Patents by Inventor Lee Chung Lu
Lee 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).
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Patent number: 12211791Abstract: 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: GrantFiled: November 22, 2023Date of Patent: January 28, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Ta-Pen Guo, Chien-Ying Chen, Li-Chun Tien, Lee-Chung Lu
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Patent number: 12211851Abstract: 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: GrantFiled: February 13, 2024Date of Patent: January 28, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Ta-Pen Guo, Lee-Chung Lu, Li-Chun Tien
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Patent number: 12190034Abstract: 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: GrantFiled: July 31, 2023Date of Patent: January 7, 2025Assignee: 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
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Patent number: 12176394Abstract: 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: GrantFiled: July 25, 2023Date of Patent: December 24, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Jung-Chan Yang, Hui-Zhong Zhuang, Lee-Chung Lu, Ting-Wei Chiang, Li-Chun Tien
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Publication number: 20240387373Abstract: 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: ApplicationFiled: July 29, 2024Publication date: November 21, 2024Inventors: 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
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Publication number: 20240371839Abstract: 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: ApplicationFiled: July 15, 2024Publication date: November 7, 2024Inventors: Fong-Yuan Chang, Po-Hsiang Huang, Lee-Chung Lu, Jyh Chwen Frank Lee, Yii-Chian Lu, Yu-Hao Chen, Keh-Jeng Chang
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Publication number: 20240372550Abstract: A circuit includes a level shifter circuit, an output circuit, and a first feedback circuit. The level shifter circuit is coupled to a first voltage supply, and configured to receive an enable signal, a first input signal or a second input signal, and to generate a first and second signal responsive to the enable signal or the first input signal. The output circuit coupled to the level shifter circuit and the first voltage supply, and configured to generate an output signal or a first feedback signal responsive to the first signal, and configured to latch a previous state of the output signal in response to the enable signal or an inverted enable signal. The first feedback circuit is coupled to the level shifter circuit, the output circuit and the first voltage supply, and configured to receive at least the enable signal, the inverted enable signal or the first feedback signal.Type: ApplicationFiled: July 17, 2024Publication date: November 7, 2024Inventors: Yu-Lun OU, Ji-Yung LIN, Yung-Chen CHIEN, Ruei-Wun SUN, Wei-Hsiang MA, Jerry Chang Jui KAO, Shang-Chih HSIEH, Lee-Chung LU
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Publication number: 20240364317Abstract: A flip-flop circuit includes a first inverter configured to receive a first clock signal and output a second clock signal, a second inverter configured to receive the second clock signal and output a third clock signal, a master latch including a transmission circuit, and a slave latch including a first feedback inverter. The first feedback inverter includes a first transistor configured to receive the first clock signal and a second transistor configured to receive the second clock signal, and the transmission circuit includes a third transistor configured to receive the third clock signal.Type: ApplicationFiled: July 10, 2024Publication date: October 31, 2024Inventors: Yung-Chen CHIEN, Xiangdong CHEN, Hui-Zhong ZHUANG, Tzu-Ying LIN, Jerry Chang Jui KAO, Lee-Chung LU
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Publication number: 20240363637Abstract: A semiconductor device having a standard cell, includes a first power supply line, a second power supply line, a first gate-all-around field effect transistor (GAA FET) disposed over a substrate, and a second GAA FET disposed above the first GAA FET. The first power supply line and the second power supply line are located at vertically different levels from each other.Type: ApplicationFiled: July 12, 2024Publication date: October 31, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Guo-Huei WU, Jerry Chang Jui KAO, Chih-Liang CHEN, Hui-Zhong ZHUANG, Jung-Chan YANG, Lee-Chung LU, Xiangdong CHEN
