Patents by Inventor Fei Chang
Fei Chang 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: 20250069659Abstract: A memory circuit includes a plurality of bitcells coupled to a plurality of bitlines, a plurality of wordlines, a plurality of source lines, and a control line. A first of the bitcells and a second of the bitcells are coupled to a first of the bitlines. The first bitcell is coupled to a first of the source lines. The second bitcell is coupled to a second of the source lines. The first source line is different from the second source line.Type: ApplicationFiled: November 15, 2024Publication date: February 27, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yih WANG, Tung-Cheng CHANG, Perng-Fei YUH, Gu-Huan LI, Chia-En HUANG, Chun-Ying LEE
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Publication number: 20250063750Abstract: The present disclosure describes a structure with a conductive plate and a method for forming the structure. The structure includes a gate structure disposed on a diffusion region of a substrate, a protective layer in contact with the diffusion region and covering a sidewall of the gate structure and a portion of a top surface of the gate structure, and a first insulating layer in contact with the gate structure and the protective layer. The structure further includes a conductive plate in contact with the first insulating layer, where a first portion of the conductive plate laterally extends over a horizontal portion of the protective layer, and where a second portion of the conductive plate extends over a sidewall portion of the protective layer covering the sidewall of the gate structure. The structure further includes a second insulating layer in contact with the conductive plate.Type: ApplicationFiled: November 7, 2024Publication date: February 20, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chan-Yu HUNG, Chia-Cheng Ho, Fei-Yun Chen, Yu-Chang Jong, Puo-Yu Chiang, Tun-Yi Ho
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Patent number: 12230338Abstract: A memory device and a method of operating a memory device are disclosed. In one aspect, the memory device includes a plurality of non-volatile memory cells, each of the plurality of non-volatile memory cells is operatively coupled to a word line, a gate control line, and a bit line. Each of the plurality of non-volatile memory cells comprises a first transistor, a second transistor, a first diode-connected transistor, and a capacitor. The first transistor, second transistor, first diode-connected transistor are coupled in series, with the capacitor having a first terminal connected to a common node between the first diode-connected transistor and the second transistor.Type: GrantFiled: April 4, 2024Date of Patent: February 18, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Perng-Fei Yuh, Tung-Cheng Chang, Gu-Huan Li, Chia-En Huang, Chun-Ying Lee, Yih Wang
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Patent number: 12232333Abstract: A method for fabricating an integrated circuit is provided. The method includes depositing a dielectric layer over a conductive feature; etching an opening in the dielectric layer to expose the conductive feature, such that the dielectric layer has a tapered sidewall surrounding the opening; depositing a bottom electrode layer into the opening in the dielectric layer; depositing a resistance switch layer over the bottom electrode layer; patterning the resistance switch layer and the bottom electrode layer respectively into a resistance switch element and a bottom electrode, in which a sidewall of the bottom electrode is landing on the tapered sidewall of the dielectric layer.Type: GrantFiled: July 28, 2023Date of Patent: February 18, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chieh-Fei Chiu, Wen-Ting Chu, Yong-Shiuan Tsair, Yu-Wen Liao, Chih-Yang Chang, Chin-Chieh Yang
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Publication number: 20250046492Abstract: A cable includes: a core wire; a sheath covering the core wire; a shielding layer covering the sheath; and an outer insulating layer covering the shielding layer; wherein the core wire includes a pair of inner core wires and an insulating layer covering the pair of inner core wires by extrusion molding, each of the pair of inner core wires includes an inner conductor and an inner insulating layer covering the inner conductor, and the sheath wraps the insulating layer in a spiral winding way.Type: ApplicationFiled: August 1, 2024Publication date: February 6, 2025Inventors: WEI XING, A-NAN YANG, XIAO-FEI LIU, HAN-RUN XIE, LU-YU CHANG
