Patents by Inventor Zhen Yu

Zhen Yu 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: 11710664
    Abstract: A method includes receiving a substrate having a front surface and a back surface; forming an isolation feature of a first dielectric material in the substrate, thereby defining an active region surrounded by the isolation feature; forming a gate stack on the active regions; forming a first and a second S/D feature on the fin active region; forming a front contact feature contacting the first S/D feature; thinning down the substrate from the back surface such that the isolation feature is exposed; selectively etching the active region, resulting in a trench surrounded by the isolation feature, the second S/D feature being exposed within the trench; forming, in the trench, a liner layer of a second dielectric material being different from the first dielectric material; forming a backside via feature landing on the second S/D feature within the trench; and forming a backside metal line landing on the backside via feature.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: July 25, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Li-Zhen Yu, Chia-Hao Chang, Huan-Chieh Su, Lin-Yu Huang, Cheng-Chi Chuang, Yu-Ming Lin, Chih-Hao Wang
  • Patent number: 11682707
    Abstract: A semiconductor device includes a metal gate structure having sidewall spacers disposed on sidewalls of the metal gate structure. In some embodiments, a top surface of the metal gate structure is recessed with respect to a top surface of the sidewall spacers. The semiconductor device may further include a metal cap layer disposed over and in contact with the metal gate structure, where a first width of a bottom portion of the metal cap layer is greater than a second width of a top portion of the metal cap layer. In some embodiments, the semiconductor device may further include a dielectric material disposed on either side of the metal cap layer, where the sidewall spacers and a portion of the metal gate structure are disposed beneath the dielectric material.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: June 20, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Lin-Yu Huang, Li-Zhen Yu, Chia-Hao Chang, Cheng-Chi Chuang, Kuan-Lun Cheng, Chih-Hao Wang
  • Patent number: 11682730
    Abstract: A semiconductor nanostructure and an epitaxial semiconductor material portion are formed on a front surface of a substrate, and a planarization dielectric layer is formed thereabove. Recess cavities are formed to expose a first active region and the epitaxial semiconductor material portion. A metallic cap structure is formed on the first active region, and a sacrificial metallic material portion is formed on the epitaxial semiconductor material portion. A connector via cavity is formed by anisotropically etching the sacrificial metallic material portion and an underlying portion of the epitaxial semiconductor material portion while the metallic cap structure is masked with a hard mask layer. A connector via structure is formed in the connector via cavity. Front-side metal interconnect structures are formed on the connector via structure and the metallic cap structure, and a backside via structure is formed through the substrate on the connector via structure.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: June 20, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Li-Zhen Yu, Chia-Hao Chang, Lin-Yu Huang, Cheng-Chi Chuang, Chih-Hao Wang
  • Patent number: 11670691
    Abstract: A device includes a substrate, a gate structure over the substrate, a gate spacer on a sidewall of the gate structure, a source/drain (S/D) region adjacent to the gate spacer, a silicide on the S/D region, a dielectric liner over a sidewall of the gate spacer, wherein a bottom surface of the dielectric liner is spaced away from the silicide by a gap, and an S/D contact over the silicide and at least partially filling the gap.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: June 6, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Lin-Yu Huang, Li-Zhen Yu, Chia-Hao Chang, Cheng-Chi Chuang, Yu-Ming Lin, Chih-Hao Wang
  • Patent number: 11670581
    Abstract: A semiconductor structure and the manufacturing method thereof are disclosed. An exemplary semiconductor structure includes a source/drain (S/D) feature formed in an interlayer dielectric layer (ILD), a S/D contact via electrically connected to the S/D feature, a metal feature formed over the S/D contact via, and a metal line formed over the metal feature and electrically connected to the S/D contact via. The metal line is formed of a material different from that of the S/D contact via, and the S/D contact via is spaced apart from the metal line. By providing the metal feature, electromigration between the metal line and the contact via may be advantageously reduced or substantially eliminated.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: June 6, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Lin-Yu Huang, Li-Zhen Yu, Chia-Hao Chang, Cheng-Chi Chuang, Kuan-Lun Cheng, Chih-Hao Wang
  • Patent number: 11664278
    Abstract: Semiconductor device and the manufacturing method thereof are disclosed herein. An exemplary semiconductor device comprises a semiconductor fin disposed over a substrate; a metal gate structure disposed over a channel region of the semiconductor fin; a first interlayer dielectric (ILD) layer disposed over a source/drain (S/D) region next to the channel region of the semiconductor fin; and a first conductive feature including a first conductive portion disposed on the metal gate structure and a second conductive portion disposed on the first ILD layer, wherein a top surface of the first conductive portion is below a top surface of the second conductive portion, a first sidewall of the first conductive portion connects a lower portion of a first sidewall of the second conductive portion.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: May 30, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Cheng-Chi Chuang, Li-Zhen Yu, Yi-Hsun Chiu, Yu-Ming Lin, Chih-Hao Wang
  • Patent number: 11663577
    Abstract: Embodiments of the present disclosure relate to the field of network technologies, including a resource transfer method and apparatus and a storage medium. The method includes: storing a graphic code in the specified application client, the graphic code being sent by a specified server when a network is already connected, the graphic code including a user identifier used by the specified application client to log in to the specified server, and the graphic code being obtained by the specified server from a third-party server accessed by an interface of the specified server, and presenting a stored graphic code when detecting a graphic code calling operation.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: May 30, 2023
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Li Qiang Wang, Zhen Yu Xu, Zhi Ping Su, Qi Cui, Dai Hua Wang, Nan Cui, Ru Jun Zhou
  • Publication number: 20230159597
    Abstract: Described herein is a composition and method of treating COVID-19 with lipid-peptide fusion antiviral therapy. Also described is a composition and method of treating Ebola with lipid-peptide fusion antiviral therapy.