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Publication number: 20240354487Abstract: The present disclosure describes an example method for routing a standard cell with multiple pins. The method can include modifying a dimension of a pin of the standard cell, where the pin is spaced at an increased distance from a boundary of the standard cell than an original position of the pin. The method also includes routing an interconnect from the pin to a via placed on a pin track located between the pin and the boundary and inserting a keep out area between the interconnect and a pin from an adjacent standard cell. The method further includes verifying that the keep out area separates the interconnect from the pin from the adjacent standard cell by at least a predetermined distance.Type: ApplicationFiled: July 2, 2024Publication date: October 24, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Fong-yuan CHANG, Chun-Chen CHEN, Sheng-Hsiung CHEN, Ting-Wei CHIANG, Chung-Te LIN, Jung-Chan YANG, Lee-Chung LU, Po-Hsiang HUANG
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Publication number: 20240332174Abstract: An IC device includes first and second circuits adjacent each other and over a substrate. The first circuit includes a first IO pattern along a first track among a plurality of tracks in a first metal layer, the plurality of tracks elongated along a first axis and spaced from each other along a second axis. The second circuit includes a plurality of conductive patterns along corresponding different tracks among the plurality of tracks in the first metal layer, each of the plurality of conductive patterns being an IO pattern of the second circuit or a floating conductive pattern. The first metal layer further includes a first connecting pattern along the first track and connecting the first IO pattern and a second IO pattern of the second circuit. The second IO pattern is one of the plurality of conductive patterns of the second circuit and is along the first track.Type: ApplicationFiled: June 11, 2024Publication date: October 3, 2024Inventors: Cheng-Yu LIN, Jung-Chan YANG, Hui-Zhong ZHUANG, Sheng-Hsiung CHEN, Kuo-Nan YANG, Chih-Liang CHEN, Lee-Chung LU
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Patent number: 12094880Abstract: An integrated circuit includes a first diffusion area for a first type transistor. The first type transistor includes a first drain region and a first source region. A second diffusion area for a second type transistor is separated from the first diffusion area. The second type transistor includes a second drain region and a second source region. A gate electrode continuously extends across the first diffusion area and the second diffusion area in a routing direction. A first metallic structure is electrically coupled with the first source region. A second metallic structure is electrically coupled with the second drain region. A third metallic structure is disposed over and electrically coupled with the first and second metallic structures. A width of the first metallic structure is substantially equal to or larger than a width of the third metallic structure.Type: GrantFiled: February 13, 2023Date of Patent: September 17, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Ali Keshavarzi, Ta-Pen Guo, Shu-Hui Sung, Hsiang-Jen Tseng, Shyue-Shyh Lin, Lee-Chung Lu, Chung-Cheng Wu, Li-Chun Tien, Jung-Chan Yang, Ting Yu Chen, Min Cao, Yung-Chin Hou
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Publication number: 20240304685Abstract: A device includes a first transistor layer comprising a first gate electrode and a second transistor layer comprising a second gate electrode that is stacked with the first transistor layer. n intermetal structure comprising a conductive line is disposed between the first transistor layer and the second transistor layer. A first gate contact extends along a sidewall of the first gate electrode from a top surface of the first gate electrode to the conductive line 48G. A second gate contact extends along a sidewall of the second gate electrode from a top surface of the second gate electrode to the conductive line. The first gate electrode is electrically connected to the second gate electrode by the first gate contact, the second gate contact, and the conductive line.Type: ApplicationFiled: June 30, 2023Publication date: September 12, 2024Inventors: Yung-Chin Hou, Lee-Chung Lu, Jiann-Tyng Tzeng, Wei-Cheng Lin, Chun-Yen Lin, Ching-Yu Huang
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Publication number: 20240303407Abstract: An IC structure includes first and second complementary field-effect transistors (CFETs) positioned in a semiconductor wafer, each of the first and second CFETs including a gate structure extending in a first direction, an n-type channel extending through the gate structure in a second direction perpendicular to the first direction, and a p-type channel extending through the gate structure in the second direction and aligned with the n-type channel in a third direction perpendicular to each of the first and second directions. A metal line extends in the first direction, is aligned with each of the first and second CFETs in the third direction, and is configured to distribute a power supply or reference voltage to each of the first and second CFETs. The metal line is a metal line closest to each of the first and second CFETs along the third direction and extending in the first direction.Type: ApplicationFiled: August 9, 2023Publication date: September 12, 2024Inventors: Wei-Cheng TZENG, Shih-Wei PENG, Wei-Cheng LIN, Jiann-Tyng TZENG, Guo-Huei WU, Hui-Zhong ZHUANG, Lee-Chung LU, Yung-Chin HOU
