Patents by Inventor Chien Fu
Chien Fu 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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Publication number: 20250096092Abstract: A stacked via structure disposed on a conductive pillar of a semiconductor die is provided. The stacked via structure includes a first dielectric layer, a first conductive via, a first redistribution wiring, a second dielectric layer, a second conductive via, and a second redistribution wiring. The first dielectric layer covers the semiconductor die. The first conductive via is embedded in the first dielectric layer and electrically connected to the conductive pillar. The first redistribution wiring covers the first conductive via and the first dielectric layer. The second dielectric layer covers the first dielectric layer and the first redistribution wiring. The second conductive via is embedded in the second dielectric layer and landed on the first redistribution wiring. The second redistribution wiring covers the second conductive via and the second dielectric layer. A lateral dimension of the first conductive via is greater than a lateral dimension of the second conductive via.Type: ApplicationFiled: November 28, 2024Publication date: March 20, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Che-Yu Yeh, Tsung-Shu Lin, Wei-Cheng Wu, Tsung-Yu Chen, Li-Han Hsu, Chien-Fu Tseng
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Patent number: 12256573Abstract: A sensor package structure includes a substrate, a sensor chip disposed on and electrically coupled to the substrate, a plurality of adhesive rings disposed on the sensor chip, a plurality of filtering lenses respectively adhered to the adhesive rings, and an encapsulant that surrounds the above components. A sensing region of the sensor chip has a layout boundary and a plurality of sub-regions that are defined by the layout boundary and that are separate from each other. The adhesive rings are disposed on the sensing region, and each of the adhesive rings surrounds one of the sub-regions. Each of the filtering lenses, a corresponding one of the adhesive rings, and a corresponding one of the sub-regions jointly define a buffering space. The encapsulant is formed on the substrate and covers the layout boundary of the sensor chip.Type: GrantFiled: June 6, 2023Date of Patent: March 18, 2025Assignee: TONG HSING ELECTRONIC INDUSTRIES, LTD.Inventors: Chia-Shuai Chang, Chien-Hung Lin, Wen-Fu Yu, Wei-Li Wang, Bae-Yinn Hwang, Jyun-Huei Jiang
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Publication number: 20250087888Abstract: An antenna assembly includes a patch antenna, a metal layer, and a feed-in signal layer. The metal layer is disposed on a side of the patch antenna and includes a first slot and a second slot. The feed-in signal layer is disposed on a side of the metal layer opposite the second antenna and includes a transmitting port, a receiving port, a hybrid coupler, and two microstrips. The transmitting port and the receiving port are connected to the hybrid coupler, and the two microstrips are extended in the direction away from the hybrid coupler. Projections of two ends of the two microstrips onto the metal layer are overlapped with the first slot and the second slot. An antenna array is also mentioned.Type: ApplicationFiled: May 30, 2024Publication date: March 13, 2025Applicant: PEGATRON CORPORATIONInventors: Chien-Yi Wu, Tse-Hsuan Wang, Chih-Fu Chang, Hsin-Feng Hsieh, Wu-Hua Chen, Chih-Wei Liao, Chao-Hsu Wu
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Patent number: 12243901Abstract: A circuit, including: a photodetector including a first readout terminal and a second readout terminal different than the first readout terminal; a first readout circuit coupled with the first readout terminal and configured to output a first readout voltage; a second readout circuit coupled with the second readout terminal and configured to output a second readout voltage; and a common-mode analog-to-digital converter (ADC) including: a first input terminal coupled with a first voltage source; a second input terminal coupled with a common-mode generator, the common-mode generator configured to receive the first readout voltage and the second readout voltage, and to generate a common-mode voltage between the first and second readout voltages; and a first output terminal configured to output a first output signal corresponding to a magnitude of a current generated by the photodetector.Type: GrantFiled: March 15, 2023Date of Patent: March 4, 2025Assignee: Artilux, Inc.Inventors: Yun-Chung Na, Che-Fu Liang, Shu-Lu Chen, Szu-Lin Cheng, Han-Din Liu, Chien-Lung Chen, Yuan-Fu Lyu, Chieh-Ting Lin, Bo-Jiun Chen, Hui-Wen Chen, Shu-Wei Chu, Chung-Chih Lin, Kuan-Chen Chu
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Patent number: 12237437Abstract: A light-emitting package, includes: a housing including an opening; a lead frame covered by the housing; a light-emitting device, mounted in the opening and electrically connected to the lead frame, the light-emitting device including: a substrate including: a base with a main surface; and a plurality of protrusions on the main surface, wherein the protrusion and the base include different materials; a semiconductor stack on the main surface, the semiconductor stack including a side wall, and wherein an included angle between the side wall and the main surface is an obtuse angle; wherein the main surface includes a peripheral area not covered by the semiconductor stack, and the peripheral area is devoid of the protrusion formed thereon; and a filling material filling in the opening and covering the light-emitting device.Type: GrantFiled: February 17, 2022Date of Patent: February 25, 2025Assignee: EPISTAR CORPORATIONInventors: Li-Ming Chang, Tzung-Shiun Yeh, Chien-Fu Shen, Wen-Hsiang Lin, Pei-Chi Chiang, Yi-Wen Ku
