Patents by Inventor Hsin Cheng

Hsin Cheng 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: 11940646
    Abstract: A keyswitch backlight structure includes a light-guiding layer, a reflective layer, and a transparent adhesive layer. The light-guiding layer has a bottom surface, a light-emitting surface opposite to the bottom surface, and a surface microstructure formed on the light-emitting surface. The reflective layer is disposed opposite to the bottom surface. The transparent adhesive layer is closely attached to and between the reflective layer and the light-guiding layer corresponding to the surface microstructure. An illuminated keyswitch structure includes base plate, a keycap, a supporting mechanism, and the above keyswitch backlight structure. The keyswitch backlight structure and the base plate are stacked. The supporting mechanism is connected to and between the base plate and the keycap for lifting the keycap relative to the base plate. Light entering the light-guiding layer exits the light-guiding layer through the light-emitting surface to illuminate a transparent indication area of the keycap.
    Type: Grant
    Filed: April 14, 2023
    Date of Patent: March 26, 2024
    Assignee: DARFON ELECTRONICS CORP.
    Inventors: Shih-Yung Ku, Hsin-Cheng Ho
  • Patent number: 11940658
    Abstract: An optical fiber module is provided and includes an optical fiber structure, a light-absorbing area and a photoelectric sensor in a housing. The optical fiber structure collectively arranges a plurality of first optical fibers to form at least one optical fiber bundle with a tapered end, and a second optical fiber is connected to the tapered end of the optical fiber bundle to converge the optical fiber bundle to the second optical fiber. The light-absorbing area corresponds to an end of the second optical fiber, such that the light-absorbing area absorbs scattering signals escaped and scattered when signals are transmitted from the plurality of first optical fibers to the second optical fiber. The photoelectric sensor is arranged corresponding to the plurality of first optical fibers to receive target signals escaped and refracted when the signals are transmitted from the second optical fiber to the plurality of first optical fibers.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: March 26, 2024
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Hsin-Chia Su, Ying-Hui Yang, Yu-Cheng Song, Tsung-Jun Ho
  • Publication number: 20240094625
    Abstract: A method of making a semiconductor device includes forming at least one fiducial mark on a photomask. The method further includes defining a pattern including a plurality of sub-patterns on the photomask in a pattern region. The defining the pattern includes defining a first sub-pattern of the plurality of sub-patterns having a first spacing from a second sub-pattern of the plurality of sub-patterns, wherein the first spacing is different from a second spacing between the second sub-pattern and a third sub-pattern of the plurality of sub-patterns.
    Type: Application
    Filed: November 29, 2023
    Publication date: March 21, 2024
    Inventors: Hsin-Chang LEE, Ping-Hsun LIN, Chih-Cheng LIN, Chia-Jen CHEN
  • Publication number: 20240097888
    Abstract: In a file sharing system, a key manager unit realizes a correspondence between the first user identifier and the first public key in response to a registration request of the first user, generates a first key material for encrypting the first file into a first encrypted file, and generates a first credential according to the first user identifier, the first file identifier, the first public key and the first key material after receiving an access-right claim request to the first file from the first user. A file storage unit stores the first encrypted file and the first credential. The first user uses the first user identifier, the first file identifier and the first private key to retrieve the first key material out of the first credential, and uses the first key material to decrypt the first encrypted file into the first file.
    Type: Application
    Filed: September 18, 2023
    Publication date: March 21, 2024
    Inventors: CHIA-JUNG LIANG, CHIHHUNG LIN, CHIH-PING HSIAO, YU-JIE SU, CHIA-HSIN CHENG, TUN-HOU WANG, MENG-CHAO TSAI, YUEH-CHIN LIN
  • Publication number: 20240094626
    Abstract: A pellicle for an extreme ultraviolet (EUV) photomask includes a pellicle frame and a main membrane attached to the pellicle frame. The main membrane includes a plurality of nanotubes, and each of the plurality of nanotubes is covered by a coating layer containing Si and one or more metal elements.
    Type: Application
    Filed: April 12, 2023
    Publication date: March 21, 2024
    Inventors: Pei-Cheng HSU, Wei-Hao LEE, Huan-Ling LEE, Hsin-Chang LEE, Chin-Hsiang LIN
  • Publication number: 20240096568
    Abstract: A backlight module configured to illuminate at least one key cap of a lighting keyboard. The backlight module comprises a lighting board, a light emitting unit and a light guide plate. The lighting board has a first reflective layer, a lighting circuit and two aligned micro-structure regions, all three at least partially being layered in parallel with each other. The two micro-structure regions reflect lights and are separated by the lighting circuit. The light emitting unit includes plural color dies connecting electrically with the lighting circuit. The light guide plate has a light guide hole for accommodating the light emitting unit. The color dies of the light emitting unit are aligned linearly, while the two micro-structure regions of the lighting board are aligned in perpendicular to the linearly-aligned color dies, with the micro-structure regions disposed at opposite sides the light emitting unit.
    Type: Application
    Filed: November 17, 2023
    Publication date: March 21, 2024
    Applicant: DARFON ELECTRONICS CORP.
