Patents by Inventor Yu-Chih Wu

Yu-Chih Wu 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).

  • Patent number: 11964881
    Abstract: 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: Grant
    Filed: July 27, 2020
    Date of Patent: April 23, 2024
    Assignee: NATIONAL YANG MING CHIAO TUNG UNIVERSITY
    Inventors: Pu-Wei Wu, Yi-Chieh Hsieh, Han-Yi Wang, Kuang-Chih Tso, Tzu-Ying Chan, Chung-Kai Chang, Chi-Shih Chen, Yu-Ting Cheng
  • Publication number: 20240120203
    Abstract: A method includes forming a dummy gate over a semiconductor fin; forming a source/drain epitaxial structure over the semiconductor fin and adjacent to the dummy gate; depositing an interlayer dielectric (ILD) layer to cover the source/drain epitaxial structure; replacing the dummy gate with a gate structure; forming a dielectric structure to cut the gate structure, wherein a portion of the dielectric structure is embedded in the ILD layer; recessing the portion of the dielectric structure embedded in the ILD layer; after recessing the portion of the dielectric structure, removing a portion of the ILD layer over the source/drain epitaxial structure; and forming a source/drain contact in the ILD layer and in contact with the portion of the dielectric structure.
    Type: Application
    Filed: March 8, 2023
    Publication date: April 11, 2024
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Te-Chih HSIUNG, Yun-Hua CHEN, Bing-Sian WU, Yi-Hsuan CHIU, Yu-Wei CHANG, Wen-Kuo HSIEH, Chih-Yuan TING, Huan-Just LIN
  • Publication number: 20240102860
    Abstract: An apparatus includes a six-axis correction stage, an auto-collimation measurement device, a light splitter, a telecentric image measurement device, and a controller. The six-axis correction stage carries a device under test; the auto-collimation measurement device is arranged above the six-axis correction stage along a measurement optical axis; the light splitter is arranged on the measurement optical axis and is interposed between the six-axis correction stage and the auto-collimation measurement device. A method controls the six-axis correction stage to correct rotation errors in at least two degrees of freedom of the device under test according to a measurement result of the auto-collimation measurement device, and controls the six-axis correction stage to correct translation and yaw errors in at least three degrees of freedom of the device under test according to a measurement result of the telecentric image measurement device by means of the controller.
    Type: Application
    Filed: September 5, 2023
    Publication date: March 28, 2024
    Inventors: Cheng Chih HSIEH, Tien Chi WU, Ming-Long LEE, Yu-Hsuan LIN, Tsung-I LIN, Chien-Hao MA
  • Publication number: 20240090230
    Abstract: A memory array and an operation method of the memory array are provided. The memory array includes first and second ferroelectric memory devices formed along a gate electrode, a channel layer and a ferroelectric layer between the gate electrode and the channel layer. The ferroelectric memory devices include: a common source/drain electrode and two respective source/drain electrodes, separately in contact with a side of the channel layer opposite to the ferroelectric layer, wherein the common source/drain electrode is disposed between the respective source/drain electrodes; and first and second auxiliary gates, capacitively coupled to the channel layer, wherein the first auxiliary gate is located between the common source/drain electrode and one of the respective source/drain electrodes, and the second auxiliary gate is located between the common source/drain electrode and the other respective source/drain electrode.
    Type: Application
    Filed: January 9, 2023
    Publication date: March 14, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Wen-Ling Lu, Chen-Jun Wu, Ya-Yun Cheng, Sheng-Chih Lai, Yi-Ching Liu, Yu-Ming Lin, Feng-Cheng Yang, Chung-Te Lin
  • Patent number: 11925457
    Abstract: A device for encouraging and guiding a spirometer user includes a housing, a main valve, a visual assembly, and a sound making assembly. The housing has a guiding channel, a first outlet channel, a second outlet channel, and an inlet channel. The main valve is disposed in a housing communicating with the guiding channel, the first outlet channel, the second outlet channel or the inlet channel and configured to regulate or control fluid flowing paths. The visual assembly includes a check valve in the second outlet channel, and at least one movable member. The sound making assembly includes a check valve and a sound maker. So, it can generate the visual and sound encouraging effects for learning how to use a spirometer correctly.
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: March 12, 2024
    Assignees: TAICHUNG VETERANS GENERAL HOSPITAL, CENTRAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Ming-Feng Wu, Yu-Hsuan Chen, Kuo-Chih Su, Chun-Hsiang Wang
  • Publication number: 20240069067
    Abstract: A test device includes a power compensation module and a test module. The power compensation module receives AC power generated by a device under test to generate DC power to the device under test. The test module provides a plurality of test signals and a test mode to the device under test for testing the device under test.
