Patents Assigned to National Sun Yat-Sen University
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Patent number: 11101141Abstract: A method for reducing defects of an electronic component using a supercritical fluid includes recrystallizing and rearranging grains in the electronic component by introducing the supercritical fluid doped with H2S together with an electromagnetic wave into a cavity. The cavity has a temperature above a critical temperature of the supercritical fluid and a pressure above a critical pressure of the supercritical fluid.Type: GrantFiled: July 15, 2019Date of Patent: August 24, 2021Assignee: NATIONAL SUN YAT-SEN UNIVERSITY KZInventors: Ting-Chang Chang, Kuan-Chang Chang, Chih-Cheng Shih, Chih-Hung Pan
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Publication number: 20210237182Abstract: An automatic nut tapping equipment is provided. The automatic nut tapping equipment includes a tap rotating mechanism, a nut clamping mechanism, an axial transmission mechanism, and a nut placing slot. The tap rotating mechanism includes a tap rotary motor and a tap, wherein the tap is driven by the tap rotary motor. The nut clamping mechanism includes a clamping assembly and a sliding rail, wherein the clamping assembly is disposed on the sliding rail and is configured for clamping a to-be-tapped nut to restrict the to-be-tapped nut from rotating. The axial transmission mechanism controls the clamping assembly to axially translate one pitch in response to the tap rotating one revolution, such that a forward nut-tapping motion and a backward nut-retracting motion are performed by the nut clamping mechanism. The nut placing slot is configured to arrange and control the dropping of another to-be-tapped nut.Type: ApplicationFiled: June 23, 2020Publication date: August 5, 2021Applicant: National Sun Yat-sen UniversityInventors: Der-Min Tsay, Guan-shyong Hwang, Tsung-Chun Lin, Wei-Ming Chen
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Publication number: 20210239446Abstract: An automatic nut internal thread quality tester is provided. The automatic nut internal thread quality tester includes a blanking module, a clamping module, a push rod module, a thread gauge driving module, and an axial pushing module. The blanking module is configured to control the nuts to be tested be blanked in series. The clamping module is configured to clamp the to-be-tested nut. The push rod module is configured to push the to-be-tested nut into the clamping module and restrict the blanking. A thread gauge of the thread gauge driving module is driven by a motor to detect the to-be-tested nut. When a torque measured by a torque sensor is greater than a threshold value, the motor reverses the thread gauge and the axial pushing module drives the clamping module away from the thread gauge.Type: ApplicationFiled: June 23, 2020Publication date: August 5, 2021Applicant: National Sun Yat-sen UniversityInventors: Der-Min TSAY, Guan-shyong HWANG, Tsung-Chun LIN, Ming-Chao HWANG
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Patent number: 11065282Abstract: The present invention relates to a coral composite extract, a composition including the same and a method of producing the same. The coral composite extract includes at least two briarane-type diterpenoid compounds from corals of Briareum violaceum, B. excavatum and B. stechei, thereby being applied as an effective ingredient of a skin external use composition, a cosmetic composition and a medicinal composition.Type: GrantFiled: September 20, 2019Date of Patent: July 20, 2021Assignee: National Sun Yat-Sen UniversityInventors: Zhi-Hong Wen, Ping-Jyun Sung, Han-Chun Hung, Chun-Hong Chen, Yu-Chia Chang
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Patent number: 11041939Abstract: A signal demodulation device includes an IQ mixer, a differential element and a signal processor. The IQ mixer is configured to output a first mixed signal and a second mixed signal. The differential element is electrically connected to the IQ mixer for receiving the first and second mixed signals and configured to differentiate the first and second mixed signals and output a first derivative signal and a second derivative signal. The signal processor is electrically connected to the differential element for receiving the first and second derivative signals and configured to demodulate the first and second derivative signals and output a first demodulated signal.Type: GrantFiled: November 6, 2018Date of Patent: June 22, 2021Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Fu-Kang Wang, Tzyy-Sheng Horng, Pin-Hsun Juan
