Patents Assigned to TSMC CHINA COMPANY, LIMITED
  • Patent number: 12288786
    Abstract: A method of manufacturing an IC structure includes configuring each of an n-well and a p-well in a first IC die to have a first portion extending in a first direction and second and third portions extending from the first portion in a second direction perpendicular to the first direction, and forming IC devices including a first pickup structure electrically connected to the n-well and a second pickup structure electrically connected to the p-well. Forming the IC devices includes forming a PMOS transistor in the second or third portion of the n-well and forming an NMOS transistor in the second or third portion of the p-well.
    Type: Grant
    Filed: November 24, 2023
    Date of Patent: April 29, 2025
    Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY, LIMITED, TSMC NANJING COMPANY, LIMITED
    Inventors: Yang Zhou, Liu Han, Qingchao Meng, XinYong Wang, ZeJian Cai
  • Patent number: 12283590
    Abstract: An integrated circuit includes a first transistor, a second transistor, a first power line, and a second power line. The first transistor has a first active region and a first gate structure, in which the first active region has a source region and a drain region on opposite sides of the first gate structure. The second transistor is below the first transistor, and has a second active region and a second gate structure, in which the second active region has a source region and a drain region on opposite sides of the second gate structure. The first power line is above the first transistor, in which the first power line is electrically connected to the source region of first active region. The second power line is below the second transistor, in which the second power line is electrically connected to the source region of second active region.
    Type: Grant
    Filed: February 5, 2024
    Date of Patent: April 22, 2025
    Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY LIMITED
    Inventors: Xin-Yong Wang, Li-Chun Tien, Chih-Liang Chen
  • Publication number: 20250118346
    Abstract: A device includes a first memory subarray, a first modulation circuit, a second memory subarray, a second modulation circuit and a control signal generator. The first modulation circuit is coupled to the first memory subarray. The second memory subarray is located between the first memory subarray and the first modulation circuit along a direction. The second modulation circuit is coupled to the second memory subarray. The control signal generator is configured to generate a first control signal to trigger the first modulation circuit according to a first length of the first memory subarray along the direction, and configured to generate a second control signal to trigger the second modulation circuit according to a second length of the second memory subarray along the direction.
    Type: Application
    Filed: December 17, 2024
    Publication date: April 10, 2025
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITED
    Inventors: Xiu-Li YANG, He-Zhou WAN, Mu-Yang YE, Lu-Ping KONG, Ming-Hung CHANG
  • Patent number: 12272658
    Abstract: A method of making a semiconductor device includes manufacturing an ESD cell over a substrate, wherein the ESD cell includes multiple diodes connected in parallel to each other. The method includes manufacturing a conductive pillar electrically connected to the ESD cell of the semiconductor device; manufacturing a through-silicon via (TSV) extending through the substrate, wherein the TSV extends through the substrate within a TSV zone having a TSV zone perimeter, and wherein a first end of the TSV is at a same side of the substrate as the ESD cell, and a second end of the TSV is at a different side of the substrate from the ESD cell. The method includes manufacturing an antenna extending parallel to the TSV at a same side of the substrate as the ESD cell; and manufacturing an antenna pad electrically connected to the TSV, the antenna, and the conductive pillar.
    Type: Grant
    Filed: March 25, 2024
    Date of Patent: April 8, 2025
    Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY, LIMITED
    Inventors: HoChe Yu, Fong-Yuan Chang, XinYong Wang, Chih-Liang Chen, Tzu-Heng Chang
  • Patent number: 12271678
    Abstract: A method of making an integrated circuit includes dividing, in a first layer of an integrated circuit layout, a first arrangement of metal lines into a first set of metal lines and a second set of metal lines, wherein the first set of metal lines is between the second set of metal lines and a periphery of the integrated circuit layout, wherein the first arrangement of metal lines is configured to electrically connect to a plurality of contacts connected to a second layer of the integrated circuit layout after a manufacturing process. The method further includes adjusting a metal line perimeter of at least one metal line in the second set of metal lines to make a second arrangement of metal lines, wherein each adjusted metal line perimeter is separated from contacts in the second layer of the integrated circuit layout by at least a check distance.
