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: 20240068652
    Abstract: The present disclosure provides a connecting device and a lamp system. The connecting device is used to connect multiple lamps to form the lamp system. The connecting device includes a connecting element, a cover, and a shell. The cover is mounted on the connecting element and includes at least two first assembling members. The shell is detachably mounted on the cover. The shell includes a side wall, an opening, multiple gateways, and at least two second assembling members. The side wall surrounds a space. The opening and the gateways all are formed on a top of the side wall and communicate with the space. A portion of each of the lamps is received in one of the gateways. The second assembling members are disposed on the side wall and face each other in a radial line of the shell, and respectively engage with the first assembling members.
    Type: Application
    Filed: April 27, 2023
    Publication date: February 29, 2024
    Inventors: Chih-Hung JU, Cheng-Ang CHANG, Guo-Hao HUANG, Chung-Kuang CHEN
  • Publication number: 20240074206
    Abstract: A semiconductor device includes a random access memory (RAM) structure and a dielectric layer. The RAM structure is over a substrate and includes a bottom electrode layer, a ferroelectric layer over the bottom electrode layer, and a top electrode layer over the ferroelectric layer. The dielectric layer is over the substrate and laterally surrounds a lower portion of the RAM structure. From a cross-sectional view, the bottom electrode layer of the RAM structure has a lateral portion and a vertical portion, and the vertical portion upwardly extends from the lateral portion to a position higher than a top surface of the dielectric layer.
    Type: Application
    Filed: November 3, 2023
    Publication date: February 29, 2024
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Fu-Chen CHANG, Kuo-Chi TU, Tzu-Yu CHEN, Sheng-Hung SHIH
  • Publication number: 20240069636
    Abstract: A touch device includes a touch panel, a circuit board, a vibrating unit and a pressure detection module. The touch panel includes two press regions. When different press regions of the touch panel are pressed by the user, the vibration feedback values generated by different press regions are different.
    Type: Application
    Filed: September 14, 2022
    Publication date: February 29, 2024
    Inventors: Chieh-Hung Hsieh, Wei-Chiang Huang, Chao-Wei Lee, Hsueh-Chao Chang, Sian-Yi Chiu
  • Patent number: 11916131
    Abstract: According to an exemplary embodiment, a method of forming a vertical device is provided. The method includes: providing a protrusion over a substrate; forming an etch stop layer over the protrusion; laterally etching a sidewall of the etch stop layer; forming an insulating layer over the etch stop layer; forming a film layer over the insulating layer and the etch stop layer; performing chemical mechanical polishing on the film layer and exposing the etch stop layer; etching a portion of the etch stop layer to expose a top surface of the protrusion; forming an oxide layer over the protrusion and the film layer; and performing chemical mechanical polishing on the oxide layer and exposing the film layer.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: February 27, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: De-Fang Chen, Teng-Chun Tsai, Cheng-Tung Lin, Li-Ting Wang, Chun-Hung Lee, Ming-Ching Chang, Huan-Just Lin
  • Patent number: 11915746
    Abstract: A memory device includes a plurality of memory cells; a word line, connected to one of the plurality of memory cells, that is configured to provide a first WL pulse having a rising edge and a falling edge that define a pulse width of the first WL pulse; a first tracking WL, formed adjacent to the memory cells, that is configured to provide, via being physically or operatively coupled to a bit line (BL) configured to write a logic state to the memory cell, a second WL pulse having a rising edge with a decreased slope; and a first tracking BL, configured to emulate the BL, that is coupled to the first tracking WL such that the pulse width of the first WL pulse is increased based on the decreased slope of the rising edge of the second WL pulse.
    Type: Grant
    Filed: May 12, 2022
    Date of Patent: February 27, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Wei-jer Hsieh, Yu-Hao Hsu, Zhi-Hao Chang, Cheng Hung Lee
  • Patent number: 11913876
    Abstract: An optical water-quality detection apparatus includes a detection device, a biofilm-inhibition light source, a detection light source and a sensor. The detection device includes a detection chamber. The biofilm-inhibition light source is disposed outside the detection chamber and configured to emit biofilm-inhibition light. The detection light source is disposed outside the detection chamber and configured to emit detection light. The sensor is configured to sense the detection light penetrating the detection chamber. A beam of the detection light and a beam of the inhibition light overlaps as penetrating the detection chamber.