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Patent number: 10975456Abstract: The present invention relates to a thermoelectric alloy and a method for producing the same. A starting material is firstly provided, and an oxidation process is performed to the starting material to obtain an oxidized material composition. Then, the oxidized material composition and a carburizing agent are added into a quartz tube, and a sealing process is performed to the quartz tube. And then, the sealed quartz tube is subjected to a carburization process, thereby obtaining the thermoelectric alloy with excellent thermoelectric figure-of-merit.Type: GrantFiled: December 27, 2018Date of Patent: April 13, 2021Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Hsin-Jay Wu, Wan-Ting Yen, Pai-Chun Wei, Yi-Fen Tsai
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Patent number: 10916915Abstract: A distributed feedback (DFB) semiconductor laser device includes an active layer, a first grating layer and a second grating. The first grating layer has a first grating structure with a first grating period. The second grating layer has a second grating structure with a second grating period substantially different from the first grating period. The active layer, the first grating layer and the second grating layer are vertically stacked, and the equivalent grating period of the DFB semiconductor laser device is (2×P1×P2)/(P1+P2), where P1 and P2 respectively represent the first grating period and the second grating period.Type: GrantFiled: December 21, 2018Date of Patent: February 9, 2021Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Yung-Jr Hung, Yen-Chieh Wang, Ping-Feng Hsieh, Wei Lin
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Patent number: 10882767Abstract: A method for removing ammonia nitrogen in an aqueous solution is provided in the present invention. The method includes performing an electrolysis reaction using an electrolysis device, such that the ammonia nitrogen is converted into nitrogen gas, nitrate or nitrite. The electrolysis device includes an anode including metal nickel, nickel hydroxide or nickel oxyhydroxide, and a cathode including metal copper. The method has high selectivity of converting the ammonia nitrogen into the nitrogen gas.Type: GrantFiled: December 18, 2018Date of Patent: January 5, 2021Assignee: National Sun Yat-Sen UniversityInventors: Yu-Jen Shih, Chin-Pao Huang, Yao-Hui Huang
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Patent number: 10849874Abstract: The present invention relates to a method for modulating angiogenesis in a subject in need thereof, which comprises administering an effective amount of composition comprising excavatolide B and a pharmaceutically acceptable carrier to the subject.Type: GrantFiled: December 4, 2015Date of Patent: December 1, 2020Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Zhi-Hong Wen, Ping-Jyun Sung, Han-Chun Hung
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Patent number: 10816656Abstract: In a vital sign sensor of the present invention, an antenna assembly radiates an oscillation signal generated by a SIL oscillator to an object in a form of a wireless signal and receives a reflected signal from the object, and the reflected signal can have the SIL oscillator injection-locked. The wireless signal radiated from the antenna assembly is transmitted to a demodulator for demodulation such that the vital signs of the object can be obtained. Additionally, an isolator of the antenna assembly is provided to prevent the SIL oscillator from receiving a clutter reflected from the demodulator and an environment where the demodulator is placed. As a result, the clutter can't influence the vital sign detection of the object.Type: GrantFiled: August 21, 2018Date of Patent: October 27, 2020Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Fu-Kang Wang, Tzyy-Sheng Horng, Lih-Tyng Hwang, Chung-Yi Hsu
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Patent number: 10811559Abstract: A method for manufacturing an indium gallium nitride/gallium nitride quantum-well pyramid is provided to improve upon the complexity of the conventional method for manufacturing light-emitting diode die. The method for manufacturing an indium gallium nitride/gallium nitride quantum-well pyramid includes performing a first epitaxial reaction and then a second epitaxial reaction on a substrate under 600-650° C. to form a gallium nitride pyramid, growing an first indium gallium nitride layer on an end face of the gallium nitride pyramid, where the end face is away from the substrate, and growing a first gallium nitride layer on the first indium gallium nitride layer. A flux ratio of nitrogen to gallium of the first epitaxial reaction is 25:1-35:1, and a flux ratio of nitrogen to gallium of the second epitaxial reaction is 130:1-150:1.Type: GrantFiled: December 26, 2018Date of Patent: October 20, 2020Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: I-Kai Lo, Cheng-Da Tsai, Ying-Chieh Wang, Ming-Chi Chou
