Patents by Inventor Meng-Sheng Chang

Meng-Sheng Chang 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: 20220367491
    Abstract: A semiconductor device is disclosed. The semiconductor device includes a fin-based structure formed on a substrate. The semiconductor device includes a plurality of first nanosheets, vertically spaced apart from one another, that are formed on the substrate. The semiconductor device includes a first source/drain (S/D) region electrically coupled to a first end of the fin-based structure. The semiconductor device includes a second S/D region electrically coupled to both of a second end of the fin-based structure and a first end of the plurality of first nanosheets. The semiconductor device includes a third S/D region electrically coupled to a second end of the plurality of first nanosheets. The fin-based structure has a first crystal lattice direction and the plurality of first nanosheets have a second crystal lattice direction, which is different from the first crystal lattice direction.
    Type: Application
    Filed: July 25, 2022
    Publication date: November 17, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Sheng Chang, Chia-En Huang, Yih Wang
  • Publication number: 20220367490
    Abstract: A memory device is disclosed. The memory device includes a transistor and a resistor electrically connected to the transistor. The transistor and the resistor form a first one-time programmable (OTP) memory cell. The resistor includes a metal-based layer with a resistivity configured to irreversibly transition from a first resistance state to a second resistance state.
    Type: Application
    Filed: September 14, 2021
    Publication date: November 17, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company Ltd.
    Inventors: Meng-Sheng Chang, Chia-En Huang
  • Publication number: 20220367492
    Abstract: A memory device includes a first memory cell having a first polysilicon line associated with a first read word line and intersecting a first active region and a second active region, and a second polysilicon line and a first CPODE associated with a first program word line, the second polysilicon line intersecting the first active region and the first CPODE intersecting the second active region. The memory device also includes a second memory cell adjacent to the first memory cell, the second memory cell having a third polysilicon line associated with a second read word line and intersecting the first active region and the second active region, and a fourth polysilicon line and a second CPODE associated with a second program word line, the fourth polysilicon line intersecting the second active region and the second CPODE intersecting the first active region to form a cross-arrangement of CPODE.
    Type: Application
    Filed: July 28, 2022
    Publication date: November 17, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Sheng Chang, Chia-En Huang, Shao-Yu Chou, Yih Wang
  • Patent number: 11501051
    Abstract: A memory device includes at least one bit line, at least one word line, and at least one memory cell comprising a capacitor and a transistor. The transistor has a gate terminal coupled to the word line, a first terminal, and a second terminal. The capacitor has a first end coupled to the first terminal of the transistor, a second end coupled to the bit line, and an insulating material between the first end and the second end. The insulating material is configured to break down under a predetermined break-down voltage or higher applied between the first end and the second end.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: November 15, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Meng-Sheng Chang, Chia-En Huang, Chien-Ying Chen
  • Publication number: 20220358976
    Abstract: A memory device includes a plurality of arrays coupled in parallel with each other. A first array of the plurality of arrays includes a first switch and a plurality of first memory cells that are arranged in a first column, a second switch and a plurality of second memory cells that are arranged in a second column, and at least one data line coupled to the plurality of first memory cells and the plurality of second memory cells. The second switch is configured to output a data signal from the at least one data line to a sense amplifier.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 10, 2022
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Meng-Sheng CHANG, Chia-En HUANG, Yi-Ching LIU, Yih WANG
  • Publication number: 20220359027
    Abstract: An integrated circuit (IC) device includes a first active region extending along a first direction, a first pair of gate regions extending across the first active region along a second direction transverse to the first direction, and a first metal layer. The first pair of gate regions and the first active region configure a first program transistor and a first read transistor sharing a common source/drain region. The first metal layer includes a first program word line pattern over and coupled to the gate region of the first program transistor, a first read word line pattern over and coupled to the gate region of the first read transistor, a first source line pattern coupled to another source/drain region of the first program transistor, and a first bit line pattern coupled to another source/drain region of the first read transistor.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 10, 2022
    Inventors: Meng-Sheng CHANG, Yao-Jen YANG
  • Publication number: 20220359545
    Abstract: A semiconductor device includes a plurality of first nanostructures extending along a first lateral direction. The semiconductor device includes a plurality of second nanostructures extending along the first lateral direction. The semiconductor device includes a dielectric fin structure disposed immediately next to a first sidewall of each of the plurality of first nanostructures along a second lateral direction perpendicular to the first lateral direction. The semiconductor device includes a first gate structure wrapping around each of the plurality of first nanostructures except for the first sidewalls. The semiconductor device includes a second gate structure straddling the plurality of second nanostructures.
