Patents by Inventor Hung Chang

Hung 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: 20240153887
    Abstract: A semiconductor package structure includes a base having a first surface and a second surface opposite thereto, wherein the base comprises a wiring structure, a first electronic component disposed over the first surface of the base and electrically coupled to the wiring structure, a second electronic component disposed over the first surface of the base and electrically coupled to the wiring structure, wherein the first electronic component and the second electronic component are separated by a molding material, a first hole and a second hole formed on the second surface of the base, and a frame disposed over the first surface of the base, wherein the frame surrounds the first electronic component and the second electronic component.
    Type: Application
    Filed: January 4, 2024
    Publication date: May 9, 2024
    Inventors: Tzu-Hung LIN, Chia-Cheng CHANG, I-Hsuan PENG, Nai-Wei LIU
  • Publication number: 20240155845
    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: January 16, 2024
    Publication date: May 9, 2024
    Inventors: TsuChing Yang, Hung-Chang Sun, Kuo Chang Chiang, Sheng-Chih Lai, Yu-Wei Jiang
  • Publication number: 20240154027
    Abstract: A high voltage semiconductor device includes a semiconductor substrate, a first drift region, a gate structure, a first sub gate structure, a first spacer structure, a second spacer structure, and a first insulation structure. The first drift region is disposed in the semiconductor substrate. The gate structure is disposed on the semiconductor substrate and separated from the first sub gate structure. The first sub gate structure and the first insulation structure are disposed on the first drift region. The first spacer structure is disposed on a sidewall of the gate structure. The second spacer structure is disposed on a sidewall of the first sub gate structure. At least a part of the first insulation structure is located between the first spacer structure and the second spacer structure. The first insulation structure is directly connected with the first drift region located between the first spacer structure and the second spacer structure.
    Type: Application
    Filed: January 16, 2024
    Publication date: May 9, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Hsin-Han Wu, Kai-Kuen Chang, Ping-Hung Chiang
  • Publication number: 20240153958
    Abstract: A semiconductor device structure, along with methods of forming such, are described. The structure includes a plurality of semiconductor layers having a first group of semiconductor layers, a second group of semiconductor layers disposed over and aligned with the first group of semiconductor layers, and a third group of semiconductor layers disposed over and aligned with the second group of semiconductor layers. The structure further includes a first source/drain epitaxial feature in contact with a first number of semiconductor layers of the first group of semiconductor layers and a second source/drain epitaxial feature in contact with a second number of semiconductor layers of the third group of semiconductor layers. The first number of semiconductor layers of the first group of semiconductor layers is different from the second number of semiconductor layers of the third group of semiconductor layers.
    Type: Application
    Filed: January 7, 2024
    Publication date: May 9, 2024
    Inventors: Jung-Hung CHANG, Zhi-Chang LIN, Shih-Cheng CHEN, Chien Ning YAO, Kuo-Cheng CHIANG, Chih-Hao WANG
  • Publication number: 20240153552
    Abstract: A memory array for computing-in-memory (CIM) is disclosed. The memory array for CIM includes a bit cell array, at least one word line and at least one bit line. The bit cell array has a plurality of bit cells, wherein each bit cell is operated at an operating voltage. The at least one word line is electrically connected to the bit cell array, wherein the at least one word line is associated with a first parameter. The at least one bit line is electrically connected to the bit cell array, wherein the bit cells extend along a specific direction, each the at least one bit line has an electrical parameter associated therewith, each the bit cell is associated with a second parameter, a first quantity of the plurality of bit cells of the bit cell array extends along the specific direction, and the memory array determines how an expansion associated with at least one of the first parameter and the second parameter is according to the specific direction.