    Type: Application
    Filed: December 5, 2022
    Publication date: February 29, 2024
    Inventors: Wei-Chih HUNG, Ying-Ping CHIANG, Yu-Ren RUAN, Chia-Hao WU
  • Patent number: 10193227
    Abstract: The present disclosure provides a waveguide transition structure for receiving satellite signals, which can be implemented in a low noise block down-converter. In some embodiments of the present disclosure, the low noise block down-converter includes a feed horn structure having at least a first waveguide extending along a first direction, a housing having at least a second waveguide extending along a second direction and communicating with the first waveguide, and a circuit board positioned within the housing. The second direction is substantially not in parallel to the first direction. The circuit board has a receiving pin configure to receive microwave signals propagating in the second waveguide.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: January 29, 2019
    Assignee: MICROELECTRONICS TECHNOLOGY, INC.
    Inventors: Kuotien Chang, Yenfen Lin, Yu-Chih Wu
  • Publication number: 20180048066
    Abstract: The present disclosure provides a waveguide transition structure for receiving satellite signals, which can be implemented in a low noise block down-converter. In some embodiments of the present disclosure, the low noise block down-converter includes a feed horn structure having at least a first waveguide extending along a first direction, a housing having at least a second waveguide extending along a second direction and communicating with the first waveguide, and a circuit board positioned within the housing. The second direction is substantially not in parallel to the first direction. The circuit board has a receiving pin configure to receive microwave signals propagating in the second waveguide.
    Type: Application
    Filed: August 11, 2016
    Publication date: February 15, 2018
    Inventors: KUOTIEN CHANG, YENFEN LIN, YU-CHIH WU
  • Patent number: 9891478
    Abstract: The present invention discloses an array substrate and liquid crystal display, and the array substrate comprises: a first substrate, which is transparent and a first electrode, located on the first substrate and employed to form a liquid crystal layer electrical field; wherein the first electrode comprises at least two non-parallel electrodes, a first strip electrode and a second strip electrode, and one end of the first strip electrode adjacent to the second strip electrode is bent/bent and extended to a tilt direction of the first strip electrode, and the one end of the first strip electrode adjacent to the second strip electrode is disconnected with the second strip electrode. With the aforesaid arrangement, the present invention can rapidly recover the liquid crystal molecules to the normal twisted directions as the liquid crystal display is acted upon by an external force, and is propitious to raise the image quality.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: February 13, 2018
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Yu-chih Wu
  • Patent number: 9893308
    Abstract: A quantum dot lighting device includes a quantum-dot-lighting layer and two main structural layers being arranged at two sides of the quantum-dot-lighting layer along a vertical direction. The quantum-dot-lighting layer includes a red lighting unit, a green lighting unit, and a red lighting unit. The red lighting unit includes red quantum dots, the green lighting unit includes green quantum dots, and the blue lighting unit includes blue quantum dots. A number of the blue quantum dots is larger than the number of the green quantum dots, and the number of the green quantum dots is larger than the number of the red quantum dots. With the configuration, the material of the quantum dots may be reduced, and the pureness of the white light beams may be enhanced.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: February 13, 2018
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Feng Zhao, Jin Cao, Xue Zhang, Jie Zhou, Jingwei Xie, Jianhua Zhang, Yu-chih Wu, Chung-Yi Chiu
  • Publication number: 20170139282
    Abstract: The present invention discloses an array substrate and liquid crystal display, and the array substrate comprises: a first substrate, which is transparent and a first electrode, located on the first substrate and employed to form a liquid crystal layer electrical field; wherein the first electrode comprises at least two non-parallel electrodes, a first strip electrode and a second strip electrode, and one end of the first strip electrode adjacent to the second strip electrode is bent/bent and extended to a tilt direction of the first strip electrode, and the one end of the first strip electrode adjacent to the second strip electrode is disconnected with the second strip electrode. With the aforesaid arrangement, the present invention can rapidly recover the liquid crystal molecules to the normal twisted directions as the liquid crystal display is acted upon by an external force, and is propitious to raise the image quality.
    Type: Application
    Filed: January 28, 2015
    Publication date: May 18, 2017
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Yu-chih WU
  • Publication number: 20170141334
    Abstract: A quantum dot lighting device includes a quantum-dot-lighting layer and two main structural layers being arranged at two sides of the quantum-dot-lighting layer along a vertical direction. The quantum-dot-lighting layer includes a red lighting unit, a green lighting unit, and a red lighting unit. The red lighting unit includes red quantum dots, the green lighting unit includes green quantum dots, and the blue lighting unit includes blue quantum dots. A number of the blue quantum dots is larger than the number of the green quantum dots, and the number of the green quantum dots is larger than the number of the red quantum dots.