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Publication number: 20250063649Abstract: A tin (Sn) auto-filling device and system provided to provide new liquid Sn to an inner sidewall surface of a rotation crucible. A laser is exposed to the liquid Sn at the inner sidewall surface of the rotation crucible to generate extreme-ultraviolet-light (EUV) that is utilized to process workpieces within a semiconductor manufacturing plant (FAB). The auto-filling device automatically refills as the liquid Sn at the inner sidewall surface of the rotation crucible is consumed due to the liquid Sn at the inner sidewall surface of the rotation crucible being exposed to the laser.Type: ApplicationFiled: August 16, 2023Publication date: February 20, 2025Inventors: Hsin-Fu TSENG, Chih-Chiang TU, Chih-Wei WEN, Chien-Hsing LU
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Patent number: 12230589Abstract: A semiconductor package includes a substrate, a semiconductor device, and a ring structure. The semiconductor device disposed on the substrate. The ring structure disposed on the substrate and surrounds the semiconductor device. The ring structure includes a first portion and a second portion. The first portion bonded to the substrate. The second portion connects to the first portion. A cavity is between the second portion and the substrate.Type: GrantFiled: May 30, 2023Date of Patent: February 18, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chi-Yang Yu, Jung-Wei Cheng, Yu-Min Liang, Jiun-Yi Wu, Yen-Fu Su, Chien-Chang Lin, Hsin-Yu Pan
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Patent number: 12218279Abstract: An optoelectronic device includes a first semiconductor layer, a second semiconductor layer and an active layer between the first semiconductor layer and the second semiconductor layer; a first insulating layer on the second semiconductor layer and including a plurality of first openings exposing the first semiconductor layer, wherein the first openings include a first group and a second group; a third electrode on the first insulating layer and including a first extended portion and a second extended portion, wherein the first extended portion and the second extended portion are respectively electrically connected to the first semiconductor layer through the first group of the first openings and the second group of the first openings, and wherein the number of the first group of the first openings is different from the number of the second group of the first openings; and a plurality of fourth electrodes on the second insulating layer and electrically connected to the second semiconductor layer, wherein in aType: GrantFiled: January 11, 2024Date of Patent: February 4, 2025Assignee: EPISTAR CORPORATIONInventors: Chao-Hsing Chen, Jia-Kuen Wang, Chien-Chih Liao, Tzu-Yao Tseng, Tsun-Kai Ko, Chien-Fu Shen
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Patent number: 12219879Abstract: A method includes forming Magnetic Tunnel Junction (MTJ) stack layers, which includes depositing a bottom electrode layer; depositing a bottom magnetic electrode layer over the bottom electrode layer; depositing a tunnel barrier layer over the bottom magnetic electrode layer; depositing a top magnetic electrode layer over the tunnel barrier layer; and depositing a top electrode layer over the top magnetic electrode layer. The method further includes patterning the MTJ stack layers to form a MTJ; and performing a passivation process on a sidewall of the MTJ to form a protection layer. The passivation process includes reacting sidewall surface portions of the MTJ with a process gas comprising elements selected from the group consisting of oxygen, nitrogen, carbon, and combinations thereof.Type: GrantFiled: November 28, 2023Date of Patent: February 4, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Tai-Yen Peng, Yu-Shu Chen, Sin-Yi Yang, Chen-Jung Wang, Chien Chung Huang, Han-Ting Lin, Jyu-Horng Shieh, Qiang Fu
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Publication number: 20250040275Abstract: A sensor package structure includes a substrate, a sensor chip disposed on and electrically coupled to the substrate, a ring-shaped supporting layer disposed on the sensor chip, and a light-permeable layer disposed on the ring-shaped supporting layer. The ring-shaped supporting layer has an inner surrounding surface and an outer surrounding surface that is opposite to the inner surrounding surface. At least one of the inner surrounding surface and the outer surrounding surface has a plurality of round-ended microstructures that are sequentially connected to each other and that surround a sensing region of the sensor chip. An end of each of the round-ended microstructures is a round-ended portion having a radius of less than 1 ?m. The light-permeable layer, the inner surrounding surface of the ring-shaped supporting layer, and the sensor chip jointly define an enclosed space.Type: ApplicationFiled: September 29, 2023Publication date: January 30, 2025Inventors: CHIEN-HUNG LIN, JYUN-HUEI JIANG, WEN-FU YU, WEI-LI WANG, BAE-YINN HWANG
