Patents by Inventor Chih Liu
Chih Liu 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: 12154885Abstract: Disclosed is a die-bonding method which provides a target substrate having a circuit structure with multiple electrical contacts and multiple semiconductor elements each semiconductor element having a pair of electrodes, arranges the multiple semiconductor elements on the target substrate with the pair of electrodes of each semiconductor element aligned with two corresponding electrical contacts of the target substrate, and applies at least one energy beam to join and electrically connect the at least one pair of electrodes of every at least one of the multiple semiconductor elements and the corresponding electrical contacts aligned therewith in a heating cycle by heat carried by the at least one energy beam in the heating cycle. The die-bonding method delivers scattering heated dots over the target substrate to avoid warpage of PCB and ensures high bonding strength between the semiconductor elements and the circuit structure of the target substrate.Type: GrantFiled: August 15, 2023Date of Patent: November 26, 2024Assignee: EPISTAR CORPORATIONInventors: Min-Hsun Hsieh, Shih-An Liao, Ying-Yang Su, Hsin-Mao Liu, Tzu-Hsiang Wang, Chi-Chih Pu
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Publication number: 20240386744Abstract: A fingerprint sensor package and method are provided. Embodiments include a sensor and a sensor surface material encapsulated within the fingerprint sensor package. An array of electrodes of the sensor are electrically connected using through vias that are located either in the sensor, in connection blocks separated from the sensor, or through connection blocks, or else connected through other connections such as wire bonds. A high voltage die is attached in order to increase the sensitivity of the fingerprint sensor.Type: ApplicationFiled: July 31, 2024Publication date: November 21, 2024Inventors: Yu-Chih Huang, Chih-Hua Chen, Yu-Jen Cheng, Chih-Wei Lin, Yu-Feng Chen, Hao-Yi Tsai, Chung-Shi Liu, Chen-Hua Yu
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Publication number: 20240387726Abstract: The present disclosure describes a semiconductor structure that includes a channel region, a source region adjacent to the channel region, a drain region, a drift region adjacent to the drain region, and a dual gate structure. The dual gate structure includes a first gate structure over portions of the channel region and portions of the drift region. The dual gate structure also includes a second gate structure over the drift region.Type: ApplicationFiled: July 26, 2024Publication date: November 21, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Po-Chih SU, Ruey-Hsin Liu, Pei-Lun Wang, Jia-Rui Lee, Jyun-Guan Jhou
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Publication number: 20240387548Abstract: A semiconductor device includes a first semiconductor fin that is formed over a substrate and extends along a first lateral axis. The semiconductor device includes a second semiconductor fin that is also formed over the substrate and extends along the first lateral axis. At least a tip portion of the first semiconductor fin and at least a tip portion of the second semiconductor fin bend toward each other along a second lateral axis that is perpendicular to the first lateral axis.Type: ApplicationFiled: July 29, 2024Publication date: November 21, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Duen-Huei Hou, Tsu Hao Wang, Chao-Cheng Chen, Chun-Hung Lee, Hsin-Chih Chen, Kuo-Chin Liu
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Patent number: 12147750Abstract: A multiplexer circuit includes first and second fins each extending in an X-axis direction. First, second, third and fourth gates extend in a Y-axis direction perpendicular to the X-axis direction and contact the first and second fins. The first, second, third and fourth gates are configured to receive first, second, third and fourth data signals, respectively. Fifth, sixth, seventh and eighth gates extend in the Y-axis direction and contact the first and second fins, the fifth, sixth, seventh and eighth gates, and are configured to receive the first, second, third and fourth select signals, respectively. An input logic circuit is configured to provide an output at an intermediate node. A ninth gate extends in the Y-axis direction and contacts the first and second fins. An output logic circuit is configured to provide a selected one of the first, second, third and fourth data signals at an output terminal.Type: GrantFiled: June 30, 2023Date of Patent: November 19, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chi-Lin Liu, Shang-Chih Hsieh, Jian-Sing Li, Wei-Hsiang Ma, Yi-Hsun Chen, Cheok-Kei Lei
