Patents by Inventor Yi Tsai
Yi Tsai 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: 12261172Abstract: A method of fabricating a semiconductor device is described. A substrate is provided. A plurality of fins is formed extending from the substrate, the fins including a first group of active fins arranged in an active region, and including an inactive fin having at least a portion in an inactive region, the active fins separated by first trench regions between adjacent of the active regions, the inactive fin separated from its closest active fin by a second trench region, the second trench region having a greater width than that of a trench region of the first trench regions. A dummy fin is formed on the isolation dielectric in the second trench region, the dummy fin disposed between the first group of active fins and the inactive fin. A dummy gate is formed over the fins. The gate isolation structure is disposed between the dummy fin and the inactive fin and separates regions of the dummy gate.Type: GrantFiled: August 28, 2021Date of Patent: March 25, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Ya-Yi Tsai, Shih-Yao Lin, Chi-Hsiang Chang, Wei-Han Chen, Shu-Yuan Ku
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Patent number: 12260669Abstract: A package includes a sensor die, and an encapsulating material encapsulating the sensor die therein. A top surface of the encapsulating material is substantially coplanar with or higher than a top surface of the sensor die. A plurality of sensing electrodes is higher than the sensor die and the encapsulating material. The plurality of sensing electrodes is arranged as a plurality of rows and columns, and the plurality of sensing electrodes is electrically coupled to the sensor die. A dielectric layer covers the plurality of sensing electrodes.Type: GrantFiled: July 7, 2023Date of Patent: March 25, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chih-Hua Chen, Yu-Feng Chen, Chung-Shi Liu, Chen-Hua Yu, Hao-Yi Tsai, Yu-Chih Huang
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Patent number: 12261126Abstract: A semiconductor package includes an encapsulated semiconductor device, a backside redistribution structure, and a front side redistribution structure. The encapsulated semiconductor device includes an encapsulating material and a semiconductor device encapsulated by the encapsulating material. The backside redistribution structure is disposed on a backside of the encapsulated semiconductor device and includes a redistribution circuit layer and a first patterned dielectric layer. The redistribution circuit layer has a circuit pattern and a dummy pattern electrically insulated from the circuit pattern. The dummy pattern is overlapped with the semiconductor device from a top view of the semiconductor package. The first patterned dielectric layer is disposed on the redistribution circuit layer and includes a marking pattern disposed on the dummy pattern and revealing a part of the dummy pattern.Type: GrantFiled: January 24, 2024Date of Patent: March 25, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tsung-Hsien Chiang, Hsien-Ming Tu, Hao-Yi Tsai, Tin-Hao Kuo
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Patent number: 12261092Abstract: A semiconductor package includes a semiconductor device, an encapsulating material, a redistribution structure, and an adhesive residue. The encapsulating material encapsulates a first part of a side surface of the semiconductor device. The redistribution structure is disposed over the semiconductor device and a first side of the encapsulating material. The adhesive residue is disposed over a second side of the encapsulating material opposite to the first side and surrounding the semiconductor device, wherein the adhesive residue encapsulates a second part of the side surface of the semiconductor device.Type: GrantFiled: August 30, 2021Date of Patent: March 25, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tzu-Sung Huang, Ming-Hung Tseng, Yen-Liang Lin, Ban-Li Wu, Hsiu-Jen Lin, Teng-Yuan Lo, Hao-Yi Tsai
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Publication number: 20250096163Abstract: A semiconductor device includes a first plurality of dies encapsulated by an encapsulant, an interposer over the first plurality of dies, an interconnect structure over and electrically connected to the interposer, and a plurality of conductive pads on a surface of the interconnect structure opposite the interposer. The interposer includes a plurality of embedded passive components. Each die of the first plurality of dies is electrically connected to the interposer. The interconnect structure includes a solenoid inductor in a metallization layer of the interconnect structure.Type: ApplicationFiled: December 2, 2024Publication date: March 20, 2025Inventors: Chen-Hua Yu, Kuo Lung Pan, Tin-Hao Kuo, Hao-Yi Tsai
