Patents by Inventor Ping-Wei Wang

Ping-Wei Wang 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: 20220359538
    Abstract: A memory device includes a substrate, first semiconductor fin, second semiconductor fin, first gate structure, second gate structure, first gate spacer, and a second gate spacer. The first gate structure crosses the first semiconductor fin. The second gate structure crosses the second semiconductor fin, the first gate structure extending continuously from the second gate structure, in which in a top view of the memory device, a width of the first gate structure is greater than a width of the second gate structure. The first gate spacer is on a sidewall of the first gate structure. The second gate spacer extends continuously from the first gate spacer and on a sidewall of the second gate structure, in which in the top view of the memory device, a width of the first gate spacer is less than a width of the second gate spacer.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 10, 2022
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Hsin-Wen SU, Chih-Chuan YANG, Shih-Hao LIN, Yu-Kuan LIN, Lien-Jung HUNG, Ping-Wei WANG
  • Patent number: 11495503
    Abstract: A method of forming an integrated circuit, including forming a n-type doped well (N-well) and a p-type doped well (P-well) disposed side by side on a semiconductor substrate, forming a first fin active region extruded from the N-well and a second fin active region extruded from the P-well, forming a first isolation feature inserted between and vertically extending through the N-well and the P-well, and forming a second isolation feature over the N-well and the P-well and laterally contacting the first and the second fin active regions.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: November 8, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Kuo-Hsiu Hsu, Yu-Kuan Lin, Feng-Ming Chang, Hsin-Wen Su, Lien Jung Hung, Ping-Wei Wang
  • Publication number: 20220352256
    Abstract: Semiconductor structures and methods of the forming the same are provided. A semiconductor structure according to the present disclosure includes a source feature and a drain feature, an active region between the source feature and the drain feature, a gate structure over the active region, a frontside interconnect structure disposed over the source feature, the drain feature, and the gate structure, a backside interconnect structure disposed below the source feature, the drain feature, and the gate structure, and a storage element disposed in the backside interconnect structure.
    Type: Application
    Filed: August 16, 2021
    Publication date: November 3, 2022
    Inventors: Hsin-Wen Su, Jui-Lin Chen, Shih-Hao Lin, Ming-Yen Chuang, Chenchen Jacob Wang, Lien-Jung Hung, Ping-Wei Wang
  • Publication number: 20220352334
    Abstract: A method of forming a semiconductor structure includes forming a fin structure having a stack of alternating first semiconductor layers and second semiconductor layers over a substrate, forming cladding layers along sidewalls of the fin structure, forming a dummy gate stack over the cladding layers, and forming source/drain (S/D) features in the fin structure and adjacent to the dummy gate stack. The method further includes removing the dummy gate stack to form a gate trench adjacent to the S/D features, removing the cladding layers to form first openings along the sidewalls of the fin structure, where the first openings extend to below the stack, removing the first semiconductor layers to form second openings between the second semiconductor layers and adjacent to the first openings, and subsequently forming a metal gate stack in the gate trench, the first openings, and the second openings.
    Type: Application
    Filed: September 1, 2021
    Publication date: November 3, 2022
    Inventors: Chih-Chuan Yang, Chia-Hao Pao, Kuo-Hsiu Hsu, Shih-Hao Lin, Shang-Rong Li, Ping-Wei Wang
  • Publication number: 20220352181
    Abstract: A semiconductor device according to the present disclosure includes a gate extension structure, a first source/drain feature and a second source/drain feature, a vertical stack of channel members extending between the first source/drain feature and the second source/drain feature along a direction, and a gate structure wrapping around each of the vertical stack of channel members. The gate extension structure is in direct contact with the first source/drain feature.
    Type: Application
    Filed: July 20, 2022
    Publication date: November 3, 2022
    Inventors: Chih-Chuan Yang, Chia-Hao Pao, Yu-Kuan Lin, Lien-Jung Hung, Ping-Wei Wang, Shih-Hao Lin
  • Publication number: 20220344484
    Abstract: A method includes providing a substrate having a first region and a second region, forming a fin protruding from the first region, where the fin includes a first SiGe layer and a stack alternating Si layers and second SiGe layers disposed over the first SiGe layer and the first SiGe layer has a first concentration of Ge and each of the second SiGe layers has a second concentration of Ge that is greater than the first concentration, recessing the fin to form an S/D recess, recessing the first SiGe layer and the second SiGe layers exposed in the S/D recess, where the second SiGe layers are recessed more than the first SiGe layer, forming an S/D feature in the S/D recess, removing the recessed first SiGe layer and the second SiGe layers to form openings, and forming a metal gate structure over the fin and in the openings.
    Type: Application
    Filed: December 10, 2021
    Publication date: October 27, 2022
    Inventors: Chia-Hao Pao, Chih-Chuan Yang, Shih-Hao Lin, Kian-Long Lim, Chih-Hsuan Chen, Ping-Wei Wang
  • Publication number: 20220344353
    Abstract: An integrated circuit structure in which a gate overlies channel region in an active area of a first transistor. The first transistor includes a channel region, a source region and a drain region. A conductive contact is coupled to the drain region of the first transistor. A second transistor that includes a channel region, a source region a drain region is adjacent to the first transistor. The gate of the second transistor is spaced from the gate of the first transistor. A conductive via passes through an insulation layer to electrically connect to the gate of the second transistor. An expanded conductive via overlays both the conductive contact and the conductive via to electrically connect the drain of the first transistor to the gate of the second transistor.
