Patents by Inventor Cheng-Yu Lee

Cheng-Yu Lee 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: 20240145132
    Abstract: An over-current protection device includes first and second electrode layers and a PTC material layer laminated therebetween. The PTC material layer includes a polymer matrix, and a conductive filler. The polymer matrix has a fluoropolymer. The total volume of the PTC material layer is calculated as 100%, and the fluoropolymer accounts for 47-62% by volume of the PTC material layer. The fluoropolymer has a melt viscosity higher than 3000 Pa·s.
    Type: Application
    Filed: March 16, 2023
    Publication date: May 2, 2024
    Inventors: CHENG-YU TUNG, CHEN-NAN LIU, Chia-Yuan Lee, HSIU-CHE YEN, YUNG-HSIEN CHANG, Yao-Te Chang, FU-HUA CHU
  • Publication number: 20240145133
    Abstract: An over-current protection device includes a first metal layer, a second metal layer and a heat-sensitive layer laminated therebetween. The heat-sensitive layer exhibits a positive temperature coefficient (PTC) characteristic and includes a polymer matrix and a first conductive filler. The polymer matrix includes a polyolefin-based polymer and a fluoropolymer. The fluoropolymer has a melt flow index higher than 1.9 g/10 min, and the polyolefin-based polymer and the fluoropolymer together form an interpenetrating polymer network (IPN). The first conductive filler has a metal-ceramic compound dispersed in the polymer matrix.
    Type: Application
    Filed: April 5, 2023
    Publication date: May 2, 2024
    Inventors: CHEN-NAN LIU, YUNG-HSIEN CHANG, CHENG-YU TUNG, HSIU-CHE YEN, Chia-Yuan LEE, Yao-Te CHANG, FU-HUA CHU
  • Publication number: 20240145596
    Abstract: A device includes a fin extending from a semiconductor substrate; a gate stack over the fin; a first spacer on a sidewall of the gate stack; a source/drain region in the fin adjacent the first spacer; an inter-layer dielectric layer (ILD) extending over the gate stack, the first spacer, and the source/drain region, the ILD having a first portion and a second portion, wherein the second portion of the ILD is closer to the gate stack than the first portion of the ILD; a contact plug extending through the ILD and contacting the source/drain region; a second spacer on a sidewall of the contact plug; and an air gap between the first spacer and the second spacer, wherein the first portion of the ILD extends across the air gap and physically contacts the second spacer, wherein the first portion of the ILD seals the air gap.
    Type: Application
    Filed: January 2, 2024
    Publication date: May 2, 2024
    Inventors: Su-Hao Liu, Kuo-Ju Chen, Kai-Hsuan Lee, I-Hsieh Wong, Cheng-Yu Yang, Liang-Yin Chen, Huicheng Chang, Yee-Chia Yeo, Syun-Ming Jang, Meng-Han Chou
  • Publication number: 20240136305
    Abstract: The present disclosure provides a 3D memory device such as a 3D AND flash memory and a method of forming a seal structure. The 3D memory device includes a chip region including a chip array and a seal region including a seal structure. The seal structure includes a ring-shaped stack structure disposed on a substrate and surrounding the chip array and a dummy channel pillar array penetrating through the ring-shaped stack structure and including a first dummy channel pillar group and a second dummy channel pillar group. The first dummy channel pillar group includes first dummy pillars that are arranged in a first direction and a second direction crossing the first direction to surround the chip array. The second dummy channel pillar group includes second dummy pillars that are arranged in the first direction and the second direction to surround the chip array. The first and the second dummy channel pillars are staggered with each other in the first and second directions.
    Type: Application
    Filed: October 24, 2022
    Publication date: April 25, 2024
    Applicant: MACRONIX International Co., Ltd.
    Inventors: Cheng-Yu Lee, Teng-Hao Yeh
  • Publication number: 20240127988
    Abstract: An over-current protection device includes a first metal layer, a second metal layer and a heat-sensitive layer laminated therebetween. The heat-sensitive layer exhibits a positive temperature coefficient (PTC) characteristic and includes a first polymer and a conductive filler. The first polymer consists of polyvinylidene difluoride (PVDF), and PVDF exists in different phases such as ?-PVDF, ?-PVDF and ?-PVDF. The total amount of ?-PVDF, ?-PVDF and ?-PVDF is calculated as 100%, and the amount of ?-PVDF accounts for 48% to 55%. The conductive filler has a metal-ceramic compound.
