Patents by Inventor Kai Chang

Kai Chang 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: 11670490
    Abstract: The present disclosure provides a semiconductor fabrication apparatus. The semiconductor apparatus includes a processing chamber; a substrate stage provided in the processing chamber and being configured to secure and rotate a semiconductor wafer; a gas injector configured to inject a chemical to the processing chamber; a window attached to the gas injector; and an adjustable fastening device coupled with the gas injector and the window.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: June 6, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yung-Shun Hsu, Ching-Yu Chang, Chiao-Kai Chang, Wai Hong Cheah, Chien-Fang Lin
  • Patent number: 11663656
    Abstract: The invention relates to a system and method that implements a customer account automation framework. A mobile device or system comprises: a memory that accesses customer profile data, customer transaction data and payment rules data; and a computer processor, coupled to the memory, programmed to: identify one or more rules, each rule comprising an event and an action, wherein the one or more rules comprise one of: notification, confirmation and automation and an associated device; receive one or more rule suggestions automatically generated based on customer behavior and transaction data; receive one or more sponsored rule suggestions automatically generated based on sponsor data; accept at least one suggested rule, wherein the suggested rule comprises a corresponding event and a corresponding action; detect an occurrence of the event; and automatically perform the action.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: May 30, 2023
    Assignee: JPMORGAN CHASE BANK, N.A.
    Inventors: James P. White, III, Eric Han Kai Chang
  • Patent number: 11647280
    Abstract: The present disclosure discloses a dual-processor electronic apparatus operation method used in a dual-processor electronic apparatus that includes steps outlined below. A first processor is activated in an initialization procedure. A second processor is activated by the first processor to enter an operation mode. The first processor is deactivated in the operation mode, and the second processor executes a predetermined procedure. Whether a predetermined event occurs during the execution of the predetermined procedure is determined by the second processor such that event information is stored when the predetermined event occurs and the first processor is activated. The event information is accessed and processed by the first processor.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: May 9, 2023
    Assignee: SIGMASTAR TECHNOLOGY LTD.
    Inventors: Fu-Cheng Chen, Chao-Kai Chang, Yao-Chang Hsieh
  • Publication number: 20230128386
    Abstract: A pressable locating device and a driving mechanism are disclosed. The locating device includes a shaft, a restraining rod and a restraining member; an accommodation space and a shaft hole of a sleeve of the driving mechanism are mounted on the shaft, the restraining rod and the restraining member. The pressing unit is movably assembled in the accommodation space and includes an inner sliding channel disposed on a bottom thereof, and the restraining member and the restraining rod are movably slid in the inner sliding channel. The inner sliding channel includes a through hole formed on a side thereof, and a locating member is axially movable in the through hole, so as to radially move to restrain with or depart from the restraining rod, along the restraining member. An elastic part is disposed and reciprocated between the bottom of the pressing unit and the accommodation space.
    Type: Application
    Filed: October 26, 2021
    Publication date: April 27, 2023
    Inventors: Ming-De WU, Ching-Kai CHANG
  • Publication number: 20230117130
    Abstract: A motor inverter is provided. The motor inverter is coupled to an input power source and a motor and controls the mechanical switch to receive or turn off the input power source. The motor inverter includes primary and secondary auxiliary circuits, a microprocessor, a gate driver, and a motor drive circuit. The primary and secondary auxiliary circuits are coupled to the input power source and outputs first and second output voltages respectively. The microprocessor operates the driving switches of the motor drive circuit through the gate driver to switch the input power source for driving the motor. If the microprocessor determines that the first output voltage is abnormal and the motor rotational speed exceeds a safe speed limit, the microprocessor controls the driving switches to form an active short circuit for stopping the motor, and the microprocessor turns off the mechanical switch for protecting the input power source.