    Type: Grant
    Filed: July 24, 2023
    Date of Patent: April 8, 2025
    Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY, LIMITED
    Inventors: XinYong Wang, Qiquan Wang, Li-Chun Tien, Yuan Ma
  • Publication number: 20250104766
    Abstract: A circuit comprises a memory array, a tracking bit line and a timing control circuit. The memory array comprises a plurality of tracking cells. The tracking bit line is coupled between a first node and the plurality of tracking cells. The timing control circuit is coupled to the first node and comprises a Schmitt trigger. The Schmitt trigger generates a negative bit line enable signal in response to that a voltage level on the first node being below a low threshold voltage value of the Schmitt trigger. The timing control circuit generates a negative bit line trigger signal according to the negative bit line enable signal for adjusting voltage levels of a plurality of bit lines of the memory array.
    Type: Application
    Filed: December 9, 2024
    Publication date: March 27, 2025
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC Nanjing Company Limited, TSMC China Company Limited
    Inventors: Xiu-Li YANG, Lu-Ping KONG, Kuan CHENG, He-Zhou WAN
  • Publication number: 20250104765
    Abstract: A circuit comprises a memory array, a tracking bit line and a timing control circuit. The memory array comprises a plurality of tracking cells. The tracking bit line is coupled between a first node and the plurality of tracking cells. The timing control circuit is coupled to the first node and comprises a Schmitt trigger. The Schmitt trigger generates a negative bit line enable signal in response to that a voltage level on the first node being below a low threshold voltage value of the Schmitt trigger. The timing control circuit generates a negative bit line trigger signal according to the negative bit line enable signal for adjusting voltage levels of a plurality of bit lines of the memory array.
    Type: Application
    Filed: December 9, 2024
    Publication date: March 27, 2025
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC Nanjing Company Limited, TSMC China Company Limited
    Inventors: Xiu-Li YANG, Lu-Ping KONG, Kuan CHENG, He-Zhou WAN
  • Publication number: 20250098139
    Abstract: A memory device includes a first memory array, a first isolation cell abutting a first side of the first memory array, a first edge cell array abutting a second side, opposite to the first side, of the first memory array, a second memory array arranged at a first side, opposite to the first memory array, of the first isolation cell, a second edge cell array, and multiple first word lines passing through the first edge cell array, the first memory array and being terminated at the first isolation cell. A first width of the first isolation cell is different from a second width of the first edge cell array. The second memory array is sandwiched between the second edge cell array and the first isolation cell.
    Type: Application
    Filed: November 25, 2024
    Publication date: March 20, 2025
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY LIMITED
    Inventors: Xiu-Li YANG, He-Zhou WAN, Yan-Bo SONG
  • Publication number: 20250078905
    Abstract: A memory device, comprising: a first driving circuit configured to provide a first current signal to a first node according to a decoder signal; a second driving circuit configured to provide a second current signal to a second node according to the decoder signal; and a modulating circuit coupled to the first node and the second node, configured to transmit each of the first current signal and the second current signal to a reference voltage terminal. A method is also disclosed herein. A method is also disclosed herein.
    Type: Application
    Filed: November 15, 2024
    Publication date: March 6, 2025
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC Nanjing Company Limited, TSMC China Company Limited
    Inventors: He-Zhou WAN, Xiu-Li YANG, Mu-Yang YE, Yan-Bo SONG
  • Publication number: 20250078885
    Abstract: A memory device includes a memory array, a first latch and a first logic element. The memory array is configured to operate according to a first global write signal. The first latch is configured to generate a first latch write data based on a clock signal. The first logic element is configured to generate the first global write signal based on the clock signal and the first latch write data.
