Patents by Inventor Fu Tsai

Fu Tsai 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).

  • Publication number: 20230352338
    Abstract: Methods and devices are provided herein for enhancing robustness of a bipolar electrostatic discharge (ESD) device. The robustness of a bipolar ESD device includes providing an emitter region and a collector region adjacent to the emitter region. An isolation structure is provided between the emitter region and the collector region. A ballasting characteristic at the isolation structure is modified by inserting at least one partition structure therein. Each partition structure extends substantially abreast at least one of the emitter and the collector regions.
    Type: Application
    Filed: July 3, 2023
    Publication date: November 2, 2023
    Inventors: Alexander Kalnitsky, Jen-Chou Tseng, Chia-Wei Hsu, Ming-Fu Tsai
  • Publication number: 20230346639
    Abstract: A health care device includes a health care body for positioning a body part of a user, so as to maintain a first specific positional relationship with the body part, wherein the body part has an acupoint; an acupoint work piece for performing a health care work onto the use through the acupoint; and a work piece holder having a first end connected to the health care body and a second end for fixing the acupoint work piece, so that under the first specific positional relationship, the acupoint work piece performs the health care work under the condition that the acupoint work piece has a second specific positional relationship with the acupoint. A health care body, method and system are also provided.
    Type: Application
    Filed: August 24, 2022
    Publication date: November 2, 2023
    Applicant: TAO MINING CO., LTD.
    Inventor: Ching-Fu TSAI
  • Publication number: 20230343743
    Abstract: A flip-chip bonding method includes following operations. A wafer is provided with multiple semiconductor dies on an adhesive film held by a frame element. A semiconductor die is lifted up from the wafer by an ejector element. The semiconductor die is picked up with a collector element. The semiconductor die is flip-chipped with the collector element. An alignment check is performed to determine a position of the semiconductor die, so as to determine a process tolerance between a center of the collector element and a center of the semiconductor die. The semiconductor die with the collector element is transferred to a location underneath a bonder element based on the process tolerance of the alignment check. The semiconductor die is picked up from the collector element by the bonder element. The semiconductor die is bonded to a carrier by the bonder element.
    Type: Application
    Filed: April 21, 2022
    Publication date: October 26, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yi-Jung Chen, Tsung-Fu Tsai, Szu-Wei Lu
  • Publication number: 20230317564
    Abstract: A semiconductor package includes a first integrated circuit, a plurality of first through vias and a plurality of fin-shaped through vias. The first through vias surround the first integrated circuit. The fin-shaped through vias are physically connected to the first through vias respectively, wherein the first through vias are disposed between the first integrated circuit and the fin-shaped through vias.
    Type: Application
    Filed: April 1, 2022
    Publication date: October 5, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yi-Jung Chen, Wei-An Tsao, Tsung-Fu Tsai, Szu-Wei Lu
  • Patent number: 11777424
    Abstract: A method for determining an initial rotor position of a permanent magnet synchronous motor (PMSM) includes: generating a plurality of transient currents by applying a plurality of voltages to each phase stator winding of a three phase stator winding of the PMSM; generating three phase current differences according to the plurality of transient currents; determining a first zone in which the initial rotor position of the PMSM is located according to the three phase current differences, wherein angles between 0-360 degrees are divided into a plurality of zones, and the first zone is selected from the plurality of zones; calculating three line current differences according to the three phase current differences; and determining the initial rotor position of the PMSM according to the first zone and the three line current differences.
    Type: Grant
    Filed: October 6, 2021
    Date of Patent: October 3, 2023
    Assignee: Elite Semiconductor Microelectronics Technology Inc.
    Inventors: Shih-Chieh Wang, Yong-Yi Jhuang, Ming-Fu Tsai
  • Patent number: 11770080
    Abstract: A method for increasing a resolution by N bits performed by a processing circuit of a motor driving system, where N is a positive integer, and the method includes: performing a conversion upon an analog command, to generate a command count value; performing a first N-bit right-shifting operation upon the command count value, to generate an initial output value; performing a logical operation upon the command count value, to generate a low bit value; generating an overflow value according to the low bit value; and determining a final output value according to the initial output value and the overflow value.
    Type: Grant
    Filed: June 20, 2022
    Date of Patent: September 26, 2023
    Assignee: Elite Semiconductor Microelectronics Technology Inc.
