Patents Assigned to National Tsing Hua University
  • Publication number: 20250068033
    Abstract: A single-material-double-process parametric laser-wavelength converter includes a pump-laser source, a nonlinear optical material, a first optical reflective element, and a second optical reflective element. The pump-laser source is configured to emit a pump-laser pulse light. The nonlinear optical material receives the pump-laser pulse and generates a signal-laser pulse and a partially depleted pump-laser pulse through optical parametric amplification. The first optical reflective element is configured to reflect the signal-laser pulse back to the same nonlinear optical material. The second optical reflective element is configured to reflect the partially depleted pump-laser pulse back to the same nonlinear optical material. With an appropriate adjustment on the reflecting path lengths, the nonlinear optical material is configured to receive the temporally synchronized signal-laser pulse and the partially depleted pump-laser pulse to generate an idler output through difference frequency generation.
    Type: Application
    Filed: August 27, 2023
    Publication date: February 27, 2025
    Applicant: National Tsing Hua University
    Inventors: Ming-Hsiung Wu, Yen-Chieh Huang
  • Patent number: 12234569
    Abstract: A fabricating method of a non-enzyme sensor element includes a printing step, a coating step and an electroplating step. In the printing step, a conductive material is printed on a surface of a substrate to form a working electrode, a reference electrode and an auxiliary electrode, and a porous carbon material is printed on the working electrode to form a porous carbon layer. In the coating step, a graphene film material is coated on the porous carbon layer of the working electrode to form a graphene layer. In the electroplating step, a metal is electroplated on the graphene layer by a pulse constant current to form a catalyst layer including a metal oxide.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: February 25, 2025
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Hsiang-Yu Wang, Yi-Yu Chen, Shih-Hao Lin, Yu-Sheng Lin
  • Patent number: 12229651
    Abstract: A block-based inference method for a memory-efficient convolutional neural network implementation is performed to process an input image. A block-based inference step is performed to execute a multi-layer convolution operation on each of a plurality of input block data to generate an output block data and includes selecting a plurality of ith layer recomputing features according to a position of the output block data along a scanning line feed direction, and then selecting an ith layer recomputing input feature block data according to the position of the output block data and the ith layer recomputing features, and selecting a plurality of ith layer reusing features according to the ith layer recomputing input feature block data along a block scanning direction, and then combining the ith layer recomputing input feature block data with the ith layer reusing features to generate an ith layer reusing input feature block data.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: February 18, 2025
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventor: Chao-Tsung Huang
  • Publication number: 20250050339
    Abstract: A system includes a control module and a microfluidics chip. The control module includes electromagnets. The microfluidics chip includes two bead sets, a substrate, a channel layer disposed on the substrate, and a flow-control layer disposed on the channel layer. The channel layer has a central recess, channels in communication with the central recess, and cavities in communication with the channels. The flow-control layer has through holes aligned with the cavities of the channel layer. The through holes and the cavities cooperatively form wells. The flow-control layer includes micro-valves corresponding in position to the channels, and magnetic components connected to the micro-valves. A sample is disposed in one of the wells, and the bead sets are coated with aptamers and attach to another two of the wells. The electromagnets control the micro-valves to allow flow of the sample and to allow the sample to be mixed with the bead sets.
    Type: Application
    Filed: October 12, 2023
    Publication date: February 13, 2025
    Applicant: National Tsing Hua University
    Inventors: Gwo-Bin LEE, Chien-Hsin CHIU, Chih-Hung WANG
  • Patent number: 12222160
    Abstract: 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: Grant
    Filed: December 2, 2021
    Date of Patent: February 11, 2025
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Tsun-Hsu Chang, Hsein-Wen Chao, Hung-Chun Hsu, Yan-Ren Chen
  • Publication number: 20250041543
    Abstract: An automatic dosage-controlled atomizer includes a medication atomizer and a respiration sensor. The respiration sensor includes a capacitive electrode assembly that has a varying capacitance correlated to a respiratory airflow from a user, a resonant circuit that generates a resonant signal based on the varying capacitance, a signal analyzing circuit that obtains a detected vital capacity value and a period time data piece related to a breathing cycle of the user based on a frequency variation of the resonant signal, and an atomization adjustment module that generates a cumulative effective inhaled dose value based on the detected vital capacity value and the period time data piece. The atomization adjustment module causes the medication atomizer to stop generation of an aerosol airflow when the cumulative effective inhaled dose value exceeds a predetermined dose threshold value.