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Publication number: 20250027227Abstract: Provided are a silicon carbide crystal growth device and a quality control method. The device includes: an annealing unit, a crystal growth unit, an atmosphere control unit, and a transport system; the atmosphere control unit provides a gas environment with low water, oxygen and nitrogen; the transport system transports a plurality of target objects after high-temperature purification by the annealing unit to the atmosphere control unit; after assembling silicon carbide seed crystal and silicon carbide powder in a graphite crucible and covering with thermal insulation material to form a container inside the atmosphere control unit, the transport system transports the container to the crystal growth unit. The method uses a weighing system in a chamber of the crystal growth unit to detect a weight change of silicon carbide seed crystal and silicon carbide powder during a crystal growth process through a plurality of weight sensors of the weighing system.Type: ApplicationFiled: July 20, 2023Publication date: January 23, 2025Inventors: Yun-Fu Chen, Wei-Tse Hsu, Min-Sheng Chu, Chien-Li Yang, Tsu-Hsiang Lin, Yuan-Hong Huang
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Patent number: 12191239Abstract: A stacked via structure disposed on a conductive pillar of a semiconductor die is provided. The stacked via structure includes a first dielectric layer, a first conductive via, a first redistribution wiring, a second dielectric layer, a second conductive via, and a second redistribution wiring. The first dielectric layer covers the semiconductor die. The first conductive via is embedded in the first dielectric layer and electrically connected to the conductive pillar. The first redistribution wiring covers the first conductive via and the first dielectric layer. The second dielectric layer covers the first dielectric layer and the first redistribution wiring. The second conductive via is embedded in the second dielectric layer and landed on the first redistribution wiring. The second redistribution wiring covers the second conductive via and the second dielectric layer. A lateral dimension of the first conductive via is greater than a lateral dimension of the second conductive via.Type: GrantFiled: July 24, 2023Date of Patent: January 7, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Che-Yu Yeh, Tsung-Shu Lin, Wei-Cheng Wu, Tsung-Yu Chen, Li-Han Hsu, Chien-Fu Tseng
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Patent number: 12176465Abstract: A light-emitting device includes a semiconductor stack including a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer; one or multiple vias penetrating the active layer and the second semiconductor layer to expose the first semiconductor layer; a first contact layer covering the one or multiple vias; a third insulating layer including a first group of one or multiple third insulating openings on the second semiconductor layer to expose the first contact layer; a first pad on the semiconductor stack and covering the first group of one or multiple third insulating openings; and a second pad on the semiconductor stack and separated from the first pad with a distance, wherein the second pad is formed at a position other than positions of the one or multiple vias in a top view of the light-emitting device.Type: GrantFiled: April 20, 2023Date of Patent: December 24, 2024Assignee: EPISTAR CORPORATIONInventors: Chao-Hsing Chen, Jia-Kuen Wang, Tzu-Yao Tseng, Bo-Jiun Hu, Tsung-Hsun Chiang, Wen-Hung Chuang, Kuan-Yi Lee, Yu-Ling Lin, Chien-Fu Shen, Tsun-Kai Ko
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Publication number: 20240393187Abstract: An integrated circuit includes a memory and peripheral circuits with a temperature sensor used to automatically adjust operating voltages. The temperature sensor includes a reference circuit that generates a first reference with a first non-zero temperature coefficient and a second reference with a second temperature coefficient having a different magnitude than the first non-zero temperature coefficient. A detector circuit on the integrated circuit, having temperature and process variation compensation, converts a difference between the first and second references into a digital signal indicating temperature on the integrated circuit.Type: ApplicationFiled: July 8, 2024Publication date: November 28, 2024Applicant: MACRONIX INTERNATIONAL CO., LTD.Inventors: Chia-Ming HU, Chung-Kuang CHEN, Chia-Ching LI, Chien-Fu HUANG
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Publication number: 20240339370Abstract: A method includes bonding a composite die on a redistribution structure. The composite die comprises a device die including a semiconductor substrate, a through-semiconductor via penetrating through the semiconductor substrate, a metal via at a surface of the device die, and a sacrificial carrier attached to the device die. The composite die is encapsulated in an encapsulant. A planarization process is performed on the composite die and the encapsulant, and the sacrificial carrier is removed to reveal the metal via. A conductive feature is formed to electrically couple to the metal via.Type: ApplicationFiled: June 5, 2023Publication date: October 10, 2024Inventors: Chien-Fu Tseng, Der-Chyang Yeh, Hung-Pin Chang, Cheng-Hsien Hsieh, Li-Han Hsu, Meng-Tsan Lee, Wei-Cheng Wu, Chin-Te Wang
