upwards from a semiconductor substrate, depositing a second dielectric layer over the first dielectric layer, depositing a third dielectric layer over the second dielectric layer, where materials of the second dielectric layer and the third dielectric layer are different, and a material of the first dielectric layer is different from the material of the second dielectric layer and recessing the first dielectric layer and the second dielectric layer to expose sidewalls of the first semiconductor fin and the second semiconductor fin and to form a dummy fin between the first semiconductor fin and the second semiconductor fin.
    Type: Application
    Filed: February 21, 2022
    Publication date: August 24, 2023
    Inventors: Wan-Yi Kao, Hung Cheng Lin, Che-Hao Chang, Yung-Cheng Lu, Chi On Chui