Patents by Inventor Hans Liao

Hans Liao 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: 11974428
    Abstract: Provided are a memory device and a method of manufacturing the same. The memory device includes: a stack structure; a first source/drain region and a second source/drain region located in a substrate beside the stack structure; a first self-aligned contact connected to the first source/drain region; a second self-aligned contact connected to the second source/drain region; a first liner structure located between the first self-aligned contact and a first sidewall of the stack structure; and a second liner structure located between the second self-aligned contact and a second sidewall of the stack structure. The first liner structure and the second liner structure are not connected and do not cover the stack structure.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: April 30, 2024
    Assignee: Winbond Electronics Corp.
    Inventors: Che-Fu Chuang, Yao-Ting Tsai, Hsiu-Han Liao
  • Publication number: 20240126174
    Abstract: A method includes the following steps. A photoresist is exposed to a first light-exposure through a first mask, wherein the first mask includes a first stitching region, and a first portion of the photoresist corresponding to a first opaque portion of the first stitching region is unexposed. The photoresist is exposed to a second light-exposure through a second mask, wherein the second mask includes a second stitching region, and a second portion of the photoresist corresponding to a second opaque portion of the second stitching region is unexposed and is overlapping with the first portion of the photoresist.
    Type: Application
    Filed: December 28, 2023
    Publication date: April 18, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Che Tu, Po-Han Wang, Sih-Hao Liao, Yu-Hsiang Hu, Hung-Jui Kuo
  • Publication number: 20240126000
    Abstract: The technology of this application relates to a frontlight module and a display apparatus. The frontlight module is disposed on a side of a display panel. The frontlight module includes a light source, a light guide plate, and light guide dots. The light guide plate includes a first surface and a second surface that are disposed opposite to each other. The display panel is disposed facing the second surface. The light source is disposed on a side surface of the light guide plate. A plurality of light guide dots are disposed on the first surface or the second surface of the light guide plate. Each light guide dot has a light guide surface disposed at an angle with respect to a surface of the light guide plate. Light is fully reflected and/or refracted on the light guide surfaces to propagate to the display panel.
    Type: Application
    Filed: December 15, 2023
    Publication date: April 18, 2024
    Inventors: Jifeng Tan, Feng Liao, Qiang Wang, Xiaoshan Chen, Han Yin, Liang Yuan, Ping Pan
  • Patent number: 11961770
    Abstract: Some embodiments of the present disclosure relate to a processing tool. The tool includes a housing enclosing a processing chamber, and an input/output port configured to pass a wafer through the housing into and out of the processing chamber. A back-side macro-inspection system is arranged within the processing chamber and is configured to image a back side of the wafer. A front-side macro-inspection system is arranged within the processing chamber and is configured to image a front side of the wafer according to a first image resolution. A front-side micro-inspection system is arranged within the processing chamber and is configured to image the front side of the wafer according to a second image resolution which is higher than the first image resolution.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: April 16, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chia-Han Lin, Chien-Fa Lee, Hsu-Shui Liu, Jiun-Rong Pai, Sheng-Hsiang Chuang, Surendra Kumar Soni, Shou-Wen Kuo, Wu-An Weng, Gary Tsai, Chien-Ko Liao, Ya Hsun Hsueh, Becky Liao, Ethan Yu, Ming-Chi Tsai, Kuo-Yi Liu
  • Patent number: 11953400
    Abstract: A pressure sensing unit is provided. The pressure sensing unit includes a membrane and a pressure sensing pad group. The membrane has a first surface and a second surface. The pressure sensing pad group includes a first pressure sensing pad, a second pressure sensing pad, and a ground pad that are spaced apart from one another. The ground pad and one among the first pressure sensing pad and the second pressure sensing pad are located at the first surface of the membrane, another one among the first pressure sensing pad and the second pressure sensing pad is located at the second surface of the membrane, and an orthographic projection of the ground pad projected onto a reference plane is located between orthographic projections of the first pressure sensing pad and the second pressure sensing pad that are projected onto the reference plane. Therefore, a signal-to-noise ratio can be increased and an erroneous detection can be prevented.
