Patents by Inventor Chung Lu

Chung Lu 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: 20250210452
    Abstract: Packaged semiconductor devices including high-thermal conductivity molding compounds and methods of forming the same are disclosed. In an embodiment, a semiconductor device includes a first redistribution structure; a first die over and electrically coupled to the first redistribution structure; a first through via over and electrically coupled to the first redistribution structure; an insulation layer extending along the first redistribution structure, the first die, and the first through via; and an encapsulant over the insulation layer, the encapsulant surrounding portions of the first through via and the first die, the encapsulant including conductive fillers at a concentration ranging from 70% to about 95% by volume.
    Type: Application
    Filed: February 21, 2025
    Publication date: June 26, 2025
    Inventors: Xinyu Bao, Lee-Chung Lu, Jyh Chwen Frank Lee, Fong-Yuan Chang, Sam Vaziri, Po-Hsiang Huang
  • Publication number: 20250192758
    Abstract: A data retention circuit includes a flip-flop circuit including a master latch coupled to a slave latch, wherein the slave latch includes a first input terminal and a first output terminal, and a series combination of a retention latch and a level shifter coupled between the first input terminal and the first output terminal. The slave latch is configured to be selectively coupled to the series combination through a first transmission gate responsive to a restore signal.
    Type: Application
    Filed: February 20, 2025
    Publication date: June 12, 2025
    Inventors: Kai-Chi HUANG, Yung-Chen CHIEN, Chi-Lin LIU, Wei-Hsiang MA, Jerry Chang Jui KAO, Shang-Chih HSIEH, Lee-Chung LU
  • Publication number: 20250174552
    Abstract: A semiconductor device includes a transistor layer including gate structures arranged at a pitch in a first direction and extending in a second direction substantially perpendicular to the first direction; a first via layer over the transistor layer; a first conductor layer over the first via layer, the first conductor layer including first conductors extending in the first direction; a second via layer over the first conductor layer; a second conductor layer over the second via layer, the second conductor layer including second conductors extending in the second direction; and a deep via extending from one of the gate structures to one of the second conductors, and including conductive portions in the first via layer, the first conductor layer, and the second via layer. The conductive portion of the deep via in the first conductor layer has a length in the first direction that is substantially less than the pitch.
    Type: Application
    Filed: January 27, 2025
    Publication date: May 29, 2025
    Inventors: Ta-Pen GUO, Chien-Ying CHEN, Li-Chun TIEN, Lee-Chung LU
  • Patent number: 12317589
    Abstract: A method includes fabricating a first-voltage underlayer power rail conductively connecting to the source region of a first-type transistor and fabricating a second-voltage underlayer power rail conductively connecting to the source region of a second-type transistor. Each of the first-voltage and second-voltage underlayer power rails extends in a first direction. The method also includes patterning a first connection layer to form a first-voltage power rail and a second-voltage power rail extending in the second direction which is perpendicular to the first direction. The first-voltage power rail is directly connected with the first-voltage underlayer power rail through a first via-connector and the second-voltage power rail is directly connected with the second-voltage underlayer power rail through a second via-connector.
    Type: Grant
    Filed: April 22, 2024
    Date of Patent: May 27, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Guo-Huei Wu, Shih-Wei Peng, Wei-Cheng Lin, Hui-Zhong Zhuang, Chih-Liang Chen, Li-Chun Tien, Lee-Chung Lu
  • Patent number: 12315861
    Abstract: An integrated circuit structure includes a first transistor, a second transistor, a first conductive via, a second conductive via, and a connection line. The first transistor includes a first active region, a first gate electrode over the first active region; and a first channel in the first active region and under the first gate electrode. The second transistor includes a second active region, a second gate electrode over the second active region, and a second channel in the second active region and under the second gate electrode. The first conductive via is electrically connected to the first gate electrode. The second conductive via is electrically connected to the second gate electrode. The connection line electrically connects the first and second conductive vias. The first transistor and the first conductive via and the second transistor and the second conductive via are arranged mirror-symmetrically with respect to a symmetry plane.
