Patents by Inventor Chih-Yuan Wang

Chih-Yuan Wang 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: 11982866
    Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly, a driving assembly and a stopping assembly. The fixed assembly has a main axis. The movable assembly is configured to connect an optical element, and the movable assembly is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly. The stopping assembly is configured to limit the movement of the movable assembly relative to the fixed assembly within a range of motion.
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: May 14, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Liang-Ting Ho, Chen-Er Hsu, Yi-Liang Chan, Fu-Lai Tseng, Fu-Yuan Wu, Chen-Chi Kuo, Ying-Jen Wang, Wei-Han Hsia, Yi-Hsin Tseng, Wen-Chang Lin, Chun-Chia Liao, Shou-Jen Liu, Chao-Chun Chang, Yi-Chieh Lin, Shang-Yu Hsu, Yu-Huai Liao, Shih-Wei Hung, Sin-Hong Lin, Kun-Shih Lin, Yu-Cheng Lin, Wen-Yen Huang, Wei-Jhe Shen, Chih-Shiang Wu, Sin-Jhong Song, Che-Hsiang Chiu, Sheng-Chang Lin
  • Patent number: 11978773
    Abstract: A semiconductor device structure and a method for forming a semiconductor device structure are provided. The semiconductor device structure includes a stack of channel structures over a base structure. The semiconductor device structure also includes a first epitaxial structure and a second epitaxial structure sandwiching the channel structures. The semiconductor device structure further includes a gate stack wrapped around each of the channel structures and a backside conductive contact connected to the second epitaxial structure. A first portion of the backside conductive contact is directly below the base structure, and a second portion of the backside conductive contact extends upwards to approach a bottom surface of the second epitaxial structure. In addition, the semiconductor device structure includes an insulating spacer between a sidewall of the base structure and the backside conductive contact.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: May 7, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Huan-Chieh Su, Chun-Yuan Chen, Li-Zhen Yu, Shih-Chuan Chiu, Cheng-Chi Chuang, Chih-Hao Wang
  • Publication number: 20240137599
    Abstract: A terminal, comprising one or a plurality of processors, wherein the one or plurality of processors execute a machine-readable instruction to perform: receiving an object in a live streaming; displaying the object on the terminal; detecting a keyword in the object corresponding to a function in the live streaming; and triggering the function in response to an operation on the object. The present disclosure may allow the streamers to generate or amend an object such as stickers on the live streaming room in a more flexible manner. At the same time, the viewer may perform an operation on the object to realize a corresponding function in a more convenient manner. Therefore, the interaction among streamers and viewers may be increased, and the user experience may also be enhanced.
    Type: Application
    Filed: July 2, 2023
    Publication date: April 25, 2024
    Inventors: Yu-Cheng FAN, Sz-Chi HUANG, Chih-Yuan WANG
  • Publication number: 20240126275
    Abstract: The present invention is directed to an obstacle avoidance system for an unmanned vehicle, comprising: an obstacle sensing module provided at a vehicle body; a vehicle-mounted computer provided at the vehicle body and electrically connected to the obstacle sensing module; a control module provided at the vehicle body and electrically connected to the vehicle-mounted computer; and a power source provided at the vehicle body and electrically connected to the obstacle sensing module, the vehicle-mounted computer and the control module.
    Type: Application
    Filed: October 5, 2023
    Publication date: April 18, 2024
    Inventors: Tsung-Yuan Wang, Chih-Ting Li, Shou-Hsien Wang
  • Patent number: 11961768
    Abstract: A method includes forming a first transistor, which includes forming a first gate dielectric layer over a first channel region in a substrate and forming a first work-function layer over the first gate dielectric layer, wherein forming the first work-function layer includes depositing a work-function material using first process conditions to form the work-function material having a first proportion of different crystalline orientations and forming a second transistor, which includes forming a second gate dielectric layer over a second channel region in the substrate and forming a second work-function layer over the second gate dielectric layer, wherein forming the second work-function layer includes depositing the work-function material using second process conditions to form the work-function material having a second proportion of different crystalline orientations.
