Patents by Inventor Ji Cheng

Ji Cheng 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: 20240145379
    Abstract: Methods and semiconductor devices are provided. A method includes determining a location of a polyimide opening (PIO) corresponding to an under-bump metallization (UBM) feature in a die. The die includes a substrate and an interconnect structure over the substrate. The method also includes determining a location of a stacked via structure in the interconnect structure based on the location of the PIO. The method further includes forming, in the interconnect structure, the stacked via structure comprising at most three stacked contact vias at the location of the PIO.
    Type: Application
    Filed: February 23, 2023
    Publication date: May 2, 2024
    Inventors: Yen-Kun Lai, Wei-Hsiang Tu, Ching-Ho Cheng, Cheng-Nan Lin, Chiang-Jui Chu, Chien Hao Hsu, Kuo-Chin Chang, Mirng-Ji Lii
  • Patent number: 11967579
    Abstract: A method for forming a package structure is provided. The method includes etching a top surface of a substrate to form a cavity. The substrate includes thermal vias directly under a bottom surface of the cavity. The method also includes forming at least one first electronic device in the cavity of the substrate. The first electronic device is thermally coupled to the thermal vias. The method further includes forming an encapsulating material in the cavity, so that the encapsulating material extends along sidewalls of the first electronic device and covers a surface of the first electronic device opposite the bottom surface of the cavity. In Addition, the method includes forming an insulating layer having an RDL structure over the encapsulating material. The RDL structure is electrically connected to the first electronic device.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: April 23, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD
    Inventors: Po-Hao Tsai, Ming-Da Cheng, Mirng-Ji Lii
  • Publication number: 20240124307
    Abstract: The present disclosure provides a method for preparing lithium iron phosphate from ferric hydroxyphosphate, including: purifying ferrous sulfate to form a ferrous sulfate solution, adding hydrogen peroxide, phosphoric acid, an ammonium dihydrogen phosphate solution and ammonia water into the ferrous sulfate solution and then reacting to form a mixed slurry, holding the mixed slurry at a temperature for a period of time, and then washing with water and subjecting to press filtration to form ferric hydroxyphosphate precursors with different iron-phosphorus ratios; then flash drying, sintering at a high temperature, and pulverizing to obtain ferric hydroxyphosphate precursors with different iron-phosphorus ratios and different specific surface areas.
    Type: Application
    Filed: December 27, 2023
    Publication date: April 18, 2024
    Inventors: Jie Sun, Ji Yang, Yihua Wei, Zhonglin He, Jianhao He, Zhongzhu Xu, Jing Mei, Guangchun Cheng, Shuo Lin, Cheng Xu, Pingjun Lin, Menghua Yu, Bin Wang, Xiaoting Wang, Chao Liu, Yuan Yao
  • Publication number: 20240125713
    Abstract: A method includes directing light at a first side of a semiconductor structure; detecting a first light intensity at a second side of the semiconductor structure, wherein the first light intensity corresponds to the light that penetrated the semiconductor structure from the first side to the second side; and comparing the first light intensity to a second light intensity, wherein the second light intensity corresponds to an expected intensity of light.
    Type: Application
    Filed: January 10, 2023
    Publication date: April 18, 2024
    Inventors: Hao Chun Yang, Ming-Da Cheng, Pei-Wei Lee, Mirng-Ji Lii
  • Publication number: 20240130055
    Abstract: This disclosure relates to a combined power module that includes a base structure, a terminal structure, a second terminal, and a cover. The terminal structure includes a mount assembly and a plurality of first terminals. The mount assembly is assembled on the base structure. The first terminals are disposed on the mount assembly. The second terminal is disposed on the base structure. The cover is disposed on the base structure and covers at least part of the first terminals and at least part of the second terminal.
    Type: Application
    Filed: March 2, 2023
    Publication date: April 18, 2024
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yuan-Cheng HUANG, I-Hung CHIANG, Ji-Yuan SYU, Hsin-Han LIN, Po-Kai CHIU, Kuo-Shu KAO
  • Patent number: 11961944
    Abstract: A semiconductor device and a manufacturing method thereof are provided. The semiconductor device includes a semiconductor substrate, active devices and transparent conductive patterns. The active devices are formed on the semiconductor substrate. The transparent conductive patterns are formed over the active devices and electrically connected to the active devices. The transparent conductive patterns are made of a metal oxide material. The metal oxide material has a first crystalline phase with a prefer growth plane rich in oxygen vacancy, and has a second crystalline phase with a prefer growth plane poor in oxygen vacancy.