    Type: Application
    Filed: February 28, 2023
    Publication date: May 9, 2024
    Applicant: NATIONAL YANG MING CHIAO TUNG UNIVERSITY
    Inventors: Tian-Sheuan Chang, Wei-Zen Chen, Shyh-Jye Jou, Shu-Hung Kuo, Shih-Hang Kao, Li-Kai Chen
  • Patent number: 11978570
    Abstract: An antioxidant conductive thermal paste and a method of manufacturing the same are provided. The antioxidant conductive thermal paste includes a reactive monomer, a thermosetting resin, a polymerization inhibitor, an electrically conductive filler, and a thixotropic agent. The method consists of the steps of mixing a reactive monomer, a thermosetting resin, and a polymerization inhibitor evenly to get a first polymer mixture, and adding an electrically conductive filler and a thixotropic agent into the first polymer mixture in turn and blending the mixture evenly to obtain an antioxidant conductive thermal paste with good adherence, high electrical conductivity, high thermal conductivity, improved thermal-mechanical fatigue resistance or mechanical fatigue resistance.
    Type: Grant
    Filed: August 21, 2023
    Date of Patent: May 7, 2024
    Assignee: Geckos Technology Corp.
    Inventors: Wei-Chen Chang, Chen-Yen Fan, Ping-Hung Chen, Tsung-Huan Sheng
  • Patent number: 11978511
    Abstract: A phase-change memory (PCM) cell is provided to include a first electrode, a second electrode, and a phase-change feature disposed between the first electrode and the second electrode. The phase-change feature is configured to change its data state based on a write operation performed on the PCM cell. The write operation includes a reset stage and a set stage. In the reset stage, a plurality of reset current pulses are applied to the PCM cell, and the reset current pulses have increasing current amplitudes. In the set stage, a plurality of set current pulses are applied to the PCM cell, and the set current pulses exhibit an increasing trend in current amplitude. The current amplitudes of the set current pulses are smaller than those of the reset current pulses.
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: May 7, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yung-Huei Lee, Chun-Wei Chang, Jian-Hong Lin, Wen-Hsien Kuo, Pei-Chun Liao, Chih-Hung Nien
  • Patent number: 11978674
    Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a first source/drain epitaxial feature formed over a substrate, a second source/drain epitaxial feature formed over the substrate, two or more semiconductor layers disposed between the first source/drain epitaxial feature and the second source/drain epitaxial feature, a gate electrode layer surrounding a portion of one of the two or more semiconductor layers, a first dielectric region disposed in the substrate and in contact with a first side of the first source/drain epitaxial feature, and a second dielectric region disposed in the substrate and in contact with a first side of the second source/drain epitaxial feature, the second dielectric region being separated from the first dielectric region by a substrate.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: May 7, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: I-Ming Chang, Jung-Hung Chang, Chung-Liang Cheng, Hsiang-Pi Chang, Yao-Sheng Huang, Huang-Lin Chao
  • Publication number: 20240142664
    Abstract: Two types of blue light blocking contact lenses are provided and are formed by curing different compositions. The first composition includes a blue light blocking component formed by mixing or reacting a first hydrophilic monomer and a yellow dye, a first colored dye component formed by mixing or reacting a second hydrophilic monomer and a first colored dye, at least one third hydrophilic monomer, a crosslinker, and an initiator. The first colored dye includes a green dye, a cyan dye, a blue dye, an orange dye, a red dye, a black dye, or combinations thereof. The second composition includes a blue light blocking component, at least one hydrophilic monomer, a crosslinker, and an initiator. The blue light blocking component is formed by mixing or reacting glycerol monomethacrylate and a yellow dye. Further, methods for preparing the above contact lenses are provided.
    Type: Application
    Filed: February 12, 2023
    Publication date: May 2, 2024
    Inventors: Han-Yi CHANG, Chun-Han CHEN, Tsung-Kao HSU, Wei-che WANG, Yu-Hung LIN, Wan-Ying GAO, Li-Hao LIU
  • Publication number: 20240142270
    Abstract: A dynamic calibration method for heterogeneous sensors includes: sensing dynamic objects by a first sensor to generate first sensing data; sensing the dynamic objects by a second sensor to generate second sensing data; performing feature matching between the first sensing data and the second sensing data to determine first valid data and second valid data, and identifying a tracked object from the dynamic objects based on the first valid data and the second valid data; performing feature comparison between the first valid data and the second valid data corresponding to the tracked object to calculate data errors between the first sensor and the second sensor; and calculating a calibration parameter based on the first valid data and the second valid data when the number of the data errors exceeds an error threshold, and adjusting the first sensing data and the second sensing data based on the calibration parameter.