    Type: Grant
    Filed: May 4, 2023
    Date of Patent: May 27, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Wei-Ling Chang, Lee-Chung Lu, Xiangdong Chen, Kam-Tou Sio, Hsiang-Chi Huang
  • Patent number: 12315862
    Abstract: An integrated circuit device includes a device layer having devices spaced in accordance with a predetermined device pitch, a first metal interconnection layer disposed above the device layer and coupled to the device layer, and a second metal interconnection layer disposed above the first metal interconnection layer and coupled to the first metal interconnection layer through a first via layer. The second metal interconnection layer has metal lines spaced in accordance with a predetermined metal line pitch, and a ratio of the predetermined metal line pitch to predetermined device pitch is less than 1.
    Type: Grant
    Filed: March 4, 2024
    Date of Patent: May 27, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Fong-yuan Chang, Chun-Chen Chen, Po-Hsiang Huang, Lee-Chung Lu, Chung-Te Lin, Jerry Chang Jui Kao, Sheng-Hsiung Chen, Chin-Chou Liu
  • Patent number: 12301228
    Abstract: An integrated circuit includes a flip-flop circuit and a gating circuit. The flip-flop circuit is arranged to receive an input data for generating a master signal during a writing mode according to a first clock signal and a second clock signal, and to output an output data according to the first clock signal and the second clock signal during a storing mode. The gating circuit is arranged for generating the first clock signal and the second clock signal according to the master signal and an input clock signal. When the input clock signal is at a signal level, the first clock signal and the second clock signal are at different logic levels. When the input clock signal is at another signal level, the first clock signal and the second clock signal are at a same logic level determined according to a signal level of the master signal.
    Type: Grant
    Filed: April 24, 2024
    Date of Patent: May 13, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Greg Gruber, Chi-Lin Liu, Ming-Chang Kuo, Lee-Chung Lu, Shang-Chih Hsieh
  • Patent number: 12277378
    Abstract: An IC structure includes a first cell and a first and second rail. The first cell includes a first and second active region and a first, a second and a third gate structure. The first active region having a first dopant type. The second active region having a second dopant type. The first gate structure extending in a second direction, overlapping the first or the second active region. The second gate structure extending in the second direction, and overlapping a first edge of the first or second active region. The third gate structure extending in the second direction, and overlapping at least a second edge of the first or second active region. The first rail extending in the first direction and overlapping a middle portion of the first active region. The second rail extending in the first direction and overlapping a middle portion of the second active region.
    Type: Grant
    Filed: July 31, 2023
    Date of Patent: April 15, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Hui-Zhong Zhuang, Ting-Wei Chiang, Li-Chun Tien, Shun Li Chen, Lee-Chung Lu
  • Publication number: 20250120176
    Abstract: A semiconductor device includes a plurality of standard cells. The plurality of standard cells include a first group of standard cells arranged in a first row extending in a row direction and a second group of standard cells arranged in a second row extending in the row direction. The first group of standard cells and the second group of standard cells are arranged in a column direction. A cell height of the first group of standard cells in the column direction is different from a cell height of the second group of standard cells in the column direction.
    Type: Application
    Filed: December 19, 2024
    Publication date: April 10, 2025
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ta-Pen GUO, Lee-Chung LU, Li-Chun TIEN
  • Patent number: 12261133
    Abstract: A method is provided for forming an integrated circuit (IC) chip package structure. The method includes: providing an interposer having a front surface and a back surface, the interposer comprising a substrate, at least one routing region, and at least one non-routing region; forming at least one warpage-reducing trench in the at least one non-routing region, wherein the at least one warpage-reducing trench extends from the front surface of the interposer to a first depth, the first depth smaller than a thickness between the front surface and the back surface of the interposer; depositing a warpage-relief material in the at least one warpage-reducing trench; and bonding the group of IC dies to the front surface of the interposer.