    Type: Application
    Filed: January 8, 2024
    Publication date: February 6, 2025
    Applicant: National Tsing Hua University
    Inventors: Ting-Wei WANG, Shih-Hua NI
  • Patent number: 12214098
    Abstract: 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: Grant
    Filed: November 9, 2021
    Date of Patent: February 4, 2025
    Assignee: National Tsing Hua University
    Inventors: Zong-Hong Lin, Yu-Jiung Lin, Imran Khan
  • Patent number: 12217993
    Abstract: 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: Grant
    Filed: November 4, 2021
    Date of Patent: February 4, 2025
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Wei-Chang Yeh, Shi-Yi Tan
  • Patent number: 12217795
    Abstract: 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: Grant
    Filed: March 4, 2024
    Date of Patent: February 4, 2025
    Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., NATIONAL TSING HUA UNIVERSITY
    Inventors: Meng-Fan Chang, Yen-Cheng Chiu
  • Patent number: 12211949
    Abstract: A device includes an active region, an isolation structure, a gate structure, an interlayer dielectric (ILD) layer, a reading contact, and a sensing contact. The isolation structure laterally surrounds the active region. The gate structure is across the active region. The ILD layer laterally surrounds the gate structure. The reading contact is in contact with the isolation structure and is separated from the gate structure by a first portion of the ILD layer. The sensing contact is in contact with the isolation structure and is separated from the gate structure by a second portion of the ILD layer.
    Type: Grant
    Filed: October 12, 2023
    Date of Patent: January 28, 2025
    Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., NATIONAL TSING HUA UNIVERSITY
    Inventors: Ya-Chin King, Chrong Jung Lin, Burn Jeng Lin, Shi-Jiun Wang
  • Publication number: 20250023315
    Abstract: A cone laser-gain module including a pump-light source, a laser rod, and a cone structure, is provided. The cone structure, including a large and a small cone aperture connected by cone axis, is configured to accommodate the laser rod parallel to the cone axis and concentrate the pump light toward the laser rod. The pump light enters the cone structure from a large cone aperture. The laser rod is configured to absorb the pump lights to generate a laser light along a laser-emission axis parallel to the laser-rod axis. In particular, the pump lights, some of which diverge and initially miss the laser rod, are reflected and concentrated on the laser rod by an inner surface of the cone structure. A cone laser amplifier and a cone laser oscillator utilizing single or cascaded cone laser-gain modules are also provided.
    Type: Application
    Filed: July 2, 2024
    Publication date: January 16, 2025
    Applicant: National Tsing Hua University
    Inventor: Yen-Chieh Huang
  • Publication number: 20250020570
    Abstract: A method for inspecting particles is suitable for inspecting particles on a substrate. The method for inspecting the particles includes the following. The substrate is disposed on a stage. An inspection radiation is provided to irradiate on the substrate, in which the inspection radiation is suitable for exciting the particles on the substrate to emit a secondary radiation. Also, the secondary radiation is detected to confirm whether the particles exist on the substrate and positions of the particles are detected.
    Type: Application
    Filed: April 9, 2024
    Publication date: January 16, 2025
    Applicant: National Tsing Hua University
    Inventors: Tsai-Sheng Gau, Burn Jeng Lin, Po-Hsiung Chen, Po-Hsun Lu, Meng-Chen Lo
  • Patent number: 12191621
    Abstract: An EUV radiation light source generation apparatus includes a pump laser, at least one pulse shaping unit, a wavelength conversion unit, and a high-order harmonics generation unit. The pump laser provides a pulse laser radiation beam. Each pulse shaping unit conducts a spectrum extending operation and a phase compensation operation to the pulse laser radiation beam. The phase compensation operation makes multiple frequency components of the pulse laser radiation beam emitted by the pulse shaping unit to be substantially in phase. The wavelength conversion unit conducts a center wavelength conversion operation to the pulse laser radiation beam. The high-order harmonics generation unit receives the pulse laser radiation beam processed by the pulse shaping unit and the center wavelength conversion operation, and focuses the received pulse laser radiation beam to a high order harmonic generation medium to generate a high order harmonic radiation beam.
    Type: Grant
    Filed: November 16, 2022
    Date of Patent: January 7, 2025
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Andrew Hing Cheong Kung, Pei-Chi Huang, Chih-Hsuan Lu, Ming-Chang Chen
  • Publication number: 20250001248
    Abstract: A rehabilitation device is adapted for wrist rehabilitation, and includes two magnetic actuators and a movable frame unit. Each of the magnetic actuator includes a motor, a rotating shaft, a rotating member, and two magnetic coupling subunits that are respectively connected to the motor and the rotating shaft. Each of the magnetic coupling subunits includes a magnetic ring that has a plurality of N pole portions and a plurality of S pole portions alternately arranged about a center of the magnetic ring. For each of the magnetic actuators, when one of the magnetic coupling subunits that is connected to the motor is driven by the motor to rotate, the other one of the magnetic coupling subunits that is connected to the rotating shaft is urged to rotate by attraction between the magnetic rings of the magnetic coupling subunits such that the rotating shaft and the rotating member rotate.