    Type: Application
    Filed: July 26, 2022
    Publication date: April 20, 2023
    Inventors: Kuo-Heng Chao, Yu-Kai Chang
  • Publication number: 20230110234
    Abstract: A board to board positioning device includes a base including a shaft hole inside, two through hole arranged at two opposite sides perpendicular to the shaft hole and respectively mounted with a limiting ball, a connecting portion and a limiting portion respectively provided at two sides and two limiting grooves for aligning with the two through holes, and an adjustment knob including an operation space for the base to pass through, a sliding wall surface positioned against the through holes, a driving portion positioned against the limiting portion and a marking portion provided on the outside. The sliding wall surface has a pressing side and a retreating side used to push the limiting balls into and out of the through holes. The driving portion is protruded with locking protrusions that are used to rotate and slide along the limiting portion to enter and exit the limiting grooves.
    Type: Application
    Filed: April 5, 2022
    Publication date: April 13, 2023
    Inventors: Ming-De WU, Ching-Kai CHANG, Ying-Chih TSENG
  • Publication number: 20230116676
    Abstract: A push controlled positioning device includes a base with a through shaft hole, a push block horizontally and slidably coupled to the base and holding two limiting balls in two opposite through holes, and an axle seat with a shaft rod inserted into the shaft hole of the base and locked in place by the limiting balls under the effect of the elastic restoring force of an elastic member in the push block. When the push block is pushed laterally, the balls enter respective loosening grooves in the push block to unlock the axle seat, allowing removable of the base and the push block from the axle seat.
    Type: Application
    Filed: April 18, 2022
    Publication date: April 13, 2023
    Inventors: Ming-De WU, Ching-Kai CHANG, Ying-Chih TSENG
  • Patent number: 11626494
    Abstract: A semiconductor device structure according to the present disclosure includes a source feature and a drain feature, at least one channel structure extending between the source feature and the drain feature, a gate structure wrapped around each of the at least one channel structure, a semiconductor layer over the gate structure, a dielectric layer over the semiconductor layer, a doped semiconductor feature extending through the semiconductor layer and the dielectric layer to be in contact with the source feature, a metal contact plug over the doped semiconductor feature, and a buried power rail disposed over the metal contact plug.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: April 11, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chia-Hung Chu, Sung-Li Wang, Shuen-Shin Liang, Hsu-Kai Chang, Ding-Kang Shih, Tsungyu Hung, Pang-Yen Tsai, Keng-Chu Lin
  • Publication number: 20230095976
    Abstract: The present disclosure describes a method for forming capping layers configured to prevent the migration of out-diffused cobalt atoms into upper metallization layers In some embodiments, the method includes depositing a cobalt diffusion barrier layer on a liner-free conductive structure that includes ruthenium, where depositing the cobalt diffusion barrier layer includes forming the cobalt diffusion barrier layer self-aligned to the liner-free conductive structure. The method also includes depositing, on the cobalt diffusion barrier layer, a stack with an etch stop layer and dielectric layer, and forming an opening in the stack to expose the cobalt diffusion barrier layer. Finally, the method includes forming a conductive structure on the cobalt diffusion barrier layer.
