Patents Assigned to National Tsing Hua University
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Publication number: 20230144108Abstract: A vapor chamber device adapted to be thermally coupled to a heat source includes a first casing and a second casing. The first casing includes a first plate, a first capillary structure at an inner surface of the first plate, and a first lateral wall protruding from the inner surface and surrounding the first capillary structure. The heat source is adapted to contact an outer surface of the first plate. The second casing is stacked on the first casing and includes a second plate, a plurality of supporting posts protruding from the second plate, and a second lateral wall protruding from the second plate and surrounding the supporting posts. The supporting posts face towards the first capillary structure, and the first lateral wall is connected to the second lateral wall.Type: ApplicationFiled: January 12, 2023Publication date: May 11, 2023Applicant: National Tsing Hua UniversityInventor: Shwin-Chung Wong
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Patent number: 11644250Abstract: A vapor chamber device adapted to be thermally coupled to a heat source includes a first casing and a second casing. The first casing includes a first plate, a first capillary structure at an inner surface of the first plate, and a first lateral wall protruding from the inner surface and surrounding the first capillary structure. The heat source is adapted to contact an outer surface of the first plate. The second casing is stacked on the first casing and includes a second plate, a plurality of supporting posts protruding from the second plate, and a second lateral wall protruding from the second plate and surrounding the supporting posts. The supporting posts face towards the first capillary structure, and the first lateral wall is connected to the second lateral wall.Type: GrantFiled: February 4, 2020Date of Patent: May 9, 2023Assignee: National Tsing Hua UniversityInventor: Shwin-Chung Wong
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Publication number: 20230137073Abstract: A high strength and wear resistant multi-element copper alloy is disclosed. The multi-element copper alloy comprises: 80-90 atomic percent Cu, 0.1-4 atomic percent Al, 6-10 atomic percent Ni, 0.1-3 atomic percent Si, 0.1-2 atomic percent V and/or Nb, and 0.1-2 atomic percent M. Experimental data reveal that, after being applied with an aging treatment under 450 degrees Celsius for 50 hours, hardness and strength of the multi-element copper alloy are both significantly enhanced because of age hardening, and softening due to overaging is not observed on the multi-element copper alloy. Moreover, measurement data have indicated that, this novel multi-element copper alloy exhibits better wear resistance superior to that of the conventional copper alloys.Type: ApplicationFiled: December 28, 2022Publication date: May 4, 2023Applicant: National Tsing Hua UniversityInventor: Jien-Wei Yeh
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Publication number: 20230131336Abstract: A material processing apparatus is disclosed. This material processing apparatus is particularly developed to utilize a quasi-traveling microwave to conduct heat treatment for a thread-type article like fiber, silk, artificial fiber, and artificial silk. The material processing apparatus comprises a primary waveguide tube, a microwave blocking plate, a secondary waveguide tube, and at least one microwave absorbing member disposed of in the primary waveguide tube. By such design, a microwave source supplies a microwave to the secondary waveguide tube and the primary waveguide tube, such that the microwave travels in the two waveguide tubes so as to become a quasi-traveling microwave. Therefore, in the case of a thread-type article being be fed into the primary waveguide tube via the secondary waveguide tube by a thread-type article transferring mechanism, the thread-type article is steadily and evenly heated by the quasi-traveling microwave in the two waveguide tubes.Type: ApplicationFiled: December 2, 2021Publication date: April 27, 2023Applicant: National Tsing Hua UniversityInventors: Tsun-Hsu Chang, Hsein-Wen Chao, Hung-Chun Hsu, Yan-Ren Chen
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Patent number: 11634798Abstract: A low modulus corrosion-resistant alloy is disclosed, and comprises five principal elements, wherein the five principal elements are Zr, Nb, Ti, Mo, and Sn. Experimental data reveal that, samples of the low modulus corrosion-resistant alloy all include following characteristics: hardness of at least 250 HV, Young's modulus less than 100 GPa, yield strength greater than 600 MPa, and critical pitting potential greater than 1.3V. As a result, experimental data have proved that this low modulus corrosion-resistant alloy has a significant potential for application in the manufacture of biomedical articles including medical devices and surgical implants. In addition, this low modulus corrosion-resistant alloy is also suitable for application in the manufacture of various industrially-producible articles, including springs, coils, wires, clamps, fasteners, blades, valves, elastic sheets, spectacle frames, sports equipment, and other high-strength low-modulus corrosion-resistant structural materials.Type: GrantFiled: June 18, 2021Date of Patent: April 25, 2023Assignee: NATIONAL TSING HUA UNIVERSITYInventor: Jien-Wei Yeh
