Patents by Inventor Yu-Wei Jiang

Yu-Wei Jiang 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: 12635141
    Abstract: A device includes a dielectric layer, a conductive layer, electrode layers and an oxide semiconductor layer. The dielectric layer has a first surface and a second surface opposite to the first surface. The conductive layer is disposed on the first surface of the dielectric layer. The electrode layers are disposed on the second surface of the dielectric layer. The oxide semiconductor layer is disposed in between the second surface of the dielectric layer and the electrode layers, wherein the oxide semiconductor layer comprises a material represented by formula 1 (InxSnyTizMmOn). In formula 1, 0<x<1, 0?y<1, 0<z<1, 0<m<1, 0<n<1, and M represents at least one metal.
    Type: Grant
    Filed: August 10, 2022
    Date of Patent: May 19, 2026
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hung-Chang Sun, Sheng-Chih Lai, Tsuching Yang, Yu-Wei Jiang, Kuo-Chang Chiang
  • Publication number: 20260122906
    Abstract: A memory device includes a multi-layer stack, a channel layer, a memory material layer and at least three conductive pillars. The multi-layer stack is disposed on a substrate and includes a plurality of conductive layers and a plurality of dielectric layers stacked alternately. The channel layer and memory material layer penetrate through the plurality of conductive layers and the plurality of dielectric layers. The at least three conductive pillars are surrounded by the channel layer and the memory material layer, wherein the at least three conductive pillars are electrically connected to conductive layers respectively. The at least three conductive pillars includes a first, a second and a third conductive pillars disposed between the first conductive pillar and the second conductive pillar. A third width of the third conductive pillar is smaller than a first width of the first conductive pillar and a second width of the second conductive pillar.
    Type: Application
    Filed: October 28, 2025
    Publication date: April 30, 2026
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu-Wei Jiang, Pin-Cheng Hsu, Feng-Cheng Yang, Chung-Te Lin
  • Patent number: 12615779
    Abstract: A memory device includes a multi-layer stack disposed on a substrate and including conductive layers and dielectric layers stacked alternately, a channel layer penetrating through the conductive layers and the dielectric layers, a charge storage layer disposed between the conductive layers and the channel layer, an insulating layer penetrating through the conductive layers and the dielectric layers and disposed between the charge storage layer and the multi-layer stack, and a first conductive pillar and a second conductive pillar enclosed by the channel layer.
    Type: Grant
    Filed: July 28, 2023
    Date of Patent: April 28, 2026
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hung-Chang Sun, Yu-Wei Jiang, TsuChing Yang, Kuo-Chang Chiang, Sheng-Chih Lai
  • Publication number: 20260075940
    Abstract: Provided is a semiconductor device includes a gate electrode, a gate dielectric layer, a channel layer, an insulating layer, a first source/drain electrode and a second source/drain electrode, a second dielectric layer, and a stop segment. The gate electrode is located within a first dielectric layer that overlies a substrate. The gate dielectric layer is located over the gate electrode. The channel layer is located on the gate dielectric layer. The insulating layer is located over the channel layer. The first source/drain electrode and the second source/drain electrode are located in the insulating layer, and connected to the channel layer. The second dielectric layer is beside one of the first source/drain electrode and the second source/drain electrode. The stop segment is embedded in the second dielectric layer.
    Type: Application
    Filed: November 13, 2025
    Publication date: March 12, 2026
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu-Wei Jiang, Chieh-Fang Chen, Yen-Chung Ho, Pin-Cheng Hsu, Feng-Cheng Yang, Chung-Te Lin
  • Patent number: 12501700
    Abstract: Provided is a semiconductor device includes a gate electrode, a gate dielectric layer, a channel layer, an insulating layer, a first source/drain electrode and a second source/drain electrode, a second dielectric layer, and a stop segment. The gate electrode is located within a first dielectric layer that overlies a substrate. The gate dielectric layer is located over the gate electrode. The channel layer is located on the gate dielectric layer. The insulating layer is located over the channel layer. The first source/drain electrode and the second source/drain electrode are located in the insulating layer, and connected to the channel layer. The second dielectric layer is beside one of the first source/drain electrode and the second source/drain electrode. The stop segment is embedded in the second dielectric layer.
