Patents Assigned to National Tsing Hua University
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Publication number: 20250081857Abstract: A spin orbit torque magnetoresistive random access memory (SOT MRAM) includes at least a spin current source alloy layer, a ferromagnetic free layer, and an insulation layer. The spin current source alloy layer is a nickel-tungsten alloy layer. The ferromagnetic free layer is located on the spin current source alloy layer. The insulation layer is located on the ferromagnetic free layer. Since the nickel-tungsten alloy layer has favorable perpendicular magnetic anisotropic and can maintain a high spin Hall angle, it is suitable as a spin current source for the SOT MRAM.Type: ApplicationFiled: November 16, 2023Publication date: March 6, 2025Applicant: National Tsing Hua UniversityInventors: Chih-Huang Lai, Tsung-Yu Pan, Chih-Hsiang Tseng, Yi-Cheng Tsou, Yu-Shen Yen, Rong-Zhi Chen
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Publication number: 20250079853Abstract: A power generating device and a power supplying method thereof are provided. The power generating device includes a battery set, a charge storage device, a charger and a voltage converter. The battery set has microbial fuel cell and/or solar battery, and is configured to generate a supply voltage. The charger generates a charging voltage according to the supply voltage, and provides the charging voltage through a first resistor to charge the charge storage device. The voltage converter converts a storage voltage provided by the charge storage device to generate a driving voltage, and provides the driving voltage to drive a load.Type: ApplicationFiled: October 20, 2023Publication date: March 6, 2025Applicant: National Tsing Hua UniversityInventors: Chao-I Liu, Heng-An Su, I-Chu Lin, Yao-Yu Lin, Chia-Chieh Hsu, Hsin-Tien Li, Tzu-Yin Liu, Han-Yi Chen
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Publication number: 20250079492Abstract: A plant microbial fuel cell includes a planting container, a plant, a cathode and an anode. The planting container has a culture medium therein, and a microbial population is in the culture medium. The plant is grown in the culture medium in the planting container. The cathode is disposed on a surface of the culture medium, and the anode is arranged in the culture medium close to roots of the plant. The anode includes a porous carbon material prepared from coffee grounds, and thus the overall cost of the plant microbial fuel cell may be greatly reduced, and the porous carbon material is easy to process and has high biocompatibility.Type: ApplicationFiled: October 19, 2023Publication date: March 6, 2025Applicant: National Tsing Hua UniversityInventors: Yao-Yu Lin, Hsin-Tien Li, Heng-An Su, Tzu-Yin Liu, Han-Yi Chen
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Publication number: 20250068033Abstract: 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: ApplicationFiled: August 27, 2023Publication date: February 27, 2025Applicant: National Tsing Hua UniversityInventors: Ming-Hsiung Wu, Yen-Chieh Huang
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Publication number: 20250050339Abstract: 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: ApplicationFiled: October 12, 2023Publication date: February 13, 2025Applicant: National Tsing Hua UniversityInventors: Gwo-Bin LEE, Chien-Hsin CHIU, Chih-Hung WANG
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Publication number: 20250041543Abstract: 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: ApplicationFiled: January 8, 2024Publication date: February 6, 2025Applicant: National Tsing Hua UniversityInventors: Ting-Wei WANG, Shih-Hua NI
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Patent number: 12214098Abstract: 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: GrantFiled: November 9, 2021Date of Patent: February 4, 2025Assignee: National Tsing Hua UniversityInventors: Zong-Hong Lin, Yu-Jiung Lin, Imran Khan
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Publication number: 20250023315Abstract: 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: ApplicationFiled: July 2, 2024Publication date: January 16, 2025Applicant: National Tsing Hua UniversityInventor: Yen-Chieh Huang
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Publication number: 20250020570Abstract: 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: ApplicationFiled: April 9, 2024Publication date: January 16, 2025Applicant: National Tsing Hua UniversityInventors: Tsai-Sheng Gau, Burn Jeng Lin, Po-Hsiung Chen, Po-Hsun Lu, Meng-Chen Lo
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Publication number: 20250001248Abstract: 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: ApplicationFiled: August 23, 2023Publication date: January 2, 2025Applicant: National Tsing Hua UniversityInventors: Li-Wei CHENG, Zhi-Yong CHEN, Jen-Yuan CHANG
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Publication number: 20250007758Abstract: 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: ApplicationFiled: August 18, 2023Publication date: January 2, 2025Applicant: National Tsing Hua UniversityInventors: Pen-Jui Peng, Sung-Li Tien
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Patent number: 12184456Abstract: 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: GrantFiled: August 18, 2023Date of Patent: December 31, 2024Assignee: National Tsing Hua UniversityInventors: Pen-Jui Peng, Sung-Li Tien
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Patent number: 12181757Abstract: 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: GrantFiled: May 24, 2022Date of Patent: December 31, 2024Assignee: National Tsing Hua UniversityInventors: Shang-Hua Yang, Yuan-Hao Huang, Hao-Yu Yang, Yi-Chun Hung