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Patent number: 11634543Abstract: The present disclosure provides a polyimide polymer, which includes a repeating unit represented by formula (I). Formula (I) is defined as in the specification. The present disclosure further provides a polyimide mixture and a polyimide film, wherein the polyimide mixture is prepared by the polyimide polymer, and the polyimide film is prepared by the polyimide mixture.Type: GrantFiled: May 7, 2021Date of Patent: April 25, 2023Assignee: National Tsing Hua UniversityInventors: Chien-Ho Huang, Ying-Ling Liu
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Publication number: 20230118709Abstract: A method for detecting an undesired connection forming a short circuit on a printed circuit board (PCB) based on an original image of the PCB includes steps of: performing binarization on the original image to generate a binary image that has an external boundary; determining, on the binary image, a trace area that corresponds to a trace of the PCB; determining whether the trace area contacts the external boundary of the binary image at four places; and determining that the trace that corresponds to the trace area has an undesired connection forming a short circuit when it is determined that the trace area contacts the external boundary of the binary image at four places.Type: ApplicationFiled: July 26, 2022Publication date: April 20, 2023Applicant: National Tsing Hua UniversityInventors: Ming-Tsang LEE, Wei-Chih CHEN, Jia-Wei LU, Yu-Bin CHEN
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Patent number: 11621723Abstract: An input-shaping method for a group-modulated input scheme in a plurality of computing-in-memory applications is configured to shape a plurality of multi-bit input signals. The input-shaping method for the group-modulated input scheme in the plurality of computing-in-memory applications includes performing an input splitting step, a threshold setting step and an input shaping step. The input splitting step includes splitting the multi-bit input signals into a plurality of input sub-groups via an input-shaping unit. The threshold setting step includes setting at least one shaping threshold via the input-shaping unit. The input shaping step includes shaping at least one of the input sub-groups according to the at least one shaping threshold via the input-shaping unit to form a plurality of shaped multi-bit input signals so as to increase a probability of a bit equal to 0 occurring in the at least one of the input sub-groups.Type: GrantFiled: March 15, 2021Date of Patent: April 4, 2023Assignee: NATIONAL TSING HUA UNIVERSITYInventors: Fu-Chun Chang, Ta-Wei Liu, Cheng-Xin Xue, Sheng-Po Huang, Yen-Hsiang Huang, Meng-Fan Chang
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Publication number: 20230093921Abstract: The invention provides an oriented and covalent method for immobilizing a glycoprotein and an antibody on a chip. The method includes providing a silver-coated solid surface equipped with alkynes and cuprous oxide nanoparticles. The azido boronic acid tosyl probe is conjugated to the silver-coated solid surface by the cuprous oxide nanoparticles through the self-catalyzed azide-alkyne cycloaddition reaction. The glycan(s) of a glycoprotein or an antibody is provided to the boronic acid tosyl probe, and alcohol groups of the glycan(s) of the glycoprotein or the antibody and the boronic acid group of boronic acid tosyl probe form boronate ester. The nucleophilic residues on the glycoprotein or the antibody replace the tosyl group by SN2 reaction, so as to immobilize the glycoprotein or the antibody through the covalent bond formation.Type: ApplicationFiled: January 6, 2022Publication date: March 30, 2023Applicant: National Tsing Hua UniversityInventors: Chun-Cheng Lin, Avijit K. Adak, Chen-Yu Fan
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Patent number: 11609185Abstract: A portable ring-type fluorescence optical system for observing microfluidic channel and an operating method thereof are disclosed. The portable ring-type fluorescence optical system includes a photographic chip, a first polarizer, an objective lens, a ring-type fluorescent light source, a biological sample on a microfluidic chip, a second polarizer and a bottom illumination light source arranged in order from top to bottom. The ring-type fluorescent light source is used to generate a ring-type fluorescent light to the biological sample on the microfluidic chip. The objective lens is used to magnify a fluorescent image of the biological sample on the microfluidic chip to focus on the photographic chip. The first polarizer disposed under the photographic chip and the second polarizer disposed under the biological sample form a non-zero angle to each other to block reflected lights that the biological sample reflects the lights emitted by the bottom illumination light source.Type: GrantFiled: August 9, 2021Date of Patent: March 21, 2023Assignee: NATIONAL TSING HUA UNIVERSITYInventors: Sung-Yang Wei, Long Hsu, Hwan-You Chang, Huang-Ming Chen, Jen-Tsan Chi, Chung-Cheng Chou, Yuh-Cherng Lai, Hung-Yu Yeh, Ting-Chou Wei, Yun-Ting Yao, Cheng-Hsien Liu
