Patents by Inventor Chi Wu

Chi Wu 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: 11457177
    Abstract: A video conferencing system is disclosed. The video conferencing system includes a transmitter and a receiver. When the transmitter is coupled to a port of an information processing apparatus, the transmitter communicates with the information processing apparatus to determine whether the port of the information processing apparatus has video output function. When the above determination result is no, the transmitter emits a wireless signal. The transmitter is coupled to a display apparatus and used to receive the wireless signal and provide a default warning message to the display apparatus.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: September 27, 2022
    Assignee: BenQ Corporation
    Inventors: Chin-Fu Chiang, Chen-Chi Wu, Chia-Nan Shih
  • Publication number: 20220303314
    Abstract: An image sharing and conference participant identification method includes providing a first multimedia adapter device and a second multimedia adapter device, generating a link control signal after the first multimedia adapter device is triggered, transmitting the link control signal from the first multimedia adapter device to the second multimedia adapter device directly or through a server according to a link list, establishing a link between the first multimedia adapter device and the second multimedia adapter device, and transmitting first image data from the first multimedia adapter device to the second multimedia adapter device through the link for integrating the first image data and second image data by the second multimedia adapter device to generate sharing image data.
    Type: Application
    Filed: January 25, 2022
    Publication date: September 22, 2022
    Applicant: BENQ CORPORATION
    Inventors: Chen-Chi Wu, Chia-Nan Shih, Chin-Fu Chiang, Jung-Kun Tseng, Chuang-Wei Wu
  • Patent number: 11450574
    Abstract: A semiconductor structure can include a high voltage region, a first moat trench isolation structure electrically insulating the high voltage region from low voltage regions of the semiconductor structure, and a second moat trench isolation structure electrically insulating the high voltage region from the low voltage regions of the semiconductor structure. The first moat trench isolation structure can include dielectric sidewall spacers and a conductive fill material portion located between the dielectric sidewall spacers. The second moat trench isolation structure can include only at least one dielectric material, and can include a dielectric moat trench fill structure having a same material composition as the dielectric sidewall spacers and having a lateral thickness that is greater than a lateral thickness of the dielectric sidewall spacers and is less than twice the lateral thickness of the dielectric sidewall spacers.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: September 20, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Hung-Ling Shih, Tsung-Yu Yang, Yun-Chi Wu, Po-Wei Liu
  • Publication number: 20220293799
    Abstract: A semiconductor device includes a non-volatile memory (NVM) cell. The NVM cell includes a semiconductor wire disposed over an insulating layer disposed on a substrate. The NVM cell includes a select transistor and a control transistor. The select transistor includes a gate dielectric layer disposed around the semiconductor wire and a select gate electrode disposed on the gate dielectric layer. The control transistor includes a stacked dielectric layer disposed around the semiconductor wire and a control gate electrode disposed on the stacked dielectric layer. The stacked dielectric layer includes a charge trapping layer. The select gate electrode is disposed adjacent to the control gate electrode with the stacked dielectric layer interposed therebetween.
    Type: Application
    Filed: May 26, 2022
    Publication date: September 15, 2022
    Inventors: Cheng-Bo SHU, Yun-Chi WU, Chung-Jen HUANG
  • Publication number: 20220293940
    Abstract: A rechargeable transition metal battery includes a negative electrode, a positive electrode and an electrolyte. The negative electrode includes a negative electrode material which is a transition metal or an alloy of the transition metal. The positive electrode is electrically connected to the negative electrode and includes a host material and a positive electrode material. The host material includes a carbon. The positive electrode material is connected to the host material, and the positive electrode material is a compound of a metal, an elemental chalcogen or an elemental halogen. The electrolyte is disposed between the positive electrode and the negative electrode.
    Type: Application
    Filed: June 7, 2021
    Publication date: September 15, 2022
    Inventors: Yu-Lun CHUEH, Shu-Chi WU
  • Publication number: 20220293732
    Abstract: Semiconductor structures and methods for manufacturing the same are provided. The method for manufacturing the semiconductor structure includes forming a gate structure over a substrate and forming a mask layer covering the gate structure. The method also includes forming a source/drain structure adjacent to the gate structure over the substrate and forming a contact over the source/drain structure. The method also includes forming a dielectric layer over the contact and the mask layer and forming a first trench through the dielectric layer and the mask layer over the gate structure. The method also includes forming a first conductive structure in the first trench and removing an upper portion of the first conductive structure. The method also includes forming a second conductive structure through the dielectric layer and covering the contact and the first conductive structure.