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Publication number: 20240290771Abstract: An integrated circuit layout includes an upper active region comprising a first edge and a second edge extending along a first direction and respectively adjacent to an upper cell boundary by a distance D3 and a distance D4. A first gate line is disposed on the upper active region, extends along a second direction, and protrudes from the first edge by a length L3. A second gate line is disposed on the upper active region, extends along the second direction, and protrudes from the second edge by a length L4. Two dummy gate lines respectively extend along the second direction and are disposed at two sides of the upper active region and away from the upper cell boundary by a distance S. The first direction and the second direction are perpendicular. The distances D3, D4, S and the lengths L3 and L4 have the relationships: L3?D3?S, L4?D4?S, and D3?D4.Type: ApplicationFiled: May 8, 2024Publication date: August 29, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: Ruei-Yau Chen, Wei-Jen Wang, Kun-Yuan Wu, Chien-Fu Chen, Chen-Hsien Hsu
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Patent number: 12066386Abstract: A sampling device is provided, including: a syringe barrel having an opening and a holding portion; a plunger body having a protruding wall and disposed in the syringe barrel through the opening, where the protruding wall has a first recessed portion; a spring disposed around the plunger body; and a fastening assembly having an engaging structure for engaging the fastening assembly with the holding portion, a groove rail for receiving the protruding wall of the plunger body and a fastening portion for limiting displacement of the plunger body. A semi-automatic sample feeding device is further provided and includes the sampling device and a flow control device, and a test paper detection system is also provided and includes the semi-automatic sample feeding device and a test paper device. The test paper detection system is able to stably introduce samples, suitable for large-volume samples, which meets the needs of point-of-care applications.Type: GrantFiled: May 12, 2021Date of Patent: August 20, 2024Assignee: National Taiwan UniversityInventors: Chien-Fu Chen, Shih-Jie Chen, Jia-Hui Lin
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Patent number: 12061125Abstract: An integrated circuit includes a memory and peripheral circuits with a temperature sensor used to automatically adjust operating voltages. The temperature sensor includes a reference circuit that generates a first reference with a first non-zero temperature coefficient and a second reference with a second temperature coefficient having a different magnitude than the first non-zero temperature coefficient. A detector circuit on the integrated circuit, having temperature and process variation compensation, converts a difference between the first and second references into a digital signal indicating temperature on the integrated circuit.Type: GrantFiled: September 3, 2020Date of Patent: August 13, 2024Assignee: MACRONIX INTERNATIONAL CO., LTD.Inventors: Chia-Ming Hu, Chung-Kuang Chen, Chia-Ching Li, Chien-Fu Huang
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Publication number: 20240246076Abstract: Described are chips for detecting a target in a sample including a microfluidic flow chamber comprising one or more flow channels having a capture surface and at least one micromixer. Described are methods of using this chip wherein targets are identified by total internal reflection fluorescence (TIRF).Type: ApplicationFiled: February 9, 2024Publication date: July 25, 2024Inventors: Chih-Ping Mao, Shih-Chin Wang, Jie Xiao, T.C. Wu, Chien-Fu Hung
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Publication number: 20240186447Abstract: The present disclosure provides a light-emitting device comprising a substrate with a topmost surface; a first semiconductor stack arranged on the substrate, and comprising a first top surface separated from the topmost surface by a first distance; a first bonding layer arranged between the substrate and the first semiconductor stack; a second semiconductor stack arranged on the substrate, and comprising a second top surface separated from the topmost surface by a second distance which is different form the first distance; a second bonding layer arranged between the substrate and the second semiconductor stack; a third semiconductor stack arranged on the substrate, and comprising third top surface separated from the topmost surface by a third distance; and a third bonding layer arranged between the substrate and the third semiconductor stack; wherein the first semiconductor stack, the second semiconductor stack, and the third semiconductor stack are configured to emit different color lights.Type: ApplicationFiled: February 12, 2024Publication date: June 6, 2024Inventors: Chien-Fu HUANG, Chih-Chiang LU, Chun-Yu LIN, Hsin-Chih CHIU