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).

  • Patent number: 11658114
    Abstract: A fusible structure includes a metal line with different portions having different thicknesses. Thinner portions of the metal line are designed to be destructively altered at lower voltages while thicker portions of the metal line are designed to be destructively altered at lower voltages. Furthermore, one or more dummy structures are disposed proximal to the thinner portions of the metal line. In some embodiments, dummy structures are placed with sufficient proximity so as to protect against metal sputtering when metal line is destructively altered.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: May 23, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shao-Ting Wu, Meng-Sheng Chang, Shao-Yu Chou, Chung-I Huang
  • Publication number: 20230157011
    Abstract: A memory device includes a first transistor. The first transistor includes one or more first semiconductor nanostructures spaced apart from one another along a first direction. Each of the one or more first semiconductor nanostructures has a first width along a second direction perpendicular to the first direction. The memory device also includes a second transistor coupled to the first transistor in series. The second transistor includes one or more second semiconductor nanostructures spaced apart from one another along the first direction. Each of the one or more second semiconductor nanostructures has a second, different width along the second direction.
    Type: Application
    Filed: January 20, 2023
    Publication date: May 18, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Sheng Chang, Chia-En Huang, Yi-Hsun Chiu, Yih Wang
  • Publication number: 20230156996
    Abstract: A memory cell is disclosed. The memory cell includes a first transistor. The first transistor includes a first conduction channel collectively constituted by one or more first nanostructures spaced apart from one another along a vertical direction. The memory cell includes a second transistor electrically coupled to the first transistor in series. The second transistor includes a second conduction channel collectively constituted by one or more second nanostructures spaced apart from one another along the vertical direction. At least one of the one or more first nanostructures is applied with first stress by a first metal structure extending, along the vertical direction, into a first drain/source region of the first transistor.
    Type: Application
    Filed: January 20, 2023
    Publication date: May 18, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Sheng Chang, Chia-En Huang, Yi-Hsun Chiu, Yih Wang
  • Publication number: 20230157009
    Abstract: An IC device includes an active area positioned in a substrate, first and second contact structures overlying and electrically connected to the active area, a conductive element overlying and electrically connected to each of the first and second contact structures, an anti-fuse transistor device including a dielectric layer between a gate structure and the active area, a first selection transistor overlying the active area adjacent to each of the anti-fuse transistor device and the first contact structure, and a second selection transistor overlying the active area adjacent to each of the anti-fuse transistor device and the second contact structure.
    Type: Application
    Filed: January 19, 2023
    Publication date: May 18, 2023
    Inventors: Min-Shin WU, Meng-Sheng CHANG, Shao-Yu CHOU, Yao-Jen YANG
  • Publication number: 20230157010
    Abstract: An integrated circuit includes a transistor, a first fuse element and a second fuse element. The transistor is formed in a first conductive layer. The first fuse element is formed in a second conductive layer and coupled between the transistor and a first data line. The second fuse element is formed in the second conductive layer and coupled between the transistor and a second data line. The first fuse element and the second fuse element are disposed at a same side of the transistor.
    Type: Application
    Filed: January 19, 2023
    Publication date: May 18, 2023
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Meng-Sheng CHANG, Yao-Jen YANG
  • Patent number: 11653492
    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 nano sheets have a second crystal lattice direction, which is different from the first crystal lattice direction.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: May 16, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING LIMITED
    Inventors: Meng-Sheng Chang, Chia-En Huang, Yih Wang
  • Publication number: 20230114430
    Abstract: A memory device includes a substrate, a semiconductor fin over the substrate and extending in a first direction, a first gate electrode and a second gate electrode over the substrate and extending in a second direction, the semiconductor fin extending through the second gate electrode and terminating on the first gate electrode at one end of the semiconductor fin, and a first gate spacer and a second gate spacer laterally surrounding the first gate electrode and the second gate electrode, respectively. The one end of the semiconductor fin is surrounded by the first gate electrode. The first gate spacer includes a top substantially at a same height of a top of the second gate spacer.