    Type: Grant
    Filed: May 2, 2023
    Date of Patent: April 9, 2024
    Assignee: PIXART IMAGING INC.
    Inventors: Che-Chia Hsu, Yu-Han Chen, Chi-Chieh Liao
  • Publication number: 20240113089
    Abstract: A semiconductor package and a manufacturing method thereof are provided. The semiconductor package includes a die, an underfill layer, a patterned dielectric layer and a plurality of conductive terminals. The die has a front surface and a back surface opposite to the front surface. The underfill layer encapsulates the die, wherein a surface of the underfill layer and the back surface of the die are substantially coplanar to one another. The patterned dielectric layer is disposed on the back surface of the die. The conductive terminals are disposed on and in contact with a surface of the patterned dielectric layer and partially embedded in the patterned dielectric layer to be in contact with the die, wherein a portion of the surface of the patterned dielectric layer that directly under each of the conductive terminals is substantially parallel with the back surface of the die.
    Type: Application
    Filed: January 10, 2023
    Publication date: April 4, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tian Hu, Po-Han Wang, Sih-Hao Liao, Yu-Hsiang Hu, Hung-Jui Kuo
  • Publication number: 20240113036
    Abstract: An electromagnetic interference (EMI) shielding package structure, a manufacturing method thereof, and an electronic assembly are provided. The EMI shielding package structure includes a carrier, at least one chip mounted on a first board surface of the carrier, an encapsulant formed on the carrier and packaging the at least one chip, an EMI shielding layer formed on an outer surface of the encapsulant, and an insulating layer. The insulating layer includes a spraying portion and a capillary permeating portion. The spraying portion is formed at least part of an outer surface of the EMI shielding layer. The capillary permeating portion is formed by extending from a bottom end of the spraying portion toward a second board surface of the carrier through capillarity, and the capillary permeating portion covers a bottom edge of the EMI shielding layer.
    Type: Application
    Filed: November 17, 2022
    Publication date: April 4, 2024
    Inventors: CHIH-HAO LIAO, SHU-HAN WU, HSIN-YEH HUANG
  • Patent number: 11946802
    Abstract: An ambient light sensor includes a substrate, a metasurface disposed on the substrate, and an aperture layer disposed on the substrate. The metasurface includes a plurality of nanostructures and a filling layer laterally surrounding the plurality of nanostructures. The aperture layer laterally separates the metasurface into a plurality of sub-meta groups.
    Type: Grant
    Filed: March 29, 2023
    Date of Patent: April 2, 2024
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Shih-Liang Ku, Zi-Han Liao, Chun-Wei Huang
  • Fan
    Patent number: 11946483
    Abstract: A fan is provided herein, including a housing, a hub, and a plurality of blades. The housing includes a top case and a bottom case. The hub is rotatably disposed between the top case and the bottom case in an axial direction. The blades extend from the hub in a radial direction, located between the top case and the bottom case. Each of the blades has a proximal end and a distal end. The proximal end is connected to the hub. The distal end is opposite from the proximal end, located at the other side of the blade, having at least one recessed portion. Each of the recessed portions form a passage for air.
    Type: Grant
    Filed: May 17, 2023
    Date of Patent: April 2, 2024
    Assignee: ACER INCORPORATED
    Inventors: Jau-Han Ke, Tsung-Ting Chen, Chun-Chieh Wang, Yu-Ming Lin, Cheng-Wen Hsieh, Wen-Neng Liao
  • Patent number: 11942417
    Abstract: A device includes a sensor die having a sensing region at a top surface of the sensor die, an encapsulant at least laterally encapsulating the sensor die, a conductive via extending through the encapsulant, and a front-side redistribution structure on the encapsulant and on the top surface of the sensor die, wherein the front-side redistribution structure is connected to the conductive via and the sensor die, wherein an opening in the front-side redistribution structure exposes the sensing region of the sensor die, and wherein the front-side redistribution structure includes a first dielectric layer extending over the encapsulant and the top surface of the sensor die, a metallization pattern on the first dielectric layer, and a second dielectric layer extending over the metallization pattern and the first dielectric layer.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: March 26, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Yung-Chi Chu, Sih-Hao Liao, Po-Han Wang, Yu-Hsiang Hu, Hung-Jui Kuo
  • Publication number: 20240096757
    Abstract: An integrated circuit (IC) die includes first through third adjacent rows of through-silicon vias (TSVs), and first and second adjacent rows of memory macros. TSVs of the first row of TSVs extend through and are electrically isolated from memory macros of the first row of memory macros. TSVs of the third row of TSVs extend through and are electrically isolated from memory macros of the second row of memory macros.
