Patents by Inventor Chun-Hung Liao

Chun-Hung 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).

  • Publication number: 20250076560
    Abstract: A light source module includes a light guide plate, a first light source, multiple first optical microstructures, and multiple second optical microstructures. The first light source is disposed on a side of a first light incident surface of the light guide plate. The first and second optical microstructures are disposed on a bottom surface of the light guide plate, and respectively located in a first and a second zone. A first light receiving surface of each first optical microstructure facing the first light source has a first edge connecting the bottom surface, and a perpendicular bisector of the first edge passes through the first light source. The first zone does not overlap the second zone. A second light receiving surface of each second optical microstructure has a second edge connecting the bottom surface, and a perpendicular bisector of the second edge does not pass through the first light source.
    Type: Application
    Filed: August 29, 2024
    Publication date: March 6, 2025
    Applicant: CHAMP VISION DISPLAY INC.
    Inventors: Chin-Ku Liu, Chung-Hao Wu, Hsin-Hung Lee, Chun-Chien Liao
  • Patent number: 12228277
    Abstract: A light source module includes a light source and a reflective element. The light source has a light emitting surface. The reflective element is disposed on a transmission path of an illumination light beam emitted from the light source. The illumination light beam reflected by the reflective element is irradiated on a target plane. The reflective element includes a first reflective surface and a second reflective surface. The first reflective surface is disposed towards the light emitting surface of the light source, and is a plane. The second reflective surface bendably extends from the first reflective surface.
    Type: Grant
    Filed: March 28, 2024
    Date of Patent: February 18, 2025
    Assignee: CHAMP VISION DISPLAY INC.
    Inventors: Chun-Chien Liao, Hsin-Hung Lee, Chung-Hao Wu
  • Publication number: 20250051073
    Abstract: A food packaging barrier film is provided. The food packaging barrier film includes a base film, an inorganic laminated film formed on a surface of the base film, and a barrier coating layer formed on the inorganic laminated film. The inorganic laminated film includes at least one first inorganic material deposition layer and a second inorganic material deposition layer stacked upon each other, and the at least one first inorganic material deposition layer and the second inorganic material deposition layer are formed in a same vacuum deposition process and in a vacuum condition. The at least one first inorganic material deposition layer and the second inorganic material deposition layer are respectively formed by different inorganic metal oxides in the same vacuum deposition process. The barrier coating layer is formed by coating a barrier coating solution on the inorganic laminated film and then curing the barrier coating solution.
    Type: Application
    Filed: October 29, 2024
    Publication date: February 13, 2025
    Inventors: TE-CHAO LIAO, CHUN-CHE TSAO, CHENG-HUNG CHEN
  • Publication number: 20250044270
    Abstract: A system for notifying environmental pollution status includes wireless environment sensing devices and a portable wireless environmental pollution status notification device. The wireless environment sensing devices, respectively arranged in the different sensing locations of a physical environment, respectively store the sensing locations and respectively sense pollution related information corresponding to the different sensing locations to output the pollution related information and the sensing locations corresponding thereto. The portable wireless environmental pollution status notification device, wirelessly connected to the plurality of wireless environment sensing devices and located in the physical environment, receives the pollution related information and the sensing locations corresponding thereto and generates notification signals based on the pollution related information and the sensing locations corresponding thereto.
    Type: Application
    Filed: July 15, 2024
    Publication date: February 6, 2025
    Inventors: CHIA-JUI YANG, HERMAN CHUNGHWA RAO, CHUN-CHIEH KUO, HUA-PEI CHIANG, SHUI-SHU HSIAO, ZHENG-XIANG CHANG, CHYI-DAR JANG, TSUNG-JEN WANG, CHE-YU LIAO, CHIH-MIN CHAN, TENG-CHIEH YANG, CHANG-HUNG HSU
  • Publication number: 20250035603
    Abstract: A positioning pollutant-measuring system includes a cloud server, a wireless base station, an automatic moving vehicle, and a positioning pollutant-measuring device. The automatic moving vehicle carries the positioning pollutant-measuring device and passes through different locations. The positioning pollutant-measuring device receives location related parameters from the wireless base station and measures the air flow rates or the air humidity of the different locations to adjust a resolution for measuring pollutants corresponding to the different locations.
    Type: Application
    Filed: June 24, 2024
    Publication date: January 30, 2025
    Inventors: Chia-Jui YANG, HERMAN CHUNGHWA RAO, Chun-Chieh KUO, Hua-Pei CHIANG, Shui-Shu HSIAO, Zheng-Xiang CHANG, Chyi-Dar JANG, Tsung-Jen WANG, Che-Yu LIAO, Chih-Min CHAN, Teng-Chieh YANG, CHANG-HUNG HSU
  • Publication number: 20250022802
    Abstract: An integrated circuit (IC) with conductive structures and a method of fabricating the IC are disclosed. The method includes depositing a first dielectric layer on a semiconductor device, forming a conductive structure in the first dielectric layer, removing a portion of the first dielectric layer to expose a sidewall of the conductive structure, forming a barrier structure surrounding the sidewall of the conductive structure, depositing a conductive layer on the barrier structure, and performing a polishing process on the barrier structure and the conductive layer.