    Type: Application
    Filed: March 2, 2023
    Publication date: April 18, 2024
    Inventors: HSIU-CHE YEN, YUNG-HSIEN CHANG, CHENG-YU TUNG, Chia-Yuan Lee, CHEN-NAN LIU, Yao-Te Chang, FU-HUA CHU
  • Publication number: 20240127989
    Abstract: An over-current protection device includes a first metal layer, a second metal layer and a heat-sensitive layer laminated therebetween. The heat-sensitive layer exhibits a positive temperature coefficient (PTC) characteristic and includes a first polymer and a conductive filler. The first polymer consists of polyvinylidene difluoride (PVDF), and PVDF exists in different phases such as ?-PVDF, ?-PVDF and ?-PVDF. The total amount of ?-PVDF, ?-PVDF and ?-PVDF is calculated as 100%, and the amount of ?-PVDF accounts for 33% to 42%.
    Type: Application
    Filed: January 25, 2023
    Publication date: April 18, 2024
    Inventors: CHIA-YUAN LEE, CHENG-YU TUNG, HSIU-CHE YEN, CHEN-NAN LIU, YUNG-HSIEN CHANG, YAO-TE CHANG, FU-HUA CHU
  • Patent number: 11957667
    Abstract: Methods of treating a disease caused by a positive strand RNA virus. The methods include administering to a subject in need thereof an effective amount of a compound of Formula I or Formula II.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: April 16, 2024
    Assignee: National Health Research Institutes
    Inventors: Shiow-Ju Lee, Cheng-Wei Yang, Yue-Zhi Lee, Hsing-Yu Hsu
  • Patent number: 11955154
    Abstract: A sense amplifier circuit includes a sense amplifier, a switch and a temperature compensation circuit. The temperature compensation circuit provides a control signal having a positive temperature coefficient, based on which the switch provides reference impedance for temperature compensation. The sense amplifier includes a first input end coupled to a target bit and a second input end coupled to the switch. The sense amplifier outputs a sense amplifier signal based on the reference impedance and the impedance of the target bit.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: April 9, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Cheng-Tung Huang, Jen-Yu Wang, Po-Chun Yang, Yi-Ting Wu, Yung-Ching Hsieh, Jian-Jhong Chen, Chia-Wei Lee
  • Publication number: 20240113856
    Abstract: The present invention provides an encryption determining method. The method includes the following steps: receiving a side channel signal; generating a filtered side channel signal by filtering noise within the side channel signal; generating a phasor signal by utilizing a filter to covert the filtered side channel signal; locating the encrypted segment by calculating a periodicity of the phasor signal utilizing a standard deviation window; extracting at least one encrypted characteristic from the encrypted segment; and generating an encryption analytic result by recognizing the at least one encrypted characteristic according to a characteristic recognition model; wherein the encryption analytic result includes a position of the encrypted segment within the side channel signal, and an encryption type corresponding to the side channel signal. The present invention is able to automatically and efficiently locate the encryption segment and analyze the encryption type corresponding to the side channel signal.
    Type: Application
    Filed: October 31, 2022
    Publication date: April 4, 2024
    Applicant: INSTITUTE FOR INFORMATION INDUSTRY
    Inventors: Jian-Wei LIAO, Cheng-En LEE, Ting-Yu LIN
  • Publication number: 20240097011
    Abstract: A method includes forming a fin structure over a substrate, wherein the fin structure comprises first semiconductor layers and second semiconductor layers alternately stacked over a substrate; forming a dummy gate structure over the fin structure; removing a portion of the fin structure uncovered by the dummy gate structure; performing a selective etching process to laterally recess the first semiconductor layers, including injecting a hydrogen-containing gas from a first gas source of a processing tool to the first semiconductor layers and the second semiconductor layers; and injecting an F2 gas from a second gas source of the processing tool to the first semiconductor layers and the second semiconductor layers; forming inner spacers on opposite end surfaces of the laterally recessed first semiconductor layers of the fin structure; and replacing the dummy gate structure and the first semiconductor layers with a metal gate structure.
