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: 20220102366
    Abstract: A memory device includes a substrate, an active region, a first gate structure, a second gate structure, a first word line, and a second word line. The active region protrudes from a top surface of the substrate. The active region has at least one ring structure, in which when viewed from above, the ring structure has a first linear portion, a second linear portion, a first curved portion, and a second curved portion, the first curved portion connects first sides of the first and second linear portions, and the second curved portion connects second sides of the first and second linear portions. The first gate structure and the second gate structure are over the substrate and cross the active region. The first word line and the second word line are electrically connected to the first gate structure and the second gate structure, respectively.
    Type: Application
    Filed: September 28, 2020
    Publication date: March 31, 2022
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Hsin-Wen SU, Yu-Kuan LIN, Lien-Jung HUNG, Ping-Wei WANG, Chia-En HUANG
  • Publication number: 20220102368
    Abstract: A memory device includes a substrate, a first gate structure and a second gate structure, first, second, third source/drain structures, gate spacers, a first via and a second via, and a semiconductor layer. The first gate structure and the second gate structure are over the substrate. The first, second, third source/drain structures are over the substrate, in which the first and second source/drain structures are on opposite sides of the first gate structure, the second and third source/drain structures are on opposite sides of the second gate structure. The gate spacers are on opposite sidewalls of the first and second gate structures. The first via and the second via are over the first gate structure and the second gate structure, respectively, in which the first via is in contact with the first gate structure. The semiconductor layer is between the second via and the second gate structure.
    Type: Application
    Filed: September 28, 2020
    Publication date: March 31, 2022
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Hsin-Wen SU, Chia-En HUANG, Shih-Hao LIN, Lien-Jung HUNG, Ping-Wei WANG
  • Publication number: 20220076740
    Abstract: One aspect of this description relates to a memory cell. In some embodiments, the memory cell includes a first gate structure, a second gate structure, a third gate structure, a fourth gate structure, and a fifth gate structure that each extend along a first lateral direction, a first active structure extending along a second lateral direction and overlaid by respective first portions of the first to fourth gate structures, a second active structure extending along the second lateral direction and overlaid by respective second portions of the first to fourth gate structures, and a third active structure extending along the second lateral direction and overlaid by respective third portions of the third and fifth gate structures. In some embodiments, the first and second gate structures are aligned with each other, with the fourth and fifth gate structures aligned with a first segment and a second segment of the third gate structure, respectively.
    Type: Application
    Filed: November 17, 2021
    Publication date: March 10, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Chih-Chuan Yang, Feng-Ming Chang, Kuo-Hsiu Hsu, Ping-Wei Wang
  • Publication number: 20220068413
    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: August 31, 2020
    Publication date: March 3, 2022
    Inventors: Hsin-Wen Su, Shih-Hao Lin, Jui-Lin Chen, Lien Jung Hung, Ping-Wei Wang
  • Patent number: 11264393
    Abstract: A semiconductor device includes a fin structure. A source/drain region is formed on the fin structure. A first gate structure is disposed over the fin structure. A source/drain contact is disposed over the source/drain region. The source/drain contact has a protruding segment that protrudes at least partially over the first gate structure. The source/drain contact electrically couples together the source/drain region and the first gate structure.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: March 1, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Jui-Lin Chen, Chao-Yuan Chang, Ping-Wei Wang, Fu-Kai Yang, Ting Fang, I-Wen Wu, Shih-Hao Lin
  • Patent number: 11257817
    Abstract: Various embodiments of the present disclosure are directed towards an integrated chip (IC) having a device section and a pick-up section. The IC includes a semiconductor substrate. A first fin of the semiconductor substrate is disposed in the device section. A second fin of the semiconductor substrate is disposed in the pick-up section and laterally spaced from the first fin in a first direction. A gate structure is disposed in the device section and laterally spaced from the second fin in the first direction. The gate structure extends laterally over the semiconductor substrate and the first fin in a second direction perpendicular to the first direction. A pick-up region is disposed on the second fin. The pick-up region continuously extends from a first sidewall of the second fin to a second sidewall of the second fin. The first sidewall is laterally spaced from the second sidewall in the first direction.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: February 22, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hsin-Wen Su, Lien Jung Hung, Ping-Wei Wang, Wen-Chun Keng, Chih-Chuan Yang, Shih-Hao Lin
  • Publication number: 20220037340
    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 31, 2020
    Publication date: February 3, 2022
    Inventors: Chih-Chuan Yang, Chia-Hao Pao, Yu-Kuan Lin, Lien Jung Hung, Ping-Wei Wang, Shih-Hao Lin
  • Publication number: 20220037337
    Abstract: A memory device includes a memory array having a plurality of memory cells. Each of the plurality of memory cells includes a first word line to apply a first signal to select the each of the plurality of memory cells to read data from or write the data to the each of the plurality of memory cells, a second word line to apply a second signal to select the each of the plurality of memory cells to read the data from or write the data to the each of the plurality of memory cells, and a bit line to read the data from the each of the plurality of memory cells or provide the data to write to the each of the plurality of memory cells upon selecting the each of the plurality of memory cells by at least one of the first word line or the second word line.