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Publication number: 20240429957Abstract: 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: ApplicationFiled: June 20, 2023Publication date: December 26, 2024Applicant: National Tsing Hua UniversityInventors: Pen-Jui PENG, Yen-Po LIN
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Publication number: 20240421345Abstract: A solid electrolyte with high-entropy garnet-type structure includes a high-entropy garnet-type structure oxide represented by following formula (1): LiaLa3ZrbTacM1dM2eM3fO12 ??(1) In the formula (1), M1, M2, and M3 are respectively W, Sc, Sn, Nb, Y, Si, Sb, Te, Ti, Mo, Mg, or Nd, b+c+d+e+f=2, 5<a<8, 0.01<b<0.6, 0.01<c<0.6, 0.01<d<0.6, 0.01<e<0.6, and 0?f<0.6. A solid electrolyte of an all solid-state lithium-ion battery includes the solid electrolyte with high-entropy garnet-type structure.Type: ApplicationFiled: July 13, 2023Publication date: December 19, 2024Applicant: National Tsing Hua UniversityInventors: Chun-Han Kuo, Han-Yi Chen
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Publication number: 20240402011Abstract: A two-dimensional hyperspectral imaging system for imaging a plurality of light signals of a sample by Fourier spectroscopy includes a first optical element, a second optical element, a phase difference modulator and an image sensor. The light signals pass by the first optical element. The second optical element is spaced away from and parallel to the first optical element, and the light signals pass by the second optical element. The phase difference modulator is closer to the first optical element than the second optical element to the first optical element, and configured for modifying a phase difference of adjacent two of the light signals. The image sensor is configured for receiving the light signals reflected from the first optical element and the second optical element, and operating Fourier transforming on the light signals. The second optical element is between the first optical element and the image sensor.Type: ApplicationFiled: June 5, 2023Publication date: December 5, 2024Applicant: National Tsing Hua UniversityInventors: Wei-Chih Wang, Fiona Marie Wang
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Publication number: 20240404511Abstract: A computer-implemented method for speech emotion recognition is provided. The computer-implemented method includes an emotion prediction corresponding to speech data that is generated based on the speech data and a speech emotion recognition model without bias. The speech emotion recognition model without bias is trained by training a fairness-constrained adversarial network based on a labeled training set with known bias and a loss function. The fairness-constrained adversarial network includes a domain classifier for bias classification and the speech emotion recognition model. The loss function used for training the fairness-constrained adversarial network is positively related to a Wasserstein distance (WD) loss.Type: ApplicationFiled: October 17, 2023Publication date: December 5, 2024Applicant: National Tsing Hua UniversityInventors: WOAN-SHIUAN CHIEN, CHI-CHUN LEE
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Publication number: 20240387494Abstract: An all-inorganic up-conversion display includes a photodiode array and a light emitting diode array. The photodiode array includes a first substrate having a first conductivity type, a buffer layer formed on a first surface of the first substrate, an absorption layer formed on the buffer layer, a cap layer formed on the absorption layer, a first patterned passivation layer formed on the cap layer and exposing an array of contact regions of the cap layer, a common first electrode connected to the first substrate, an array of second electrodes, and an array of first solder bumps. The light emitting array includes a second substrate, an array of luminous chips, a common third electrode, a second patterned passivation layer, and an array of second solder bumps. Each of the first solder bumps is flip-chip bonded to a corresponding one of the second solder bumps.Type: ApplicationFiled: September 6, 2023Publication date: November 21, 2024Applicant: National Tsing Hua UniversityInventor: Meng-Chyi WU
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Publication number: 20240347532Abstract: A heterogeneous integration capacitor and a metal-oxide-metal (MoM) capacitor are provided. The heterogeneous integration capacitor has a first electrode and a second electrode, and includes a substrate, a semiconductor capacitor, the MoM capacitor, and a metal-insulator-metal (MiM) capacitor. These capacitors are sequentially formed on the substrate, and are formed as connected in parallel.Type: ApplicationFiled: June 29, 2023Publication date: October 17, 2024Applicant: National Tsing Hua UniversityInventors: Ho-Chun Wu, Yin-Cheng Chang, Shuo-Hung Hsu
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Publication number: 20240344773Abstract: A vapor chamber device includes a first casing, a first capillary structure, and a second casing. The first casing includes a first plate portion, multiple first protrusions, and a first side wall. The first capillary structure is disposed above an inner surface of the first plate portion and surrounds the first protrusions. The second casing is stacked on the first casing, and the second casing includes a second plate portion, multiple second protrusions, and a second side wall. The first side wall is connected to the second side wall, and multiple steam passages are formed between the second protrusions. The second plate portion includes multiple connecting regions yielded by the second protrusions, and the first protrusions are connected to the connecting regions. The second protrusions rest against the first capillary structure.Type: ApplicationFiled: May 30, 2023Publication date: October 17, 2024Applicant: National Tsing Hua UniversityInventor: Shwin-Chung Wong