    Type: Grant
    Filed: May 5, 2023
    Date of Patent: April 16, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ya-Wen Chiu, Da-Yuan Lee, Hsien-Ming Lee, Kai-Cyuan Yang, Yu-Sheng Wang, Chih-Hsiang Fan, Kun-Wa Kuok
  • Publication number: 20240121523
    Abstract: A light-adjusting device having first regions and second regions is provided. The light-adjusting device includes pillars that form several groups of meta structures. The groups of meta structures correspond to the first regions, and from a top view, the first regions and the second regions are arranged in a checkerboard pattern.
    Type: Application
    Filed: October 7, 2022
    Publication date: April 11, 2024
    Inventors: Kai-Hao CHANG, Chun-Yuan WANG, Shin-Hong KUO, Zong-Ru TU, Po-Hsiang WANG, Chih-Ming WANG
  • Publication number: 20240120391
    Abstract: Embodiments of the present disclosure provide semiconductor device structures and methods of forming the same. The structure includes a first source/drain region disposed under a well portion, a second source/drain region disposed adjacent the first source/drain region, a dielectric material disposed between the first and second source/drain regions, and a conductive contact having a first portion disposed under the first source/drain region and a second portion disposed adjacent the first source/drain region. The second portion is disposed in the dielectric material. The structure further includes a conductive feature disposed in the dielectric material, and the conductive feature is electrically connected to the conductive contact. The conductive feature has a top surface that is substantially coplanar with a top surface of the well portion.
    Type: Application
    Filed: January 19, 2023
    Publication date: April 11, 2024
    Inventors: Chun-Yuan CHEN, Huan-Chieh SU, Chih-Hao WANG
  • Patent number: 11955515
    Abstract: A semiconductor device with dual side source/drain (S/D) contact structures and a method of fabricating the same are disclosed. The method includes forming a fin structure on a substrate, forming a superlattice structure on the fin structure, forming first and second S/D regions within the superlattice structure, forming a gate structure between the first and second S/D regions, forming first and second contact structures on first surfaces of the first and second S/D regions, and forming a third contact structure, on a second surface of the first S/D region, with a work function metal (WFM) silicide layer and a dual metal liner. The second surface is opposite to the first surface of the first S/D region and the WFM silicide layer has a work function value closer to a conduction band energy than a valence band energy of a material of the first S/D region.
    Type: Grant
    Filed: July 28, 2022
    Date of Patent: April 9, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Shih-Chuan Chiu, Chia-Hao Chang, Cheng-Chi Chuang, Chih-Hao Wang, Huan-Chieh Su, Chun-Yuan Chen, Li-Zhen Yu, Yu-Ming Lin
  • Patent number: 11942530
    Abstract: The present disclosure relates to a semiconductor device having a backside source/drain contact, and method for forming the device. The semiconductor device includes a source/drain feature having a top surface and a bottom surface, a first silicide layer formed in contact with the top surface of the source/drain feature, a first conductive feature formed on the first silicide layer, and a second conductive feature having a body portion and a first sidewall portion extending from the body portion, wherein the body portion is below the bottom surface of the source/drain feature, and the first sidewall portion is in contact with the first conductive feature.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: March 26, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chun-Yuan Chen, Pei-Yu Wang, Huan-Chieh Su, Chih-Hao Wang
  • Publication number: 20240096701
    Abstract: A device includes: a stack of semiconductor nanostructures; a gate structure wrapping around the semiconductor nanostructures, the gate structure extending in a first direction; a source/drain region abutting the gate structure and the stack in a second direction transverse the first direction; a contact structure on the source/drain region; a backside conductive trace under the stack, the backside conductive trace extending in the second direction; a first through via that extends vertically from the contact structure to a top surface of the backside dielectric layer; and a gate isolation structure that abuts the first through via in the second direction.