    Inventors: Heng-Yi Huang, Hsin-Cheng Ho
  • Patent number: 11931187
    Abstract: A method for predicting clinical severity of a neurological disorder includes steps of: a) identifying, according to a magnetic resonance imaging (MRI) image of a brain, brain image regions each of which contains a respective portion of diffusion index values of a diffusion index, which results from image processing performed on the MRI image; b) for one of the brain image regions, calculating a characteristic parameter based on the respective portion of the diffusion index values; and c) calculating a severity score that represents the clinical severity of the neurological disorder of the brain based on the characteristic parameter of the one of the brain image regions via a prediction model associated with the neurological disorder.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: March 19, 2024
    Assignees: Chang Gung Medical Foundation Chang Gung Memorial Hospital at Keelung, Chang Gung Memorial Hospital, Linkou, Chang Gung University
    Inventors: Jiun-Jie Wang, Yi-Hsin Weng, Shu-Hang Ng, Jur-Shan Cheng, Yi-Ming Wu, Yao-Liang Chen, Wey-Yil Lin, Chin-Song Lu, Wen-Chuin Hsu, Chia-Ling Chen, Yi-Chun Chen, Sung-Han Lin, Chih-Chien Tsai
  • Publication number: 20240088195
    Abstract: An image sensor device includes a semiconductor substrate, a radiation sensing member, a shallow trench isolation, and a color filter layer. The radiation sensing member is in the semiconductor substrate. An interface between the radiation sensing member and the semiconductor substrate includes a direct band gap material. The shallow trench isolation is in the semiconductor substrate and surrounds the radiation sensing member. The color filter layer covers the radiation sensing member.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chia-Yu WEI, Yen-Liang LIN, Kuo-Cheng LEE, Hsun-Ying HUANG, Hsin-Chi CHEN
  • Publication number: 20240085781
    Abstract: In a method of cleaning a photo mask, the photo mask is placed on a support such that a pattered surface faces down, and an adhesive sheet is applied to edges of a backside surface of the photo mask.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 14, 2024
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Hsin-Chang LEE, Pei-Cheng HSU, Hao-Ping CHENG, Ta-Cheng LIEN
  • Publication number: 20240077804
    Abstract: A method includes forming a test pattern and a reference pattern in an absorption layer of a photomask structure. The test pattern has a first trench and a second trench, the reference pattern has a third trench and a fourth trench, the test pattern and the reference pattern have substantially the same dimension in a top view, and the second trench is deeper than the first trench, the third trench, and the fourth trench. The method further includes emitting a light beam to the test pattern to obtain a first interference pattern reflected from the test pattern, emitting the light beam to the reference pattern to obtain a second interference pattern reflected from the reference pattern; and comparing the first interference pattern with the second interference pattern to obtain a measured complex refractive index of the absorption layer.
    Type: Application
    Filed: September 1, 2022
    Publication date: March 7, 2024
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ping-Hsun LIN, Chien-Cheng CHEN, Shih Ju HUANG, Pei-Cheng HSU, Ta-Cheng LIEN, Hsin-Chang LEE
  • Patent number: 11923414
    Abstract: A method of forming semiconductor devices having improved work function layers and semiconductor devices formed by the same are disclosed. In an embodiment, a method includes depositing a gate dielectric layer on a channel region over a semiconductor substrate; depositing a first p-type work function metal on the gate dielectric layer; performing an oxygen treatment on the first p-type work function metal; and after performing the oxygen treatment, depositing a second p-type work function metal on the first p-type work function metal.
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: March 5, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Hsin-Yi Lee, Ji-Cheng Chen, Chi On Chui
  • Patent number: 11923310
    Abstract: A package structure and method for forming the same are provided. The package structure includes a first through via structure formed in a substrate and a semiconductor die formed below the first through via structure. The package structure further includes a conductive structure formed in a passivation layer over the substrate. The conductive structure includes a first via portion and a second via portion, the first via portion is directly over the first through via structure, and there is no conductive material directly below and in direct contact with the second via portion.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: March 5, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Kai Cheng, Tsung-Shu Lin, Tsung-Yu Chen, Hsien-Pin Hu, Wen-Hsin Wei
  • Patent number: 11923429
    Abstract: A semiconductor device and method for forming the semiconductor device are provided. In some embodiments, a semiconductor substrate comprises a device region. An isolation structure extends laterally in a closed path to demarcate the device region. A first source/drain region and a second source/drain region are in the device region and laterally spaced. A sidewall of the first source/drain region directly contacts the isolation structure at a first isolation structure sidewall, and remaining sidewalls of the first source/drain region are spaced from the isolation structure. A selectively-conductive channel is in the device region, and extends laterally from the first source/drain region to the second source/drain region. A plate comprises a central portion and a first peripheral portion. The central portion overlies the selectively-conductive channel, and the first peripheral portion protrudes from the central portion towards the first isolation structure sidewall.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: March 5, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Chang Cheng, Fu-Yu Chu, Ming-Ta Lei, Ruey-Hsin Liu, Shih-Fen Huang
  • Publication number: 20240069654
    Abstract: A touchpad device includes a substrate and a touch panel. The substrate includes a main plate, a first limiting plate, and a first flexible member. The main plate has a long side and a short side. The first limiting plate has a first stopping portion, the first flexible member is integrally connected between the long side and the first limiting plate, and the first limiting plate is adjacent to the short side. The touch panel is disposed above the substrate. The touch panel has a bottom surface, a pivot side of the bottom surface is disposed on the main plate, the first limiting plate of the substrate is fixed on the bottom surface and adjacent to a first side of the bottom surface, and the first stopping portion of the first limiting plate protrudes from an edge portion of the first side.