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Patent number: 12148698Abstract: The application discloses a semiconductor device and a semiconductor device manufacturing method. The semiconductor device includes: a substrate; a circuit macro on the substrate; a plurality of metal layers over the substrate, wherein the plurality of metal layers include a first power mesh; and a plurality of power switch circuits on the substrate, wherein the power switch circuits selectively couple a power to the first power mesh according to a control signal, and the power switch circuits are arranged in sequence, wherein a control signal output terminal of each first power switch circuit is coupled to a control signal input terminal of a following first power switch circuit, so that the control signal passes through the first power switch circuits sequentially.Type: GrantFiled: December 31, 2020Date of Patent: November 19, 2024Assignee: REALTEK SEMICONDUCTOR CORPORATIONInventors: Chien Cheng Liu, Yun Chih Chang
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Publication number: 20240379788Abstract: In some embodiments, the present disclosure relates to a semiconductor device that includes a well region with a substrate. A source region and a drain region are arranged within the substrate on opposite sides of the well region. A gate electrode is arranged over the well region, has a bottom surface arranged below a topmost surface of the substrate, and extends between the source and drain regions. A trench isolation structure surrounds the source region, the drain region, and the gate electrode. A gate dielectric structure separates the gate electrode from the well region, the source, region, the drain region, and the trench isolation structure. The gate electrode structure has a central portion and a corner portion. The central portion has a first thickness, and the corner portion has a second thickness that is greater than the first thickness.Type: ApplicationFiled: July 24, 2024Publication date: November 14, 2024Inventors: Yi-Huan Chen, Kong-Beng Thei, Chien-Chih Chou, Alexander Kalnitsky, Szu-Hsien Liu, Huan-Chih Yuan
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Publication number: 20240379789Abstract: A method to form a transistor device with a recessed gate structure is provided. In one embodiment, a gate structure is formed overlying a device region and an isolation structure. The gate structure separates a device doping well along a first direction with a pair of recess regions disposed on opposite sides of the device region in a second direction perpendicular to the first direction. A pair of source/drain regions in is formed the device region on opposite sides of the gate structure. A sidewall spacer is formed extending along sidewalls of the gate structure, where a top surface of the sidewall spacer is substantially flush with the top surface of the gate structure. A resistive protection layer is then formed on the sidewall spacer and covering the pair of recess regions.Type: ApplicationFiled: July 23, 2024Publication date: November 14, 2024Inventors: Chen-Liang Chu, Chien-Chih Chou, Chih-Chang Cheng, Yi-Huan Chen, Kong-Beng Thei, Ming-Ta Lei, Ruey-Hsin Liu, Ta-Yuan Kung
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Publication number: 20240379664Abstract: Some embodiments relate to an integrated chip structure. The integrated chip structure includes a substrate having a first device region and a second device region. A plurality of first transistor devices are disposed in the first device region and respectively include epitaxial source/drain regions disposed on opposing sides of a first gate structure. The epitaxial source/drain regions have an epitaxial material. A plurality of second transistor devices are disposed in the second device region and respectively include implanted source/drain regions disposed on opposing sides of a second gate structure. A dummy region includes one or more dummy structures. The one or more dummy structures have dummy epitaxial regions including the epitaxial material.Type: ApplicationFiled: July 22, 2024Publication date: November 14, 2024Inventors: Yu-Chang Jong, Yi-Huan Chen, Chien-Chih Chou, Tsung-Chieh Tsai, Szu-Hsien Liu, Huan-Chih Yuan, Jhu-Min Song
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Publication number: 20240379711Abstract: A semiconductor device includes a substrate having a front side and a back side opposite to each other. A plurality of photodetectors is disposed in the substrate within a pixel region. An isolation structure is disposed within the pixel region and between the photodetectors. The isolation structure includes a back side isolation extending from the back side of the substrate to a position in the substrate. A conductive plug structure is disposed in the substrate within a periphery region. A conductive cap is disposed on the back side of the substrate and extends from the pixel region to the periphery region and electrically connects the back side isolation structure to the conductive plug structure. A conductive contact lands on the conductive plug structure, and is electrically connected to the back side isolation structure through the conductive plug structure and the conductive cap.Type: ApplicationFiled: July 23, 2024Publication date: November 14, 2024Inventors: Min-Feng Kao, Dun-Nian Yaung, Jen-Cheng Liu, Hsing-Chih Lin, Feng-Chi Hung, Shyh-Fann Ting