    Type: Application
    Filed: December 1, 2023
    Publication date: March 21, 2024
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY LIMITED
    Inventors: Han-Yu LIN, Fang-Wei LEE, Kai-Tak LAM, Raghunath PUTIKAM, Tzer-Min SHEN, Li-Te LIN, Pinyen LIN, Cheng-Tzu YANG, Tzu-Li LEE, Tze-Chung LIN
  • Publication number: 20240076422
    Abstract: A supported metallocene catalyst includes a carrier and a metallocene component. The carrier includes an inorganic oxide particle and an alkyl aluminoxane material. The inorganic oxide particle includes at least one inorganic oxide compound selected from the group consisting of an oxide of Group 3A and an oxide of Group 4A. The alkyl aluminoxane material includes an alkyl aluminoxane compound and an alkyl aluminum compound that is present in amount ranging from greater than 0.01 wt % to less than 14 wt % base on 100 wt % of the alkyl aluminoxane material. The metallocene component is supported on the carrier, and includes one of a metallocene compound containing a metal from Group 3B, a metallocene compound containing a metal from Group 4B, and a combination thereof. A method for preparing the supported metallocene catalyst and a method for preparing polyolefin using the supported metallocene catalyst are also disclosed.
    Type: Application
    Filed: September 1, 2023
    Publication date: March 7, 2024
    Inventors: Jing-Cherng TSAI, Jen-Long WU, Wen-Hao KANG, Kuei-Pin LIN, Jing-Yu LEE, Jun-Ye HONG, Zih-Yu SHIH, Cheng-Hung CHIANG, Gang-Wei SHEN, Yu-Chuan SUNG, Chung-Hua WENG, Hsing-Ya CHEN
  • Patent number: 11899945
    Abstract: A method for performing communications specification version control of a memory device in predetermined communications architecture with aid of compatibility management, associated apparatus and computer-readable medium are provided.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: February 13, 2024
    Assignee: Silicon Motion, Inc.
    Inventors: Hong-Ren Fang, Chun-Che Yang, Cheng-Yu Lee, Te-Kai Wang
  • Publication number: 20230413552
    Abstract: A three-dimensional flash memory device may be a AND flash memory device. The three-dimensional flash memory device includes: a substrate, a gate stack structure, a plurality of slit structures, a plurality of memory arrays, and a plurality of conductive pillars. The gate stack structure is located above the substrate. The plurality of slit structures extend through the gate stack structure and divide the gate stack structure into a plurality of blocks. The plurality of memory arrays are disposed in the gate stack structure of the plurality of blocks. The plurality of conductive pillars extends through the gate stack structure in the plurality of blocks, and disposed between the plurality of memory arrays and between the plurality of slit structures.
    Type: Application
    Filed: June 21, 2022
    Publication date: December 21, 2023
    Applicant: MACRONIX International Co., Ltd.
    Inventors: Hang-Ting Lue, Teng Hao Yeh, Cheng-Yu Lee, Wei-Chen Chen
  • Patent number: 11755439
    Abstract: A memory controller coupled to a memory device and configured to control access operations of the memory device includes a host interface and a microprocessor. The microprocessor is coupled to the host interface and configured to set a value of a predetermined parameter to a specific value after the memory controller powers up and start to perform a link flow to try to establish a transmission link via the host interface. The predetermined parameter is one of a plurality of capability parameters of the host interface and the predetermined parameter is related to reception of the host interface. After the link flow is completed, the microprocessor is further configured to identify an object device with which the host interface establishes the transmission link according to the specific value and at least one of a plurality of attribute parameters associated with the transmission link.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: September 12, 2023
    Assignee: Silicon Motion, Inc.
    Inventors: Cheng-Yu Lee, Te-Kai Wang
  • Publication number: 20230265635
    Abstract: A multi-piece pre-assembled raft foundation is provided and includes pre-assemble bottom layer rebars of foundation slab, foundation steel columns, upper layer rebars of the foundation slab, and foundation rebars. The pre-assembled raft foundation is transported to a construction site for final assembly. A construction method of the multi-piece pre-assembled raft foundation is also provided.