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Patent number: 10802217Abstract: An optical waveguide structure and a manufacturing method thereof are provided. The optical waveguide structure includes: a substrate; a first-type semiconductor conductive layer disposed on the substrate; a first confining layer disposed on the first-type semiconductor conductive layer; a waveguide layer disposed on the first confining layer and including a luminescent material; a polymer filling layer disposed on the first confining layer and adjacent to the waveguide layer, wherein the viscosity of the polymer filling layer is less than 52 mm2/s; a second confining layer disposed on the waveguide layer and the polymer filling layer; a cladding layer disposed on the second confining layer; and a second-type semiconductor conductive layer disposed on the cladding layer.Type: GrantFiled: May 3, 2019Date of Patent: October 13, 2020Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Jia-Ren Zou, Yi-Jen Chiu, Rih-You Chen, Cong-Long Chen
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Patent number: 10792904Abstract: A method for bonding a first component to a second component includes placing the first and second components in a cavity. Each of the first and second components has a bonding portion, and the bonding portion of the first component faces the bonding portion of the second component. A supercritical fluid is then introduced into the cavity with a temperature of 40-400° C. and a pressure of 1,500-100,000 psi, and a pressure of 4-100,000 psi is applied on both the first and second components, assuring the bonding portion of the first component bond to the bonding portion of the second component. Moreover, a method for separating a first component from a second component includes placing a composite in a cavity. The composite includes the first component, the second component and a connecting layer by which the first component joins to the second component. The supercritical is then introduced into the cavity.Type: GrantFiled: June 25, 2018Date of Patent: October 6, 2020Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Ting-Chang Chang, Chih-Cheng Shih, Ming-Hui Wang, Wen-Chung Chen, Chih-Yang Lin
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Patent number: 10787366Abstract: A method for manufacturing a graphitic sheet is used to obtain the graphitic sheet with similar characteristics to graphene. The method includes forming an octadecyltrichlorosilane (OTS) layer on a substrate to obtain a composite. The composite is annealed at 250-400° C. for 30-90 minutes, forming the graphitic sheet on the substrate via self-assembly of octadecyltrichlorosilane (OTS) in the OTS layer. The annealed composite is immersed in water, followed by being sonicated for 2 minutes with a frequency of 40 kHz and a power output of 200 W, to separate the graphitic sheet from the substrate.Type: GrantFiled: September 4, 2018Date of Patent: September 29, 2020Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventor: Shu-Chen Hsieh
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Patent number: 10788712Abstract: A multi-function light-adjusting glass includes first and second substrates delimiting an intermediate space therebetween, a light-adjusting layer disposed in the intermediate space, and a first polarizing board located at an outer side of the first substrate away from the intermediate space, and a second polarizing board located at an outer side of the second substrate away from the intermediate space. Each substrate includes an electrically conductive film on an inner surface of the substrate facing the intermediate space, and an alignment film disposed between the electrically conductive film and the intermediate space. The two alignment films respectively have two alignment directions orthogonal to each other. The light-adjusting layer includes liquid crystal molecules and salt-in ions.Type: GrantFiled: June 24, 2019Date of Patent: September 29, 2020Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Tsung-Hsien Lin, Cheng-Chang Li, Heng-Yi Tseng, Hung-Chang Jau, Duan-Yi Guo, Li-Min Chang
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Patent number: 10772210Abstract: A solution property sensor is provided and has: a substrate, a temperature sensing element, an electrical conductivity sensing element, a pH value sensing element, and a reference electrode. The solution property sensor utilizes different sensing elements to sense various solution properties, and all of these sensing elements can be electrically connected and fixed to conductive patterns on the same substrate, thereby facilitating mass production in the industry or reducing production difficulty.Type: GrantFiled: October 7, 2018Date of Patent: September 8, 2020Assignee: National Sun Yat-sen UniversityInventors: Che-hsin Lin, Wei-hsing Yen, Wei-sin Kao