    Type: Grant
    Filed: January 10, 2023
    Date of Patent: December 16, 2025
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu-Wei Jiang, Chieh-Fang Chen, Yen-Chung Ho, Pin-Cheng Hsu, Feng-Cheng Yang, Chung-Te Lin
  • Publication number: 20250366006
    Abstract: A transistor includes a gate electrode, a ferroelectric layer, a channel layer, a gas impermeable layer, a dielectric layer, a source line and a bit line. The ferroelectric layer is disposed on the gate electrode. The channel layer is disposed on the ferroelectric layer. The gas impermeable layer is disposed in between the channel layer and the gate electrode, and in contact with the ferroelectric layer. The dielectric layer is surrounding the ferroelectric layer and the channel layer, and in contact with the gas impermeable layer. The source line and the bit line are embedded in the dielectric layer and connected to the channel layer.
    Type: Application
    Filed: August 6, 2025
    Publication date: November 27, 2025
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu-Wei Jiang, Sheng-Chih Lai, Feng-Cheng Yang, Chung-Te Lin
  • Patent number: 12484229
    Abstract: A memory device includes a multi-layer stack, a channel layer, a memory material layer and at least three conductive pillars. The multi-layer stack is disposed on a substrate and includes a plurality of conductive layers and a plurality of dielectric layers stacked alternately. The channel layer and memory material layer penetrate through the plurality of conductive layers and the plurality of dielectric layers. The at least three conductive pillars are surrounded by the channel layer and the memory material layer, wherein the at least three conductive pillars are electrically connected to conductive layers respectively. The at least three conductive pillars includes a first, a second and a third conductive pillars disposed between the first conductive pillar and the second conductive pillar. A third width of the third conductive pillar is smaller than a first width of the first conductive pillar and a second width of the second conductive pillar.
    Type: Grant
    Filed: January 10, 2023
    Date of Patent: November 25, 2025
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu-Wei Jiang, Pin-Cheng Hsu, Feng-Cheng Yang, Chung-Te Lin
  • Patent number: 12471346
    Abstract: A memory cell includes a thin film transistor over a semiconductor substrate. The thin film transistor includes a memory film contacting a word line; and an oxide semiconductor (OS) layer contacting a source line and a bit line, wherein the memory film is disposed between the OS layer and the word line; and a dielectric material separating the source line and the bit line. The dielectric material forms an interface with the OS layer. The dielectric material comprises hydrogen, and a hydrogen concentration at the interface between the dielectric material and the OS layer is no more than 3 atomic percent (at %).
    Type: Grant
    Filed: April 14, 2023
    Date of Patent: November 11, 2025
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Kuo-Chang Chiang, Hung-Chang Sun, Sheng-Chih Lai, TsuChing Yang, Yu-Wei Jiang
  • Patent number: 12464755
    Abstract: A transistor includes a gate electrode, a ferroelectric layer, a channel layer, a gas impermeable layer, a dielectric layer, a source line and a bit line. The ferroelectric layer is disposed on the gate electrode. The channel layer is disposed on the ferroelectric layer. The gas impermeable layer is disposed in between the channel layer and the gate electrode, and in contact with the ferroelectric layer. The dielectric layer is surrounding the ferroelectric layer and the channel layer, and in contact with the gas impermeable layer. The source line and the bit line are embedded in the dielectric layer and connected to the channel layer.
    Type: Grant
    Filed: June 16, 2023
    Date of Patent: November 4, 2025
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu-Wei Jiang, Sheng-Chih Lai, Feng-Cheng Yang, Chung-Te Lin
  • Publication number: 20250331190
    Abstract: A 3D memory array including multiple memory cells and a method of manufacturing the same are provided. Each memory cell includes a first isolation structure, source and drain electrodes, a gate layer, a channel layer and a memory layer. The source and drain electrodes are disposed on opposite sides of the first isolation structure, and the source and drain electrodes comprise kink portions. The gate layer is disposed beside the source and drain electrodes and the first isolation structure. The channel layer is disposed between the gate layer and the source electrode, the first isolation structure and the drain electrode, and the channel layer extends between the source and drain electrodes and covers the kink portions of the source and drain electrodes. The memory layer is disposed between the gate layer and the channel layer and extends beside the gate layer and extends beyond the channel layer.
