Patents by Inventor Chia-Wei Liu

Chia-Wei Liu 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: 12191247
    Abstract: Devices and methods of manufacture for a graduated, “step-like,” capacitance structure having two or more capacitors. A semiconductor structure comprising a capacitor structure, the capacitor structure comprising a first capacitor and a second capacitor. The first capacitor comprising a first bottom electrode and a top electrode having a bottom surface that is a first distance from a top surface of the first bottom electrode. The second capacitor comprising a second bottom electrode and the top electrode, in which the bottom surface is a second distance from a top surface of the second bottom electrode, and in which the first distance is different from the second distance.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: January 7, 2025
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Jheng-Hong Jiang, Shing-Huang Wu, Chia-Wei Liu
  • Patent number: 12178136
    Abstract: A method for fabricating semiconductor device includes the steps of forming a magnetic tunneling junction (MTJ) stack on a substrate, performing an etching process to remove the MTJ stack for forming a MTJ, performing a deposition process to form a polymer on a sidewall of the MTJ, and removing the polymer to form a rough surface on the sidewall of the MTJ. Preferably, the MTJ could include a pinned layer on the substrate, a barrier layer on the pinned layer, and a free layer on the barrier layer, in which the rough surface could appear on sidewall of the pinned layer, sidewall of the barrier layer, and/or sidewall of the free layer.
    Type: Grant
    Filed: August 28, 2023
    Date of Patent: December 24, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Chia-Wei Liu, Jia-Feng Fang, Chun-Hsien Lin
  • Patent number: 12165868
    Abstract: In a semiconductor manufacturing method, a mask is disposed on a semiconductor layer or semiconductor substrate. The semiconductor layer or semiconductor substrate is etched in an area delineated by the mask to form a cavity. With the mask disposed on the semiconductor layer or semiconductor substrate, the cavity is lined to form a containment structure. With the mask disposed on the semiconductor layer or semiconductor substrate, the containment structure is filled with a base semiconductor material. After filling the containment structure with the base semiconductor material, the mask is removed. At least one semiconductor device is fabricated in and/or on the base semiconductor material deposited in the containment structure.
    Type: Grant
    Filed: May 31, 2023
    Date of Patent: December 10, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Hung-Te Lin, Chia-Wei Liu, Hung-Chih Yu
  • Publication number: 20240395739
    Abstract: Devices and methods of manufacture for a graduated, “step-like,” semiconductor structure having two or more resonator trenches. A semiconductor structure may comprise a first resonator and a second resonator. The first resonator comprises a first metallic resonance layer and a capping plate having a bottom surface that is a first distance from a distal end of the first metallic resonance layer. The second resonator comprises a second metallic resonance layer and the capping plate, in which the bottom surface is a second distance from a from a distal end of the second metallic resonance layer, and in which first distance is different from the second distance.
    Type: Application
    Filed: July 29, 2024
    Publication date: November 28, 2024
    Inventors: Jheng-Hong JIANG, Shing-Huang WU, Chia-Wei LIU
  • Publication number: 20240387262
    Abstract: Interconnect structures and methods of forming interconnect structures are disclosed that provide decreased risk of unwanted via formation through interconnect-level dielectric layers. A method of forming an interconnect structure includes forming first and second dielectric layers over a first metal interconnect feature, where the dielectric layers include localized elevated regions caused by a hillock in the first metal interconnect feature. A planarization process removes the localized elevated region of the second dielectric layer, and third and fourth dielectric layers are formed over the planar upper surface of the second dielectric layer. An etching process through the third and fourth dielectric layers, and into the second dielectric layer, provides a trench having a planar bottom surface.
    Type: Application
    Filed: July 28, 2024
    Publication date: November 21, 2024
    Inventors: Jheng-Hong JIANG, Shing-Huang WU, Chia-Wei LIU
  • Publication number: 20240379379
    Abstract: A cavity may be formed in a dielectric material layer overlying a substrate. A layer stack including a metallic barrier liner, a metallic fill material layer, and a metallic capping material may be deposited in the cavity and over the dielectric material layer. Portions of the layer stack located above a horizontal plane including a top surface of the dielectric material layer may be removed. A contiguous set of remaining material portions of the layer stack includes a metal interconnect structure that is free of a pitted surface.
    Type: Application
    Filed: July 22, 2024
    Publication date: November 14, 2024
    Inventors: Jheng-Hong Jiang, Chia-Wei Liu, Shing-Huang Wu
  • Patent number: 12131915
    Abstract: A cavity may be formed in a dielectric material layer overlying a substrate. A layer stack including a metallic barrier liner, a metallic fill material layer, and a metallic capping material may be deposited in the cavity and over the dielectric material layer. Portions of the layer stack located above a horizontal plane including a top surface of the dielectric material layer may be removed. A contiguous set of remaining material portions of the layer stack includes a metal interconnect structure that is free of a pitted surface.