    Type: Application
    Filed: April 22, 2021
    Publication date: May 25, 2023
    Inventors: Matteo POROTTO, Anne MOSCONA, Samuel GELLMAN, Victor OUTLAW, Zhen YU
  • Patent number: 11658226
    Abstract: Semiconductor structures and methods of forming the same are provided. A semiconductor structure according to one embodiment includes first nanostructures, a first gate structure wrapping around each of the first nanostructures and disposed over an isolation structure, and a backside gate contact disposed below the first nanostructures and adjacent to the isolation structure. A bottom surface of the first gate structure is in direct contact with the backside gate contact.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: May 23, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Huan-Chieh Su, Chun-Yuan Chen, Li-Zhen Yu, Lin-Yu Huang, Lo-Heng Chang, Cheng-Chi Chuang, Chih-Hao Wang
  • Publication number: 20230137307
    Abstract: An integrated circuit includes a first nanosheet transistor and a second nanosheet transistor on a substrate. The integrated circuit includes a backside trench through the substrate that removes a lowest semiconductor nanosheet of the first nanosheet transistor while leaving the lowest semiconductor nanosheet of the second nanosheet transistor. The backside trench is filled with a dielectric material.
    Type: Application
    Filed: March 11, 2022
    Publication date: May 4, 2023
    Inventors: Chun-Yuan CHEN, Li-Zhen YU, Huan-Chieh SU, Cheng-Chi CHUANG, Chih-Hao WANG
  • Publication number: 20230138012
    Abstract: A device includes a substrate and a transistor on the substrate. The transistor includes a channel region that has at least one semiconductor nanostructure, and a gate electrode. A source/drain region is disposed adjacent to a first side of the channel region along a first direction. A hybrid fin structure is disposed adjacent to a second side of the channel region along a second direction that is transverse to the first direction. The hybrid fin structure includes a first hybrid fin dielectric layer and a second hybrid fin dielectric layer. The first and second hybrid fin dielectric layers include silicon, oxygen, carbon and nitrogen and have a different concentration of at least one of silicon oxygen, carbon, or nitrogen from one another.
    Type: Application
    Filed: May 12, 2022
    Publication date: May 4, 2023
    Inventors: Chun-Yuan CHEN, Huan-Chieh SU, Li-Zhen YU, Cheng-Chi CHUANG, Chih-Hao WANG
  • Publication number: 20230121408
    Abstract: A method includes forming a transistor over a substrate; forming a front-side interconnection structure over the transistor; after forming the front-side interconnection structure, removing the substrate; after removing the substrate, forming a backside via to be electrically connected to the transistor; depositing a dielectric layer to cover the backside via; forming an opening in the dielectric layer to expose the backside via; forming a spacer structure on a sidewall of the opening; after forming a spacer structure, forming a conductive feature in the opening to be electrically connected to the backside via; and after forming the conductive feature, forming an air gap in the spacer structure.
    Type: Application
    Filed: December 14, 2022
    Publication date: April 20, 2023
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Li-Zhen Yu, Huan-Chieh Su, Lin-Yu Huang, Cheng-Chi Chuang, Chih-Hao Wang
  • Publication number: 20230120499
    Abstract: A device includes a device layer comprising a first transistor and a second transistor; a first interconnect structure on a front-side of the device layer; and a second interconnect structure on a backside of the device layer. The second interconnect structure comprising a first dielectric layer on the backside of the device layer, wherein a semiconductor material is disposed between the first dielectric layer and a first source/drain region of the first transistor; a contact extending through the first dielectric layer to a second source/drain region of the second transistor; and a first conductive line electrically connected to the second source/drain region of the second transistor through the contact.
    Type: Application
    Filed: December 19, 2022
    Publication date: April 20, 2023
    Inventors: Li-Zhen Yu, Huan-Chieh Su, Lin-Yu Huang, Cheng-Chi Chuang, Chih-Hao Wang
  • Publication number: 20230123733
    Abstract: A device includes a device layer including a first transistor, a first interconnect structure on a front-side of the device layer, and a second interconnect structure on a backside of the device layer. The second interconnect structure includes a first dielectric material on the backside of the device layer, a contact extending through the first dielectric material to a first source/drain region of the first transistor, and a first conductive layer including a first conductive line electrically connected to the first source/drain region through the contact.
