Patents by Inventor Yu-Ting Cheng
Yu-Ting Cheng 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: 11964881Abstract: A method for making iridium oxide nanoparticles includes dissolving an iridium salt to obtain a salt-containing solution, mixing a complexing agent with the salt-containing solution to obtain a blend solution, and adding an oxidating agent to the blend solution to obtain a product mixture. A molar ratio of a complexing compound of the complexing agent to the iridium salt is controlled in a predetermined range so as to permit the product mixture to include iridium oxide nanoparticles.Type: GrantFiled: July 27, 2020Date of Patent: April 23, 2024Assignee: NATIONAL YANG MING CHIAO TUNG UNIVERSITYInventors: Pu-Wei Wu, Yi-Chieh Hsieh, Han-Yi Wang, Kuang-Chih Tso, Tzu-Ying Chan, Chung-Kai Chang, Chi-Shih Chen, Yu-Ting Cheng
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Publication number: 20240007793Abstract: A package structure of a micro speaker is provided. The package structure includes a substrate having a hollow chamber, a diaphragm suspended over the hollow chamber, a coil embedded in the diaphragm, a carrier board disposed on a bottom surface of the substrate, a first permanent magnetic element disposed on the carrier board and in the hollow chamber, and a lid wrapped around the substrate and the diaphragm. The diaphragm includes an etching pattern. One end of the lid exposes a portion of the top surface of the diaphragm.Type: ApplicationFiled: July 1, 2022Publication date: January 4, 2024Inventors: Yu-Xuan XU, Li-Jen CHEN, Yu-Ting CHENG, Shih-Chin GONG
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Patent number: 11818563Abstract: A package structure of a micro speaker is provided. The package structure includes a substrate, a diaphragm, a coil, an etch stop layer, a carrier board, a permanent magnetic element, and package lid. The substrate has a hollow chamber. The diaphragm is suspended over the hollow chamber. The coil is embedded in the diaphragm. The etch stop layer is positioned below the coil and overlaps the coil in the direction that is perpendicular to the top surface of the diaphragm. The etch stop layer is made of a metal material. The carrier board is disposed on the bottom surface of the substrate. The permanent magnetic element is disposed on the carrier board and in the hollow chamber. The package lid is wrapped around the substrate and the diaphragm, and has a lid opening that exposes a portion of the top surface of the diaphragm.Type: GrantFiled: June 2, 2022Date of Patent: November 14, 2023Assignee: FORTEMEDIA, INC.Inventors: Li-Jen Chen, Yu-Xuan Xu, Yu-Ting Cheng, Shih-Chin Gong
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Patent number: 11796779Abstract: A light path adjustment mechanism includes a bracket, a light valve, a carrier, a first axis, a second axis and an optical plate member. A surface normal of a surface of the light valve crosses the bracket to define an intersection closest to the surface of the light valve, and the bracket has an end point furthest from the intersection measured in the direction of the surface normal. A distance between the intersection and the surface measured in the direction of the surface normal is smaller than a distance between the intersection and the end point measured in the direction of the surface normal.Type: GrantFiled: March 18, 2020Date of Patent: October 24, 2023Assignee: YOUNG OPTICS INC.Inventors: Wei-Szu Lin, Yu-Chen Chang, Chih-Chien Lin, Yu-Ting Cheng, Kuan-Lun Cheng
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Patent number: 11742697Abstract: An inductive module with a miniaturized metamaterial structure includes an insulating substrate, two coil units, and a magnetic unit. The insulating substrate has opposing first and second surfaces and a through hole extending between the first and second surfaces. The coil units are respectively disposed on the first surface and the second surface of the insulating substrate, and are electrically connected to each other through the through hole. Each of the coil units includes a closed loop coil. The magnetic unit corresponds in position to a portion of the coil unit, surrounds said portion of the coil unit, and has an opening.Type: GrantFiled: August 10, 2022Date of Patent: August 29, 2023Assignee: National Yang Ming Chiao Tung UniversityInventors: Yu-Ting Cheng, Jui-Yu Hsu, Chung-Yu Wu, Ming-Dou Ker
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Publication number: 20230268769Abstract: An inductive module with a miniaturized metamaterial structure includes an insulating substrate, two coil units, and a magnetic unit. The insulating substrate has opposing first and second surfaces and a through hole extending between the first and second surfaces. The coil units are respectively disposed on the first surface and the second surface of the insulating substrate, and are electrically connected to each other through the through hole. Each of the coil units includes a closed loop coil. The magnetic unit corresponds in position to a portion of the coil unit, surrounds said portion of the coil unit, and has an opening.Type: ApplicationFiled: August 10, 2022Publication date: August 24, 2023Inventors: Yu-Ting CHENG, Jui-Yu HSU, Chung-Yu WU, Ming-Dou KER
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Publication number: 20230239628Abstract: A package structure of a micro speaker is provided. The package structure includes a substrate, a diaphragm, a coil, an etch stop layer, a carrier board, a permanent magnetic element, and package lid. The substrate has a hollow chamber. The diaphragm is suspended over the hollow chamber. The coil is embedded in the diaphragm. The etch stop layer is positioned below the coil and overlaps the coil in the direction that is perpendicular to the top surface of the diaphragm. The etch stop layer is made of a metal material. The carrier board is disposed on the bottom surface of the substrate. The permanent magnetic element is disposed on the carrier board and in the hollow chamber. The package lid is wrapped around the substrate and the diaphragm, and has a lid opening that exposes a portion of the top surface of the diaphragm.Type: ApplicationFiled: June 2, 2022Publication date: July 27, 2023Inventors: Li-Jen CHEN, Yu-Xuan XU, Yu-Ting CHENG, Shih-Chin GONG