    Type: Grant
    Filed: May 30, 2023
    Date of Patent: October 29, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Jheng-Hong Jiang, Chia-Wei Liu, Shing-Huang Wu
  • Publication number: 20240339366
    Abstract: A method of forming a semiconductor structure includes forming a first conductive contact in a first dielectric layer coupled to a first device and forming a second conductive contact in the first dielectric layer coupled to a second device. A first trench is formed in the first dielectric layer having a first depth and exposing at least a portion of the first conductive contact. A second trench is formed in the first dielectric layer having a second depth different than the first depth and exposing at least a portion of the second conductive contact. A first conductive layer is formed in the first trench and the second trench. A second dielectric layer is formed in the first trench and the second trench over the first conductive layer.
    Type: Application
    Filed: June 19, 2024
    Publication date: October 10, 2024
    Inventors: Jheng-Hong JIANG, Shing-Huang WU, Chia-Wei LIU
  • Publication number: 20240322651
    Abstract: A cooling motor includes a motor device having a motor casing, a motor assembly arranged in the motor casing, and a centrifugal fan, and a cooling device having first and second cooling components. The first cooling component includes a first cold plate jacket and a first heat circulation pipeline. The first cold plate jacket is sleeved on the motor assembly and thermally connected to a stator, and the first cold plate jacket includes first cold plates. The first thermal circulation pipeline filled with a first working fluid passes through the first cold plate jacket. The second cooling component includes a second cold plate jacket and a second heat circulation pipeline. The second cold plate jacket, sleeving the first cold plate jacket in an insulation manner, includes second cold plates and cooling fins. The second thermal circulation pipeline filled with a second working fluid passes through the second cold plate jacket.
    Type: Application
    Filed: June 9, 2023
    Publication date: September 26, 2024
    Inventors: Kwun-Yao HO, Szu-Hsien LIU, Yao-Ching HUANG, Chia-Wei LIU
  • Publication number: 20240237357
    Abstract: A memory device includes: a first conductor extending in parallel with a first axis; a first selector material comprising a first portion that extends along a first sidewall of the first conductor; a second selector material comprising a first portion that extends along the first sidewall of the first conductor; a first variable resistive material comprising a portion that extends along the first sidewall of the first conductor; and a second conductor extending in parallel with a second axis substantially perpendicular to the first axis, wherein the first portion of the first selector material, the first potion of the second selector material, and the portion of the first variable resistive material are arranged along a first direction in parallel with a third axis substantially perpendicular to the first axis and second axis.
    Type: Application
    Filed: March 25, 2024
    Publication date: July 11, 2024
    Inventors: Jheng-Hong JIANG, Cheung CHENG, Chia-Wei LIU
  • Patent number: 12027431
    Abstract: A method of forming a semiconductor structure includes forming a first conductive contact in a first dielectric layer coupled to a first device and forming a second conductive contact in the first dielectric layer coupled to a second device. A first trench is formed in the first dielectric layer having a first depth and exposing at least a portion of the first conductive contact. A second trench is formed in the first dielectric layer having a second depth different than the first depth and exposing at least a portion of the second conductive contact. A first conductive layer is formed in the first trench and the second trench. A second dielectric layer is formed in the first trench and the second trench over the first conductive layer.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: July 2, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
    Inventors: Jheng-Hong Jiang, Shing-Huang Wu, Chia-Wei Liu
  • Publication number: 20240170423
    Abstract: A bonded semiconductor structure includes a first device wafer and a second device wafer. The first device includes a first dielectric layer, a first bonding pad disposed in the first dielectric layer, and a first bonding layer on the first dielectric layer. The second device wafer includes a second dielectric layer, a second bonding layer on the second dielectric layer, and a second bonding pad disposed in the second dielectric layer and extending through the second bonding layer and at least a portion of the first bonding layer. A conductive bonding interface between the first bonding pad and the second bonding pad and a dielectric bonding interface between the first bonding layer and the second bonding layer include a step-height in a direction perpendicular to the dielectric bonding interface and the conductive bonding interface.