    Type: Application
    Filed: August 23, 2023
    Publication date: January 2, 2025
    Applicant: National Tsing Hua University
    Inventors: Li-Wei CHENG, Zhi-Yong CHEN, Jen-Yuan CHANG
  • Publication number: 20250007758
    Abstract: A feed-forward equalizer includes a shift register, a look-up table circuit, a selection circuit and an output terminal. The shift register temporarily stores and shifts input data based on a clock signal to obtain multiple shifted input data. The look-up table circuit has multiple processed signals. The processed signals are obtained by logical operation of multiple coefficients. An input terminal of the selection circuit is coupled to the look-up table circuit. A control terminal of the selection circuit receives the shifted input data. The selection circuit selects at least one of the processed signals of the look-up table circuit as a selected signal based on the shifted input data. The output terminal provides an output signal according to the selected signal.
    Type: Application
    Filed: August 18, 2023
    Publication date: January 2, 2025
    Applicant: National Tsing Hua University
    Inventors: Pen-Jui Peng, Sung-Li Tien
  • Patent number: 12184456
    Abstract: A feed-forward equalizer includes a shift register, a look-up table circuit, a selection circuit and an output terminal. The shift register temporarily stores and shifts input data based on a clock signal to obtain multiple shifted input data. The look-up table circuit has multiple processed signals. The processed signals are obtained by logical operation of multiple coefficients. An input terminal of the selection circuit is coupled to the look-up table circuit. A control terminal of the selection circuit receives the shifted input data. The selection circuit selects at least one of the processed signals of the look-up table circuit as a selected signal based on the shifted input data. The output terminal provides an output signal according to the selected signal.
    Type: Grant
    Filed: August 18, 2023
    Date of Patent: December 31, 2024
    Assignee: National Tsing Hua University
    Inventors: Pen-Jui Peng, Sung-Li Tien
  • Patent number: 12179171
    Abstract: A pyrazole metal complex for absorption of carbon dioxide, a method for preparing the pyrazole metal complex, and a method for absorbing carbon dioxide are provided; wherein the product produced by reacting pyrazole metal complex and carbon dioxide may be transformed into several economically valuable compounds.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: December 31, 2024
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Yu-Ting Tseng, Tsai-Te Lu, Tsu-Chieh Yu, Wen-Feng Liaw
  • Patent number: 12181757
    Abstract: A compressed sensing imaging method and a compressed sensing imaging system are provided. In the method, multiple grayscale masks having multiple elements with grayscale values represented by floating-point values or continuous values are generated as sensing matrices based on a compressed sensing theory. A spatial light modulator is controlled to modulate an electromagnetic wave projected on an object under test according to the grayscale value of each element in each grayscale mask, and a physical property of the electromagnetic wave passing through the object under test is detected to obtain multiple measured values. An image reconstruction algorithm is executed to reconstruct an image of the object under test by using the grayscale masks and the measured values obtained from the electromagnetic wave modulated by each grayscale mask.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: December 31, 2024
    Assignee: National Tsing Hua University
    Inventors: Shang-Hua Yang, Yuan-Hao Huang, Hao-Yu Yang, Yi-Chun Hung
  • Publication number: 20240429957
    Abstract: A receiver includes a channel compensator, a decoder and an adaptive controller. The channel compensator performs channel compensation on an input data signal to generates a feed-in data signal. The decoder demultiplexes a to-be-decoded data signal that originates from the feed-in data signal into multiple demultiplexed data signals, and decoding the demultiplexed data signals respectively into multiple decoded signals. Based on a decoded output that originates from the decoded signals, the adaptive controller performs adaptive calibration on the channel compensator to adjust a gain of the channel compensator with reference to an error portion of a first sample of the decoded signals and a data portion of a second sample of the decoded signals that is generated before the generation of the first sample of the decoded signals.
    Type: Application
    Filed: June 20, 2023
    Publication date: December 26, 2024
    Applicant: National Tsing Hua University
    Inventors: Pen-Jui PENG, Yen-Po LIN
  • Publication number: 20240418677
    Abstract: An eddy current induction sensing method includes: providing an excitation signal to a first coil; generating a first electromagnetic signal, by the first coil, caused by the excitation signal; coupling the first electromagnetic signal to a second coil to cause the second coil to generate a second electromagnetic signal; generating an induced eddy current by a target conductor while the target conductor receives the first electromagnetic signal or the second electromagnetic signal, wherein the induced eddy current at least partially offsets the second electromagnetic signal of the second coil; and measuring, from the second coil, a variation of the at least partially offset second electromagnetic signal to determine a state of the target conductor.
    Type: Application
    Filed: March 18, 2024
    Publication date: December 19, 2024
    Applicant: NATIONAL TSING HUA UNIVERSITY
    Inventor: TING-WEI WANG