    Type: Application
    Filed: November 30, 2023
    Publication date: March 21, 2024
    Inventors: Hidehiro FUJIWARA, Tze-Chiang HUANG, Hong-Chen CHENG, Yen-Huei CHEN, Hung-Jen LIAO, Jonathan Tsung-Yung CHANG, Yun-Han LEE, Lee-Chung LU
  • Publication number: 20240090215
    Abstract: The method of forming the semiconductor structure includes the following steps. First trenches and second trenches are respectively formed in a substrate of the logic region and the substrate of the array region. A dielectric liner is formed in the first trenches and second trenches. First coating blocks and second coating blocks are respectively formed in the first trenches and second trenches. A cap layer is formed on the first coating blocks and the second coating blocks. Oxide structures are formed on the cap layer. Part of the oxide structures and part of the cap layer is removed. A semiconductor layer is formed in the array region and disposed on the substrate and between the oxide structures.
    Type: Application
    Filed: September 9, 2022
    Publication date: March 14, 2024
    Inventors: Yuan-Huang WEI, Chien-Hsien WU, Hsiu-Han LIAO
  • Publication number: 20240088027
    Abstract: An integrated circuit includes an inductor that includes a first set of conductors in at least a first metal layer, and a guard ring enclosing the inductor. The guard ring includes a first conductor extending in a first direction, a second conductor extending in a second direction, and a first set of staggered conductors coupled to a first end of the first conductor and a first end of the second conductor. The first set of staggered conductors includes a second set of conductors in a second metal layer, a third set of conductors in a third metal layer and a first set of vias coupling the second set of conductors with the third set of conductors. The third metal layer is above the second metal layer. All metal lines in the second metal layer that are part of the guard ring extend in the first direction.
    Type: Application
    Filed: November 14, 2023
    Publication date: March 14, 2024
    Inventors: Chiao-Han LEE, Chi-Hsien LIN, Ho-Hsiang CHEN, Hsien-Yuan LIAO, Tzu-Jin YEH, Ying-Ta LU
  • Publication number: 20240077094
    Abstract: A bead product is provided. The bead product comprises a plurality of beads, each of the plurality of beads having a first surface facing a first direction opposing a second surface facing a second direction; a plurality of holding members, one of the plurality of holding members disposed within or attached to the plurality of beads; a framework formed from the holding member and the plurality of beads, the framework having a first configuration and a second configuration; and a locking mechanism, the locking mechanism locks positions of the holding member, the plurality of beads or both on the framework in the first configuration and the locking mechanism unlocks only a predetermined bead of the plurality beads for movement on the framework in the second configuration. Systems and methods are disclosed.
    Type: Application
    Filed: July 22, 2023
    Publication date: March 7, 2024
    Inventor: Karen Woojung Han Liao
  • Publication number: 20240068754
    Abstract: A heat dissipation module used for an electronic device is provided. The electronic device has a heat source. The heat dissipation module includes an evaporator, a plurality of heat conducting components, a pipe connected to the evaporator to form a loop, and a working fluid filled in the loop. An exterior of the evaporator has a heat conducting zone thermally contacted with the heat source to absorb heat generated from the heat source. The heat conducting components are disposed in the evaporator, located at an interior of the evaporator corresponding to the heat conducting zone. The heat conducting components are in pillar shape or rib shape respectively. The working fluid in liquid passes through the evaporator, absorbs heat, and is transformed into vapor to flow out of the evaporator. Each of the heat conducting components in rib shape is oriented in a flow direction of the working fluid.