    Inventor: Ming-Fu Tsai
  • Patent number: 11769739
    Abstract: A package structure includes a redistribution circuit structure, a wiring substrate, a semiconductor device, an insulating encapsulation, and a reinforcement structure. The redistribution circuit structure has dielectric layers. The wiring substrate is disposed on the redistribution circuit structure. The semiconductor device is disposed on the redistribution circuit structure opposite to the wiring substrate. The insulating encapsulation laterally encapsulates the wiring substrate. The reinforcement structure is partially embedded in the redistribution circuit structure and is partially embedded in the insulating encapsulation. The reinforcement structure includes reinforcement pattern layers and reinforcement vias. The reinforcement pattern layers and the dielectric layers are stacked alternately. The reinforcement vias penetrate through the dielectric layers to connect the reinforcement pattern layers. The reinforcement structure is electrically floating.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: September 26, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tsung-Fu Tsai, Shih-Ting Lin, Szu-Wei Lu, Chen-Hsuan Tsai, I-Ting Huang
  • Publication number: 20230298917
    Abstract: An inspection apparatus for inspecting a semiconductor workpiece includes a testing stage, a first seal member, a testing clamp, a second seal member, a semiconductor workpiece, and a transducer. The testing stage has a cavity. The first seal member is disposed in the cavity. The first seal member is attached to a sidewall of the cavity. The testing clamp is movably coupled to the testing stage. The second seal member is attached to the testing clamp. The semiconductor workpiece is held between the testing stage and the testing clamp by the first seal member and the second seal member. The transducer is movably disposed above the testing stage.
    Type: Application
    Filed: March 16, 2022
    Publication date: September 21, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tsung-Fu Tsai, Szu-Wei Lu
  • Publication number: 20230299576
    Abstract: A device is disclosed herein. The device includes a bias generator, an ESD driver, and a logic circuit. The bias generator includes a first transistor. The ESD driver includes a second transistor and a third transistor coupled to each other in series. The logic circuit is configured to generate a logic control signal. When the first transistor is turned on by a detection signal, the first transistor is turned off.
    Type: Application
    Filed: May 24, 2023
    Publication date: September 21, 2023
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Po-Lin PENG, Yu-Ti SU, Chia-Wei HSU, Ming-Fu TSAI, Shu-Yu SU, Li-Wei CHU, Jam-Wem LEE, Chia-Jung CHANG, Hsiang-Hui CHENG
  • Patent number: 11750123
    Abstract: A control circuit arranged to detect an initial rotor position of a brushless DC motor includes: a voltage integrator circuit, arranged to perform integration upon an input voltage, to generate a plurality of integrated voltages; a PWM generating circuit, arranged to generate and output a plurality of PWM signals to the brushless DC motor through a drive circuit, and stop outputting a PWM signal that is any of the plurality of PWM signals to the brushless DC motor according to an integrated voltage corresponding to the PWM signal; a current receiving circuit, arranged to receive a plurality of feedback currents from the brushless DC motor; a comparison circuit, arranged to perform comparison upon the plurality of feedback currents, to generate a comparison result; and a decision circuit, arranged to detect the initial rotor position according to the comparison result.
    Type: Grant
    Filed: June 16, 2022
    Date of Patent: September 5, 2023
    Assignee: Elite Semiconductor Microelectronics Technology Inc.
    Inventor: Ming-Fu Tsai
  • Patent number: 11742236
    Abstract: Methods and devices are provided herein for enhancing robustness of a bipolar electrostatic discharge (ESD) device. The robustness of a bipolar ESD device includes providing an emitter region and a collector region adjacent to the emitter region. An isolation structure is provided between the emitter region and the collector region. A ballasting characteristic at the isolation structure is modified by inserting at least one partition structure therein. Each partition structure extends substantially abreast at least one of the emitter and the collector regions.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: August 29, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
    Inventors: Alexander Kalnitsky, Jen-Chou Tseng, Chia-Wei Hsu, Ming-Fu Tsai
  • Publication number: 20230260911
    Abstract: A semiconductor device includes a semiconductor die and a conductive structure disposed side-by-side and spaced apart from each other through an insulating encapsulant. The conductive structure includes a first conductor laterally covered by the insulating encapsulant, and a second conductor disposed over and separating from the first conductor. The second conductor includes a first portion laterally covered by the insulating encapsulant and a second portion protruded from the insulating encapsulant, where a ratio of a first standoff height of the first portion and a second standoff height of the second portion ranges from about 0.4 to about 1.5.
    Type: Application
    Filed: April 25, 2023
    Publication date: August 17, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tsung-Fu Tsai, Hou-Ju Huang, Shih-Ting Lin, Szu-Wei Lu, Hung-Wei Tsai
  • Publication number: 20230262351
    Abstract: An image sensor, including a photosensitive pixel array, a storage element, and a displacement processing element, is provided. The photosensitive pixel array includes a photosensitive pixel. The storage element is configured to store a first sensing result of the photosensitive pixel at a first time point. The displacement processing element is coupled to the storage element to receive the first sensing result. The displacement processing element is configured to generate displacement information, wherein an image frame with the displacement information is transmitted to the outside of the image sensor.
    Type: Application
    Filed: February 15, 2022
    Publication date: August 17, 2023
    Applicant: Novatek Microelectronics Corp.