    Type: Application
    Filed: May 17, 2023
    Publication date: March 21, 2024
    Inventors: Chun-Yuan CHEN, Huan-Chieh SU, Ching-Wei TSAI, Shang-Wen CHANG, Yi-Hsun CHIU, Chih-Hao WANG
  • Publication number: 20240096996
    Abstract: A semiconductor device includes a first dielectric layer, a stack of semiconductor layers disposed over the first dielectric layer, a gate structure wrapping around each of the semiconductor layers and extending lengthwise along a direction, and a dielectric fin structure and an isolation structure disposed on opposite sides of the stack of semiconductor layers and embedded in the gate structure. The dielectric fin structure has a first width along the direction smaller than a second width of the isolation structure along the direction. The isolation structure includes a second dielectric layer extending through the gate structure and the first dielectric layer, and a third dielectric layer extending through the first dielectric layer and disposed on a bottom surface of the gate structure and a sidewall of the first dielectric layer.
    Type: Application
    Filed: November 28, 2023
    Publication date: March 21, 2024
    Inventors: Huan-Chieh Su, Chun-Yuan Chen, Li-Zhen Yu, Lo-Heng Chang, Cheng-Chi Chuang, Kuan-Lun Cheng, Chih-Hao Wang
  • Publication number: 20240088228
    Abstract: A device includes a substrate, a chalcogenide channel layer, a chalcogenide barrier layer, source/drain contacts, and a gate electrode. The chalcogenide channel layer is over the substrate. The chalcogenide barrier layer is over the chalcogenide channel layer. A dopant concentration of the chalcogenide barrier layer is greater than a dopant concentration of the chalcogenide channel layer. The source/drain contacts are over the chalcogenide channel layer. The gate electrode is over the substrate.
    Type: Application
    Filed: November 20, 2023
    Publication date: March 14, 2024
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., NATIONAL TAIWAN UNIVERSITY
    Inventors: Yun-Yuan WANG, Chih-Hsiang HSIAO, I-Chih NI, Chih-I WU
  • Patent number: 11929434
    Abstract: A switch device includes a P-type substrate, a first gate structure, a first N-well, a shallow trench isolation structure, a first P-well, a second gate structure, a first N-type doped region, a second P-well, and a second N-type doped region. The first N-well is formed in the P-type substrate and partly under the first gate structure. The shallow trench isolation structure is formed in the first N-well and under the first gate structure. The first P-well is formed in the P-type substrate and under the first gate structure. The first N-type doped region is formed in the P-type substrate and between the first gate structure and the second gate structure. The second P-well is formed in the P-type substrate and under the second gate structure. The second N-type doped region is formed in the second P-well and partly under the second gate structure.
    Type: Grant
    Filed: April 15, 2022
    Date of Patent: March 12, 2024
    Assignee: eMemory Technology Inc.
    Inventors: Chih-Hsin Chen, Shih-Chen Wang, Tsung-Mu Lai, Wen-Hao Ching, Chun-Yuan Lo, Wei-Chen Chang
  • Publication number: 20240071413
    Abstract: The present disclosure generally relates to a dual free layer (DFL) read head and methods of forming thereof. In one embodiment, a method of forming a DFL read head comprises depositing a DFL sensor, defining a stripe height of the DFL sensor, depositing a rear bias (RB) adjacent to the DFL sensor, defining a track width of the DFL sensor and the RB, and depositing synthetic antiferromagnetic (SAF) soft bias (SB) side shields adjacent to the DFL sensor. In another embodiment, a method of forming a DFL read head comprises depositing a DFL sensor, defining a track width of the DFL sensor, depositing SAF SB side shields adjacent to the DFL sensor, defining a stripe height of the DFL sensor and the SAF SB side shield, depositing a RB adjacent to the DFL sensor and the SAF SB side shield, and defining a track width of the RB.
    Type: Application
    Filed: August 31, 2022
    Publication date: February 29, 2024
    Applicant: Western Digital Technologies, Inc.