    Type: Grant
    Filed: August 10, 2022
    Date of Patent: February 27, 2024
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chia-Jung Chang, Jui-Hung Tsai, Ying-Hao Wang, Chih-Hao Hsu
  • Patent number: 11914860
    Abstract: A processor receives, from an input device, input data for processing. Upon determining that the input data corresponds to an artificial intelligence (AI) application, the processor generates an AI command for performing read or write operations for a memory device that is configured to store data for a plurality of applications including the AI application, the AI command characterized by an operational code and including information about one or more components of the AI application corresponding to the input data. The processor sends the AI command and the input data to a storage controller managing the memory device, wherein the read or write operations for the memory device are performed by the storage controller using the operational code and the information included in the AI command. The processor receives, from the storage controller, a result of the read or write operations performed on the memory device.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: February 27, 2024
    Assignee: Macronix International Co., Ltd.
    Inventors: Chun-Hung Lai, Hung-Sheng Chang
  • Patent number: 11911893
    Abstract: The present invention provides systems, methods, and apparatus for a vacuum tool having a switchable plate, such that a common vacuum tool may be adapted with different plates. A switchable plate may form the entirety of the vacuum tool's material contacting surface or a switchable plate may form a portion of the material contacting surface. The vacuum tool is effective for picking and placing one or more manufacturing parts utilizing a vacuum force.
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: February 27, 2024
    Assignee: NIKE, Inc.
    Inventors: Patrick Conall Regan, Kuo-Hung Lee, Chih-Chi Chang
  • Publication number: 20240055390
    Abstract: The disclosure provides a method of manufacturing a semiconductor device including bonding a second device wafer to a first device wafer, such that a first bonding interface including a dielectric-to-dielectric bonding interface and a metal-to-metal bonding interface is formed between the first device wafer and the second device wafer, wherein the second device wafer is electrically coupled to the first device wafer, and a function of the first device wafer and the second device wafer are the same kind of device wafer. A semiconductor device is also provided.
    Type: Application
    Filed: October 23, 2023
    Publication date: February 15, 2024
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Yi-Jen Lo, Hsih Yang Chiu, Ching Hung Chang, Chiang-Lin Shih
  • Patent number: 11901030
    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: Grant
    Filed: June 24, 2022
    Date of Patent: February 13, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventor: Hung-Chang Yu
  • Patent number: 11901364
    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: Grant
    Filed: August 27, 2021
    Date of Patent: February 13, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Jung-Hung Chang, Zhi-Chang Lin, Shih-Cheng Chen, Chien Ning Yao, Kuo-Cheng Chiang, Chih-Hao Wang
  • Patent number: 11903214
    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: Grant
    Filed: May 10, 2021
    Date of Patent: February 13, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: TsuChing Yang, Hung-Chang Sun, Kuo Chang Chiang, Sheng-Chih Lai, Yu-Wei Jiang
  • Patent number: 11903213
    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: Grant
    Filed: March 3, 2021
    Date of Patent: February 13, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu-Wei Jiang, Hung-Chang Sun, Sheng-Chih Lai, Kuo-Chang Chiang, Tsuching Yang
  • Publication number: 20240047272
    Abstract: A semiconductor structure includes a first fin structure and a second fin structure, a first dielectric layer disposed over the first fin structure, a second dielectric layer disposed over the second fin structure, a first gate electrode disposed over the first dielectric layer, and a second gate electrode disposed over the second dielectric layer. A thickness of the first dielectric layer and a thickness of the second dielectric layer are equal. The second fin structure includes an outer region and an inner region, and a Ge concentration in the outer portion is less than Ge concentration in the inner portion.