    Type: Grant
    Filed: April 8, 2024
    Date of Patent: March 25, 2025
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tsung-Yang Hsieh, Chien-Chang Lee, Chia-Ping Lai, Wen-Chung Lu, Cheng-Kang Huang, Mei-Shih Kuo, Chih-Ai Huang
  • Patent number: 12261095
    Abstract: Packaged semiconductor devices including high-thermal conductivity molding compounds and methods of forming the same are disclosed. In an embodiment, a semiconductor device includes a first redistribution structure; a first die over and electrically coupled to the first redistribution structure; a first through via over and electrically coupled to the first redistribution structure; an insulation layer extending along the first redistribution structure, the first die, and the first through via; and an encapsulant over the insulation layer, the encapsulant surrounding portions of the first through via and the first die, the encapsulant including conductive fillers at a concentration ranging from 70% to about 95% by volume.
    Type: Grant
    Filed: November 1, 2023
    Date of Patent: March 25, 2025
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Xinyu Bao, Lee-Chung Lu, Jyh Chwen Frank Lee, Fong-Yuan Chang, Sam Vaziri, Po-Hsiang Huang
  • Patent number: 12243867
    Abstract: An IC device includes first through third active areas extending in a first direction and a first gate structure extending perpendicular to and overlying each of the first through third active areas. Each of the first through third active areas includes a first portion adjacent to the first gate structure in the first direction and a second portion adjacent to the first portion and including an endpoint of the corresponding active area, the first active area is positioned between the second and third active areas and includes the endpoint positioned under the first gate structure, and each of the second and third active areas includes the endpoint positioned away from the gate structure in a second direction opposite to the first direction.
    Type: Grant
    Filed: August 1, 2023
    Date of Patent: March 4, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chien-Ying Chen, Lee-Chung Lu, Li-Chun Tien, Ta-Pen Guo
  • Patent number: 12243914
    Abstract: A method (of generating a layout diagram, the layout diagram being stored on a non-transitory computer-readable medium) includes: selecting first and second standard cells from a standard-cell-library; the first and second standard cells having corresponding first and second heights that are different from each other; stacking the first standard cell on the second standard cell to form a third cell; and including the third cell in a layout diagram. At least one aspect of the method is executed by a processor of a computer.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: March 4, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Jung-Chan Yang, Hui-Zhong Zhuang, Lee-Chung Lu, Ting-Wei Chiang, Li-Chun Tien
  • Patent number: 12211791
    Abstract: A semiconductor device includes a transistor layer, a first via layer over the transistor layer, a first metallization layer over the first via layer, the first metallization layer including first conductors having long axes extending substantially in a first direction, a second via layer over the first metallization layer, and a conductive deep via extending in the second via layer, the first metallization layer, and the first via layer. The first conductors represent a majority of conductive material in the first metallization layer, and a size of the deep via in the first direction in the first metallization layer is substantially less than a minimum length of the first conductors in the first metallization layer.
    Type: Grant
    Filed: November 22, 2023
    Date of Patent: January 28, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ta-Pen Guo, Chien-Ying Chen, Li-Chun Tien, Lee-Chung Lu
  • Patent number: 12211851
    Abstract: A semiconductor device includes a plurality of standard cells. The plurality of standard cells include a first group of standard cells arranged in a first row extending in a row direction and a second group of standard cells arranged in a second row extending in the row direction. The first group of standard cells and the second group of standard cells are arranged in a column direction. A cell height of the first group of standard cells in the column direction is different from a cell height of the second group of standard cells in the column direction.