    Type: Application
    Filed: August 9, 2023
    Publication date: February 29, 2024
    Inventors: Po-Chun Hou, Po-Hsin Li, Chi-Hung Cheng
  • Publication number: 20240074068
    Abstract: An electronic device includes a back board, a circuit board, a first attaching member and a second attaching member. The circuit board is arranged on the back board. The first attaching member is arranged between the back board and the circuit board. The second attaching member is arranged between the back board and the circuit board. The circuit board is fixed on the back board through the first attaching member and the second attaching member, and a material of the first attaching member is different from that of the second attaching member.
    Type: Application
    Filed: July 25, 2023
    Publication date: February 29, 2024
    Inventors: Yuan-Cheng LIU, Meng-Syuan WU, Hsin-Cheng CHEN
  • Publication number: 20240069427
    Abstract: In a method of manufacturing a pellicle for an extreme ultraviolet (EUV) photomask, a nanotube layer including a plurality of carbon nanotubes is formed, the nanotube layer is attached to a pellicle frame, and a solvent dipping treatment is performed to the nanotube layer by applying bubbles in a solvent to the nanotube layer.
    Type: Application
    Filed: March 2, 2023
    Publication date: February 29, 2024
    Inventors: Ting-Pi SUN, Pei-Cheng HSU, Hsin-Chang LEE
  • Publication number: 20240069431
    Abstract: In a method of manufacturing an attenuated phase shift mask, a photo resist pattern is formed over a mask blank. The mask blank includes a transparent substrate, an etch stop layer on the transparent substrate, a phase shift material layer on the etch stop layer, a hard mask layer on the phase shift material layer and an intermediate layer on the hard mask layer. The intermediate layer is patterned by using the photo resist pattern as an etching mask, the hard mask layer is patterned by using the patterned intermediate layer as an etching mask, and the phase shift material layer is patterned by using the patterned hard mask layer as an etching mask. The intermediate layer includes at least one of a transition metal, a transition metal alloy, or a silicon containing material, and the hard mask layer is made of a different material than the intermediate layer.
    Type: Application
    Filed: February 16, 2023
    Publication date: February 29, 2024
    Inventors: Wei-Che HSIEH, Chien-Cheng Chen, Ping-Hsun Lin, Ta-Cheng Lien, Hsin-Chang Lee
  • Publication number: 20240071888
    Abstract: A package structure including a redistribution circuit structure, a wiring substrate, first conductive terminals, an insulating encapsulation, and a semiconductor device is provided. The redistribution circuit structure includes stacked dielectric layers, redistribution wirings and first conductive pads. The first conductive pads are disposed on a surface of an outermost dielectric layer among the stacked dielectric layers, the first conductive pads are electrically connected to outermost redistribution pads among the redistribution wirings by via openings of the outermost dielectric layer, and a first lateral dimension of the via openings is greater than a half of a second lateral dimension of the outermost redistribution pads. The wiring substrate includes second conductive pads. The first conductive terminals are disposed between the first conductive pads and the second conductive pads. The insulating encapsulation is disposed on the surface of the redistribution circuit structure.
    Type: Application
    Filed: August 28, 2022
    Publication date: February 29, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chien-Chang Lin, Yen-Fu Su, Chin-Liang Chen, Wei-Yu Chen, Hsin-Yu Pan, Yu-Min Liang, Hao-Cheng Hou, Chi-Yang Yu
  • Patent number: 11914286
    Abstract: The present disclosure provides an apparatus for a lithography process in accordance with some embodiments. The apparatus includes a pellicle membrane, a pellicle frame including a material selected from the group consisting of boron nitride (BN), boron carbide (BC), and a combination thereof, a mask, a first adhesive layer that secures the pellicle membrane to the pellicle frame, and a second adhesive layer that secures the pellicle frame to the mask.
    Type: Grant
    Filed: April 4, 2022
    Date of Patent: February 27, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD
    Inventors: Amo Chen, Yun-Yue Lin, Ta-Cheng Lien, Hsin-Chang Lee, Chih-Cheng Lin, Jeng-Horng Chen
  • Patent number: D1017381
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: March 12, 2024
    Assignee: QBIC TECHNOLOGY CO., LTD.
    Inventors: Yi-Hsin Chen, Wei-Yuan Cheng, Ren-Yin Wu Ji