    Type: Application
    Filed: December 15, 2022
    Publication date: April 13, 2023
    Inventors: MENG-SHENG CHANG, CHIA-EN HUANG, YAO-JEN YANG, YIH WANG
  • Patent number: 11626368
    Abstract: A method of making a semiconductor device includes operations directed toward electrically connecting a component to a first fuse, wherein the first fuse is on a first conductive level a first distance from the component; identifying a conductive element for omission between the first fuse and a second fuse; and electrically connecting the component to the second fuse, wherein the second fuse is on a second conductive level a second distance from the component, the second distance is greater than the first distance, and the electrically connecting the component to the second fuse comprises electrically connecting the component to the second fuse without forming the identified conductive element.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: April 11, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Meng-Sheng Chang, Shao-Yu Chou, Po-Hsiang Huang, An-Jiao Fu, Chih-Hao Chen
  • Patent number: 11621046
    Abstract: An IC structure includes a bit line extending in a first direction, first and second pluralities of FinFETs, and a plurality of eFuses. The FinFETs of the first plurality of FinFETs alternate with the FinFETs of the second plurality of FinFETs along the bit line, each eFuse of the plurality of eFuses includes a conductive segment extending between first and second contact regions, the first contact region is electrically connected to the bit line, and the second contact region is electrically connected to each of an adjacent FinFET of the first plurality of FinFETs and an adjacent FinFET of the second plurality of FinFETs.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: April 4, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Meng-Sheng Chang, Yao-Jen Yang
  • Publication number: 20230098708
    Abstract: A memory system includes a memory array comprising a plurality of memory cells. Each of the memory cells includes a first programming transistor, a second programming transistor, a first reading transistor coupled to the first programming transistor in series, and a second reading transistor coupled to the second programming transistor in series. The memory system includes an authentication circuit operatively coupled to the memory array. The authentication circuit is configured to generate a Physically Unclonable Function (PUF) signature based on respective logic states of the plurality of memory cells. The logic state of each of the plurality of memory cells is determined based on a preceding breakdown of either the corresponding first programming transistor or second programming transistor.
    Type: Application
    Filed: September 30, 2021
    Publication date: March 30, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Sheng Chang, Chia-En Huang, Yih Wang
  • Publication number: 20230089590
    Abstract: A memory device includes a bit line, a word line, a memory cell including a capacitor and a transistor, and a controller. 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 controller, in a programming operation, applies a turn-ON voltage via the word line to the gate terminal of the transistor to turn ON the transistor, and applies a program voltage via the bit line to the second end of the capacitor to apply, while the transistor is turned ON, a predetermined break-down voltage or higher between the first end and the second end of the capacitor to break down the insulating material of the capacitor.
    Type: Application
    Filed: November 7, 2022
    Publication date: March 23, 2023
    Inventors: Meng-Sheng CHANG, Chia-En HUANG, Chien-Ying CHEN
  • Patent number: 11605639
    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: Grant
    Filed: June 15, 2020
    Date of Patent: March 14, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Meng-Sheng Chang, Chia-En Huang, Yih Wang
  • Patent number: 11600626
    Abstract: A structure includes anti-fuse cells. The anti-fuse cells include a first active area, a first gate, a second gate, at least one first gate via, and at least one second gate via. The first gate and the second gate are separate from each other. The first gate and the second gate extend to cross over the first active area. The at least one first gate via is coupled to the first gate and disposed directly above the first active area. The at least one second gate via is coupled to the second gate. The first gate is coupled through the at least one first gate via to a first word line for receiving a first programming voltage, and the second gate is coupled through the at least one second gate via to a second word line for receiving a first reading voltage.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: March 7, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Meng-Sheng Chang, Yao-Jen Yang, Yih Wang, Fu-An Wu
  • Publication number: 20230061700
    Abstract: Disclosed herein are related to a memory array including one-time programmable (OTP) cells. In one aspect, the memory array includes a set of OTP cells including a first subset of OTP cells connected between a first program control line and a first read control line. Each OTP cell of the first subset of OTP cells may include a programmable storage device and a switch connected between the first program control line and the first read control line. The first program control line may extend towards a first side of the memory array along a first direction, and the first read control line may extend towards a second side of the memory array facing away from the first side of the memory array.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 2, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Sheng Chang, Chia-En Huang, Yi-Ching Liu, Yih Wang
  • Publication number: 20230066618