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Patent number: 12214436Abstract: A laser soldering system includes a laser source module, a polarization adjusting assembly, a temperature sensor, and a controller. The laser source module is configured to emit a laser beam. The polarization adjusting assembly includes a plurality of polarization elements and at least one stepping motor. The polarization elements are configured to split the laser beam into a Gaussian beam and a ring-shaped beam. The Gaussian beam illuminates the first element, and the ring-shaped beam is illuminates the second element. The stepping motor is configured to adjust a size of the ring-shaped beam. The temperature sensor is configured to monitor temperatures of the first element and a temperature of the second element. The controller is electrically connected to the temperature sensor, the laser source module, and the polarization adjusting assembly.Type: GrantFiled: December 8, 2021Date of Patent: February 4, 2025Assignee: DELTA ELECTRONICS, INC.Inventors: Yu-Chen Chang, Chun-Fei Kung, Shih-Yung Chiu, Shu-Han Wu
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Patent number: 12218015Abstract: An apparatus includes a beam conditioning assembly configured to output one or more wavelengths to a substrate being processed and receive one or more reflected wavelengths from the substrate, and a machine learning device configured to process the one or more reflected wavelengths to predict a process variable and compare the predicted process variable with a measured process variable to obtain a comparison result.Type: GrantFiled: August 10, 2021Date of Patent: February 4, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chansyun Yang, Chan-Lon Yang, Keh-Jeng Chang, Perng-Fei Yuh
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Patent number: 12211918Abstract: A semiconductor device with different configurations of nanostructured channel regions and a method of fabricating the semiconductor device are disclosed. The semiconductor device includes a fin structure disposed on a substrate, a stack of nanostructured horizontal channel (NHC) regions disposed on the fin structure, a nanostructured vertical channel (NVC) region disposed within the stack of NHC regions, a source/drain (S/D) region disposed on the fin structure, and a gate structure disposed on the NHC regions and on portions of the NVC region that are not covered by the NHC regions and the fin structure.Type: GrantFiled: August 8, 2023Date of Patent: January 28, 2025Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chansyun David Yang, Keh-Jeng Chang, Chan-Lon Yang, Perng-Fei Yuh
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Publication number: 20240360762Abstract: Disclosed is a method for backfilling and reconstructing a carbon storage space in an abandoned main roadway and storing CO2. A surrounding rock of the main roadway is surveyed through geophysical exploration technology, and an anchor bolts (anchor cables) are used to reinforce and support an area which has unstable confining pressure bearing. According to a width and a height of the roadway section of the main roadway, a support formwork is forged in advance, and after the support formwork is placed in the main roadway, backfilling slurry is injected to the periphery of the support formwork. Meanwhile, supercritical carbon dioxide is injected into the backfilling slurry and the roadway, respectively.Type: ApplicationFiled: August 3, 2023Publication date: October 31, 2024Applicant: Taiyuan University of TechnologyInventors: Guorui FENG, Junbiao MA, Jinwen BAI, Ruikai PAN, Yanna HAN, Xudong SHI, Jiachen MI, Guowei WU, Jun GUO, Fei CHANG
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Publication number: 20240360761Abstract: Disclosed is a combined process of integrating stoping-backfilling and carbon storage. The combined process includes the following steps of: determining a cyclic interval of a working face through measured data of a mine pressure of a fully-mechanized coal winning working face; when the stoping distance of the fully-mechanized coal winning working face reaches a backfilling isolation interval, providing a backfilling tarpaulin behind a hydraulic support, and pumping, through a backfilling pipeline, backfilling slurry to a backfilling area along a support beam; when the area is backfilled with the backfilling slurry, injecting supercritical carbon dioxide into the backfilling slurry; and allowing the supercritical carbon dioxide to fully react with the backfilling slurry to solidify the backfilling slurry.Type: ApplicationFiled: August 3, 2023Publication date: October 31, 2024Applicant: Taiyuan University of TechnologyInventors: Jinwen BAI, Junbiao MA, Yanna HAN, Ruikai PAN, Xudong SHI, Gowei WU, Jun GUO, Jian LI, Fei CHANG