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Publication number: 20230084179Abstract: Provided is a wafer notch automated aligner, including a main body, a wafer rotation mechanism, and a wafer positioning mechanism. The main body has a wafer boat placement portion. The wafer rotation mechanism is disposed on the main body and includes a rotor, the rotor extends through the wafer boat placement portion, and an angle between an axis of the rotor and the main body is between 0° and 90°. The wafer positioning mechanism is disposed on the main body and includes a positioning member, the positioning member extends through the wafer boat placement portion, and an axis of the positioning member is parallel to the axis of the rotor. Hence, a plurality of wafers is disposed in a stepped arrangement by the inclined rotor and the inclined positioning member, and the wafer notch automated aligner can rotate wafers, align notches, and identify wafer identifications.Type: ApplicationFiled: November 4, 2021Publication date: March 16, 2023Applicant: National Tsing Hua UniversityInventors: Wei-Chang YEH, Shi-Yi TAN
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Patent number: 11584995Abstract: A clustered reaction system includes multiple reaction devices, a cooling device and a gas supply device. Each of the reaction devices includes a reaction tank unit defining a reaction space, multiple through holes extending through the reaction tank unit, a heat exchange module including a heat exchange passage surrounding the reaction tank, and an injection module extending through one of the through hole. The cooling device is connected to the heat exchange passages of the reaction devices for supplying a coolant into the heat exchange passages. The gas supply device is communicated fluidly with one of the through holes of each of the reaction devices for supplying a gas to the reaction devices.Type: GrantFiled: October 22, 2020Date of Patent: February 21, 2023Assignee: NATIONAL TSING HUA UNIVERSITYInventors: Shih-Jung Ho, Hsueh-Shih Chen
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Patent number: 11588136Abstract: A manufacturing method of an organic light-emitting diode is provided in the present disclosure. The manufacturing method of the organic light-emitting diode includes steps as follows. A substrate is provided and a layered structure forming step is performed. In the layered structure forming step, an anode layer, a scattering layer, an emissive layer and a cathode layer are sequentially formed on the substrate, so as to obtain an organic light-emitting diode. A material of the scattering layer is a quasicrystalline material.Type: GrantFiled: March 23, 2021Date of Patent: February 21, 2023Assignee: NATIONAL TSING HUA UNIVERSITYInventors: Sinn-Wen Chen, Anbalagan Ramakrishnan, Sudam Chavhan, Kiran Kishore Kesavan, Mangey Ram Nagar, Jwo-Huei Jou
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Publication number: 20230051620Abstract: A high chromium and silicon-rich corrosion resistant steel is disclosed, which comprises, in weight percent: 22-30% Cr, 2-10% Si, and the balance Fe and incidental impurities, of which a content amount of Cr and Si is less than 37%. Experimental data reveal that, samples of the high chromium and silicon-rich corrosion resistant steel all have a pitting potential greater than 0.8 V and a hardness in a range between HV170 and HV500 in the as-homogenized condition. As a result, experimental data have proved that the high chromium and silicon-rich corrosion resistant steel of the present invention can replace conventional stainless steels having poor pitting resistance like type 304 and type 316 L, and then be adopted for the applications of components and/or structural parts requiring high corrosion resistance.Type: ApplicationFiled: August 9, 2021Publication date: February 16, 2023Applicant: National Tsing Hua UniversityInventor: Jien-Wei Yeh
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Publication number: 20230048885Abstract: A catalyst adapted for generating hydrogen peroxide induced by a temperature difference and a method for environmental disinfection using the same are provided. The catalyst includes a thermoelectric material distributed on a substrate. The thermoelectric material induces a reaction between water vapor and oxygen contained in the air through a temperature difference to generate hydrogen peroxide, to serve a sterilization function through the hydrogen peroxide generated. The method for environmental disinfection using the catalyst includes the following. The catalyst is placed in an environment with a temperature difference. The catalyst is caused to induce a reaction between water vapor and oxygen contained in air through the temperature difference to generate hydrogen peroxide without applying power, and serve a sterilization function through the hydrogen peroxide generated.Type: ApplicationFiled: November 9, 2021Publication date: February 16, 2023Applicant: National Tsing Hua UniversityInventors: Zong-Hong Lin, Yu-Jiung Lin, Imran Khan