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Publication number: 20230174868Abstract: A two-step process that includes a pyrolytic first step carried out in a mechanically or gravitationally impelled reactor and a catalytic fluid bed second step that upgrades the resulting vapor, for the conversion of waste plastics, polymers, and other waste materials to useful chemical and fuel products such as paraffins, olefins, and aromatics such as BTX is described.Type: ApplicationFiled: January 31, 2023Publication date: June 8, 2023Inventors: Leslaw Mleczko, Raghava Dasarathy, Greg Coil, Yu-Ting Cheng, Collin Schmidt, Jeff Whiting, Rocco Carabetta, Terry Mazanec
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Patent number: 11661355Abstract: The present invention provides an improved catalytic fast pyrolysis process for increased yield of useful and desirable products. In particular, the process comprises an improved catalytic fast pyrolysis process for producing aromatic compounds, such as, for example, benzene, toluene and xylenes, from biomass feedstock containing impurities, such as, for example alkali and alkaline earth metal, sulfur and nitrogen components.Type: GrantFiled: June 2, 2020Date of Patent: May 30, 2023Assignee: Anellotech, Inc.Inventors: Jian Shi, Charles Sorensen, Terry Mazanec, Ruozhi Song, Sandeep Goud, Scott Han, Yu-Ting Cheng, Victoria L. Frank, William F. Igoe, Jr., Marc Schneidkraut
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Patent number: 11665484Abstract: A package structure of a micro speaker includes a substrate, a diaphragm, a coil, a carrier board, a lid, a first permanent magnetic element, and a second permanent magnetic element. The substrate has a hollow chamber. The diaphragm is suspended over the hollow chamber. The coil is embedded in the diaphragm. The carrier board is disposed on the bottom surface of the substrate. The first permanent magnetic element is disposed on the carrier board and in the hollow chamber. The lid is wrapped around the substrate and the diaphragm. The lid exposes a portion of the top surface of the diaphragm. The second permanent magnetic element is disposed either above the lid or under the lid.Type: GrantFiled: October 22, 2021Date of Patent: May 30, 2023Assignee: FORTEMEDIA, INC.Inventors: Li-Jen Chen, Yu-Min Fu, Yu-Ting Cheng, Shih-Chin Gong
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Patent number: 11605443Abstract: The present disclosure provides a test method and a test apparatus for a semiconductor device. The test method includes: forming a plurality of test values based on a first retention time range and a first step size, and sequentially testing a plurality of memory cells in the semiconductor device based on the plurality of test values in ascending order; determining, during tests corresponding to each test value, a memory cell whose retention time is less than the test value, and recording a position and corresponding test value of the memory cell whose retention time is less than the test value, to form first test data; a similar method is applied to form second test data; and determining, based on the first test data and the second test data, positions and corresponding test values of memory cells whose retention times fail to pass the tests.Type: GrantFiled: January 18, 2022Date of Patent: March 14, 2023Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.Inventor: Yu-Ting Cheng
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Patent number: 11584888Abstract: A two-step process that includes a pyrolytic first step carried out in a mechanically or gravitationally impelled reactor and a catalytic fluid bed second step that upgrades the resulting vapor, for the conversion of waste plastics, polymers, and other waste materials to useful chemical and fuel products such as paraffins, olefins, and aromatics such as BTX is described.Type: GrantFiled: March 15, 2021Date of Patent: February 21, 2023Assignees: ANELLOTECH, INC., R PLUS JAPAN LIMITEDInventors: Leslaw Mleczko, Raghava Dasarathy, Greg Coil, Yu-Ting Cheng, Collin Schmidt, Jeff Whiting, Rocco Carabetta, Terry Mazanec
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Publication number: 20230009303Abstract: The present disclosure provides a test method and a test apparatus for a semiconductor device. The test method includes: forming a plurality of test values based on a first retention time range and a first step size, and sequentially testing a plurality of memory cells in the semiconductor device based on the plurality of test values in ascending order; determining, during tests corresponding to each test value, a memory cell whose retention time is less than the test value, and recording a position and corresponding test value of the memory cell whose retention time is less than the test value, to form first test data; a similar method is applied to form second test data; and determining, based on the first test data and the second test data, positions and corresponding test values of memory cells whose retention times fail to pass the tests.Type: ApplicationFiled: January 18, 2022Publication date: January 12, 2023Inventor: YU-TING CHENG