    Abstract: One aspect of this description relates to a memory array. The memory array includes a plurality of N-stack pass gates, a plurality of enable lines, a plurality of NMOS stacks, a plurality of word lines, and a matrix of resistive elements. Each N-stack pass gate includes a stage-1 PMOS core device and a stage-N PMOS core device in series. Each stage-1 PMOS is coupled to a voltage supply. Each enable line drives a stack pass gate. Each N-stack selector includes a plurality of NMOS stacks. Each NMOS stack includes a stage-1 NMOS core device and a stage-N NMOS core device in series. Each stage-1 NMOS core device is coupled to a ground rail. Each word line is driving a stack selector. Each resistive element is coupled between a stack pass gate and a stack selector. Each voltage supply is greater than a breakdown voltage for each of the core devices.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 2, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Perng-Fei Yuh, Meng-Sheng Chang, Tung-Cheng Chang, Yih Wang
  • Publication number: 20230064751
    Abstract: A device includes a memory cell that randomly presents either a first logic state or a second logic state. The memory cell includes: a plurality of first nanostructures extending along a first lateral direction; a plurality of second nanostructures extending along the first lateral direction and disposed at a first side of the plurality of first nanostructures; a plurality of third nanostructures extending along the first lateral direction and disposed at a second side of the plurality of first nanostructures; a dielectric fin structure disposed immediately next to the plurality of first nanostructures along a second lateral direction, wherein a first sidewall of each of the plurality of first nanostructures facing toward or away from the second lateral direction is in contact with the dielectric fin structure; and a first gate structure wrapping around each of the plurality of first nanostructures except for the first sidewall.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 2, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Sheng Chang, Chia-En Huang
  • Publication number: 20230067791
    Abstract: Disclosed herein are related to a memory array. In one aspect, the memory array includes a first set of memory cells including a first subset of memory cells and a second subset of memory cells. In one aspect, the memory array includes a first switch including a first electrode connected to first electrodes of the first subset of memory cells, and a second electrode connected to a first global line. In one aspect, the memory array includes a second switch including a first electrode connected to first electrodes of the second subset of memory cells, and a second electrode connected to the first global line.
    Type: Application
    Filed: August 28, 2021
    Publication date: March 2, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Sheng Chang, Chia-En Huang, Yi-Ching Liu, Yih Wang
  • Publication number: 20230061343
    Abstract: An integrated circuit includes a front-side horizontal conducting line in a first metal layer, a front-side vertical conducting line in a second metal layer, a front-side fuse element, and a backside conducting line. The front-side horizontal conducting line is directly connected to the drain terminal-conductor of a transistor through a front-side terminal via-connector. The front-side vertical conducting line is directly connected to the front-side horizontal conducting line through a front-side metal-to-metal via-connector. The front-side fuse element having a first fuse terminal conductively connected to the front-side vertical conducting line. The backside conducting line is directly connected to the source terminal-conductor of the transistor through a backside terminal via-connector.
    Type: Application
    Filed: August 26, 2021
    Publication date: March 2, 2023
    Inventors: Chien-Ying CHEN, Yen-Jen CHEN, Yao-Jen YANG, Meng-Sheng CHANG, Chia-En HUANG
  • Publication number: 20230066081
    Abstract: Disclosed herein are related to a memory array including a set of memory cells and a set of switches to configure the set of memory cells. In one aspect, each switch is connected between a corresponding local line and a corresponding subset of memory cells. The local clines may be connected to a global line. Local lines may be metal rails, for example, local bit lines or local select lines. A global line may be a metal rail, for example, a global bit line or a global select line. A switch may be enabled or disabled to electrically couple a controller to a selected subset of memory cells through the global line. Accordingly, the set of memory cells can be configured through the global line rather than a number of metal rails to achieve area efficiency.
    Type: Application
    Filed: August 28, 2021
    Publication date: March 2, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Sheng Chang, Chia-En HUANG, Yi-Ching LIU, Yih Wang
  • Publication number: 20230062566
    Abstract: Disclosed herein are related to a memory array. In one aspect, the memory array includes a set of resistive storage circuits including a first subset of resistive storage circuits connected between a first local line and a second local line in parallel. The first local line and the second local line may extend along a first direction. In one aspect, for each resistive storage circuit of the first subset of resistive storage circuits, current injected at a first common entry point of the first local line exits through a first common exit point of the second local line, such that each resistive storage circuit of the first subset of resistive storage circuits may have same or substantial equal resistive loading.
    Type: Application
    Filed: August 28, 2021
    Publication date: March 2, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Sheng CHANG, Chia-En HUANG, Yi-Ching LIU, Yih WANG