    Type: Application
    Filed: June 5, 2015
    Publication date: May 18, 2017
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Feng ZHAO, Jin CAO, Xue ZHANG, Jie ZHOU, Jingwei XIE, Jianhua ZHANG, Yu-chih WU, Chung-Yi CHIU
  • Publication number: 20020121002
    Abstract: A hinge includes a shaft member and a pivot holder coupled together respectively fastened to two movable parts of a computer apparatus for enabling the movable parts to be turned relative to each other, the shaft member having a headed pivot rod mounted with a bushing, two rubber rings, a copper ring and a metal reinforcing ring, the pivot holder having a socket fastened to the bushing to protect the rubber rings against outside moisture, the rubber rings being squeezed against the shaft member to stop the shaft member from rotary motion relative to the pivot holder.
    Type: Application
    Filed: March 2, 2001
    Publication date: September 5, 2002
    Inventor: Yu-Chih Wu
  • Patent number: 6408485
    Abstract: A hinge includes a mounting frame and a pivot shaft coupled together and respectively fastened to two movable parts of a computer apparatus for enabling the movable parts to be turned relative to each other, the mounting frame having a barrel, the barrel having a tapered orifice at one end, the pivot shaft having a collar stopped at one end of the barrel and a head stopped at the other end of the barrel, a copper ring mounted on the shaft and fitted into the tapered orifice, and a springy rubber ring mounted on the pivot shaft and fitted into the tapered orifice and supported between the collar of the pivot shaft and the copper ring and adapted to support the pivot shaft in the barrel of the mounting frame in position.
    Type: Grant
    Filed: February 21, 2001
    Date of Patent: June 25, 2002
    Inventor: Yu-Chih Wu
  • Patent number: 6354517
    Abstract: An airbrush in which the main lever has a arched bottom recess coupled to the spherical top end of the piston rod of the air valve, so that the main lever can be conveniently turned to open the paint passage when pressed to open the air passage, and the fluid cup can be alternatively fastened to two opposite sides of the barrel to fit the left-handed/right handed user.
    Type: Grant
    Filed: September 8, 2000
    Date of Patent: March 12, 2002
    Inventor: Yu-Chih Wu
  • Patent number: 6171011
    Abstract: A pivot joint includes two mounting plates respectively fixedly fastened to two parts of an apparatus and coupled together by a rivet for enabling the two mounting plates to be turned relative to each other, an axle sleeve mounted on the rivet between the two mounting plates, a first washer and a second washer respectively mounted on the rivet and attached to one mounting plate at two opposite sides, wherein the axle sleeve has an embossed end edge at one end disposed in contact with the second mounting plate and a recessed coupling hole at an opposite end; the rivet is a stepped rivet having a shoulder from the head thereof and fitted into the recessed coupling hole at the axle sleeve, an annular groove at the head around the shoulder, and a plain end axially extended from the shoulder and inserted through the axle sleeve and the first and second mounting plates and hammered down to form another head; the second washer is made of friction rubber and mounted in the annular groove at the head of the rivet, hav
    Type: Grant
    Filed: January 5, 1999
    Date of Patent: January 9, 2001
    Inventor: Yu-Chih Wu
  • Patent number: 6168342
    Abstract: A pivot joint includes two mounting plates respectively fixedly fastened to two parts of an apparatus and coupled together by a rivet for enabling the two mounting plates to be turned relative to each other, an axle sleeve mounted on the rivet between the two mounting plates, a first washer and a second washer respectively mounted on the rivet and attached to one mounting plate at two opposite sides, wherein the axle sleeve has a recessed hole at one end, and the second washer is made of friction rubber, having a first part received in the recessed hole at one end of the axle sleeve, and a second part stopped against one mounting plate at one side.
    Type: Grant
    Filed: January 5, 1999
    Date of Patent: January 2, 2001
    Inventor: Yu-Chih Wu
  • Patent number: 5918815
    Abstract: A paint cup mounting arrangement including a mounting cylinder fastened to a paint spray gun by a screw joint and having a coupling flange around the periphery, a socket sleeved onto the mounting cylinder and having an inward coupling flange forced into engagement with the coupling flange of the mounting cylinder, a paint cup fastened to the socket by a screw joint, a paint guide tube mounted within the mounting cylinder and the socket and sealed by rubber seal rings and adapted to guide paint from the paint cup to the paint spray gun, and a compression spring mounted within the mounting cylinder around the paint guide tube to impart a backward pressure to the socket and to force, the paint cup being adjusted to a vertical position by forcing the socket inwards to compress the compression spring and to disengage the coupling flange of the socket from the coupling flange of the mounting cylinder and then turning the socket about the mounting cylinder.
    Type: Grant
    Filed: October 22, 1997
    Date of Patent: July 6, 1999
    Inventor: Yu-Chih Wu