    Type: Application
    Filed: February 2, 2024
    Publication date: May 23, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Chung-Sung Chiang, Chia-Wei Liu, Yu-Ruei Chen, Yu-Hsiang Lin
  • Patent number: 11950433
    Abstract: A memory device includes: a first conductor extending in parallel with a first axis; a first selector material comprising a first portion that extends along a first sidewall of the first conductor; a second selector material comprising a first portion that extends along the first sidewall of the first conductor; a first variable resistive material comprising a portion that extends along the first sidewall of the first conductor; and a second conductor extending in parallel with a second axis substantially perpendicular to the first axis, wherein the first portion of the first selector material, the first portion of the second selector material, and the portion of the first variable resistive material are arranged along a first direction in parallel with a third axis substantially perpendicular to the first axis and second axis.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: April 2, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Jheng-Hong Jiang, Cheung Cheng, Chia-Wei Liu
  • Patent number: 11935854
    Abstract: A method for forming a bonded semiconductor structure is disclosed. A first device wafer having a first bonding layer and a first bonding pad exposed from the first bonding layer and a second device wafer having a second bonding layer and a second bonding pad exposed from the second bonding layer are provided. Following, a portion of the first bonding pad is removed until a sidewall of the first bonding layer is exposed, and a portion of the second bonding layer is removed to expose a sidewall of the second bonding pad. The first device wafer and the second device wafer are then bonded to form a dielectric bonding interface between the first bonding layer and the second bonding layer and a conductive bonding interface between the first bonding pad and the second bonding pad. The conductive bonding interface and the dielectric bonding interface comprise a step-height.
    Type: Grant
    Filed: March 8, 2023
    Date of Patent: March 19, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Chung-Sung Chiang, Chia-Wei Liu, Yu-Ruei Chen, Yu-Hsiang Lin
  • Publication number: 20240086137
    Abstract: A near eye display system is provided. The near eye display system includes: a frame; a first near eye display mounted on the frame and configured to form a first image directly projected on a first retina of a first eye of a user; a second near eye display mounted on the frame and configured to form a second image directly projected on a second retina of a second eye of the user; and a processing unit located at the frame and configured to generate a display control signal to drive the first near eye display and the second near eye display.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 14, 2024
    Inventors: Jheng-Hong Jiang, Shing-Huang Wu, Chia-Wei Liu
  • Publication number: 20240081105
    Abstract: A display device and method of manufacturing thereof is provided. The display device includes: a substrate; a plurality of control transistors disposed in the substrate; a multi-layer interconnect (MLI) structure on the substrate; and a luminous device layer disposed on the MLI structure. The luminous device layer includes a plurality of sub-pixels corresponding to the plurality of control transistors, respectively. The MLI structure includes a plurality of routing features and at least one light blocking feature, and the plurality of routing features electrically connect each of the plurality of control transistors to the corresponding sub-pixel, and the at least one light blocking feature is operable to block stray light generated by the luminous device layer.
    Type: Application
    Filed: February 17, 2023
    Publication date: March 7, 2024
    Inventors: Jheng-Hong Jiang, Shing-Huang Wu, Chia-Wei Liu
  • Patent number: 11914915
    Abstract: A near eye display system is provided. The near eye display system includes: a frame comprising a main body and two temple arms; at least one near eye sensor mounted on the main body and configured to measure user eye parameters; a first near eye display mounted on the main body and configured to form a first image projected on a first retina of a first eye; a second near eye display mounted on the main body and configured to form a second image projected on a second retina of a second eye; and a processing unit located at least at one of the two temple arms and configured to generate a display control signal based at least on the user eye parameters, wherein the display control signal drives the first near eye display and the second near eye display.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: February 27, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Jheng-Hong Jiang, Shing-Huang Wu, Chia-Wei Liu
  • Publication number: 20240063338
    Abstract: The present disclosure provides a semiconductor device. The semiconductor device includes: a substrate, having a first side and a second side opposite to the first side, wherein the substrate includes a plurality of trenches at the second side; a device layer, disposed on the first side of the substrate; an interconnect layer, disposed on the device layer; a luminous layer, disposed on the interconnect layer; and a capping layer, conformally disposed on the second side of the bended substrate. The semiconductor device is convexly curved.
    Type: Application
    Filed: August 17, 2022
    Publication date: February 22, 2024
    Inventors: JHENG-HONG JIANG, SHING-HUANG WU, CHIA-WEI LIU
  • Publication number: 20240043262
    Abstract: A semiconductor structure is provided. The semiconductor structure includes a substrate; a fixed structure, disposed on the substrate; a floating structure, connected to the fixed structure and separated from the substrate, wherein a first surface of the floating structure facing the substrate includes a plurality of recesses; and a capping layer, disposed on the first surface of the floating structure, wherein the capping layer exposes a portion of the floating structure.
    Type: Application
    Filed: August 8, 2022
    Publication date: February 8, 2024
    Inventors: JHENG-HONG JIANG, SHING-HUANG WU, CHIA-WEI LIU
  • Patent number: 11892639
    Abstract: A near-eye display includes a semiconductor substrate that has a first curved surface and a second curved surface opposite to each other, and a plurality of luminous pixels formed over the first curved surface of the semiconductor substrate. The luminous pixels cooperatively form a display area of the near-eye display. The second curved surface of the semiconductor substrate is formed with a plurality of indentations at a portion that corresponds in position to the display area.
    Type: Grant
    Filed: August 4, 2022
    Date of Patent: February 6, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Jheng-Hong Jiang, Shing-Huang Wu, Chia-Wei Liu