    Inventors: Wen-Shen Wuen, Shen-Fu Tsai, Cho-Hsuan Jhang
  • Patent number: 11710962
    Abstract: A device is disclosed herein. The device includes a bias generator, an ESD driver, and a logic circuit. The bias generator includes a first transistor. The ESD driver includes a second transistor and a third transistor coupled to each other in series. The logic circuit is configured to generate a logic control signal. A first terminal of the first transistor is configured to receive a reference voltage signal, a control terminal of the first transistor is configured to receive a detection signal in response to an ESD event being detected, a second terminal of the first transistor is coupled to a control terminal of the third transistor, and a control terminal of the second transistor is configured to receive the logic control signal.
    Type: Grant
    Filed: May 29, 2022
    Date of Patent: July 25, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Po-Lin Peng, Yu-Ti Su, Chia-Wei Hsu, Ming-Fu Tsai, Shu-Yu Su, Li-Wei Chu, Jam-Wem Lee, Chia-Jung Chang, Hsiang-Hui Cheng
  • Publication number: 20230230882
    Abstract: Embodiments provide a precutting technique to cut parallel openings at a front surface of a device wafer, then flipping the device wafer over and completing the cut from the back side of the device wafer to singulate a die from the wafer. The precutting technique and back side cutting technique combined provides an indentation in the side surface(s) of the device.
    Type: Application
    Filed: April 14, 2022
    Publication date: July 20, 2023
    Inventors: Yi-Chao Mao, Tsung-Fu Tsai, Szu-Wei Lu, Chen-Hua Yu
  • Publication number: 20230214493
    Abstract: A computer system for failing a secure boot in a case tampering event comprises a trusted platform module (TPM), for generating a plurality of random bytes for a secure boot of the computer system; a bootloader, for storing information in at least one hardware of the computer system and performing the secure boot, wherein the information comprises the plurality of random bytes, and the TPM is comprised in the bootloader; an operating system (OS), for performing the secure boot; and at least one sensor, for detecting a case tampering event in the computer system, and transmitting a signal for triggering a deletion of the plurality of random bytes, if the case tampering event happens in the computer system. The bootloader or the OS performs the operation of deleting the plurality of random bytes stored in the at least one hardware to fail the secure boot, in response to the signal.
    Type: Application
    Filed: December 30, 2021
    Publication date: July 6, 2023
    Applicant: Moxa Inc.
    Inventors: YOONG TAK TAN, Chih-Yu Chen, Che-Yu Huang, Hsin-Ju Wu, Tsung-Yuan Wu, Tzung-Fu Tsai, Kuo-Chen Wu, Jian-Yu Liao, Tsung-Li Fang
  • Publication number: 20230205549
    Abstract: A remote virtual system for remote boot up of a BMC on a node of a networked multi-node system is disclosed. A host server stores a firmware image. A network is coupled to the host server. A first node is coupled to the network. The first node includes a first controller executing the firmware image. The host server boots-up the controller and sends the firmware image to the first controller to complete a boot-up of the controller.
    Type: Application
    Filed: December 28, 2021
    Publication date: June 29, 2023
    Inventor: Chin-Fu TSAI
  • Publication number: 20230201993
    Abstract: The sum of torques: the torque of the sun gear and the torque of the internal gear, and the ratio of the torques are controlled within predetermined ranges.
    Type: Application
    Filed: February 5, 2021
    Publication date: June 29, 2023
    Applicant: SUMCO CORPORATION
    Inventors: Kazushige TAKAISHI, Chin Fu TSAI
  • Publication number: 20230190034
    Abstract: The present disclosure provides a cooking utensil, comprising a blank of the cooking utensil, and a non-stick layer coated on the surface of the blank; the non-stick layer comprises a primer layer in contact with one side of the blank, and a sheet-like graphene, a sheet-like graphene derivative or a combination thereof uniformly distributed in the primer layer. The present disclosure also provides a method for manufacturing of the cooking utensil. The present disclosure fully realizes the heat conduction between the blank and the food through the sheet-like graphene, the sheet-like graphene derivative or the combination thereof, and effectively improves the heating speed and the heating uniformity.
    Type: Application
    Filed: July 15, 2022
    Publication date: June 22, 2023
    Inventors: Mou-Fu TSAI, Pin LYU
  • Publication number: 20230185280
    Abstract: An integrated circuit (IC) configurable to perform adaptive thermal ceiling control in a per-functional-block manner, an associated main circuit, an associated electronic device and an associated thermal control method are provided. The IC may include a plurality of hardware circuits arranged to perform operations of a first functional block, and at least one thermal control circuit. At least one temperature sensor is coupled with the first functional block to detect temperature and to generate at least one temperature sensing result of the first functional block.
    Type: Application
    Filed: November 23, 2022
    Publication date: June 15, 2023
    Applicant: MEDIATEK INC.
    Inventors: Chih-Fu Tsai, Yu-Chia Chang, Bo-Jiun Yang, Yen-Hwei Hsieh, Shun-Yao Yang, Jia-Wei Fang, Ta-Chang Liao, Tai-Yu Chen