    Type: Application
    Filed: July 13, 2023
    Publication date: January 16, 2025
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd
    Inventors: Tzu Pei Chen, Sung-Li Wang, Shin-Yi Yang, Po-Chin Chang, Yuting Cheng, Chia-Hung Chu, Chun-Hung Liao, Harry CHIEN, Chia-Hao Chang, Pinyen LIN
  • Patent number: 12176217
    Abstract: The present disclosure provides a method for manufacturing a semiconductor. The method includes: forming a metal oxide layer over a gate structure over a substrate; forming a dielectric layer over the metal oxide layer; forming a metal layer over the metal oxide layer; and performing a chemical mechanical polish (CMP) operation to remove a portion of the dielectric layer and a portion of the metal layer, the CMP operation stopping at the metal oxide layer, wherein a slurry used in the CMP operation includes a ceria compound. The present disclosure also provides a method for planarizing a metal-dielectric surface.
    Type: Grant
    Filed: May 17, 2023
    Date of Patent: December 24, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Chun-Hung Liao, Chung-Wei Hsu, Tsung-Ling Tsai, Chen-Hao Wu, An-Hsuan Lee, Shen-Nan Lee, Teng-Chun Tsai, Huang-Lin Chao
  • Publication number: 20240327677
    Abstract: A CMP slurry composition and a method of polishing a metal layer are provided. In some embodiments, the CMP slurry composition includes about 0.1 to 10 parts by weight of a metal oxide, and about 0.1 to 10 parts by weight of a chelator. The chelator includes a thiol compound or a thiolether compound.
    Type: Application
    Filed: June 4, 2024
    Publication date: October 3, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chun-Hung Liao, An-Hsuan Lee, Shen-Nan Lee, Teng-Chun Tsai, Chen-Hao Wu, Huang-Lin Chao
  • Patent number: 12024651
    Abstract: A CMP slurry composition and a method of polishing a metal layer are provided. In some embodiments, the CMP slurry composition includes about 0.1 to 10 parts by weight of a metal oxide, and about 0.1 to 10 parts by weight of a chelator. The chelator includes a thiol compound or a thiolether compound.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: July 2, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chun-Hung Liao, An-Hsuan Lee, Shen-Nan Lee, Teng-Chun Tsai, Chen-Hao Wu, Huang-Lin Chao
  • Publication number: 20240112928
    Abstract: A trimming method is provided. The trimming method includes the following steps. A first wafer including a substrate and a device layer over a first side of the substrate is provided. The first wafer is bonded to a second wafer with the first side of the substrate facing toward the second wafer. An edge trimming process is performed to remove a trimmed portion of the substrate from a second side opposite to the first side vertically downward toward the first side in a first direction along a perimeter of the substrate, wherein the edge trimming process results in the substrate having a flange pattern laterally protruding from the device layer and laterally surrounding an untrimmed portion of the substrate along a second direction perpendicular to the first direction.
    Type: Application
    Filed: January 10, 2023
    Publication date: April 4, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: An-Hsuan Lee, Chen-Hao Wu, Chun-Hung Liao, Huang-Lin Chao
  • Publication number: 20240021535
    Abstract: A semiconductor device includes a semiconductor substrate, at least two source/drain features, at least two source/drain features, one or more channel layers, a gate structure, a first conductive feature, a second conductive feature, and an alignment mark. The semiconductor substrate has a first region and a second region next to the first region. The at least two source/drain features are disposed in the second region and are laterally arranged to each other. The one or more channel layers are disposed in the second region and connect the at least two source/drain features. The gate structure is disposed in the second region and engages the one or more channel layers and interposes the at least two source/drain features. The first conductive feature is disposed in the second region and is electrically coupled to the at least two source/drain features.
    Type: Application
    Filed: July 13, 2022
    Publication date: January 18, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Lin-Yu Huang, Chun-Hung Liao
  • Publication number: 20230395504
    Abstract: Provided are devices with conductive contacts and methods for forming such devices. A method includes forming a lower conductive contact in a dielectric material and over a structure, wherein the lower conductive contact has opposite sidewalls that extend to and terminate at a top surface. The method also includes separating an upper portion of each sidewall from the dielectric material and locating a barrier material between the upper portion of each sidewall and the dielectric material. Further, the method includes forming an upper conductive contact over the lower conductive contact.
    Type: Application
    Filed: June 1, 2022
    Publication date: December 7, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tzu Pei Chen, Chia-Hao Chang, Shin-Yi Yang, Chia-Hung Chu, Po-Chin Chang, Shuen-Shin Liang, Chun-Hung Liao, Yuting Cheng, Hung-Yi Huang, Harry Chien, Pinyen Lin, Sung-Li Wang
  • Publication number: 20230356356
    Abstract: The present disclosure describes a method and an apparatus that can enhance the slurry oxidizability for a chemical mechanical polishing (CMP) process. The method can include securing a substrate onto a carrier of a polishing system. The method can further include dispensing, via a feeder of the polishing system, a first slurry towards a polishing pad of the polishing system. The method can further include forming a second slurry by enhancing an oxidizability of the first slurry, and performing a polishing process, with the second slurry, on the substrate.