    Type: Grant
    Filed: February 13, 2024
    Date of Patent: January 28, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ta-Pen Guo, Lee-Chung Lu, Li-Chun Tien
  • Patent number: 12190034
    Abstract: A logic circuit (for providing a multibit flip-flop (MBFF) function) includes: a first inverter to receive a clock signal and generate a corresponding clock_bar signal; a second inverter to receive the clock_bar signal and generate a corresponding clock_bar_bar signal; a third inverter to receive a control signal and generate a corresponding control_bar signal; and a series-chain of 1-bit transfer flip-flop (TXFF) circuits, each including: a NAND circuit to receive data signals; and a 1-bit transmit gate flip-flop (TGFF) circuit to output signals Q and q, and receive an output of the NAND circuit, the signal q from the TGFF circuit of a preceding TXFF circuit in the series-chain, the clock_bar and clock_bar_bar signals, and the control and control_bar signals; and the first transfer TXFF circuit in the series-chain being configured to receive a start signal in place of the signal q from an otherwise preceding TGFF circuit.
    Type: Grant
    Filed: July 31, 2023
    Date of Patent: January 7, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chi-Lin Liu, Jerry Chang-Jui Kao, Wei-Hsiang Ma, Lee-Chung Lu, Fong-Yuan Chang, Sheng-Hsiung Chen, Shang-Chih Hsieh
  • Patent number: 12176394
    Abstract: A semiconductor device includes: fins configured to include: first active fins having a first conductivity type; and second active fins having a second conductivity type; and at least one gate structure formed over corresponding ones of the fins; and wherein the fins and the at least one gate structure are located in at least one cell region; and each cell region, relative to the second direction, including: a first active region which includes a sequence of three or more consecutive first active fins located in a central portion of the cell region; a second active region which includes one or more second active fins located between the first active region and a first edge of the cell region; and a third active region which includes one or more second active fins located between the first active region and a second edge of the cell region.
    Type: Grant
    Filed: July 25, 2023
    Date of Patent: December 24, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Jung-Chan Yang, Hui-Zhong Zhuang, Lee-Chung Lu, Ting-Wei Chiang, Li-Chun Tien
  • Publication number: 20240395639
    Abstract: A package comprises an interposer, comprising an interposer substrate including at least one layer, and a plurality of RDLs formed through at least a portion of the interposer substrate. The package also includes a die device structure comprising at least one device die, and a first test line (TL) structure interposed between the interposer and the die device structure. The first TL structure includes at least one first test line electrically coupled to the at least one device die, at least a portion of the at least one first test line extending beyond a peripheral edge of the die device structure to provide an electrical interface with the at least one device die.
    Type: Application
    Filed: July 31, 2024
    Publication date: November 28, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tsung-Yang Hsieh, Chien-Chang Lee, Chia-Ping Lai, Wen-Chung Lu, Cheng-Kang Huang, Mei-Shih Kuo, Alice Huang
  • Publication number: 20240387373
    Abstract: An integrated circuit includes a cell that is between a substrate and a supply conductive line and that includes a source region, a contact conductive line, a power conductive line, and a power via. The contact conductive line extends from the source region. The power conductive line is coupled to the contact conductive line. The power via interconnects the supply conductive line and the power conductive line.
    Type: Application
    Filed: July 29, 2024
    Publication date: November 21, 2024
    Inventors: Sheng-Hsiung Chen, Chung-Hsing Wang, Fong-yuan Chang, Lee-Chung Lu, Li-Chun Tien, Po-Hsiang Huang, Shao-huan Wang, Ting Yu Chen, Yen-Pin Chen, Chun-Chen Chen, Tzu-Hen Lin, Tai-Yu Cheng
  • Publication number: 20240371839
    Abstract: A semiconductor package includes a first package component comprising: a first semiconductor die; a first encapsulant around the first semiconductor die; and a first redistribution structure electrically connected to the semiconductor die. The semiconductor package further includes a second package component bonded to the first package component, wherein the second package component comprises a second semiconductor die; a heat spreader between the first semiconductor die and the second package component; and a second encapsulant between the first package component and the second package component, wherein the second encapsulant has a lower thermal conductivity than the heat spreader.
    Type: Application
    Filed: July 15, 2024
    Publication date: November 7, 2024
    Inventors: Fong-Yuan Chang, Po-Hsiang Huang, Lee-Chung Lu, Jyh Chwen Frank Lee, Yii-Chian Lu, Yu-Hao Chen, Keh-Jeng Chang