    Type: Application
    Filed: July 31, 2020
    Publication date: February 3, 2022
    Inventors: Ping-Wei Wang, Lien Jung Hung, Kuo-Hsiu Hsu, Kian-Long Lim, Yu-Kuan Lin, Chia-Hao Pao, Chih-Chuan Yan, Shih-Hao Lin, Geoffrey Yeap
  • Publication number: 20220013165
    Abstract: One aspect of this description relates to a memory cell including a first layer including a first gate structure, a second gate structure, a third gate structure, and a fourth gate structure. The memory cell includes a second layer including a first active structure and a second active structure. The first gate structure overlaps the first active structure to form a first access transistor, the second gate structure overlaps the first active structure to form a first pull-down transistor, the third gate structure overlaps the first active structure to form a second pull-down transistor, and the fourth gate structure overlaps the first active structure to form a second access transistor. The second gate structure overlapping the second active structure to form a first pull-up transistor, the third gate structure overlapping the second active structure to form a second pull-up transistor.
    Type: Application
    Filed: July 10, 2020
    Publication date: January 13, 2022
    Inventors: Chih-Chuan Yang, Feng-Ming Chang, Kuo-Hsiu Hsu, Ping-Wei Wang
  • Publication number: 20210408012
    Abstract: A semiconductor device according to the present disclosure includes a first source/drain feature, a second source/drain feature, a third source/drain feature, a first dummy fin disposed between the first source/drain feature and the second source/drain feature along a direction to isolate the first source/drain feature from the second source/drain feature, and a second dummy fin disposed between the second source/drain feature and the third source/drain feature along the direction to isolate the second source/drain feature from the third source/drain feature. The first dummy fin includes an outer dielectric layer, an inner dielectric layer over the outer dielectric layer, and a first capping layer disposed over the outer dielectric layer and the inner dielectric layer. The second dummy fin includes a base portion and a second capping layer disposed over the base portion.
    Type: Application
    Filed: June 29, 2020
    Publication date: December 30, 2021
    Inventors: Wen-Chun Keng, Kuo-Hsiu Hsu, Chih-Chuan Yang, Lien Jung Hung, Ping-Wei Wang
  • Publication number: 20210398588
    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: Application
    Filed: January 21, 2021
    Publication date: December 23, 2021
    Inventors: Ping-Wei Wang, Chia-Hao Pao, Choh Fei Yeap, Yu-Kuan Lin, Kian-Long Lim
  • Patent number: 11205474
    Abstract: One aspect of this description relates to a memory cell including a first layer including a first gate structure, a second gate structure, a third gate structure, and a fourth gate structure. The memory cell includes a second layer including a first active structure and a second active structure. The first gate structure overlaps the first active structure to form a first access transistor, the second gate structure overlaps the first active structure to form a first pull-down transistor, the third gate structure overlaps the first active structure to form a second pull-down transistor, and the fourth gate structure overlaps the first active structure to form a second access transistor. The second gate structure overlapping the second active structure to form a first pull-up transistor, the third gate structure overlapping the second active structure to form a second pull-up transistor.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: December 21, 2021
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Chih-Chuan Yang, Feng-Ming Chang, Kuo-Hsiu Hsu, Ping-Wei Wang
  • Publication number: 20210391341
    Abstract: A memory device includes a substrate, first semiconductor layers and second semiconductor layers alternately stacked over the substrate, a first gate structure and a second gate structure crossing the first semiconductor layers and the second semiconductor layers, a first via and a second via over the first gate structure and the second gate structure, and a first word line and a second word line over the first via and the second via. Along a lengthwise direction of the first and second gate structures, a width of the first semiconductor layers is narrower than a width of the second semiconductor layers.