    Type: Application
    Filed: September 13, 2021
    Publication date: November 10, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Sheng Chang, Chia-En Huang, Chun Chung Su, Chih-Ching Wang
  • Publication number: 20220359547
    Abstract: A memory device includes first nanostructures stacked on top of one another; first gate stacks, where two adjacent ones of the first gate stacks wrap around a corresponding first nanostructure; second nanostructures stacked on top of one another; second gate stacks, where two adjacent ones of the second gate stacks wrap around a corresponding second nanostructure; a first drain/source feature electrically coupled to a first end of the first nanostructures; a second drain/source feature electrically coupled to both of a second end of the first nanostructures and a first end of the second nanostructures; and a third drain/source feature electrically coupled to a second end of the second nanostructures. At least one of the plurality of first gate stacks is in direct contact with at least one of the first drain/source feature or the second drain/source feature.
    Type: Application
    Filed: July 27, 2022
    Publication date: November 10, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Sheng Chang, Chia-En Huang, Yih Wang
  • Publication number: 20220359546
    Abstract: A semiconductor device includes first nanostructures vertically separated from one another, a first gate structure wrapping around each of the first nanostructures, and second nanostructures vertically separated from one another. The semiconductor device also includes a second gate structure wrapping around the second nanostructures, a first drain/source structure coupled to a first end of the first nanostructures, a second drain/source structure coupled to both of a second end of the first nanostructures and a first end of the second nanostructures, and a third drain/source structure coupled to a second end of the second nanostructures. The first drain/source structure has a first doping type, the second and third drain/source structures have a second doping type, and the first doping type is opposite to the second doping type.
    Type: Application
    Filed: September 16, 2021
    Publication date: November 10, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Sheng Chang, Chia-En Huang, Chun Chung Su, Wen-Hsing Hsieh
  • Publication number: 20220352186
    Abstract: A semiconductor device includes a plurality of first nanostructures extending along a first lateral direction. The semiconductor device includes a first epitaxial structure and second epitaxial structure respectively coupled to ends of each of the plurality of first nanostructures along the first lateral direction. The semiconductor device includes a dielectric fin structure disposed immediately next to a sidewall of each of the plurality of first nanostructures facing a second lateral direction perpendicular to the first lateral direction. The semiconductor device includes a first gate structure wrapping around each of the plurality of first nanostructures except for the sidewalls of the first nanostructures. The semiconductor device includes a metal structure disposed above the first gate structure and coupled to one of the first or second epitaxial structure.
    Type: Application
    Filed: September 13, 2021
    Publication date: November 3, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Sheng Chang, Chia-En Huang
  • Publication number: 20220351774
    Abstract: A memory device includes a bit line (BL); a source line (SL); and a plurality of non-volatile memory cells operatively coupled between the BL and SL, respectively. Each of the plurality of non-volatile memory cells includes a resistor with a variable resistance, a first transistor, and a second transistor that are coupled to each other in series. In response to a first one of the non-volatile memory cell not being read and a second one of the non-volatile memory cell being read, a voltage level at a first node connected between the first and second transistors of the first non-volatile memory cell is greater than zero.
    Type: Application
    Filed: September 22, 2021
    Publication date: November 3, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Sheng Chang, Chia-En Huang, Gu-Huan Li
  • Publication number: 20220336012
    Abstract: A memory device includes a plurality of resistive random access memory (RRAM) cells commonly connected between a bit line (BL) and a source line (SL). Each of the RRAM cells includes a resistor, a first transistor, and a second transistor coupled to each other in series, with the resistor connected to the BL and the second transistor connected to the SL. The first transistor has a first threshold voltage, and the second transistor has a second threshold voltage, the first threshold voltage being less than the second threshold voltage.
    Type: Application
    Filed: October 8, 2021
    Publication date: October 20, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Sheng Chang, Chia-En Huang, Yih Wang
  • Publication number: 20220336018
    Abstract: In some aspects of the present disclosure, a memory circuit is disclosed. In some aspects, the memory circuit includes a first memory cell including a first resistor; and a first transistor coupled to the first resistor, wherein a first bulk port of the first transistor is biased at a first voltage level; a second memory cell coupled to the first memory cell, the second memory cell including a second resistor; and a second transistor coupled to the second memory cell, wherein a second bulk port of the second transistor is biased at a second voltage level, wherein the second voltage level is less than the first voltage level.