    Type: Application
    Filed: February 17, 2023
    Publication date: August 24, 2023
    Inventors: Fu-Yuan Lu, Ju-Chuan Ko, Ying-Ying Lu, Chien-Hui Lu, Cheng-Yu Lee, Mei-Hua Chien, Guang-Le Su, Sen Taner
  • Publication number: 20230217655
    Abstract: A three-dimensional AND flash memory device includes a gate stack structure and a silt. The silt extends along a first direction and divides the gate stack structure into a plurality of sub-blocks. Each sub-block includes a plurality of rows, and each row includes a plurality of channel pillars, a plurality of charge storage structures, and a plurality of pairs of conductive pillars. The plurality of pairs of conductive pillars are arranged in the plurality of channel pillars and penetrate the gate stack structure, and are respectively connected to the plurality of channel pillars. Each pair of conductive pillars includes a first conductive pillar and a second conductive pillar separated from each other along a second direction. There is an acute angle between the second direction and the first direction.
    Type: Application
    Filed: January 6, 2022
    Publication date: July 6, 2023
    Applicant: MACRONIX International Co., Ltd.
    Inventors: Cheng-Yu Lee, Teng-Hao Yeh
  • Publication number: 20230105153
    Abstract: A method for performing communications specification version control of a memory device in predetermined communications architecture with aid of compatibility management, associated apparatus and computer-readable medium are provided.
    Type: Application
    Filed: March 28, 2022
    Publication date: April 6, 2023
    Applicant: Silicon Motion, Inc.
    Inventors: Hong-Ren Fang, Chun-Che Yang, Cheng-Yu Lee, Te-Kai Wang
  • Patent number: 11611801
    Abstract: The present invention provides a control method applied to an electronic device is disclosed, wherein the electronic device includes a processor and a wireless network module, and the control method includes the steps of: generating a determination result by determining if the wireless network module needs to transmit a packet; and when the determination result indicates that the wireless network module needs to transmit the packet, reducing a frequency of a clock signal used by the processor during a packet transmission.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: March 21, 2023
    Assignee: Realtek Semiconductor Corp.
    Inventors: Zhen-Rong Chen, Cheng-Yu Lee, Chia-Chi Yeh, Ming-Tsung Tsai
  • Publication number: 20220405179
    Abstract: A memory controller coupled to a memory device and configured to control access operations of the memory device includes a host interface and a microprocessor. The microprocessor is coupled to the host interface and configured to set a value of a predetermined parameter to a specific value after the memory controller powers up and start to perform a link flow to try to establish a transmission link via the host interface. The predetermined parameter is one of a plurality of capability parameters of the host interface and the predetermined parameter is related to reception of the host interface. After the link flow is completed, the microprocessor is further configured to identify an object device with which the host interface establishes the transmission link according to the specific value and at least one of a plurality of attribute parameters associated with the transmission link.
    Type: Application
    Filed: March 22, 2022
    Publication date: December 22, 2022
    Applicant: Silicon Motion, Inc.
    Inventors: Cheng-Yu Lee, Te-Kai Wang
  • Publication number: 20220319865
    Abstract: An interconnect structure for insertion loss reduction in signal transmission and a method thereof are disclosed. In an embodiment, an interconnect is formed on a substrate by chemical etching process, and when the interconnect is protected by photoresist in chemical etching process, the etching direction of etching solution is not oriented, so undercut areas are respectively formed on both sides of a bottom of the interconnect at contact of the interconnect and the substrate because of etching solution residue after the etching process. An included angle formed in the undercut area between the interconnect and the substrate is defined as an etch angle, and a length of the portion, exposing in the undercut area, of the substrate is defined as an etch length. Controlling sizes of the etch angle and the etch length can reduce an insertion loss in signal transmission.
    Type: Application
    Filed: August 31, 2021
    Publication date: October 6, 2022
    Inventors: Cheng EN HO, Shun Cheng CHANG, Jun Chou YU, Cheng Yu LEE, Chien Chang HUANG