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Publication number: 20240379842Abstract: The present disclosure provides a semiconductor device, including a substrate, a first dopant region in the substrate, wherein the first dopant is doped with a first conductivity type dopant, a first drift region at a top surface of the substrate, a first drain region adjacent to the first drift region, a second drain region, wherein an upper portion of the first dopant region is between the first drain region and the second drain region, and a first conductive layer connecting the first drain region, the second drain region, and a top surface of the upper portion of the first dopant region, wherein a Schottky barrier interface is formed between the top surface of the upper portion of the first dopant region and the first conductive layer.Type: ApplicationFiled: May 9, 2023Publication date: November 14, 2024Inventors: YU-YING LAI, PO-CHIH SU, RUEY-HSIN LIU
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Publication number: 20240379796Abstract: A semiconductor device includes a plurality of active region structures that each protrude upwards in a vertical direction. The active region structures each extend in a first horizontal direction. The active region structures are separated from one another in a second horizontal direction different from the first horizontal direction. A gate structure is disposed over the active region structures. The gate structure extends in the second horizontal direction. The gate structure partially wraps around each of the active region structures. A conductive capping layer is disposed over the gate structure. A gate via is disposed over the conductive capping layer. A dimension of the conductive capping layer measured in the second horizontal direction is substantially greater than a maximum dimension of the gate via measured in the second horizontal direction.Type: ApplicationFiled: July 23, 2024Publication date: November 14, 2024Inventors: Chia-Wei Chen, Wei Cheng Hsu, Hui-Chi Chen, Jian-Hao Chen, Kuo-Feng Yu, Shih-Hang Chiu, Wei-Cheng Wang, Kuan-Ting Liu, Yen-Ju Chen, Chun-Chih Cheng, Wei-Chen Hsiao
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Publication number: 20240380392Abstract: The present disclosure provides a semiconductor device which includes a multiplexer, a master latch, and a slave latch. The multiplexer outputs an inverse of an input data signal or an inverse scan input signal according to a scan enable signal. The master latch is coupled to an output terminal of the multiplexer, and is configured to latch the inverse of the input data signal based on an input clock signal in response to the scan enable signal being in a low-logic state. The slave latch is coupled to the output terminal of the multiplexer through a first clocked CMOS inverter, and is configured to receive the input data signal and to output a latched slave latch data based on the input clock signal. A leakage-free dummy cell is disposed in a non-critical path of the master latch and the slave latch.Type: ApplicationFiled: July 4, 2024Publication date: November 14, 2024Inventors: YU-JHENG OU-YANG, CHI-LIN LIU, SHANG-CHIH HSIEH, WEI-HSIANG MA, KAI-CHI HUANG
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Publication number: 20240379528Abstract: Various embodiments of the present disclosure are directed towards a metal-insulator-metal (MIM) device. The MIM device includes a first conductive layer disposed over a substrate, a first capacitor dielectric disposed over the first conductive layer, and a second conductive layer disposed over the first capacitor dielectric. The first conductive layer and the first capacitor dielectric laterally extend past an outermost sidewall of the second conductive layer. A second capacitor dielectric is disposed over the second conductive layer and the first capacitor dielectric, and a third conductive layer is disposed over the second capacitor dielectric. The third conductive layer laterally extends past the outermost sidewall of the second conductive layer. A conductive structure is coupled to both the first conductive layer and the third conductive layer. The conductive structure extends through the first capacitor dielectric and the second capacitor dielectric laterally outside of the second conductive layer.Type: ApplicationFiled: July 22, 2024Publication date: November 14, 2024Inventors: Min-Feng Kao, Dun-Nian Yaung, Jen-Cheng Liu, Hsing-Chih Lin, Kuan-Hua Lin
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Publication number: 20240377762Abstract: A semiconductor substrate stage for carrying a substrate is provided. The semiconductor substrate stage includes a carrier layer, a storage layer having an energy storage device and a water storage device, a magnetic shielding layer disposed between the carrier layer and the storage layer, and a receiver disposed in a recess of the carrier layer and partially exposed from the carrier layer.Type: ApplicationFiled: July 24, 2024Publication date: November 14, 2024Inventors: Yu-Huan CHEN, Yu-Chih HUANG, Ya-An PENG, Shang-Chieh CHIEN, Li-Jui CHEN, Heng-Hsin LIU