    Type: Application
    Filed: December 5, 2022
    Publication date: March 30, 2023
    Inventors: Shuen-Shin LIANG, Chun-I TSAI, Chih-Wei CHANG, Chun-Hsien HUANG, Hung-Yi HUANG, Keng-Chu LIN, Ken-Yu CHANG, Sung-Li WANG, Chia-Hung CHU, Hsu-Kai CHANG
  • Patent number: 11612737
    Abstract: A non-contact muscle signal sensing and assisting device, comprises a radar sensing module, a microprocessor and an electrical stimulation module. The radar sensing module continuously transmits a first microwave signal to a muscle bundle part and receives a corresponding reflected muscle signal, and performs a demodulation procedure on a second microwave signal and the reflected muscle signal to obtain and output a demodulated muscle signal. The microprocessor performs a muscle-movement signal characteristic processing procedure on the demodulated muscle signal to obtain a characterized muscle signal. The microprocessor obtains a muscle movement parameter according to the characterized muscle signal and controls the electrical stimulation module to emit a micro electrical stimulation signal to stimulate a reflex nerve when the muscle movement parameter fits an assistive condition, thereby stimulate muscle movement.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: March 28, 2023
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Hong-Dun Lin, Tai-Wei Su, Chun-Kai Chang
  • Publication number: 20230086525
    Abstract: The relay safety system provided by the present invention includes a relay, an emergency stop device, a trigger detection circuit, a sticking detection circuit, and a power-off circuit. The emergency stop device is used to generate an emergency stop signal. The trigger detection circuit connects the relay and the emergency stop device, and is used to convert the emergency stop signal into a trigger signal. The sticking detection circuit is connected to the trigger detection circuit and the relay, and is used to detect the sticking signal generated by the relay, and generate a power-off signal according to the trigger signal and the sticking signal. The power-off circuit is connected to the emergency stop device, the relay and the sticking detection circuit, and receives the power-off signal, and disconnects the power of the relay according to the power-off signal.
    Type: Application
    Filed: September 22, 2021
    Publication date: March 23, 2023
    Inventors: Shun-Kai CHANG, Yi-Hung CHEN, Yen-Shun HUANG
  • Publication number: 20230085153
    Abstract: The present invention provides a controller of a tethering device, wherein the controller includes a tethering manager and a cellular configuration manager. The tethering manager is configured to generating tethering parameters of at least one network interface of the tethering device, wherein the at least one network interface of the tethering device is used to communicate with an electronic device, and the electronic device shares a cellular network of the tethering device via the at least one network interface. The cellular configuration manager is configured to determine a first cellular mode according to the tethering parameters of at least one network interface, to control a cellular modem to use the first cellular mode.
    Type: Application
    Filed: September 5, 2022
    Publication date: March 16, 2023
    Applicant: MEDIATEK INC.
    Inventors: Sheng-Kai Chang, Wang-Hsin Kuo
  • Publication number: 20230081804
    Abstract: A display device defines a display area and a non-display area and includes a thin film transistor array substrate, a circuit board, and a light modulating layer. The thin film transistor array substrate includes a glass substrate, a driving circuit, and at least one conductive part. The opposing first and second surfaces of the glass substrate define at least one through hole penetrating both, the through hole accommodating one conductive part which extends to electrically connect the driving circuits on the first and second surfaces. The circuit board is electrically connected to the driving circuit on the first surface. The light modulating layer is in the display area and is on the second surface. The light modulating layer is electrically connected to the driving circuit on the second surface.
    Type: Application
    Filed: February 23, 2022
    Publication date: March 16, 2023
    Inventors: DENG-KAI CHANG, CHING-TUNG WANG, YI-HUNG TSAI, CHIEN-CHANG WANG, AN-CHOU CHEN
  • Publication number: 20230071738
    Abstract: Disclosed are a manual and remote control forward and reverse rotation control device and its control method for DC brushless ceiling fans. The control device includes a power supply, a remote control, a manual control switch assembly and a ceiling fan brushless motor which are electrically connected with one another. A gear position signal can be inputted from a remote end to determine and control the forward and reverse rotations of a brushless motor of the ceiling fan. The remote control can be connected externally by an existing control line or a manual controller module without requiring additional wiring, so as to improve the diversity of structural mechanism, increase the versatility of remote operation, and achieve good functionality and variability of applications.
    Type: Application
    Filed: September 17, 2021
    Publication date: March 9, 2023
    Inventor: Yi-Kai CHANG
  • Publication number: 20230061022
    Abstract: The present disclosure describes a semiconductor structure and a method for forming the same. The semiconductor structure can include a substrate, a gate structure over the substrate, a source/drain (S/D) contact structure adjacent to the gate structure, a layer of dielectric material over the S/D contact structure and over the gate structure, a layer of organometallic material formed through the layer of dielectric material, and a trench conductor layer formed through the layer of dielectric material and in contact with the S/D contact structure and the gate structure. The layer of organometallic material can be between the layer of dielectric material and the trench conductor layer.