    Type: Application
    Filed: January 12, 2023
    Publication date: May 2, 2024
    Applicant: Industrial Technology Research Institute
    Inventors: Po-Wei Chen, Chi-Hung Wang, Che-Jui Chang
  • Publication number: 20240147734
    Abstract: Various embodiments of the present disclosure are directed towards an integrated chip including a memory cell overlying a substrate and comprising a top electrode. A sidewall spacer structure is disposed along sidewalls of the memory cell. The sidewall spacer structure comprises a first spacer layer on the memory cell, a second spacer layer around the first spacer layer, and a third spacer layer around the second spacer layer. The second spacer layer comprises a lateral segment adjacent to a vertical segment. The lateral segment abuts the top electrode and has a top surface aligned with or disposed below a top surface of the top electrode. A first conductive structure overlies the memory cell and contacts the lateral segment and the top electrode.
    Type: Application
    Filed: January 10, 2024
    Publication date: May 2, 2024
    Inventors: Harry-Hak-Lay Chuang, Hung Cho Wang, Sheng-Chang Chen, Sheng-Huang Huang
  • Publication number: 20240145298
    Abstract: Structures with doping free connections and methods of fabrication are provided. An exemplary structure includes a substrate; a first region of a first conductivity type formed in the substrate; an overlying layer located over the substrate; a well region of a second conductivity type formed in the overlying layer; a conductive plug laterally adjacent to the well region and extending through the overlying layer to electrically contact with the first region; and a passivation layer located between the conductive plug and the well region.
    Type: Application
    Filed: February 17, 2023
    Publication date: May 2, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shih-Min Huang, Tzu-Jui Wang, Jung-I Lin, Hung-Chang Chien, Kuan-Chieh Huang, Tzu-Hsuan Hsu, Chen-Jong Wang
  • Patent number: 11969752
    Abstract: The present invention discloses an organic polymer film and a manufacturing method thereof. The organic polymer film is mainly manufactured by the following steps. Firstly, the step (A) provides a xylene precursor and a substrate, and the step (B) places the substrate inside of a plasma equipment. After that, the step (C) evacuates the plasma equipment while introducing a carrier gas which carries vapor of the xylene precursor, and the step (D) turns on a pulse power supply system of the plasma equipment, generating a short pulse for plasma ignition. Finally, the step (E) forms the organic polymer film on the substrate. In the aforementioned steps, the frequency of the short pulse plasma is between 1 Hz˜10,000 Hz, and the pulse period of the short pulse plasma is between 1 ?s˜60 ?s.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: April 30, 2024
    Assignee: FENG CHIA UNIVERSITY
    Inventors: Ping-Yen Hsieh, Xuan-Xuan Chang, Ying-Hung Chen, Chu-Liang Ho
  • Patent number: 11973052
    Abstract: An electronic device includes a bond wire with a first end bonded by a ball bond to a planar side of a first conductive plate, and a second end bonded by a stitch bond to a conductive stud bump at an angle greater than or equal to 60 degrees. A wirebonding method includes bonding the first end of the conductive bond wire to the first conductive plate includes forming a ball bond to join the first end of the conductive bond wire to a planar side of the first conductive plate by a ball bond, and bonding the second end of the conductive bond wire to the conductive stud bump includes forming a stitch bond to join the second end of the conductive bond wire to the conductive stud bump.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: April 30, 2024
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Chien-Chang Li, Hung-Yu Chou, Sheng-Wen Huang, Zi-Xian Zhan, Byron Lovell Williams
  • Publication number: 20240136008
    Abstract: A memory device includes a memory array, a reference voltage generator and a driver circuit. The memory array includes a memory cell. The reference voltage generator is configured to generate a reference voltage based on a threshold voltage of a select transistor of the memory cell. The driver circuit is coupled to the reference voltage generator and is configured to generate at least one of a bit line voltage and a word line voltage according to the reference voltage, wherein the memory cell is driven by the at least one of the bit line voltage or the word line voltage, and the reference voltage generator comprises a resistor that is configured to sense the threshold voltage of the select transistor through a current flowing through the resistor.