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Patent number: 12087690Abstract: 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: GrantFiled: July 29, 2022Date of Patent: September 10, 2024Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: 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
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Publication number: 20240296273Abstract: An integrated circuit includes a first power rail extending in a first direction, and configured to supply a first supply voltage, and a first region next to the first power rail. The first region includes a first conductive structure extending in the first direction, a first set of conductive structures extending in a second direction, and a first set of vias between the first set of conductive structures and the first conductive structure. The first set of conductive structures overlaps the first conductive structure and the first power rail, and is located on a second level. Each conductive structure of the first set of conductive structures is separated from each other in the first direction. Each via of the first set of vias is located where the first set of conductive structures overlaps the first conductive structure and couples the first set of conductive structures to the first conductive structure.Type: ApplicationFiled: May 14, 2024Publication date: September 5, 2024Inventors: Jung-Chan YANG, Ting-Wei CHIANG, Jerry Chang-Jui KAO, Hui-Zhong ZHUANG, Lee-Chung LU, Li-Chun TIEN, Meng-Hung SHEN, Shang-Chih HSIEH, Chi-Yu LU
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Publication number: 20240296272Abstract: A method includes forming a transistor layer; forming a first metallization layer, including: forming first conductors, aligned along alpha tracks, and representing input pins of a cell region including first and second input pins; and cutting lengths of the first and second input pins to accommodate at most two access points, each aligned to a different one of first to fourth beta tracks, the beta tracks to which are aligned the access points of the first input pin being different than the beta tracks to which are aligned the access points of the second input pin; and forming a second metallization layer, including: forming second conductors representing routing segments and a representing a power grid segment aligned with one of the beta tracks of access points of the first input pin or the access points of the second input pin.Type: ApplicationFiled: May 10, 2024Publication date: September 5, 2024Inventors: Pin-Dai SUE, Po-Hsiang HUANG, Fong-Yuan CHANG, Chi-Yu LU, Sheng-Hsiung CHEN, Chin-Chou LIU, Lee-Chung LU, Yen-Hung LIN, Li-Chun TIEN, Yi-Kan CHENG
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Patent number: 12081215Abstract: A circuit includes an input circuit, a level shifter circuit, an output circuit, and a first and a second feedback circuit. The input circuit is coupled to a first voltage supply, and configured to receive a first input signal, and to generate at least a second input signal. The level shifter circuit is coupled to a second voltage supply, and configured to generate at least a first and second signal responsive to at least the enable signal or the first input signal. The output circuit is coupled to at least the level shifter circuit and the second voltage supply, and configured to generate at least an output signal, a first and second feedback signal responsive to the first signal. The first and second feedback circuit are configured to receive the enable signal, and the inverted enable signal, and the corresponding first and second feedback signal.Type: GrantFiled: June 12, 2023Date of Patent: September 3, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yu-Lun Ou, Ji-Yung Lin, Yung-Chen Chien, Ruei-Wun Sun, Wei-Hsiang Ma, Jerry Chang Jui Kao, Shang-Chih Hsieh, Lee-Chung Lu
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Patent number: 12074168Abstract: A semiconductor device having a standard cell, includes a first power supply line, a second power supply line, a first gate-all-around field effect transistor (GAA FET) disposed over a substrate, and a second GAA FET disposed above the first GAA FET. The first power supply line and the second power supply line are located at vertically different levels from each other.Type: GrantFiled: April 18, 2023Date of Patent: August 27, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTDInventors: Guo-Huei Wu, Jerry Chang Jui Kao, Chih-Liang Chen, Hui-Zhong Zhuang, Jung-Chan Yang, Lee-Chung Lu, Xiangdong Chen
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Patent number: 12074148Abstract: 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: GrantFiled: December 2, 2022Date of Patent: August 27, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Fong-Yuan Chang, Po-Hsiang Huang, Lee-Chung Lu, Jyh Chwen Frank Lee, Yii-Chian Lu, Yu-Hao Chen, Keh-Jeng Chang