    Type: Application
    Filed: December 16, 2022
    Publication date: April 20, 2023
    Inventors: Li-Zhen Yu, Lin-Yu Huang, Cheng-Chi Chuang, Chih-Hao Wang, Huan-Chieh Su
  • Publication number: 20230106478
    Abstract: A method of forming a semiconductor transistor device. The method comprises forming a channel structure over a substrate and forming a first source/drain structure and a second source/drain structure on opposite sides of the fin structure. The method further comprises forming a gate structure surrounding the fin structure. The method further comprises flipping and partially removing the substrate to form a back-side capping trench while leaving a lower portion of the substrate along upper sidewalls of the first source/drain structure and the second source/drain structure as a protective spacer. The method further comprises forming a back-side dielectric cap in the back-side capping trench.
    Type: Application
    Filed: December 12, 2022
    Publication date: April 6, 2023
    Inventors: Huan-Chieh Su, Cheng-Chi Chuang, Chih-Hao Wang, Zhi-Chang Lin, Li-Zhen Yu
  • Patent number: 11621224
    Abstract: A semiconductor structure includes a metal gate structure (MG) disposed over a semiconductor substrate, gate spacers disposed on sidewalls of the MG, and a gate contact disposed on the MG. The semiconductor structure further includes an etch-stop layer (ESL) disposed on the gate spacers, and a source/drain (S/D) contact disposed adjacent to the gate spacers, where a top portion of the S/D contact defined by the ESL is narrower than a bottom portion of the S/D contact defined by the gate spacers.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: April 4, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO. LTD.
    Inventors: Li-Zhen Yu, Chia-Hao Chang, Cheng-Chi Chuang, Yu-Ming Lin, Chih-Hao Wang
  • Patent number: 11619017
    Abstract: A barrage with a function of collecting floating garbage on a water surface is provided. It includes a first dam body as a main body of the barrage provided with multiple built-in low water level drainage channels and high water level drainage channels, a second dam body provided with multiple notches for converging floating garbage on the water surface, a garbage collecting and storing equipment arranged between the first dam body and the second dam body and a solar power generating equipment. The garbage collecting and storing equipment maintains running of the garbage conveyor belt by utilizing electric energy provided by the solar power generating equipment, thereby collecting garbage in a garbage pool beside the barrage. It not only has conventional functions of the barrage, but also greatly saves cost of manually salvaging garbage and avoids water pollution caused by accumulation of garbage on the river surface.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: April 4, 2023
    Assignee: LUDONG UNIVERSITY
    Inventors: Xueyan Li, Zhi Cheng, Zhen Yu, Zhenhua Zhang, Chunyi Xiu
  • Patent number: 11621197
    Abstract: Semiconductor devices and methods of forming the same are provided. A method according to the present disclosure includes providing a workpiece that has a substrate, a first plurality of channel members, a second plurality of channel members, a first gate structure engaging the first plurality of channel members, a second gate structure engaging the second plurality of channel members, a hybrid fin disposed between the first and second gate structures, and an isolation feature disposed under the hybrid fin. The method also includes forming a metal cap layer at a frontside of the workpiece. The metal cap layer electrically connects the first and second gate structures. The method also includes etching the isolation feature, etching the hybrid fin, etching the metal cap layer, and depositing a dielectric material to form a gate isolation feature disposed between the first and second gate structures.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: April 4, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Huan-Chieh Su, Li-Zhen Yu, Chun-Yuan Chen, Lo-Heng Chang, Cheng-Chi Chuang, Kuan-Lun Cheng, Chih-Hao Wang
  • Publication number: 20230097375
    Abstract: Provided herein are monolayer films, and also multilayer films comprising a core, a subskin disposed on the core, and a skin disposed on the subskin. The films may have an Elmendorf tear in MD greater than about 7.0 g/?m, a dart impact greater than about 6.0 g/?m, and a 1% secant modulus greater than about 200 MPa. In multilayer films, the core comprises a first polyethylene blend comprising an ethylene 1-hexene copolymer and a high density polyethylene composition in an amount between about 0 wt. % and about 40 wt. %. Further provided herein are bags and laminates comprising the present films.
    Type: Application
    Filed: March 3, 2021
    Publication date: March 30, 2023
    Inventors: Marianne F.M. SMITS, Ying ZOU, Etienne R.H. LERNOUX, Zhen-Yu ZHU, Xiao-Chuan WANG, Achiel J.M. VAN LOON, Maria Josefina CARBONE
  • Patent number: D983153
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: April 11, 2023
    Assignee: Power Idea Technology (Shenzhen) Co., Ltd.
    Inventors: Dong-Ming Chen, Zhen-Yu Guo