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Publication number: 20250098194Abstract: Continuous polysilicon on oxide diffusion edge (CPODE) processes are described herein in which one or more semiconductor device parameters are tuned to reduce the likelihood of etching of source/drain regions on opposing sides of CPODE structures formed in a semiconductor device, to reduce the likelihood of depth loading in the semiconductor device, and/or to reduce the likelihood of gate deformation in the semiconductor device, among other examples. Thus, the CPODE processes described herein may reduce the likelihood of epitaxial damage to the source/drain regions, may reduce current leakage between the source/drain regions, and/or may reduce the likelihood of threshold voltage shifting for transistors of the semiconductor device. The reduced likelihood of threshold voltage shifting may provide more uniform and/or faster switching speeds for the transistors, more uniform and/or lower power consumption for the transistors, and/or increased device performance for the transistors, among other examples.Type: ApplicationFiled: September 18, 2023Publication date: March 20, 2025Inventors: Tzu-Ging LIN, Ya-Yi TSAI, Yun-Chen WU, Shu-Yuan KU
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Publication number: 20250096198Abstract: A semiconductor device, a circuit board structure and a manufacturing forming thereof are provided. A circuit board structure includes a core layer, a first build-up layer and a second build-up layer. The first build-up layer and the second build-up layer are disposed on opposite sides of the core layer. The circuit board structure has a plurality of stress releasing trenches extending into the first build-up layer and the second build-up layer.Type: ApplicationFiled: December 5, 2024Publication date: March 20, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tin-Hao Kuo, Chen-Hua Yu, Chung-Shi Liu, Hao-Yi Tsai, Yu-Chia Lai, Po-Yuan Teng
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Publication number: 20250096203Abstract: A manufacturing method of a semiconductor package includes the following steps. A first lower semiconductor device and a second lower semiconductor device are provided. A plurality of first conductive pillars are formed on the first lower semiconductor device along a first direction parallel to a side of the first lower semiconductor device. A plurality of second conductive pillars are formed on the second lower semiconductor device along a second direction parallel to a side of the second lower semiconductor device, wherein the first direction is substantially collinear with the second direction. An upper semiconductor device is disposed on the first lower semiconductor device and the second lower semiconductor device and revealing a portion where the plurality of first conductive pillars and the plurality of second conductive pillars are disposed.Type: ApplicationFiled: November 7, 2024Publication date: March 20, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wei-Kang Hsieh, Hung-Yi Kuo, Hao-Yi Tsai, Kuo-Lung Pan, Ting Hao Kuo, Yu-Chia Lai, Mao-Yen Chang, Po-Yuan Teng, Shu-Rong Chun
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Publication number: 20250091100Abstract: Cleaning tools for cleaning the pull cable of an ingot puller apparatus and methods for cleaning the pull cable are disclosed. The cleaning tool includes a chamber for receiving the pull cable. Pressurized fluid is discharged through one or more nozzles to detach debris from the pull cable. The fluid and debris are collected in an exhaust plenum of the cleaning tool and are expelled through an exhaust tube. The cleaning tool includes one or more guides that guide the cleaning tool in an upper segment of the ingot puller apparatus.Type: ApplicationFiled: November 8, 2024Publication date: March 20, 2025Inventors: Chin-Hung Ho, Chih-Kai Cheng, Chen-Yi Lin, Feng-Chien Tsai, Tung-Hsiao Li, YoungGil Jeong, Jin Yong Uhm
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Patent number: 12255070Abstract: In a semiconductor structure, a first conductive feature is formed in a trench by PVD and a glue layer is then deposited on the first conductive feature in the trench before CVD deposition of a second conductive feature there-over. The first conductive feature acts as a protection layer to keep silicide from being damaged by later deposition of metal or a precursor by CVD. The glue layer extends along the extent of the sidewall to enhance the adhesion of the second conductive features to the surrounding dielectric layer.Type: GrantFiled: September 30, 2021Date of Patent: March 18, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Min-Hsuan Lu, Kan-Ju Lin, Lin-Yu Huang, Sheng-Tsung Wang, Hung-Yi Huang, Chih-Wei Chang, Ming-Hsing Tsai, Chih-Hao Wang