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Patent number: 11452472Abstract: A miniaturized sensing probe and a manufacturing method thereof are provided. The miniaturized sensing probe includes: a probe substrate including a probe part and a circuit connection part; a sensor disposed on the probe part and electrically connected to the circuit connection part; and a needle unit used to accommodate the probe part of the probe substrate; wherein the sensor performs sensing when placed into an analyte through the needle unit and transmits a sensing signal through the circuit connection part. The miniaturized sensing probe of the present invention may be easily placed into the analyte without the use of other instrument or surgery. This means is of benefit to a clinician performing an early diagnosis on a patient with a peripheral vascular disease or monitoring the biological value of the muscle during surgery in real time.Type: GrantFiled: November 1, 2019Date of Patent: September 27, 2022Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Yu-Ting Cheng, Erh-Chieh Liang, Kun-Lin Tsou, Yih-Sharng Chen
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Publication number: 20220290053Abstract: A two-step process that includes a pyrolytic first step carried out in a mechanically or gravitationally impelled reactor and a catalytic fluid bed second step that upgrades the resulting vapor, for the conversion of waste plastics, polymers, and other waste materials to useful chemical and fuel products such as paraffins, olefins, and aromatics such as BTX is described.Type: ApplicationFiled: March 15, 2021Publication date: September 15, 2022Inventors: Leslaw Mleczko, Raghava Dasarathy, Greg Coil, Yu-Ting Cheng, Collin Schmidt, Jeff Whiting, Rocco Carabetta, Terry Mazanec
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Publication number: 20220184855Abstract: The invention comprises methods of robotically separating unwanted heteroatom-containing materials from a plastic mixture and catalytically pyrolyzing the resulting mixed plastics to obtain olefins and aromatics. Systems and compositions useful in the catalytic pyrolysis of plastics are also described.Type: ApplicationFiled: December 14, 2021Publication date: June 16, 2022Inventors: Leslaw Mleczko, Yu-Ting Cheng, Gregory S. Coil, Harley Freeman
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Publication number: 20220141595Abstract: A package structure of a micro speaker includes a substrate, a diaphragm, a coil, a carrier board, a lid, a first permanent magnetic element, and a second permanent magnetic element. The substrate has a hollow chamber. The diaphragm is suspended over the hollow chamber. The coil is embedded in the diaphragm. The carrier board is disposed on the bottom surface of the substrate. The first permanent magnetic element is disposed on the carrier board and in the hollow chamber. The lid is wrapped around the substrate and the diaphragm. The lid exposes a portion of the top surface of the diaphragm. The second permanent magnetic element is disposed either above the lid or under the lid.Type: ApplicationFiled: October 22, 2021Publication date: May 5, 2022Inventors: Li-Jen CHEN, Yu-Min FU, Yu-Ting CHENG, Shih-Chin GONG
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Publication number: 20220043051Abstract: A testing method includes: a wafer under test is detected based on a pre-set test region to obtain detection results of a plurality of chips in the wafer under test; a discrete point distribution diagram of the detection results of the plurality of chips are obtained, a discrete point in the discrete point distribution diagram being used for representing a position of an abnormal chip in the wafer under test; the discrete point distribution diagram is divided into a plurality of test regions based on graphic distribution characteristics in the pre-set test region, and a test result distribution diagram for representing graphic characteristics of the discrete point distribution diagram is obtained; a correlation between the test result distribution diagram and the graphic distribution characteristics in the pre-set test region is obtained; and a test result of the wafer under test is obtained based on the correlation.Type: ApplicationFiled: August 25, 2021Publication date: February 10, 2022Applicant: CHANGXIN MEMORY TECHNOLOGIES, INC.Inventor: Yu-Ting CHENG
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Patent number: 11051106Abstract: A movable embedded microstructure includes a substrate, a diaphragm, a circuit board, a permanent magnetic element, and a multi-layered coil. The substrate has a hollow chamber. The diaphragm is disposed on the substrate, and covers the hollow chamber. The circuit board is bonded to the substrate. The permanent magnetic element is disposed on the circuit board and in the hollow chamber. The multi-layered coil is embedded in the diaphragm.Type: GrantFiled: April 29, 2019Date of Patent: June 29, 2021Assignee: FORTEMEDIA, INC.Inventors: Li-Jen Chen, Yu-Min Fu, Yu-Ting Cheng, Shih-Chin Gong
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Patent number: 10978902Abstract: A wireless charging device includes a wireless charging transmitter transmitting a charging signal to a signal gain module to generate at least one gain signal. The signal gain module includes an insulation substrate with an upper surface thereof provided with a first conductive wire. The first conductive wire makes at least one turns arranged along the inner edge of the insulation substrate. The lower surface of the insulation substrate is provided with a second conductive wire whose position corresponds to the position of the first conductive wire. A connecting element is arranged between the first conductive wire and the second conductive wire, such that the first conductive wire is electrically connected to the second conductive wire through the connecting element. The present invention provides a charging signal with high intensity to avoid the low charging efficiency caused by deflection and too long a distance.Type: GrantFiled: March 21, 2019Date of Patent: April 13, 2021Assignee: National Chiao Tung UniversityInventors: Ming-Dou Ker, Yu-Ting Cheng, Kuan-Jung Chen, Wei-Ming Chen, Chung-Yu Wu