    Type: Application
    Filed: November 15, 2024
    Publication date: March 6, 2025
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITED
    Inventors: He-Zhou WAN, Xiu-Li YANG, Pei-Le LI, Ching-Wei WU
  • Publication number: 20250067509
    Abstract: A method includes placing a ring-shaped bearing on a cylindrically-shaped sidewall in a chamber, the ring-shaped bearing comprising an inner race, an outer race, balls between the inner race and the outer race, and a grease among the balls; rotating the outer race of the ring-shaped bearing while the inner race of the ring-shaped bearing remains stationary relative to the cylindrically-shaped sidewall; heating the ring-shaped bearing; pumping the grease out of the chamber.
    Type: Application
    Filed: October 1, 2023
    Publication date: February 27, 2025
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY LIMITED
    Inventors: Hui CAO, Jiyong ZHANG, Tao ZHU
  • Patent number: 12237413
    Abstract: An integrated circuit comprising an n-type drift region, a gate structure directly on a first portion of the n-type drift region, a drain structure formed in a second portion of the n-type drift region, the gate structure and the drain structure being separated by a drift region length, a resist protective oxide (RPO) formed over a portion of the n-type drift region between the gate structure and the drain structure, a field plate contact providing a direct electrical connection to the resist protective oxide.
    Type: Grant
    Filed: August 10, 2023
    Date of Patent: February 25, 2025
    Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC CHINA COMPANY, LIMITED
    Inventors: Lianjie Li, Feng Han, Jian-Hua Lu, Yanbin Lu, Shui Liang Chen
  • Publication number: 20250058128
    Abstract: A semiconductor device includes substrate, a first gate structure, a second gate structure, and an epitaxy layer. The first gate structure and the second gate structure are over the substrate, in which the first gate structure and the second gate structure each comprises a shielding electrode, a gate electrode over the shielding electrode, and a first gate dielectric layer vertically separating the shielding electrode from the gate electrode. The epitaxy layer is over the substrate and cups an underside of the first gate structure and the second gate structure, in which the epitaxy layer comprises a doped region laterally between the first gate dielectric layer of the first gate structure and the first gate dielectric layer of the second gate structure, a dopant concentration of the doped region being non-uniform along a lateral direction.
    Type: Application
    Filed: November 1, 2024
    Publication date: February 20, 2025
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC CHINA COMPANY LIMITED
    Inventor: Zheng-Long CHEN
  • Publication number: 20250062141
    Abstract: A method includes placing a wafer in a process bath filled with a process solution; determining whether the wafer is in the process bath after a pre-set process time after placing the wafer in the process bath; and in response the determination determines that the wafer is in the process bath after the pre-set process time, draining the process solution from the process bath while the wafer is in the process bath.
    Type: Application
    Filed: August 31, 2023
    Publication date: February 20, 2025
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY LIMITED
    Inventors: Jie CHEN, Chuang LI, Qiang SU, Haobo NI
  • Publication number: 20250063827
    Abstract: An integrated circuit includes first to second transistors and a resistive device. The first transistor is coupled between a pad and a first voltage terminal that provides a first supply voltage. The second transistor is coupled in parallel with the first transistor. A breakdown voltage of the first transistor is different from a trigger voltage of the second transistor. The resistive device is coupled between the pad and a second voltage terminal that provides a second supply voltage higher than the first supply voltage, and operates with the second supply voltage in an electrostatic discharge (ESD) event when the first and second transistors discharge a ESD current between the pad and the first voltage terminal.
    Type: Application
    Filed: November 7, 2024
    Publication date: February 20, 2025
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC CHINA COMPANY LIMITED
    Inventors: Ya-Qi MA, Lei PAN, Zhen TANG
  • Patent number: 12231117
    Abstract: A Schmitt trigger circuit includes a first and second set of transistors, a first and second feedback transistor, and a first and second circuit. The first set of transistors is connected between a first voltage supply and an output node. The first voltage supply has a first voltage. The second set of transistors is connected between the output node and a second voltage supply. The second voltage supply has a second voltage. The first feedback transistor is connected to the output node, a first node and a second node. The second feedback transistor is connected to the output node, a third node and a fourth node. The first circuit is coupled to and configured to supply the second supply voltage to the second node. The second circuit is coupled to and configured to supply the first supply voltage to the fourth node.