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Publication number: 20230243022Abstract: A forming powder for a forming part with a low high-temperature durability anisotropy by additive manufacturing, which can be used for forming the forming part with low high-temperature durability anisotropy, a method for forming a forming part with a low high-temperature durability anisotropy, and a forming part with a low high-temperature durability anisotropy. The forming powder is composed of the following chemical components in terms of mass percentage (wt-%): 0.03%?C?0.09%, 20.50%?Cr?23.00%, 0.50%?Co?2.50%, 8.00%?Mo?10.00%, 0.20%?W?1.00%, 17.00%?Fe?20.00%, 0%?B?0.002%, 0%?Mn?1.00%, 0.0375%?Si?0.15%, 0%?O?0.02%, 0%?N?0.015%, the rest are Ni and inevitable impurities; wherein 0.2?C/Si?1.0.Type: ApplicationFiled: October 21, 2021Publication date: August 3, 2023Applicants: AECC SHANGHAI COMMERCIAL AIRCRAFT ENGINE MANUFACTURING CO., LTD., AECC COMMERCIAL AIRCRAFT ENGINE CO., LTD.Inventors: Huipeng HOU, Liming LEI, Fei CHANG, Jun FU
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Publication number: 20230150028Abstract: A non-destructive testing method for crack defects, and a testing standard part and a manufacturing method thereof, used for the non-destructive testing of crack defects of an additive manufacturing workpiece. The manufacturing method of the crack defect standard part comprises: step A, setting a crack defect area of the standard part, in the crack defect area, the proportion of the crack defects in the crack defect area is set as a first proportion value; step B, selecting an additive manufacturing forming process for manufacturing the crack defect area to obtain a first process parameter of the additive manufacturing forming process corresponding to the first proportion value; and step C, performing the additive manufacturing forming process based on the first process parameter to form the crack defect area. The non-destructive testing method for crack defects of the present invention has the advantages of accurate and reliable testing results.Type: ApplicationFiled: December 28, 2020Publication date: May 18, 2023Applicants: AECC SHANGHAI COMMERCIAL AIRCRAFT ENGINE MANUFACTURING CO., LTD., AECC COMMERCIAL AIRCRAFT ENGINE CO., LTD.Inventors: Yali LI, Liming LEI, Xiaohui CHEN, Jun FU, Fei CHANG
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Patent number: 11158314Abstract: A voice control device includes a user database, a first image capturing module, a voice command module and a management module. The user database stores first user identification data of a first user account. The first image capturing module captures an environmental image. The voice command module is enabled to receive a voice command for controlling the voice control device. The management module is used to detect whether at least one facial image exists in the environmental image, and detect whether the facial image matches with the first user identification data, and when the facial image matches with the first user identification data, the management module logs in the first user account and enables the voice command module.Type: GrantFiled: April 15, 2019Date of Patent: October 26, 2021Assignee: PEGATRON CORPORATIONInventors: Cheng-Yu Kao, Nien-Chih Wang, Yu-Hung Tseng, Yueh-Fei Chang, Chih-Lun Wang
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Patent number: 11077685Abstract: A printing device (100, 200) may include a carriage (101, 201) to hold an integrated printhead (103, 203) in the printing device; a manifold latch (105, 205) to connect the integrated printhead and an ink tank connector in a locked position; and a controller (109, 209) to align the carriage within the printing device based on a level of health of the integrated printhead and a latching position of the manifold latch. Furthermore, a non-transitory computer readable medium and a printing method are disclosed.Type: GrantFiled: July 29, 2016Date of Patent: August 3, 2021Assignee: Hewlett-Packard Development Company, L.P.Inventors: Xin-Ling Wu, Ying Fang, Wei-Fei Chang, Qiang Tang
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Publication number: 20210187983Abstract: A printing device (100, 200) may include a carriage (101, 201) to hold an integrated printhead (103, 203) in the printing device; a manifold latch (105, 205) to connect the integrated printhead and an ink tank connector in a locked position; and a controller (109, 209) to align the carriage within the printing device based on a level of health of the integrated printhead and a latching position of the manifold latch. Furthermore, a non-transitory computer readable medium and a printing method are disclosed.Type: ApplicationFiled: July 29, 2016Publication date: June 24, 2021Applicant: Hewlett-Packard Development Company, L.P.Inventors: Xin-Ling WU, Ying FANG, Wei-Fei CHANG, Qiang TANG