    Type: Application
    Filed: July 8, 2022
    Publication date: October 27, 2022
    Inventors: YU-KUAN LIN, CHANG-TA YANG, PING-WEI WANG, KUO-YI CHAO, MEI-YUN WANG
  • Publication number: 20220336480
    Abstract: In some embodiments, the present disclosure relates to a one-time program (OTP) memory cell. The OTP memory cell includes a read transistor and a program transistor neighboring the read transistor. The read transistor includes a read dielectric layer and a read gate electrode overlying the read dielectric layer. The program transistor includes a program dielectric layer and a program gate electrode overlying the program dielectric layer. The program transistor has a smaller breakdown voltage than the read transistor.
    Type: Application
    Filed: June 30, 2022
    Publication date: October 20, 2022
    Inventors: Hsin-Wen Su, Lien Jung Hung, Ping-Wei Wang, Yu-Kuan Lin, Shih-Hao Lin
  • Patent number: 11475942
    Abstract: Memory devices are provided. In an embodiment, a memory device includes a static random access memory (SRAM) array. The SRAM array includes a static random access memory (SRAM) array. The SRAM array includes a first subarray including a plurality of first SRAM cells and a second subarray including a plurality of second SRAM cells. Each n-type transistor in the plurality of first SRAM cells includes a first work function stack and each n-type transistor in the plurality of second SRAM cells includes a second work function stack different from the first work function stack.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: October 18, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ping-Wei Wang, Chia-Hao Pao, Choh Fei Yeap, Yu-Kuan Lin, Kian-Long Lim
  • Publication number: 20220328498
    Abstract: Disclosed herein are related to a memory cell including magnetic tunneling junction (MTJ) devices. In one aspect, the memory cell includes a first layer including a first transistor and a second transistor. In one aspect, the first transistor and the second transistor are connected to each other in a cross-coupled configuration. A first drain structure of the first transistor may be electrically coupled to a first gate structure of the second transistor, and a second drain structure of the second transistor may be electrically coupled to a second gate structure of the first transistor. In one aspect, the memory cell includes a second layer including a first MTJ device electrically coupled to the first drain structure of the first transistor and a second MTJ device electrically coupled to the second drain structure of the second transistor. In one aspect, the second layer is above the first layer.
    Type: Application
    Filed: June 29, 2022
    Publication date: October 13, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Ping-Wei Wang, Jui-Lin Chen, Yu-Kuan Lin
  • Publication number: 20220328561
    Abstract: A magnetic device structure is provided. In some embodiments, the structure includes one or more first transistors, a magnetic device disposed over the one or more first transistors, a plurality of magnetic columns surrounding sides of the one or more first transistors and the magnetic device, a first magnetic layer disposed over the magnetic device and in contact with the plurality of magnetic columns, and a second magnetic layer disposed below the one or more first transistors and in contact with the plurality of magnetic columns.
    Type: Application
    Filed: August 20, 2021
    Publication date: October 13, 2022
    Inventors: Jui-Lin CHEN, Chenchen Jacob WANG, Hsin-Wen SU, Ping-Wei WANG, Yuan-Hao CHANG, Po-Sheng LU, Shih-Hao LIN
  • Publication number: 20220310630
    Abstract: A memory device includes a memory array having a plurality of memory cells. Each memory cell of the plurality of memory cells is connected to a word line to apply a first signal to select the memory cell to read data from or write the data to the memory cell and a bit line to read the data from the memory cell or provide the data to write to the memory cell upon selecting the memory cell by the word line. A first bit line portion of the bit line connected to a first memory cell of the plurality of memory cells abuts a second bit line portion of the bit line connected to a second memory cell of the plurality of memory cells. The first memory cell is adjacent to the second memory cell.
    Type: Application
    Filed: June 16, 2022
    Publication date: September 29, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ping-Wei Wang, Lien Jung Hung, Kuo-Hsiu Hsu, Kian-Long Lim, Yu-Kuan Lin, Chia-Hao Pao, Chih-Chuan Yang, Shih-Hao Lin, Choh Fei Yeap
  • Publication number: 20220301646
    Abstract: The present disclosure provides semiconductor device and methods of forming the same. A semiconductor device according to the present disclosure includes a gate structure, a source/drain feature adjacent the gate structure, a dielectric layer disclosed over the gate structure and the source/drain feature, a gate contact disposed in the dielectric layer and over the gate structure, and a source/drain contact disposed in the dielectric layer and over the source/drain feature. The dielectric layer is doped with a dopant and the dopant includes germanium or tin.