    Type: Application
    Filed: January 2, 2024
    Publication date: April 25, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventor: Hung-Chang Yu
  • Publication number: 20240136471
    Abstract: A light-emitting device includes an epitaxial structure having a first surface and a second surface that is opposite to the first surface. The epitaxial structure includes, along a first direction from the first surface to the surface, a first-type semiconductor layer, an active layer, and a second-type semiconductor layer including a capping layer. The capping layer includes at least Ni number of sub-layers arranged in the first direction, where N1?2. Each of the sub-layers of the capping layer contains a material represented by Aly1Ga1-y1InP, where 0<y1?1. The capping layer has an Al content which increases and then remains constant along the first direction. A light-emitting apparatus includes the light-emitting device is also provided.
    Type: Application
    Filed: October 19, 2023
    Publication date: April 25, 2024
    Inventors: Weihuan LI, JInghua CHEN, Yu-Ren PENG, Huan-Shao KUO, Chia-Hung CHANG
  • Publication number: 20240136423
    Abstract: A method for fabricating high electron mobility transistor (HEMT) includes the steps of: forming a buffer layer on a substrate; forming a first barrier layer on the buffer layer; forming a first hard mask on the first barrier layer; removing the first hard mask and the first barrier layer to form a recess; forming a second barrier layer in the recess; and forming a p-type semiconductor layer on the second barrier layer.
    Type: Application
    Filed: December 25, 2023
    Publication date: April 25, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Chun-Ming Chang, Che-Hung Huang, Wen-Jung Liao, Chun-Liang Hou
  • Publication number: 20240133510
    Abstract: In some examples, a mount includes a mounting plate. In some examples, the mounting plate includes mounting holes disposed in a rectangular pattern on the mounting plate to mount a device to the mounting plate. In some examples, the mount includes an adjustment mechanism disposed within a depression of the mounting plate. In some examples, the mount includes a coupler to couple the mounting plate to a support.
    Type: Application
    Filed: October 20, 2022
    Publication date: April 25, 2024
    Inventors: Joseph Roy Torretto, Li-Pang Liang, Hung-Chang Chen, Chang-I Chen, John W. Frederick
  • Patent number: 11967652
    Abstract: A sensor package structure includes a substrate, a sensor chip and a ring-shaped solder mask frame those are disposed on the substrate, a ring-shaped support disposed on a top side of the annular solder mask frame, and a light permeable member that is disposed on the ring-shaped support. The sensor chip is electrically coupled to the substrate. A top surface of the sensor chip has a sensing region, and the sensing region is spaced apart from an outer lateral side of the sensor chip by a distance less than 300 ?m. The ring-shaped solder mask frame surrounds and contacts the outer lateral side of the sensor chip. The light permeable member, the ring-shaped support, and the sensor chip jointly define an enclosed space.
    Type: Grant
    Filed: February 16, 2023
    Date of Patent: April 23, 2024
    Assignee: TONG HSING ELECTRONIC INDUSTRIES, LTD.
    Inventors: Fu-Chou Liu, Jui-Hung Hsu, Yu-Chiang Peng, Chien-Chen Lee, Ya-Han Chang, Li-Chun Hung
  • Publication number: 20240124980
    Abstract: A bimetallic faceplate for substrate processing is provided including a plate having a plurality of gas distribution holes and formed of a first metal having a first coefficient of thermal expansion, the plate having at least one groove around a center of the plate and spaced from the center of the plate; and a metallic element disposed in the at least one groove and fixed to the plate in the at least one groove, the metallic element having a second coefficient of thermal expansion different from the first coefficient of thermal expansion, the metallic element being symmetrically arranged on or in the plate. A chamber for substrate processing is provided that includes a bimetallic faceplate. Also, a method of making a bimetallic faceplate is provided.
    Type: Application
    Filed: October 12, 2022
    Publication date: April 18, 2024
    Inventors: Gaurav SHRIVASTAVA, Pavankumar Ramanand HARAPANHALLI, Sudhir R. GONDHALEKAR, Yao-Hung YANG, Chih-Yang CHANG