    Type: Application
    Filed: May 20, 2021
    Publication date: September 15, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jia-Heng WANG, Pang-Chi WU, Chao-Hsun WANG, Fu-Kai YANG, Mei-Yun WANG
  • Patent number: 11444176
    Abstract: Structures and formation methods of a semiconductor device structure are provided. The semiconductor device structure includes a gate stack over a semiconductor substrate and a cap element over the gate stack. The cap element has an upper portion and a lower portion, and the upper portion is wider than the lower portion. The semiconductor device structure also includes a spacer element over a sidewall of the cap element and a sidewall of the gate stack.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: September 13, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Po-Chi Wu, Chai-Wei Chang, Kuo-Hui Chang, Yi-Cheng Chao
  • Publication number: 20220285551
    Abstract: In some embodiments, the present disclosure relates to an integrated chip that includes a source region and a drain region arranged over and/or within a substrate. Further, a shallow trench isolation (STI) structure is arranged within the substrate and between the source and drain regions. A gate electrode is arranged over the substrate, over the STI structure, and between the source and drain regions. A portion of the gate electrode extends into the STI structure such that a bottommost surface of the portion of the gate electrode is arranged between a topmost surface of the STI structure and a bottommost surface of the STI structure.
    Type: Application
    Filed: May 12, 2021
    Publication date: September 8, 2022
    Inventors: Yuan-Cheng Yang, Yun-Chi Wu, Shih-Jung Tu
  • Patent number: 11437518
    Abstract: A method includes forming an opening in a dielectric to reveal a protruding semiconductor fin, forming a gate dielectric on sidewalls and a top surface of the protruding semiconductor fin, and forming a conductive diffusion barrier layer over the gate dielectric. The conductive diffusion barrier layer extends into the opening. The method further includes forming a silicon layer over the conductive diffusion barrier layer and extending into the opening, and performing a dry etch on the silicon layer to remove horizontal portions and vertical portions of the silicon layer. After the dry etch, a conductive layer is formed over the conductive diffusion barrier layer and extending into the opening.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: September 6, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Wen-Han Fang, Po-Chi Wu
  • Publication number: 20220278159
    Abstract: An image sensor device is provided. The image sensor device includes a semiconductor substrate having a front surface, a back surface opposite to the front surface, and a light-sensing region close to the front surface. The image sensor device includes an insulating layer covering the back surface and extending into the semiconductor substrate. The protection layer has a first refractive index, and the first refractive index is less than a second refractive index of the semiconductor substrate and greater than a third refractive index of the insulating layer, and the protection layer conformally and continuously covers the back surface and extends into the semiconductor substrate. The image sensor device includes a reflective structure surrounded by insulating layer in the semiconductor substrate.
    Type: Application
    Filed: May 18, 2022
    Publication date: September 1, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chun-Chieh FANG, Ming-Chi WU, Ji-Heng JIANG, Chi-Yuan WEN, Chien-Nan TU, Yu-Lung YEH, Shih-Shiung CHEN, Kun-Yu LIN
  • Publication number: 20220267923
    Abstract: A purification apparatus and a method of purifying hot zone parts are provided. The purification apparatus is configured to remove impurities attached on at least one hot zone part. The purification apparatus includes a crystal high temperature furnace, an enclosed box disposed in the crystal high temperature furnace, an outer tube connected to the crystal high temperature furnace and the enclosed box, an inner tube disposed in the outer tube, and a gas inlet cover connected to the outer tube. The crystal high temperature furnace includes a furnace body, a furnace cover, and a thermal field module disposed in the furnace body. The gas inlet cover is configured to input a noble gas into the enclosed box through the inner tube, and the thermal field module is configured to heat the noble gas so that the impurities are heated and vaporized through the noble gas.
    Type: Application
    Filed: February 24, 2022
    Publication date: August 25, 2022
    Inventors: Chung-Sheng Chang, Masami Nakanishi, YU-SHENG SU, YEN-HSUN CHU, YUNG-CHI WU, Yi-Hua Fan
  • Patent number: 11424261
    Abstract: Various embodiments of the present application are directed to an integrated circuit (IC) comprising a memory cell with a large operation window and a high erase speed. In some embodiments, the IC comprises a semiconductor substrate and a memory cell. The memory cell comprises a control gate electrode, a select gate electrode, a charge trapping layer, and a common source/drain region. The common source/drain is defined by the semiconductor substrate and is n-type. The control gate electrode and the select gate electrode overlie the semiconductor substrate and are respectively on opposite sides of the common source/drain. Further, the control gate electrode overlies the charge trapping layer and comprises a metal with a p-type work function. In some embodiments, the select gate electrode comprises a metal with an n-type work function.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: August 23, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yun-Chi Wu, Cheng-Bo Shu, Chien Hung Liu
  • Publication number: 20220238572
    Abstract: A method includes etching a semiconductor substrate to form a trench, filling a dielectric layer into the trench, with a void being formed in the trench and between opposite portions of the dielectric layer, etching the dielectric layer to reveal the void, forming a diffusion barrier layer on the dielectric layer, and forming a high-reflectivity metal layer on the diffusion barrier layer. The high-reflectivity metal layer has a portion extending into the trench. A remaining portion of the void is enclosed by the high-reflectivity metal layer.