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Publication number: 20210056451Abstract: This disclosure provides a solution for processing outliers in a time series. In the method, a time series model is obtained based on a first set of observed values. Outliers are identified from the first set of observed values based on the differences between the first set of observed values and a first set of predicted values. The first set of predicted values is obtained from the first set of observed values by using the time series model. A model evaluation measure representing differences between a second set of observed values and a second set of predicted values is calculated. The second set of predicted values is obtained from the second set of observed values by using the time series model. And replacement values for the outliers are determined in response to the model evaluation measure not meeting a predefined criterion.Type: ApplicationFiled: August 19, 2019Publication date: February 25, 2021Inventors: Si Er Han, Song Bo, Peng Fei Chang, Jun Wang
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Patent number: 10891646Abstract: A method of locating one or more endpoint connectors of a network cable wherein the network cable includes a first endpoint connector and a second endpoint connector comprises: one or more processors capturing an incoming packet carrying therein a specific identifier, wherein the specific identifier is a specific bit string that has been predefined to trigger an activation of one or more indicating devices located on one or more endpoint connectors on the network cable; determining that the incoming packet carries therein the specific identifier; and in response to determining that the incoming packet carries therein the specific identifier, triggering an activation of a first indicating device indicative of a location of the first endpoint connector.Type: GrantFiled: January 31, 2019Date of Patent: January 12, 2021Assignee: International Business Machines CorporationInventors: Chun-Fei Chang, Ming Da Ho, Ming-Pin Hsueh, Ya Hsuan Tsai
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Publication number: 20190371323Abstract: A voice control device includes a user database, a first image capturing module, a voice command module and a management module. The user database stores first user identification data of a first user account. The first image capturing module captures an environmental image. The voice command module is enabled to receive a voice command for controlling the voice control device. The management module is used to detect whether at least one facial image exists in the environmental image, and detect whether the facial image matches with the first user identification data, and when the facial image matches with the first user identification data, the management module logs in the first user account and enables the voice command module.Type: ApplicationFiled: April 15, 2019Publication date: December 5, 2019Inventors: CHENG-YU KAO, NIEN-CHIH WANG, YU-HUNG TSENG, YUEH-FEI CHANG, CHIH-LUN WANG
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Patent number: 10399953Abstract: The present invention provides methods of making furfural fatty acids from (chloromethyl)furfural. The present invention also provides furfural fatty acids and nutritional supplements that include furfural fatty acids.Type: GrantFiled: September 14, 2016Date of Patent: September 3, 2019Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Mark Mascal, Fei Chang
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Publication number: 20190188746Abstract: A method of locating one or more endpoint connectors of a network cable wherein the network cable includes a first endpoint connector and a second endpoint connector comprises: one or more processors capturing an incoming packet carrying therein a specific identifier, wherein the specific identifier is a specific bit string that has been predefined to trigger an activation of one or more indicating devices located on one or more endpoint connectors on the network cable; determining that the incoming packet carries therein the specific identifier; and in response to determining that the incoming packet carries therein the specific identifier, triggering an activation of a first indicating device indicative of a location of the first endpoint connector.Type: ApplicationFiled: January 31, 2019Publication date: June 20, 2019Inventors: Chun-FeI Chang, Ming Da Ho, Ming-Pin Hsueh, Ya Hsuan Tsai