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Patent number: 12253541Abstract: The present invention relates to a pogo pin cooling system and a pogo pin cooling method and an electronic device testing apparatus having the system. The system mainly comprises a coolant circulation module, which includes a coolant supply channel communicated with an inlet of a chip socket and a coolant recovery channel communicated with an outlet of the chip socket. When an electronic device is accommodated in the chip socket, the coolant circulation module supplies a coolant into the chip socket through the coolant supply channel and the inlet, and the coolant passes through the pogo pins and then flows into the coolant recovery channel through the outlet.Type: GrantFiled: October 28, 2022Date of Patent: March 18, 2025Assignee: CHROMA ATE INC.Inventors: I-Shih Tseng, Xin-Yi Wu, I-Ching Tsai, Chin-Yi Ouyang
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Patent number: 12255638Abstract: The disclosure provides an electrical apparatus, including a substrate, a plurality of gate driver units and a plurality of gate lines. The gate driver units are disposed on the substrate. The gate lines are disposed on the substrate. Each of the gate lines is respectively electrically connected to the corresponding gate driver unit. Each of the gate lines is configured to transmit a respective gate signal. The gate lines include a first gate line and a second gate line. The first gate line and the second gate line are configured to transmit the respective gate signals at a same time.Type: GrantFiled: January 31, 2023Date of Patent: March 18, 2025Assignee: Innolux CorporationInventors: Hsiu-Yi Tsai, Yu-Ti Huang, Yu-Hsiang Chiu, Yi-Hung Lin
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Patent number: 12252826Abstract: A method of preparing an electret by saturating a nonwoven fabric with a liquid, such as water, and removing the liquid via suction to generate charges by friction between the fabric fibers and the liquid is described. The saturating can be carried out, for example, by impinging the bottom side of the fabric with a jet or jets of water while the fabric is being pulled under a solid roller. Excess water can also be applied during a water quenching step of a meltblowing or spunbonding process. An apparatus for preparing an electret according to the presently disclosed methods is also described.Type: GrantFiled: May 17, 2019Date of Patent: March 18, 2025Assignee: University of Tennessee Research FoundationInventor: Peter Ping-Yi Tsai
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Patent number: 12255144Abstract: A graphene liner deposited between at least one liner material (e.g., barrier layer, ruthenium liner, and/or cobalt liner) and a copper conductive structure reduces surface scattering at an interface between the at least one liner material and the copper conductive structure. Additionally, or alternatively, the carbon-based liner reduces contact resistance at an interface between the at least one liner material and the copper conductive structure. A carbon-based cap may additionally or alternatively be deposited on a metal cap, over the copper conductive structure, to reduce surface scattering at an interface between the metal cap and an additional copper conductive structure deposited over the metal cap.Type: GrantFiled: January 11, 2022Date of Patent: March 18, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Shu-Cheng Chin, Chih-Yi Chang, Chih-Chien Chi, Ming-Hsing Tsai
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Patent number: 12255196Abstract: Manufacturing method of semiconductor package includes following steps. Bottom package is provided. The bottom package includes a die and a redistribution structure electrically connected to die. A first top package and a second top package are disposed on a surface of the redistribution structure further away from the die. An underfill is formed into the space between the first and second top packages and between the first and second top packages and the bottom package. The underfill covers at least a side surface of the first top package and a side surface of the second top package. A hole is opened in the underfill within an area overlapping with the die between the side surface of the first top package and the side surface of the second top package. A thermally conductive block is formed in the hole by filling the hole with a thermally conductive material.Type: GrantFiled: July 31, 2023Date of Patent: March 18, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Shih-Wei Chen, Chih-Hua Chen, Hsin-Yu Pan, Hao-Yi Tsai, Lipu Kris Chuang, Tin-Hao Kuo