    Type: Application
    Filed: April 11, 2022
    Publication date: July 28, 2022
    Inventors: Ming-Chi Wu, Chun-Chieh Fang, Bo-Chang Su, Chien Nan Tu, Yu-Lung Yeh, Kun-Yu Lin, Shih-Shiung Chen
  • Patent number: 11393724
    Abstract: In an embodiment, a method includes: forming a first fin extending from a substrate; forming a second fin extending from the substrate, the second fin being spaced apart from the first fin by a first distance; forming a metal gate stack over the first fin and the second fin; depositing a first inter-layer dielectric over the metal gate stack; and forming a gate contact extending through the first inter-layer dielectric to physically contact the metal gate stack, the gate contact being laterally disposed between the first fin and the second fin, the gate contact being spaced apart from the first fin by a second distance, where the second distance is less than a second predetermined threshold when the first distance is greater than or equal to a first predetermined threshold.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: July 19, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shih-Chieh Wu, Pang-Chi Wu, Kuo-Yi Chao, Mei-Yun Wang, Hsien-Huang Liao, Tung-Heng Hsieh, Bao-Ru Young
  • Patent number: 11393937
    Abstract: The present disclosure relates to an integrated chip that has a light sensing element arranged within a substrate. An absorption enhancement structure is arranged along a back-side of the substrate, and an interconnect structure is arranged along a front-side of the substrate. A reflection structure includes a dielectric structure and a plurality of semiconductor pillars that matingly engage the dielectric structure. The dielectric structure and semiconductor pillars are arranged along the front-side of the substrate and are spaced between the light sensing element and the interconnect structure. The plurality of semiconductor pillars and the dielectric structure are collectively configured to reflect incident light that has passed through the absorption enhancement structure and through the light sensing element back towards the light sensing element before the incident light strikes the interconnect structure.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: July 19, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Po-Han Huang, Chien Nan Tu, Chi-Yuan Wen, Ming-Chi Wu, Yu-Lung Yeh, Hsin-Yi Kuo
  • Publication number: 20220223589
    Abstract: An integrated circuit (IC) with active and dummy device cell arrays and a method of fabricating the same are discloses. The IC includes a substrate, an active device cell, and a dummy device cell. The active device cell includes an array of source/drain (S/D) regions of a first conductivity type disposed on or within the substrate and an array of gate structures with a first gate fill material disposed on the substrate. The dummy device cell includes a first array of S/D regions of the first conductivity type disposed on or within the substrate, a second array of S/D regions of a second conductivity type disposed on or within the substrate, and an array of dual gate structures disposed on the substrate. Each of the dual gate structures includes the first gate fill material and a second gate fill material that is different from the first gate fill material.
    Type: Application
    Filed: May 13, 2021
    Publication date: July 14, 2022
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Kai-Chi WU, Ching-Hung Kao, Mang-I Kang, Kuo-Fang Ting
  • Patent number: 11387365
    Abstract: In a method of manufacturing a semiconductor device including a Fin FET, a fin structure extending in a first direction is formed over a substrate. An isolation insulating layer is formed over the substrate so that an upper portion of the fin structure is exposed from the isolation insulating layer. A gate structure extending in a second direction crossing the first direction is formed over a part of the fin structure. A fin mask layer is formed on sidewalls of a source/drain region of the fin structure. The source/drain region of the fin structure is recessed. An epitaxial source/drain structure is formed over the recessed fin structure. In the recessing the source/drain region of the fin structure, a plasma process combining etching and deposition processes is used to form a recess having a rounded corner shape in a cross section along the second direction.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: July 12, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Cheng-Yen Yu, Po-Chi Wu, Yueh-Chun Lai
  • Patent number: 11387351
    Abstract: A manufacturing process and device are provided in which a first opening in formed within a substrate. The first opening is reshaped into a second opening using a second etching process. The second etching process is performed with a radical etch in which neutral ions are utilized. As such, substrate push is reduced.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: July 12, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Bo-Feng Young, Che-Cheng Chang, Po-Chi Wu
  • Publication number: 20220206079
    Abstract: A device estimates the health of a battery by first collecting measurements of the battery over multiple charging and discharging cycles. Scores are assigned to the measurements according to scoring rules stored in a memory of the device. The device calculates battery based on an average of the measurements, where each measurement has an assigned score greater than a threshold.
    Type: Application
    Filed: December 9, 2021
    Publication date: June 30, 2022
    Inventors: Chi Cheng Liao, Jia-You Chuang, Jui-Chi Wu
  • Patent number: 11373702
    Abstract: A write assist circuit is provided. The write assist circuit includes a transistor switch coupled between a bit line voltage node of a cell array and a ground node. An invertor is operative to receive a boost signal responsive to a write enable signal. An output of the invertor is coupled to a gate of the transistor switch. The write assist circuit further includes a capacitor having a first end coupled to the bit line voltage node and a second end coupled to the gate node. The capacitor is operative to drive a bit line voltage of the bit line voltage node to a negative value from the ground voltage in response to the boost signal.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: June 28, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Wei-Jer Hsieh, Chiting Cheng, Yangsyu Lin, Shang-Chi Wu