    Type: Application
    Filed: June 30, 2025
    Publication date: October 23, 2025
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu-Wei Jiang, TsuChing Yang, Sheng-Chih Lai, Feng-Cheng Yang, Chung-Te Lin
  • Publication number: 20250318140
    Abstract: The present disclosure provides a semiconductor structure. The semiconductor structure includes a substrate and a stacked structure disposed on the substrate. The stacked structure includes multiple alternately stacked insulating layers and gate members. A core structure is disposed in the stacked structure. The core structure includes a memory layer, a channel member, a contact member, and a liner member. The channel member is disposed on the memory layer. The contact member is disposed on the channel member. The liner member surrounds a portion of the core structure. The present disclosure also provides a method for fabricating the semiconductor structure.
    Type: Application
    Filed: June 16, 2025
    Publication date: October 9, 2025
    Inventors: Yu-Wei Jiang, Sheng-Chih Lai, Feng-Cheng Yang, Chung-Te Lin
  • Publication number: 20250318137
    Abstract: A method of forming a three-dimensional (3D) memory device includes: forming, over a substrate, a layer stack having alternating layers of a first conductive material and a first dielectric material; forming trenches extending vertically through the layer stack from an upper surface of the layer stack distal from the substrate to a lower surface of the layer stack facing the substrate; lining sidewalls and bottoms of the trenches with a memory film; forming a channel material over the memory film, the channel material including an amorphous material; filling the trenches with a second dielectric material after forming the channel material; forming memory cell isolation regions in the second dielectric material; forming source lines (SLs) and bit lines (BLs) that extend vertically in the second dielectric material on opposing sides of the memory cell isolation regions; and crystallizing first portions of the channel material after forming the SLs and BLs.
    Type: Application
    Filed: June 19, 2025
    Publication date: October 9, 2025
    Inventors: TsuChing Yang, Hung-Chang Sun, Kuo-Chang Chiang, Sheng-Chih Lai, Yu-Wei Jiang
  • Publication number: 20250311220
    Abstract: A method includes: depositing charge-trapping layers over a substrate; depositing channel layers over the charge-trapping layers; forming a plurality of first filling regions between the channel layers, the first filling regions including first trenches; depositing a liner over upper surfaces of the charge-trapping layers and the channel layers and sidewalls of the first trenches; forming second filling regions in the first trenches; and removing at least part of the liner and the second filling regions to expose the charge-trapping layers and the channel layers.
    Type: Application
    Filed: April 15, 2025
    Publication date: October 2, 2025
    Inventors: YU-WEI JIANG, SHENG-CHIH LAI, KUO-CHANG CHIANG, HUNG-CHANG SUN, TSUCHING YANG, FENG-CHENG YANG, CHUNG-TE LIN
  • Publication number: 20250311225
    Abstract: A memory device includes transistor structures and memory arc wall structures. The memory arc wall structures are embedded in the transistor structures. The transistor structure includes a dielectric column, a source electrode and a drain electrode, a gate electrode layer and a channel wall structure. The source electrode and the drain electrode are located on opposite sides of the dielectric column. The gate electrode layer is around the dielectric column, the source electrode, and the drain electrode. The channel wall structure is extended from the source electrode to the drain electrode and surrounds the dielectric column. The channel wall structure is disposed between the gate electrode layer and the source electrode, between the gate electrode layer, and the drain electrode, and between the gate electrode layer and the dielectric column. The memory arc wall structure is extended on and throughout the channel wall structure.
    Type: Application
    Filed: June 13, 2025
    Publication date: October 2, 2025
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu-Wei Jiang, Hung-Chang Sun, Sheng-Chih Lai, Kuo-Chang Chiang, TsuChing Yang
  • Publication number: 20250294771
    Abstract: In some embodiments, the present disclosure relates to a method for forming a memory device, including forming a plurality of word line stacks respectively including a plurality of word lines alternatingly stacked with a plurality of insulating layers over a semiconductor substrate, forming a data storage layer along opposing sidewalls of the word line stacks, forming a channel layer along opposing sidewalls of the data storage layer, forming an inner insulating layer between inner sidewalls of the channel layer and including a first dielectric material, performing an isolation cut process including a first etching process through the inner insulating layer and the channel layer to form an isolation opening, forming an isolation structure filling the isolation opening and including a second dielectric material, performing a second etching process through the inner insulating layer on opposing sides of the isolation structure to form source/drain openings, and forming source/drain contacts in the source/drain
    Type: Application
    Filed: May 31, 2025
    Publication date: September 18, 2025
    Inventors: Tsu Ching Yang, Feng-Cheng Yang, Sheng-Chih Lai, Yu-Wei Jiang, Kuo-Chang Chiang, Hung-Chang Sun, Chen-Jun Wu, Chung-Te Lin
  • Patent number: 12419054
    Abstract: The present disclosure relates to an integrated chip including a three-dimensional memory array. The three-dimensional memory array includes a first local line and a second local line that are elongated vertically, a first memory cell extending between the first local line and the second local line, and a second memory cell directly under the first memory cell, extending between the first local line and the second local line, and coupled in parallel with the first memory cell. The first memory cell is coupled to a first word line and the second memory cell is coupled to a second word line. The first word line and the second word line are elongated horizontally. A first global line is disposed at a first height and is elongated horizontally. A first selector extends vertically from the first local line to the first global line.