    Type: Application
    Filed: July 20, 2023
    Publication date: November 9, 2023
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chun-Hung Liao, Chen-Hao Wu, An-Hsuan Lee, Huang-Lin Chao
  • Publication number: 20230347471
    Abstract: A method disclosed herein includes forming a polishing pad configured for a chemical-mechanical polishing (CMP) process and polishing a workpiece using the polishing pad and a CMP slurry. Forming the polishing pad includes forming an interpenetrating polymer network having a first phase and a second phase embedded in the first phase, removing the second phase from the interpenetrating polymer network, thereby forming a porous top pad that includes a network of pores embedded in the first phase, and adhering the porous top pad to a sub pad, thereby forming the polishing pad. The second phase is different from the first phase in composition, and the interpenetrating polymer network has a substantially periodic pattern. Surface roughness of the porous top pad is consistent during the polishing of the workpiece.
    Type: Application
    Filed: July 10, 2023
    Publication date: November 2, 2023
    Inventors: An-Hsuan Lee, Ming-Shiuan She, Chen-Hao Wu, Chun-Hung Liao, Shen-Nan Lee, Teng-Chun Tsai
  • Publication number: 20230343638
    Abstract: A semiconductor device structure includes a gate structure formed over a substrate. The semiconductor device structure also includes a source/drain structure formed beside the gate structure. The semiconductor device structure further includes a contact structure formed over the source/drain structure. The semiconductor device structure also includes a first cap layer formed over the contact structure. The semiconductor device structure further includes a dielectric structure extending from a top surface of the first cap layer into the contact structure. The dielectric structure and the source/drain structure are separated by the contact structure.
    Type: Application
    Filed: July 5, 2023
    Publication date: October 26, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chun-Hung LIAO, Lin-Yu HUANG, Chia-Hao CHANG, Huang-Lin CHAO
  • Publication number: 20230298949
    Abstract: In-situ defect count detection in post chemical mechanical polishing (post-CMP) is provided. Post-CMP is performed, in-situ and according to a recipe, on a surface of a semiconductor wafer within a post-CMP chamber. A light signal is scanned over a target area of the surface of the semiconductor wafer and a reflected light signal reflected from the target area is detected. A defect count of defects present in the target area is determined based on the reflected light signal reflected from the target area.
    Type: Application
    Filed: March 16, 2022
    Publication date: September 21, 2023
    Inventors: Chun-Hung LIAO, Jeng-Chi LIN, Chi-Jen LIU, Liang-Guang CHEN, Huang-Lin CHAO
  • Publication number: 20230290641
    Abstract: The present disclosure provides a method for manufacturing a semiconductor. The method includes: forming a metal oxide layer over a gate structure over a substrate; forming a dielectric layer over the metal oxide layer; forming a metal layer over the metal oxide layer; and performing a chemical mechanical polish (CMP) operation to remove a portion of the dielectric layer and a portion of the metal layer, the CMP operation stopping at the metal oxide layer, wherein a slurry used in the CMP operation includes a ceria compound. The present disclosure also provides a method for planarizing a metal-dielectric surface.
    Type: Application
    Filed: May 17, 2023
    Publication date: September 14, 2023
    Inventors: CHUN-HUNG LIAO, CHUNG-WEI HSU, TSUNG-LING TSAI, CHEN-HAO WU, AN-HSUAN LEE, SHEN-NAN LEE, TENG-CHUN TSAI, HUANG-LIN CHAO
  • Patent number: 11752592
    Abstract: The present disclosure describes a method and an apparatus that can enhance the slurry oxidizability for a chemical mechanical polishing (CMP) process. The method can include securing a substrate onto a carrier of a polishing system. The method can further include dispensing, via a feeder of the polishing system, a first slurry towards a polishing pad of the polishing system. The method can further include forming a second slurry by enhancing an oxidizability of the first slurry, and performing a polishing process, with the second slurry, on the substrate.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: September 12, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chun-Hung Liao, Chen-Hao Wu, An-Hsuan Lee, Huang-Lin Chao
  • Patent number: 11756825
    Abstract: A semiconductor structure is provided, including a conductive layer, a dielectric layer over the conductive layer, a ruthenium material in the dielectric layer and in contact with a portion of the conductive layer, and a ruthenium oxide material in the dielectric layer laterally between the ruthenium material and the dielectric layer.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: September 12, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Shen-Nan Lee, Teng-Chun Tsai, Chen-Hao Wu, Chu-An Lee, Chun-Hung Liao, Tsung-Ling Tsai
  • Patent number: 11735470
    Abstract: A semiconductor device structure includes a fin structure formed over a substrate. The structure also includes a gate structure formed across the fin structure. The structure also includes a source/drain structure formed beside the gate structure. The structure also includes a contact structure formed over the source/drain structure. The structure also includes a dielectric structure extending into the contact structure. The dielectric structure and the source/drain structure are separated by the contact structure.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: August 22, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chun-Hung Liao, Lin-Yu Huang, Chia-Hao Chang, Huang-Lin Chao