    Type: Grant
    Filed: January 31, 2023
    Date of Patent: April 16, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chen-En Yen, Ming-Da Cheng, Mirng-Ji Lii, Wen-Hsiung Lu, Cheng-Jen Lin, Chin-Wei Kang, Chang-Jung Hsueh
  • Patent number: 11955309
    Abstract: An automatic adjustment method and an automatic adjustment device of a beam of a semiconductor apparatus, and a training method of a parameter adjustment model are provided. The automatic adjustment method of the beam of the semiconductor apparatus includes the following steps. The semiconductor apparatus generates the beam. A wave curve of the beam is obtained. The wave curve is segmented into several sections. The slope of each of the sections is obtained. Several environmental factors of the semiconductor apparatus are obtained. According to the slopes and the environmental factors, at least one parameter adjustment command of the semiconductor apparatus is analyzed through the parameter adjustment model.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: April 9, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Zheng-Yang Li, Chian-Chen Kuo, Yi-Cheng Lu, Ji-Fu Kung
  • Publication number: 20240105546
    Abstract: A module device on a first substrate includes a power module, a housing, a pair of locking structures. The housing covers the power module. The locking structures are installed on a pair of opposite sides of the housing, and the locking structure includes a main body, a locking ring, a pair of ribs and anchoring portions. The locking ring extends from a side toward an inner side of the main body, and is a double-ring structure, which includes an inner and an outer ring. A first side of the outer ring is connected to the main body, a second side of the outer ring is connected to the inner ring. The ribs extend along a normal direction of the top surface of the main body. The anchoring portions are disposed at the end of the ribs, and an extending direction is perpendicular to an extending direction of the rib.
    Type: Application
    Filed: January 10, 2023
    Publication date: March 28, 2024
    Applicant: Industrial Technology Research Institute
    Inventors: Ji-Yuan Syu, Yuan-Cheng Huang, Yu-Chih Wang
  • Publication number: 20240096883
    Abstract: A method of manufacturing a gate structure includes at least the following steps. A gate dielectric layer is formed. A work function layer is deposited on the gate dielectric layer. A barrier layer is formed on the work function layer. A metal layer is deposited on the barrier layer to introduce fluorine atoms into the barrier layer. The barrier layer is formed by at least the following steps. A first TiN layer is formed on the work function layer. A top portion of the first TiN layer is converted into a trapping layer, and the trapping layer includes silicon atoms or aluminum atoms. A second TiN layer is formed on the trapping layer.
    Type: Application
    Filed: November 29, 2023
    Publication date: March 21, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ji-Cheng Chen, Ching-Hwanq Su, Kuan-Ting Liu, Shih-Hang Chiu
  • Publication number: 20240096647
    Abstract: A method includes forming a first package component, which formation process includes forming a first plurality of openings in a first dielectric layer, depositing a first metallic material into the first plurality of openings, performing a planarization process on the first metallic material and the first dielectric layer to form a plurality of metal pads in the first dielectric layer, and selectively depositing a second metallic material on the plurality of metal pads to form a plurality of bond pads. The first plurality of bond pads comprise the plurality of metal pads and corresponding parts of the second metallic material. The first package component is bonded to a second package component.
    Type: Application
    Filed: November 28, 2023
    Publication date: March 21, 2024
    Inventors: Mirng-Ji Lii, Chen-Shien Chen, Lung-Kai Mao, Ming-Da Cheng, Wen-Hsiung Lu
  • Publication number: 20240088144
    Abstract: A gate structure includes a metal layer, a barrier layer, and a work function layer. The barrier layer covers a bottom surface and sidewalls of the metal layer. The barrier layer includes fluorine and silicon, or fluorine and aluminum. The barrier layer is a tri-layered structure. The work function layer surrounds the barrier layer.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 14, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ji-Cheng Chen, Ching-Hwanq Su, Kuan-Ting Liu, Shih-Hang Chiu
  • Publication number: 20240088119
    Abstract: Provided are a package structure and a method of forming the same. The method includes providing a first package having a plurality of first dies and a plurality of second dies therein; performing a first sawing process to cut the first package into a plurality of second packages, wherein one of the plurality of second packages comprises three first dies and one second die; and performing a second sawing process to remove the second die of the one of the plurality of second packages, so that a cut second package is formed into a polygonal structure with the number of nodes greater than or equal to 5.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Wei-Hung Lin, Hui-Min Huang, Chang-Jung Hsueh, Wan-Yu Chiang, Ming-Da Cheng, Mirng-Ji Lii
  • Patent number: 11923414
    Abstract: A method of forming semiconductor devices having improved work function layers and semiconductor devices formed by the same are disclosed. In an embodiment, a method includes depositing a gate dielectric layer on a channel region over a semiconductor substrate; depositing a first p-type work function metal on the gate dielectric layer; performing an oxygen treatment on the first p-type work function metal; and after performing the oxygen treatment, depositing a second p-type work function metal on the first p-type work function metal.
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: March 5, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Hsin-Yi Lee, Ji-Cheng Chen, Chi On Chui
  • Patent number: 11917230
    Abstract: A system and method for maximizing bandwidth in an uplink for a 5G communication system is disclosed. Multiple end devices generate image streams. A gateway is coupled to the end devices. The gateway includes a gateway monitor agent collecting utilization rate data of the gateway and an image inspector collecting inspection data from the received image streams. An edge server is coupled to the gateway. The edge server includes an edge server monitor agent collecting utilization rate data of the edge server. An analytics manager is coupled to the gateway and the edge server. The analytics manager is configured to determine an allocation strategy based on the collected utilization rate data from the gateway and the edge server.