    Type: Application
    Filed: June 6, 2022
    Publication date: September 22, 2022
    Inventors: Hsin-Wen Su, Shih-Hao Lin, Jui-Lin Chen, Lien-Jung Hung, Ping-Wei Wang
  • Publication number: 20220302130
    Abstract: A static random access memory (SRAM) cell includes substrate, a first semiconductor fin, a first gate structure, a second semiconductor fin, and a second gate structure. The substrate has a first p-well and an n-well bordering the first p-well. The first semiconductor fin extends within the first p-well. The first gate structure extends across the first semiconductor fin and forms a first write-port pull-down transistor with the first semiconductor fin. The second semiconductor fin extends within the n-well. The second gate structure extends across the second semiconductor fin and forms a first write-port pull-up transistor with the second semiconductor fin. A channel region of the first write-port pull-down transistor has a higher doping concentration than a channel region of the first write-port pull-up transistor.
    Type: Application
    Filed: June 2, 2022
    Publication date: September 22, 2022
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Jordan HSU, Yu-Kuan LIN, Shau-Wei LU, Chang-Ta YANG, Ping-Wei WANG, Kuo-Hung LO
  • Patent number: 11450673
    Abstract: A semiconductor device according to the present disclosure includes a gate extension structure, a first source/drain feature and a second source/drain feature, a vertical stack of channel members extending between the first source/drain feature and the second source/drain feature along a direction, and a gate structure wrapping around each of the vertical stack of channel members. The gate extension structure is in direct contact with the first source/drain feature.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: September 20, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chih-Chuan Yang, Chia-Hao Pao, Yu-Kuan Lin, Lien Jung Hung, Ping-Wei Wang, Shih-Hao Lin
  • Publication number: 20220293616
    Abstract: A memory device includes a substrate, a first transistor and a second transistor, a Schottky diode, a first word line, a second word line, and a bit line. The first transistor and the second transistor are over the substrate, wherein a first source/drain structure of the first transistor is electrically connected to a first source/drain structure of the second transistor. The Schottky diode is electrically connected to a gate structure of the first transistor. The first word line is electrically connected to the gate structure of the first transistor through the Schottky diode. The second word line is electrically connected to a gate structure of the second transistor. The bit line is electrically connected to a second source/drain structure of the second transistor.
    Type: Application
    Filed: May 23, 2022
    Publication date: September 15, 2022
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Hsin-Wen SU, Chia-En HUANG, Shih-Hao LIN, Lien-Jung HUNG, Ping-Wei WANG
  • Patent number: 11411100
    Abstract: A semiconductor structure and a method of forming the same are provided. In an embodiment, a semiconductor structure includes a source feature and a drain feature, a channel structure disposed between the source feature and the drain feature, a semiconductor layer disposed over the channel structure and the drain feature, a dielectric layer disposed over the semiconductor layer, a backside source contact over the source feature and extending through the semiconductor layer and the dielectric layer, and a backside power rail disposed over the dielectric layer and in contact with the backside source contact.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: August 9, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ping-Wei Wang, Chih-Chuan Yang, Yu-Kuan Lin, Choh Fei Yeap
  • Patent number: 11404426
    Abstract: In some embodiments, the present disclosure relates to a one-time program (OTP) memory cell. The OTP memory cell includes a read transistor and a program transistor neighboring the read transistor. The read transistor includes a read dielectric layer and a read gate electrode overlying the read dielectric layer. The program transistor includes a program dielectric layer and a program gate electrode overlying the program dielectric layer. The program transistor has a smaller breakdown voltage than the read transistor.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: August 2, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hsin-Wen Su, Lien Jung Hung, Ping-Wei Wang, Yu-Kuan Lin, Shih-Hao Lin
  • Patent number: 11404424
    Abstract: Disclosed herein are related to a memory cell including magnetic tunneling junction (MTJ) devices. In one aspect, the memory cell includes a first layer including a first transistor and a second transistor. In one aspect, the first transistor and the second transistor are connected to each other in a cross-coupled configuration. A first drain structure of the first transistor may be electrically coupled to a first gate structure of the second transistor, and a second drain structure of the second transistor may be electrically coupled to a second gate structure of the first transistor. In one aspect, the memory cell includes a second layer including a first MTJ device electrically coupled to the first drain structure of the first transistor and a second MTJ device electrically coupled to the second drain structure of the second transistor. In one aspect, the second layer is above the first layer.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: August 2, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Ping-Wei Wang, Jui-Lin Chen, Yu-Kuan Lin
  • Patent number: 11393831
    Abstract: A memory device includes a memory array having a plurality of memory cells. Each memory cell of the plurality of memory cells is connected to a word line to apply a first signal to select the memory cell to read data from or write the data to the memory cell and a bit line to read the data from the memory cell or provide the data to write to the memory cell upon selecting the memory cell by the word line. A first bit line portion of the bit line connected to a first memory cell of the plurality of memory cells abuts a second bit line portion of the bit line connected to a second memory cell of the plurality of memory cells. The first memory cell is adjacent to the second memory cell.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: July 19, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
    Inventors: Ping-Wei Wang, Lien Jung Hung, Kuo-Hsiu Hsu, Kian-Long Lim, Yu-Kuan Lin, Chia-Hao Pao, Chih-Chuan Yang, Shih-Hao Lin, Choh Fei Yeap