    Type: Application
    Filed: November 9, 2023
    Publication date: February 29, 2024
    Applicant: Acer Incorporated
    Inventors: Yung-Chih Wang, Jau-Han Ke, Wen-Neng Liao, Cheng-Wen Hsieh
  • Publication number: 20240055351
    Abstract: An interconnect structure including a dielectric structure, plugs, and conductive lines is provided. The dielectric structure is disposed on a substrate. The plugs are disposed in the dielectric structure. The conductive lines are disposed in the dielectric structure and are electrically connected to the plugs. The sidewall of at least one of the conductive lines is in direct contact with the dielectric structure.
    Type: Application
    Filed: September 13, 2022
    Publication date: February 15, 2024
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Shou-Zen Chang, Mei Ling Ho, Tien-Lu Lin, Ming-Han Liao, Chia-Ming Wu, Jui-Neng Tu
  • Publication number: 20240053195
    Abstract: An ambient light sensor includes a substrate, a metasurface disposed on the substrate, and an aperture layer disposed on the substrate. The metasurface includes a plurality of nanostructures and a filling layer laterally surrounding the plurality of nanostructures. The aperture layer laterally separates the metasurface into a plurality of sub-meta groups.
    Type: Application
    Filed: March 29, 2023
    Publication date: February 15, 2024
    Inventors: Shih-Liang KU, Zi-Han LIAO, Chun-Wei HUANG
  • Publication number: 20240047485
    Abstract: A CMOS image sensor with 3D monolithic OSFET and FEMIM capacitor, including a substrate with CMOS devices formed thereon, a BEOL interconnect layer on the substrate and with BEOL interconnects formed therein, a pixel circuit layer on the BEOL interconnect layer. The OSFETs and FEMIM capacitors are formed in the pixel circuit layer, and a photoelectric conversion layer on the pixel circuit layer and with photodiodes are formed therein, wherein the CMOS devices, the OSFETs, FEMIM capacitors and photodiodes are electrically connected with each other through the BEOL interconnects.
    Type: Application
    Filed: April 12, 2023
    Publication date: February 8, 2024
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Shou-Zen Chang, Ming-Han Liao, Min-Cheng Chen, Shang-Shiun Chuang
  • Patent number: 11877447
    Abstract: Disposed are a semiconductor structure, a manufacturing method thereof and a flash memory. The semiconductor structure includes a substrate, first isolation structures, a gate structure and an oxide layer. The first isolation structures define a first active area in a peripheral region of the substrate. The oxide layer is disposed on the substrate in the first active area and covered by the first isolation structures. The oxide layer and the first isolation structures define an opening exposing the substrate. The gate structure is disposed on the substrate in the first active area and includes a gate dielectric layer disposed in the opening and a gate disposed on the gate dielectric layer. The oxide layer is located around the gate dielectric layer. The width of the bottom surface of the gate is less than that of the top surface of the first active area.
    Type: Grant
    Filed: April 10, 2023
    Date of Patent: January 16, 2024
    Assignee: Winbond Electronics Corp.
    Inventors: Yao-Ting Tsai, Hsiu-Han Liao, Che-Fu Chuang
  • Patent number: 11839076
    Abstract: A method of forming a semiconductor structure includes forming first to third sacrificial layers on a substrate including a memory cell area and a peripheral area with a word line area. The second and third sacrificial layers in the word line area are removed to expose the top surface of the first sacrificial layer. The first sacrificial layer in the word line area and the third sacrificial layer in the memory cell area are removed. A word line dielectric layer and a first conductive layer are formed on the substrate in the word line area. The first and second sacrificial layers in the memory cell area are removed. A tunneling dielectric layer is formed on the substrate in the memory cell area. The thickness of the tunneling dielectric layer is smaller than the thickness of the word line dielectric layer.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: December 5, 2023
    Assignee: WINBOND ELECTRONICS CORP.
    Inventors: Che-Fu Chuang, Hsiu-Han Liao