    Type: Application
    Filed: September 22, 2021
    Publication date: October 20, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Sheng Chang, Chia-En Huang
  • Publication number: 20220336031
    Abstract: Systems, devices, and methods are described herein for a programmable memory array. A programmable memory system includes an array of programmable memory bit cells. A memory bit cell of the array includes a first transistor of a first type controlled by a bit line, a second transistor of a second type responsive to a word line and a second word line via a logic gate, and a third transistor of the second type responsive to the word line. The first word line is positioned substantially perpendicular to the bit line, and the second word line is positioned substantially parallel to the bit line. The word line is activated via an X portion of an address. While the second word line is activated via a Y portion of the address.
    Type: Application
    Filed: December 21, 2021
    Publication date: October 20, 2022
    Inventors: Meng-Sheng Chang, Yoshitaka Yamauchi, Perng-Fei Yuh
  • Publication number: 20220336030
    Abstract: A multi-fuse memory cell is disclosed. The circuit includes: a first fuse element electrically coupled to a first transistor, a gate of the first transistor is electrically coupled to a first selection signal; a second fuse element electrically coupled to a second transistor, a gate of the second transistor is electrically coupled to a second selection signal, both the first transistor and the second transistor are grounded; and a programming transistor electrically coupled to the first fuse element and the second fuse element, wherein a gate of the programming transistor is electrically coupled to a programming signal.
    Type: Application
    Filed: July 1, 2022
    Publication date: October 20, 2022
    Inventors: Meng-Sheng Chang, Chia-En Huang, Shao-Yu Chou, Yih Wang
  • Publication number: 20220328506
    Abstract: A memory device includes an anti-fuse cell array having a plurality of anti-fuse cells, each of the plurality of anti-fuse cells having a first transistor and a second transistor connected to the first transistor. A first terminal of the first transistor is connected to a bit line and the bit line is a buried rail formed in a substrate of the first transistor and the second transistor.
    Type: Application
    Filed: June 29, 2022
    Publication date: October 13, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Meng-Sheng Chang, Chia-En Huang
  • Publication number: 20220328505
    Abstract: A structure includes a word line, a bit line, and an anti-fuse cell. The anti-fuse cell includes a reading device, a programming device, and a dummy device. The reading device includes a first gate coupled to the first word line, a first source/drain region coupled to the bit line, and a second source/drain region. The first source/drain region and the second source/drain region are on opposite sides of the first gate. The programming device includes a second gate, a third source/drain region coupled to the second source/drain region, and a fourth source/drain region. The third source/drain region and the fourth source/drain region are on opposite sides of the second gate. The dummy device includes a third gate, a fifth source/drain region coupled to the fourth source/drain region, and a sixth source/drain region. The fifth source/drain region and the sixth source/drain region are on opposite sides of the third gate.
    Type: Application
    Filed: June 28, 2022
    Publication date: October 13, 2022
    Inventors: Meng-Sheng CHANG, Yao-Jen YANG
  • Publication number: 20220328507
    Abstract: A one time programmable memory device includes a field effect transistor and an antifuse structure. A first node of the antifuse structure includes, or is electrically connected to, the drain region of the field effect transistor. The antifuse structure includes an antifuse dielectric layer and a second node on, or over, the antifuse dielectric layer. One of the first node and the second node includes the drain region or a metal via structure formed within a via cavity extending through an interlayer dielectric material layer that overlies the field effect transistor.
    Type: Application
    Filed: June 30, 2022
    Publication date: October 13, 2022
    Inventors: Meng-Sheng Chang, Chia-En Huang, Yih Wang
  • Publication number: 20220328470
    Abstract: An integrated circuit (IC) structure includes a semiconductor substrate, a shallow trench isolation (STI) region, and a capacitor. The STI region is embedded in the semiconductor substrate. The capacitor includes first and second conductive stacks. The first conductive stack includes a first dummy gate strip disposed entirely within the STI region and a plurality of first metal dummy gate contacts landing on the first metal capacitor strip. The second conductive stack includes a second dummy gate strip disposed entirely within the STI region and extending in parallel with the first dummy gate strip, and a plurality of second dummy gate contacts landing on the second dummy gate strip, wherein the first conductive stack is electrically isolated from the second conductive stack.
    Type: Application
    Filed: April 8, 2021
    Publication date: October 13, 2022
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Meng-Han LIN, Meng-Sheng CHANG
  • Patent number: 11443819
    Abstract: A memory device includes at least one bit line, at least one source line, at least one program word line, at least one read word line, and at least one memory cell including a program transistor and a read transistor. The program transistor includes a gate terminal coupled to the at least one program word line, a first terminal coupled to the at least one source line, and a second terminal. The read transistor includes a gate terminal coupled to at least one read word line, a first terminal coupled to the at least one bit line, and a second terminal coupled to the second terminal of the program transistor.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: September 13, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Meng-Sheng Chang, Yao-Jen Yang