    Type: Grant
    Filed: June 4, 2024
    Date of Patent: September 16, 2025
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chen-Jun Wu, Yu-Wei Jiang, Sheng-Chih Lai
  • Publication number: 20250287603
    Abstract: A method of forming a ferroelectric random access memory (FeRAM) device includes: forming a layer stack over a substrate, where the layer stack includes alternating layers of a first dielectric material and a word line (WL) material; forming first trenches extending vertically through the layer stack; filling the first trenches, where filling the first trenches includes forming, in the first trenches, a ferroelectric material, a channel material over the ferroelectric material, and a second dielectric material over the channel material; after filling the first trenches, forming second trenches extending vertically through the layer stack, the second trenches being interleaved with the first trenches; and filling the second trenches, where filling the second trenches includes forming, in the second trenches, the ferroelectric material, the channel material over the ferroelectric material, and the second dielectric material over the channel material.
    Type: Application
    Filed: May 23, 2025
    Publication date: September 11, 2025
    Inventors: TsuChing Yang, Hung-Chang Sun, Kuo Chang Chiang, Sheng-Chih Lai, Yu-Wei Jiang
  • Patent number: 12414295
    Abstract: A semiconductor memory structure includes a plurality of gate layers and a plurality of insulating layers alternately stacked over a substrate, and at least an active column disposed over the substrate. The gate layers and the insulating layers are alternately stacked along a first direction. The active column extends along the first direction and penetrates the gate layer and the insulating layer. The active column includes a central portion, a charge-trapping layer surrounding the central portion, and a channel layer between the central portion and the charge-trapping layer. The central portion of the active column includes an isolation structure, a source structure and a drain structure. The source structure and the drain structure are disposed at two sides of the isolation structure.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: September 9, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Yu-Wei Jiang, Hung-Chang Sun, Sheng-Chih Lai, Kuo-Chang Chiang, Tsuching Yang
  • Patent number: 12382639
    Abstract: A method of forming a three-dimensional (3D) memory device includes: forming, over a substrate, a layer stack having alternating layers of a first conductive material and a first dielectric material; forming trenches extending vertically through the layer stack from an upper surface of the layer stack distal from the substrate to a lower surface of the layer stack facing the substrate; lining sidewalls and bottoms of the trenches with a memory film; forming a channel material over the memory film, the channel material including an amorphous material; filling the trenches with a second dielectric material after forming the channel material; forming memory cell isolation regions in the second dielectric material; forming source lines (SLs) and bit lines (BLs) that extend vertically in the second dielectric material on opposing sides of the memory cell isolation regions; and crystallizing first portions of the channel material after forming the SLs and BLs.
    Type: Grant
    Filed: December 1, 2023
    Date of Patent: August 5, 2025
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: TsuChing Yang, Hung-Chang Sun, Kuo Chang Chiang, Sheng-Chih Lai, Yu-Wei Jiang
  • Patent number: 12376310
    Abstract: A 3D memory array including multiple memory cells and a method of manufacturing the same are provided. Each memory cell includes a first isolation structure, source and drain electrodes, a gate layer, a channel layer and a memory layer. The source and drain electrodes are disposed on opposite sides of the first isolation structure, and the source and drain electrodes comprise kink portions. The gate layer is disposed beside the source and drain electrodes and the first isolation structure. The channel layer is disposed between the gate layer and the source electrode, the first isolation structure and the drain electrode, and the channel layer extends between the source and drain electrodes and covers the kink portions of the source and drain electrodes. The memory layer is disposed between the gate layer and the channel layer and extends beside the gate layer and extends beyond the channel layer.
    Type: Grant
    Filed: June 5, 2022
    Date of Patent: July 29, 2025
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu-Wei Jiang, Tsuching Yang, Sheng-Chih Lai, Feng-Cheng Yang, Chung-Te Lin