    Type: Application
    Filed: August 27, 2021
    Publication date: March 2, 2023
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Hsu-Kai CHANG, Chia-Hung CHU, Shuen-Shin LIANG, Keng-Chu LIN, Pinyen LIN, Sung-Li WANG
  • Publication number: 20230068965
    Abstract: The present disclosure describes a semiconductor structure and a method for forming the same. The semiconductor structure can include a substrate, a gate structure over the substrate, a layer of dielectric material over the gate structure, a source/drain (S/D) contact layer formed through and adjacent to the gate structure, and a trench conductor layer over and in contact with the S/D contact layer. The S/D contact layer can include a layer of platinum-group metallic material and a silicide layer formed between the substrate and the layer of platinum-group metallic material. A top width of a top portion of the layer of platinum-group metallic material can be greater than or substantially equal to a bottom width of a bottom portion of the layer of platinum-group metallic material.
    Type: Application
    Filed: August 27, 2021
    Publication date: March 2, 2023
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chia-Hung CHU, Shuen-Shin LIANG, Hsu-Kai CHANG, Tzu Pei CHEN, Kan-Ju LIN, Chien CHANG, Hung-Yi HUANG, Sung-Li WANG
  • Publication number: 20230064722
    Abstract: The present invention provides a control method of a tethering device, wherein the control method includes the steps of: receiving cellular information of the tethering device, and determining a first tethering mode according to the cellular information; and using the first tethering mode to configure at least one interface of the tethering device, wherein the at least one interface of the tethering device is used to communicate with an electronic device, and the electronic device shares a cellular network of the tethering device via the at least one interface.
    Type: Application
    Filed: July 20, 2022
    Publication date: March 2, 2023
    Applicant: MEDIATEK INC.
    Inventors: Sheng-Kai Chang, Wang-Hsin Kuo
  • Patent number: 11594609
    Abstract: The present disclosure describes a method for forming liner-free or barrier-free conductive structures. The method includes forming a liner-free conductive structure on a cobalt conductive structure disposed on a substrate, depositing a cobalt layer on the liner-free conductive structure and exposing the liner-free conductive structure to a heat treatment. The method further includes removing the cobalt layer from the liner-free conductive structure.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: February 28, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Shuen-Shin Liang, Chun-I Tsai, Chih-Wei Chang, Chun-Hsien Huang, Hung-Yi Huang, Keng-Chu Lin, Ken-Yu Chang, Sung-Li Wang, Chia-Hung Chu, Hsu-Kai Chang
  • Patent number: 11581259
    Abstract: The present disclosure describes a method for the fabrication of ruthenium conductive structures over cobalt conductive structures. In some embodiments, the method includes forming a first opening in a dielectric layer to expose a first cobalt contact and filling the first opening with ruthenium metal to form a ruthenium contact on the first cobalt contact. The method also includes forming a second opening in the dielectric layer to expose a second cobalt contact and a gate structure and filling the second opening with tungsten to form a tungsten contact on the second cobalt contact and the gate structure. Further, the method includes forming a copper conductive structure on the ruthenium contact and the tungsten contact, where the copper from the copper conductive structure is in contact with the ruthenium metal from the ruthenium contact.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: February 14, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Cheng-Wei Chang, Chien-Shun Liao, Sung-Li Wang, Shuen-Shin Liang, Shu-Lan Chang, Yi-Ying Liu, Chia-Hung Chu, Hsu-Kai Chang
  • Patent number: 11579531
    Abstract: The present disclosure is directed to organotin cluster compounds having formula (I) and their use as photoresists in extreme ultraviolet lithography processes.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: February 14, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Hsu-Kai Chang, Chi-Ming Yang, Jui-Hsiung Liu, Jui-Hung Fu, Hsin-Yi Wu