    Type: Application
    Filed: October 23, 2023
    Publication date: February 8, 2024
    Inventors: I-MING CHANG, CHUNG-LIANG CHENG, HSIANG-PI CHANG, HUNG-CHANG SUN, YAO-SHENG HUANG, YU-WEI LU, FANG-WEI LEE, ZIWEI FANG, HUANG-LIN CHAO
  • Patent number: 11895236
    Abstract: A device which can be implemented on a single packaged integrated circuit or a multichip module comprises a plurality of non-volatile memory cells, and logic to use a physical unclonable function to produce a key and to store the key in a set of non-volatile memory cells in the plurality of non-volatile memory cells. The physical unclonable function can use entropy derived from non-volatile memory cells in the plurality of non-volatile memory cells to produce a key. Logic is described to disable changes to data in the set of non-volatile memory cells, and thereby freeze the key after it is stored in the set.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: February 6, 2024
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chun-Hsiung Hung, Chin-Hung Chang
  • Patent number: 11889434
    Abstract: A wireless communication includes a control circuit and a receiver (RX) circuit. The control circuit obtains indicator information from another wireless communication system, identifies a transmitter (TX) and receiver (RX) packet delivery scenario as one of a packet overlapping scenario and a packet non-overlapping scenario according to the indicator information, and generates RX gain control information in response to the TX and RX packet delivery scenario. The RX circuit refers to the RX gain control information to set an RX gain used for receiving data.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: January 30, 2024
    Assignee: MEDIATEK INC.
    Inventors: Yen-Wen Yang, Chen-Feng Liu, Ting-Che Tseng, Ying-Che Hung, Tsai-Yuan Hsu, You-Chin Chang, Kin-Man Sun, Chih-Hsiu Lin, Teng-Wei Huang, Hung-Chang Tsai
  • Patent number: 11881527
    Abstract: A lateral diffusion metal-oxide semiconductor (LDMOS) device includes a first gate structure and a second gate structure extending along a first direction on a substrate, a first source region extending along the first direction on one side of the first gate structure, a second source region extending along the first direction on one side of the second gate structure, a drain region extending along the first direction between the first gate structure and the second gate structure, a guard ring surrounding the first gate structure and the second gate structure, and a shallow trench isolation (STI) surrounding the guard ring.
    Type: Grant
    Filed: September 12, 2021
    Date of Patent: January 23, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Ling-Chun Chou, Yu-Hung Chang, Kun-Hsien Lee
  • Publication number: 20240021481
    Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a substrate having a base. The semiconductor device structure includes a first multilayer stack over the base. The first multilayer stack includes a first channel layer and a second channel layer over and spaced apart from the first channel layer. The semiconductor device structure includes a gate stack over the substrate. The gate stack wraps around the first multilayer stack. The semiconductor device structure includes an inner spacer layer between the second channel layer and the first channel layer and between the first channel layer and the base. The semiconductor device structure includes a bottom spacer over the base. The semiconductor device structure includes a first source/drain structure over the bottom spacer and connected to the second channel layer.
    Type: Application
    Filed: September 28, 2023
    Publication date: January 18, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ching-Wei TSAI, Yu-Xuan HUANG, Kuan-Lun CHENG, Chih-Hao WANG, Min CAO, Jung-Hung CHANG, Lo-Heng CHANG, Pei-Hsun WANG, Kuo-Cheng CHIANG
  • Publication number: 20240021225
    Abstract: A device includes a first memory subarray, a first modulation circuit, a second memory subarray, a second modulation circuit and a control signal generator. The first modulation circuit is coupled to the first memory subarray. The second memory subarray is located between the first memory subarray and the first modulation circuit along a direction. The second modulation circuit is coupled to the second memory subarray. The control signal generator is configured to generate a first control signal to trigger the first modulation circuit according to a first length of the first memory subarray along the direction, and configured to generate a second control signal to trigger the second modulation circuit according to a second length of the second memory subarray along the direction.
    Type: Application
    Filed: September 27, 2023
    Publication date: January 18, 2024
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITED
    Inventors: Xiu-Li YANG, He-Zhou WAN, Mu-Yang YE, Lu-Ping KONG, Ming-Hung CHANG
  • Patent number: 11876077
    Abstract: The disclosure provides a method of manufacturing a semiconductor device including bonding a second device wafer to a first device wafer, such that a first bonding interface including a fusion-bonding interface is formed between the first device wafer and the second device wafer, wherein the first device wafer and the second device wafer are the same kind of device wafer. A semiconductor device is also provided.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: January 16, 2024
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventors: Yi-Jen Lo, Hsih Yang Chiu, Ching Hung Chang, Chiang-Lin Shih