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Patent number: 11578346Abstract: The present disclosure relates to a transformant for producing 2,5-furandicarboxylic acid. The transformant for producing 2,5-furandicarboxylic acid includes a Pseudomonas putida and at least one exogenous gene. The exogenous gene is an HmfH gene or an HMFO gene, and the exogenous gene is integrated into the chromosome of the Pseudomonas putida.Type: GrantFiled: December 1, 2020Date of Patent: February 14, 2023Assignees: National Tsing Hua University, Chang Chun Plastics Co., Ltd., Chang Chun Petrochemical Co., Ltd., Dairen Chemical Corp.Inventors: Yu-Chen Hu, Nam Ngoc Pham
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Publication number: 20230039490Abstract: A lung breathing chip and cell stretching culture platform and an operating method thereof are disclosed. The lung breathing chip and cell stretching culture platform controls the output of the motor by programming, stretches the micro-fluidic chip by the cam component, changes the size of the cam component and the frequency of the motor rotation to change the stretching frequency and the amount of stretching to simulate the breathing of the lungs in different states, uses liquid electrophoresis technology to arrange the cells in the biocompatible hydrogel and the hydrogel three-dimensionally to imitate the three-dimensional cell tissue, and injects drugs through the dynamic perfusion system to realize the drug testing platform that the cells of the chip bionic lung tissue are stretched.Type: ApplicationFiled: August 9, 2021Publication date: February 9, 2023Applicants: NATIONAL TSING HUA UNIVERSITY, TAIPEI MEDICAL UNIVERSITYInventors: Cheng-Yu HUANG, Chun-Hui SUNG, Pin-Tzu LAI, Chia-Ming HSU, Yi-Ying LIANG, Kang-Yun LEE, Shu-Chuan HO, Weilun SUN, Cheng-Hsien LIU
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Patent number: 11572631Abstract: A method for electrolysis of water and a method for preparing a catalyst for electrolysis of water are provided. The method for electrolysis of water includes using a high entropy alloy as a catalyst. Further, the method for preparing a catalyst for electrolysis of water includes the steps of placing a substrate in an aqueous electrolyte containing a high entropy alloy precursor and performing an electroplating process on the substrate to form a high entropy alloy catalyst on the substrate.Type: GrantFiled: September 22, 2021Date of Patent: February 7, 2023Assignees: National Tsing Hua University, Chang Chun Plastics Co., Ltd., Chang Chun Petrochemical Co., Ltd., DAIREN CHEMICAL CORP.Inventors: Chun-Lun Huang, Shih-Yuan Lu
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Publication number: 20230033472Abstract: A memory includes a memory device, a reading device and a feedback device. The memory device stores a plurality of bits. The reading device includes first and second reading circuits coupled to the memory device. The second reading circuit is coupled to the first reading circuit at a first node. The first and second reading circuits cooperates with each other to generate a first voltage signal at the first node based on at least one first bit of the plurality of bits. The feedback device adjusts at least one of the first reading circuit or the second reading circuit based on the first voltage signal. The first and second reading circuits generate a second voltage signal, different from the first voltage signal, corresponding to the bits, after the at least one of the first reading circuit or the second reading circuit is adjusted by the feedback device.Type: ApplicationFiled: March 26, 2022Publication date: February 2, 2023Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., NATIONAL TSING HUA UNIVERSITYInventors: Meng-Fan CHANG, Yen-Cheng CHIU
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Publication number: 20230026707Abstract: A device includes a semiconductor fin, an isolation structure, a gate structure, source/drain structures, a sensing contact, a sensing pad structure, and a reading contact. The semiconductor fin includes a channel region and source/drain regions on opposite sides of the channel region. The isolation structure laterally surrounds the semiconductor fin. The gate structure is over the channel region of the semiconductor fin. The source/drain structures are respectively over the source/drain regions of the semiconductor fin. The sensing contact is directly on the isolation structure and adjacent to the gate structure. The sensing pad structure is connected to the sensing contact. The reading contact is directly on the isolation structure and adjacent to the gate structure.Type: ApplicationFiled: February 11, 2022Publication date: January 26, 2023Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., NATIONAL TSING HUA UNIVERSITYInventors: Ya-Chin KING, Chrong Jung LIN, Burn Jeng LIN, Shi-Jiun WANG