    Type: Application
    Filed: June 12, 2020
    Publication date: December 16, 2021
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Hsin-Wen SU, Yu-Kuan LIN, Shih-Hao LIN, Lien-Jung HUNG, Ping-Wei WANG
  • Patent number: 11201158
    Abstract: An SRAM structure is provided. The SRAM structure includes a plurality of first well regions with a first doping type, a second well region with a second doping type, a plurality of first well pick-up regions, a plurality of second well pick-up regions and a plurality of memory cells. The first well regions are formed in a semiconductor substrate. The second well region is formed in the semiconductor substrate. The first well pick-up regions are formed in the first well regions. The second well pick-up regions are formed in the second well region. Each of the memory cells is disposed on two adjacent first well regions and a portion of the second well region between the two adjacent first well regions. Each of the first well pick-up regions is disposed between two adjacent second well pick-up regions.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: December 14, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD
    Inventors: Feng-Ming Chang, Chia-Hao Pao, Lien-Jung Hung, Ping-Wei Wang
  • Publication number: 20210375883
    Abstract: A semiconductor structure includes an SRAM cell that includes first and second pull-up (PU) transistors, first and second pull-down (PD) transistors, first and second pass-gate (PG) transistors, and bit line (BL) conductors. The first PU and the first PD transistors form a first inverter. The second PU and the second PD transistors form a second inverter. The first and the second inverters are cross-coupled to form two storage nodes that are coupled to the BL conductors through the first and the second PG transistors. The first and the second PU transistors are formed over an n-type active region over a frontside of the semiconductor structure. The first and the second PD transistors and the first and the second PG transistors are formed over a p-type active region over the frontside of the semiconductor structure. The BL conductors are disposed over a backside of the semiconductor structure.
    Type: Application
    Filed: May 29, 2020
    Publication date: December 2, 2021
    Inventors: Kuo-Hsiu Hsu, Feng-Ming Chang, Kian-Long Lim, Ping-Wei Wang, Lien Jung Hung, Ruey-Wen Chang
  • Publication number: 20210343601
    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: Application
    Filed: July 12, 2021
    Publication date: November 4, 2021
    Inventors: Kuo-Hsiu Hsu, Yu-Kuan Lin, Feng-Ming Chang, Hsin-Wen Su, Lien Jung Hung, Ping-Wei Wang
  • Publication number: 20210343863
    Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a substrate having a first well region and a second well region and a first fin structure formed in a first region of the first well region. The semiconductor device structure also includes a second fin structure formed in a second region of the first well region. In addition, the second fin structure is narrower than the first fin structure. The semiconductor device structure also includes a third fin structure formed in a first region of the second well region. In addition, a sidewall of the first fin structure is substantially aligned with a sidewall of the third fin structure.
    Type: Application
    Filed: July 5, 2021
    Publication date: November 4, 2021
    Inventors: Yu-Kuan LIN, Chang-Ta YANG, Ping-Wei WANG
  • Publication number: 20210335797
    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: February 3, 2021
    Publication date: October 28, 2021
    Applicant: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Ping-Wei Wang, Jui-Lin Chen, Yu-Kuan Lin
  • Publication number: 20210305262
    Abstract: Methods and devices including a plurality of memory cells and a first bit line connected to a first column of memory cells of the plurality of memory cells, and a second bit line connected to the first column of cells. The first bit line is shared with a second column of memory cells adjacent to the first column of memory cells. The second bit line is shared with a third column of cells adjacent to the first column of cells opposite the second column of cells.
    Type: Application
    Filed: January 8, 2021
    Publication date: September 30, 2021
    Inventors: Ping-Wei Wang, Chih-Chuan Yang, Lien Jung Hung, Feng-Ming Chang, Kuo-Hsiu Hsu, Kian-Long Lim, Ruey-Wen Chang
  • Patent number: 11127746
    Abstract: Fin-based well straps are disclosed for improving performance of memory arrays, such as static random access memory arrays. An exemplary well strap cell is disposed between a first memory cell and a second memory cell. The well strap cell includes a p-well, a first n-well, and a second n-well disposed in a substrate. The p-well, the first n-well, and the second n-well are configured in the well strap cell such that a middle portion of the well strap cell is free of the first n-well and the second n-well along a gate length direction. The well strap cell further includes p-well pick up regions to the p-well and n-well pick up regions to the first n-well, the second n-well, or both. The p-well has an I-shaped top view along the gate length direction.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: September 21, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Feng-Ming Chang, Chia-Hao Pao, Lien Jung Hung, Ping-Wei Wang