    Type: Grant
    Filed: October 6, 2021
    Date of Patent: February 27, 2024
    Assignee: Quanta Cloud Technology Inc.
    Inventors: Yi-Neng Zeng, Keng-Cheng Liu, Wei-Ming Huang, Shih-Hsun Lai, Ji-Jeng Lin, Chia-Jui Lee, Liao Jin Xiang
  • Patent number: 11916124
    Abstract: A device includes a first nanostructure; a second nanostructure over the first nanostructure; a first high-k gate dielectric disposed around the first nanostructure; a second high-k gate dielectric being disposed around the second nanostructure; and a gate electrode over the first high-k gate dielectric and the second high-k gate dielectric. A portion of the gate electrode between the first nanostructure and the second nanostructure comprises a first portion of a p-type work function metal filling an area between the first high-k gate dielectric and the second high-k gate dielectric.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: February 27, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Hsin-Yi Lee, Ji-Cheng Chen, Cheng-Lung Hung, Chi On Chui
  • Patent number: 11855083
    Abstract: A gate structure includes a gate dielectric layer, a work function layer, a metal layer, and a barrier layer. The work function layer is surrounded by the gate dielectric layer. The metal layer is disposed over the work function layer. The barrier layer is surrounded by the work function layer and surrounds the metal layer. The barrier layer includes fluorine and silicon, or fluorine and aluminum. The barrier layer is a tri-layered structure.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: December 26, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ji-Cheng Chen, Ching-Hwanq Su, Kuan-Ting Liu, Shih-Hang Chiu
  • Publication number: 20230343822
    Abstract: In an embodiment, a device includes: a first nanostructure; a gate dielectric layer around the first nanostructure; a first p-type work function tuning layer on the gate dielectric layer; a dielectric barrier layer on the first p-type work function tuning layer; and a second p-type work function tuning layer on the dielectric barrier layer, the dielectric barrier layer being thinner than the first p-type work function tuning layer and the second p-type work function tuning layer.
    Type: Application
    Filed: July 19, 2022
    Publication date: October 26, 2023
    Inventors: Hsin-Yi Lee, Ji-Cheng Chen, Weng Chang, Chi On Chui
  • Publication number: 20230282712
    Abstract: A method includes forming a dummy gate stack over a semiconductor region, forming a source/drain region on a side of the dummy gate stack, removing the dummy gate stack to form a trench, with the semiconductor region being exposed to the trench, forming a gate dielectric layer extending into the trench, and depositing a work-function tuning layer on the gate dielectric layer. The work-function tuning layer comprises aluminum and carbon. The method further includes depositing a p-type work-function layer over the work-function tuning layer, and performing a planarization process to remove excess portions of the p-type work-function layer, the work-function tuning layer, and the gate dielectric layer to form a gate stack.
    Type: Application
    Filed: June 1, 2022
    Publication date: September 7, 2023
    Inventors: Hsin-Yi Lee, Yen-Tien Tung, Ji-Cheng Chen, Weng Chang, Chi On Chui
  • Patent number: 11612074
    Abstract: A waterproofing structure is disposed between a first assembling component and a second assembling component of an electronic device. The second assembling component is detachably installed on the first assembling component. The waterproofing structure includes a sealing component, an abutting component and a sliding component. The sealing component is located between the first assembling component and the second assembling component. The abutting component is fixed on the second assembling component. The sliding component is slidably installed on the first assembling component. When the sliding component slides along a first direction, the sliding component forces the abutting component to drive the second assembling component to move toward the first assembling component, so that the sealing component is pressed by the first assembling component and the second assembling component.
    Type: Grant
    Filed: May 31, 2020
    Date of Patent: March 21, 2023
    Assignee: Wistron Corporation
    Inventors: Ji-Cheng Liao, Chang-Feng Lan, Hung-Sen Yang
  • Publication number: 20230015761
    Abstract: A semiconductor device with different gate structure configurations and a method of fabricating the same are disclosed. The semiconductor device includes a fin structure disposed on a substrate, a nanostructured channel region disposed on the fin structure, and a gate-all-around (GAA) structure surrounding the nanostructured channel region. The GAA structure includes a high-K (HK) gate dielectric layer with a metal doped region having dopants of a first metallic material, a p-type work function metal (pWFM) layer disposed on the HK gate dielectric layer, a bimetallic nitride layer interposed between the HK gate dielectric layer and the pWFM layer, an n-type work function metal (nWFM) layer disposed on the pWFM layer, and a gate metal fill layer disposed on the nWFM layer. The pWFM layer includes a second metallic material and the bimetallic nitride layer includes the first and second metallic materials.
    Type: Application
    Filed: July 28, 2022
    Publication date: January 19, 2023
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Hsin-Yi LEE, Cheng-Lung HUNG, Ji-Cheng CHEN, Weng CHANG, Chi On CHUI