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Publication number: 20240379845Abstract: A medium voltage transistor of a level shifter circuit may include a p-well region in a substrate. Moreover, the medium voltage transistor may include an n-type lightly-doped source/drain (NLDD) region in which an N+ source/drain region of the medium voltage transistor is included. The light doping in the NLDD region enables a threshold voltage (Vi) to be reduced while enabling medium voltage operation at the N+ source/drain region. To reduce the amount of current leakage in the medium voltage transistor due to the light doping in the NLDD region, a buffer layer may be included over and/or on a portion of the NLDD region under a gate structure of the medium voltage transistor. The NLDD region and the thermal region of the medium voltage transistor enables the threshold voltage of the medium voltage transistor while maintaining the same current leakage performance or reducing current leakage in the medium voltage transistor.Type: ApplicationFiled: May 11, 2023Publication date: November 14, 2024Inventors: Chen-Liang CHU, Hsin-Chih CHIANG, Ruey-Hsin LIU, Ta-Yuan KUNG, Ta-Chuan LIAO, Chih-Wen YAO, Ming-Ta LEI
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Patent number: 12141584Abstract: Disclosed herein are embodiments related to a power efficient multi-bit storage system. In one configuration, the multi-bit storage system includes a first storage circuit, a second storage circuit, a prediction circuit, and a clock gating circuit. In one aspect, the first storage circuit updates a first output bit according to a first input bit, in response to a trigger signal, and the second storage circuit updates a second output bit according to a second input bit, in response to the trigger signal. In one aspect, the prediction circuit generates a trigger enable signal indicating whether at least one of the first output bit or the second output bit is predicted to change a state. In one aspect, the clock gating circuit generates the trigger signal based on the trigger enable signal.Type: GrantFiled: July 7, 2022Date of Patent: November 12, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITEDInventors: Kai-Chi Huang, Chi-Lin Liu, Wei-Hsiang Ma, Shang-Chih Hsieh
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Publication number: 20240371776Abstract: A manufacturing method of a semiconductor package includes the following steps. A semiconductor die set is placed adjacent to a lower conductive via. The semiconductor die set and the lower conductive via are at least laterally encapsulated with a lower encapsulating material to form a lower encapsulated semiconductor device. A lower redistribution structure is formed over the lower encapsulated semiconductor device. A sensor die is placed adjacent to an upper conductive via, wherein the sensor die has a pad and a sensing region. The sensor die and the upper conductive via are encapsulated with an upper encapsulating material to form an upper encapsulated semiconductor device. An upper redistribution structure is formed over the upper encapsulated semiconductor device, wherein the upper redistribution structure is connected to the pad and reveals the sensing region of the sensor die.Type: ApplicationFiled: July 15, 2024Publication date: November 7, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Ying-Cheng Tseng, Hao-Yi Tsai, Yu-Chih Huang, Chia-Hung Liu
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Patent number: 12136624Abstract: A semiconductor device includes a first semiconductor fin that is formed over a substrate and extends along a first lateral axis. The semiconductor device includes a second semiconductor fin that is also formed over the substrate and extends along the first lateral axis. At least a tip portion of the first semiconductor fin and at least a tip portion of the second semiconductor fin bend toward each other along a second lateral axis that is perpendicular to the first lateral axis.Type: GrantFiled: July 24, 2023Date of Patent: November 5, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Duen-Huei Hou, Tsu Hao Wang, Chao-Cheng Chen, Chun-Hung Lee, Hsin-Chih Chen, Kuo-Chin Liu
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Patent number: 12135673Abstract: A baseboard management controller (BMC) and an operation method thereof are provided. The BMC includes a path switching circuit, a host interface circuit, a universal serial bus (USB) hub controller, a USB physical layer circuit, and a control circuit. The host interface circuit is adapted to be electrically connected to a host circuit outside the BMC. The USB physical layer circuit is adapted to be electrically connected to an external USB host or an external USB device outside the BMC. The control circuit controls the path switching circuit to selectively couple the host interface circuit to the USB hub controller, selectively couple the USB hub controller to the USB physical layer circuit, or selectively couple the host interface circuit to the USB physical layer circuit.Type: GrantFiled: December 19, 2022Date of Patent: November 5, 2024Assignee: ASPEED Technology Inc.Inventors: Hung Liu, Chih-Chiang Tsao