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Patent number: 10702845Abstract: A reaction method with a homogeneous-phase supercritical fluid includes introducing a first fluid into a mixing chamber. A mass is less than or equal to that can be absorbed by the molecular sieve component, totally absorbing the first fluid by the molecular sieve component. A second fluid is introduced into the mixing chamber with a mass being greater than that can be absorbed by the molecular sieve component. A temperature and a pressure in the mixing chamber are adjusted to a critical temperature and a critical pressure of the second fluid, respectively, releasing the first fluid in supercritical phase from the molecular sieve component into the mixing chamber, followed by homogeneously mixing with the second fluid in supercritical phase in the mixing chamber to obtain a homogeneous-phase mixing fluid. The homogeneous-phase mixing fluid is then introduced into a reaction chamber connected to the mixing chamber.Type: GrantFiled: September 12, 2018Date of Patent: July 7, 2020Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Ting-Chang Chang, Chih-Yang Lin, Tsung-Ming Tsai, Chih-Cheng Shih, Ming-Hui Wang
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Patent number: 10705366Abstract: A method for fabricating micro-cell structures is provided and has providing a liquid crystal mixture; performing a heating step on the liquid crystal mixture at a temperature ranging from 45° C. to 150° C., performing a heat induced phase separation step on the liquid crystal mixture at a thermal phase separation temperature for a thermal phase separation titre such that the liquid crystal mixture forms liquid crystal particles and a network light-curing adhesive, wherein the thermal phase separation temperature and the thermal phase separation time are determined by a changing rate of a bright area ratio of the liquid crystal mixture; and performing a photo-curing step on the liquid crystal mixture by emitting an ultraviolet light so that a plurality of micro-cell structures are formed. The micro-cell structures with different transparency are fabricated based on different values of the thermal phase separation temperature and the thermal phase separation time.Type: GrantFiled: April 26, 2018Date of Patent: July 7, 2020Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Tsung-Hsien Lin, Cheng-Chang Li, Heng-Yi Tseng, Hung-Chang Jau, Jin-Wei Lin
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Patent number: 10679043Abstract: A 3-D path detection system includes an image capture device, a radar device and a computing module. The image capture device is provided to produce a dynamic image for calculating the x- and y-direction (transverse) pixel-value displacements according to a captured moving object image. The radar device is configured to transmit an input wireless signal to a moving object and receive a reflection signal from the moving object, and is configured to calculate a z-direction (longitudinal) displacement of the moving object according to a Doppler shift in the reflection signal. The computing module is configured to construct a 3-D path of the moving object according to the x- and y-direction pixel-value displacements of the moving object image and the z-direction displacement of the moving object.Type: GrantFiled: January 15, 2018Date of Patent: June 9, 2020Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Tzyy-Sheng Horng, Chia-Hung Yeh, Fu-Kang Wang, Mu-Cyun Tang, Chien-Lun Chen, Min-Hui Lin
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Patent number: 10626234Abstract: A method, i.e., trapping of structural coloration (TOSC), for fabricating solid 3D network-structured photonic crystals featuring tunable visible structural colorations includes the steps: a PS-PVP copolymer is dissolved in a chloride-containing solvent and is cast as an initial film, the copolymer self-assembles into 3D periodic network-structured morphology; the copolymer in the initial film is swollen in a polar solvent to form a solvated film; the solvated film is dried to form a solid photonic crystal. During evaporation of the polar solvent, the PVP blocks of the copolymer become glassy and form a thin glassy layer on the surface of the solvated film such that the 3D network structures of the copolymer in solvated state can be preserved into the solid photonic crystal revealing the similar periodicity and dimension to that in solvated state, which is very distinct from the film having 1D lamellar structure.Type: GrantFiled: November 26, 2018Date of Patent: April 21, 2020Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Yeo-Wan Chiang, En-Li Lin, Wei-Lun Hsu