    Type: Grant
    Filed: July 3, 2023
    Date of Patent: February 18, 2025
    Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY, LIMITED, TSMC NANJING COMPANY, LIMITED
    Inventors: Lei Pan, Yaqi Ma, Jing Ding, Zhang-Ying Yan
  • Patent number: 12211586
    Abstract: A device includes a first memory subarray, a first modulation circuit, a second memory subarray, a second modulation circuit and a control signal generator. The first modulation circuit is coupled to the first memory subarray. The second memory subarray is located between the first memory subarray and the first modulation circuit along a direction. The second modulation circuit is coupled to the second memory subarray. The control signal generator is configured to generate a first control signal to trigger the first modulation circuit according to a first length of the first memory subarray along the direction, and configured to generate a second control signal to trigger the second modulation circuit according to a second length of the second memory subarray along the direction.
    Type: Grant
    Filed: September 27, 2023
    Date of Patent: January 28, 2025
    Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITED
    Inventors: Xiu-Li Yang, He-Zhou Wan, Mu-Yang Ye, Lu-Ping Kong, Ming-Hung Chang
  • Patent number: 12206038
    Abstract: A PIN diode detector includes a substrate. The PIN diode detector further includes a plurality of PIN diode wells in a pixel region, wherein each of the plurality of PIN diode wells has a first dopant type. The PIN diode detector further includes a connecting ring well and a plurality of floating ring wells in a peripheral region, wherein the connecting ring well and plurality of floating ring wells have the first dopant type. The PIN diode detector further includes a field stop ring well surrounding the plurality of floating ring wells, wherein the field stop ring well has a second dopant type opposite the first dopant type. The PIN diode detector further includes a blanket doped region. The blanket doped region extends continuously through an entirety of the pixel region and an entirety of the peripheral region, and the blanket doped region has the second dopant type.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: January 21, 2025
    Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD, TSMC CHINA COMPANY, LIMITED
    Inventors: Lianjie Li, Feng Han, Lu Zhang, Shengtian Lu, LinChun Gui, Chenglin Zhang
  • Patent number: 12198754
    Abstract: A circuit comprises a memory array, a tracking bit line and a timing control circuit. The memory array comprises a plurality of tracking cells. The tracking bit line is coupled between a first node and the plurality of tracking cells. The timing control circuit is coupled to the first node and comprises a Schmitt trigger. The Schmitt trigger generates a negative bit line enable signal in response to that a voltage level on the first node being below a low threshold voltage value of the Schmitt trigger. The timing control circuit generates a negative bit line trigger signal according to the negative bit line enable signal for adjusting voltage levels of a plurality of bit lines of the memory array.
    Type: Grant
    Filed: June 29, 2023
    Date of Patent: January 14, 2025
    Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITED
    Inventors: Xiu-Li Yang, Lu-Ping Kong, Kuan Cheng, He-Zhou Wan
  • Patent number: 12191860
    Abstract: An integrated circuit includes an input circuit coupled to a first voltage supply, and configured to receive a first input signal, and to generate at least a second or a third input signal, and a level shifter circuit coupled to the input circuit and a second voltage supply, and configured to receive a first enable signal, the second or third input signal, and to generate a first signal responsive to the first enable signal, the second or third input signal. The input circuit includes a first set of transistors having a first threshold voltage. The first set of transistors includes a first set of active regions extending in a first direction. The level shifter circuit includes a second set of transistors having a second threshold voltage. The second set of transistors includes a second set of active regions extending in the first direction.
    Type: Grant
    Filed: December 12, 2023
    Date of Patent: January 7, 2025
    Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY, LIMITED, TSMC CHINA COMPANY, LIMITED
    Inventors: Jing Ding, Zhang-Ying Yan, Qingchao Meng, Lei Pan