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Patent number: 12255174Abstract: A package includes a package substrate, an interposer over and bonded to the package substrate, a first wafer over and bonding to the interposer, and a second wafer over and bonding to the first wafer. The first wafer has independent passive device dies therein. The second wafer has active device dies therein.Type: GrantFiled: June 30, 2022Date of Patent: March 18, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chen-Hua Yu, Kuo Lung Pan, Shu-Rong Chun, Chi-Hui Lai, Tin-Hao Kuo, Hao-Yi Tsai, Chung-Shi Liu
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Patent number: 12255184Abstract: A device includes a first redistribution structure comprising a first conductive line and a second conductive line. An integrated circuit die is attached to the first redistribution structure. A first via is coupled to the first conductive line on a first side, and a first conductive connector is coupled to the first conductive line on a second side opposite the first side. A second via is coupled to the second conductive line on the first side, and a second conductive connector is coupled to the second conductive line on the second side. The first via directly contacts the first conductive line without directly contacting the first conductive connector. The second via directly contacts the second conductive line and directly contacts the second conductive connector.Type: GrantFiled: June 16, 2023Date of Patent: March 18, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chen-Hua Yu, Ming Hung Tseng, Yen-Liang Lin, Tzu-Sung Huang, Tin-Hao Kuo, Hao-Yi Tsai
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Publication number: 20250085336Abstract: The present disclosure provides a correction system and method for correcting a semiconductor circuit. The correction system includes a plurality of redundant circuit units, a plurality of switching circuit units and a control circuit. The redundant circuit units are coupled to the semiconductor circuit. The switching circuit units are coupled to the redundant circuit units and a plurality of basic circuit units of the semiconductor circuit. The control circuit is coupled to the semiconductor circuit and the switching circuit units, is configured to obtain a noise signal of the semiconductor circuit, is configured to determine whether the semiconductor circuit passes a noise test by recognizing a characteristic of the noise signal, and is configured to replace one of the basic circuit units with one of the redundant circuit units by controlling the switching circuit units when the semiconductor circuit does not pass the noise test.Type: ApplicationFiled: May 22, 2024Publication date: March 13, 2025Inventors: Li-Lung KAO, Chia-Chi TSAI, Pei-Chun LIAO, Kai-Yi HUANG, Sin Hua WU
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Publication number: 20250089140Abstract: An LED driving apparatus, a microcontroller, and a control method for an LED module are provided. The LED driving apparatus includes a power supply module, a switch module, and a control module. The power supply module is configured to supply power to the LED module, in which the power supply module determines whether to trigger an overcurrent protection based on whether an output current exceeds a threshold current. The control module is configured to receive an overcurrent detection signal to control a conduction state of the switch module, so as to affect the current amount of the LED module. When the overcurrent detection signal indicates the output current exceeds the threshold current, the control module outputs a first control signal based on the overcurrent detection signal to control the switch module, to prevent the overcurrent protection from being triggered.Type: ApplicationFiled: January 8, 2024Publication date: March 13, 2025Inventors: Chun-Yi WU, Lian-Cheng TSAI, Chih-Wei TSAI
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Publication number: 20250085165Abstract: A circular polarizer detection device for detecting a circular polarizer-to-be-detected including a first linear polarizer and a first wave plate is provided. The first linear polarizer has a first transmission axis, the first wave plate has a first fast axis, and there are a preset angle and an error angle between the first transmission axis and the first fast axis. The circular polarizer detection device includes a light source system, a second wave plate and an optical phase demodulation system. A first beam provided by the light source system is converted into a beam-to-be-detected through the circular polarizer-to-be-detected. The beam-to-be-detected enters the rotating second wave plate and then is converted into a second beam. The optical phase demodulation system receives the second beam, generates a phase difference curve, and analyzes a relationship between the rotation angle and the error angle. A circular polarizer detection method is also provided.Type: ApplicationFiled: September 6, 2024Publication date: March 13, 2025Inventors: Ju-Yi Lee, You-Jun Lin, Wei-Chen Wong, Hsing-Hsien Tsai