    Inventors: Ming MAO, Yung-Hung WANG, Chih-Ching HU, Chen-Jung CHIEN, Carlos CORONA, Hongping YUAN, Ming JIANG, Goncalo Marcos BAIÃO DE ALBUQUERQUE
  • Publication number: 20230069237
    Abstract: The present disclosure provides a method and a system therefore for processing wafer. The method includes: extracting a first gas from a chamber via a first route; blocking a second route used to be pumped down to chuck a wafer placed in the chamber, wherein the second route connects the chamber and the first route; and providing a second gas via a third route to purge a junction of the first route and the second route.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 2, 2023
    Inventors: SHENG-CHUN YANG, CHIH-LUNG CHENG, YI-MING LIN, PO-CHIH HUANG, YU-HSIANG JUAN, XUAN-YANG ZHENG, REN-JYUE WANG, CHIH-YUAN WANG
  • Publication number: 20220366963
    Abstract: A flash memory storage apparatus includes a memory cell array and a voltage generating circuit. The memory cell array includes at least one memory cell string coupled between a bit line and a source line and including memory cells; each memory cell is coupled to a corresponding word line. The voltage generating circuit is coupled to the memory cell array and configured to output a bias voltage to the word line. A first voltage is applied to a selected word line. A second voltage and a third voltage are applied to unselected second and third word lines, respectively. The first voltage is greater than the second voltage, and the second voltage is greater than the third voltage. The second word line and the third word line are located on two sides of the first word line. A biasing method of a flash memory storage apparatus is also provided.
    Type: Application
    Filed: July 27, 2022
    Publication date: November 17, 2022
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Chien-Hung Lien, Chih-Yuan Wang
  • Publication number: 20220246194
    Abstract: A flash memory storage apparatus includes a memory cell array and a voltage generating circuit. The memory cell array includes at least one memory cell string coupled between a bit line and a source line and including memory cells; each memory cell is coupled to a corresponding word line. The voltage generating circuit is coupled to the memory cell array and configured to output a bias voltage to the word line. A first voltage is applied to a selected word line. A second voltage and a third voltage are applied to unselected second and third word lines, respectively. The first voltage is greater than the second voltage, and the second voltage is greater than the third voltage. The second word line and the third word line are located on two sides of the first word line. A biasing method of a flash memory storage apparatus is also provided.
    Type: Application
    Filed: March 18, 2021
    Publication date: August 4, 2022
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Chien-Hung Lien, Chih-Yuan Wang
  • Publication number: 20210373025
    Abstract: The present disclosure provides a method of prognosis of thyroid cancer including obtaining an exosome from a subject who had received a therapy of thyroid cancer such as thyroidectomy, and detecting whether thyroglobulin is present in the exosome. Moreover, the present disclosure provides the use of urinary exosomal thyroglobulin in being a non-invasive, reproducible, convenient, serial, and accurate follow-up marker for patient with thyroid cancer.
    Type: Application
    Filed: May 15, 2018
    Publication date: December 2, 2021
    Inventor: Chih-Yuan WANG
  • Patent number: 10376235
    Abstract: A needle guide system is provided. The needle guide system includes a puncture device, an ultrasound transducer, a first orientation detector, a second orientation detector, a proximity detector and a processor. The ultrasound transducer is configured to obtain an ultrasound image. The first orientation detector is disposed on the puncture device, and the second orientation detector is disposed on the ultrasound transducer. The proximity detector is disposed on at least one of the puncture device and the ultrasound transducer, configured to obtain a relative distance between the puncture device and the ultrasound transducer. The processor is configured to obtain a spatial relationship between the puncture device and the ultrasound transducer by using the first orientation detector, the second orientation detector, and the proximity detector, and predict a trajectory of the puncture device in the ultrasound image according to the spatial relationship.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: August 13, 2019
    Assignees: Industrial Technology Research Institute, National Taiwan University Hospital
    Inventors: Wan-Hsin Hsieh, Hui-Hsin Lu, Chih-Yuan Wang
  • Publication number: 20190069251
    Abstract: A communications apparatus in a communications system includes a processor and a power scheme controller. The processor determines a predetermined adjustment offset for a zone according to a frame structure of the communications system. The power scheme controller is coupled to the processor, obtains information regarding the predetermined adjustment offset for the zone, determines a predetermined scaling factor for the zone, and determines a target frequency or a target voltage for the processor to operate in according to the predetermined adjustment offset and the predetermined scaling factor.
    Type: Application
    Filed: August 23, 2017
    Publication date: February 28, 2019
    Inventors: Chih-Yuan WANG, Hong-Ching CHEN, Chih-Yu CHANG, Chih-Jung YU, Fang-Yu LIN