Patents by Inventor Ann Chu

Ann Chu 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: 20220362819
    Abstract: A cleaning apparatus, method, and dry chamber are provided for cleaning a wafer carrier that holds wafers as part of a semiconductor fabrication process. The cleaning apparatus includes a wet chamber that receives the wafer carrier to be washed and a reservoir in fluid communication with the wet chamber. The reservoir stores a cleaning liquid that is introduced to the wafer carrier within the wet chamber during a washing operation, and a dry chamber is spaced apart from the wet chamber. The dry chamber receives the wafer carrier after the wafer carrier is washed in the wet chamber and holds the wafer carrier during a drying operation. A transport system transports the wafer carrier between the wet chamber and the dry chamber during a cleaning process.
    Type: Application
    Filed: July 27, 2022
    Publication date: November 17, 2022
    Inventors: Eason Chen, Yi-Fam Shiu, Sung-Chun Yang, Hsu-Shui Liu, Yang-Ann Chu, Jiun-Rong Pai
  • Publication number: 20220368151
    Abstract: An under-floor charging station can be mounted under a floor such that a top plate of the under-floor charging station is substantially flush with a top surface of the floor without touching the ground. Openings in the top plate allow charging elements to extend when in use to charge a mobile robot, and to retract under the floor when not in use. The retractable charging elements prevent tripping hazards and allow the mobile robot to move freely throughout a clean room. Moreover, because the charging elements can be retracted in an unobtrusive position when the under-floor charging station is not in use, the under-floor charging station is permitted to be positioned in locations in the clean room that allow the mobile robot to continue working while charging and/or allow non-stop running of the mobile robot.
    Type: Application
    Filed: July 28, 2022
    Publication date: November 17, 2022
    Inventors: Cheng-Lung WU, Sing-Tsung LI, Ren-Hau WU, Yang-Ann CHU, Jiun-Rong PAI, Feng-Kuang WU
  • Publication number: 20220359248
    Abstract: In certain embodiments, a workstation includes: a cleaning station configured to clean a die vessel, wherein the die vessel is configured to secure a semiconductor die; an inspection station configured to inspect the die vessel after cleaning to determine whether the die vessel is identified as passing inspection; and a conveyor configured to move the die vessel between the cleaning station and the inspection station.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 10, 2022
    Inventors: Tsung-Sheng KUO, Guan-Wei HUANG, Chih-Hung HUANG, Yang-Ann CHU, Hsu-Shui LIU, Jiun-Rong PAI
  • Patent number: 11487210
    Abstract: A method includes: providing a workpiece to a semiconductor apparatus, the workpiece comprising a material layer, wherein the material layer includes a plurality of areas extending along a first axis; scanning the workpiece in a first direction along the first axis to generate first topography measurement data; scanning the workpiece in a second direction along the first axis to generate second topography measurement data; and performing an exposure operation on the material layer according to the first topography measurement data and the second topography measurement data.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: November 1, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Yung-Yao Lee, Yeh-Chin Wang, Yang-Ann Chu, Yung-Hsiang Chen, Yung-Cheng Chen
  • Patent number: 11488848
    Abstract: In certain embodiments, a workstation includes: a cleaning station configured to clean a die vessel, wherein the die vessel is configured to secure a semiconductor die; an inspection station configured to inspect the die vessel after cleaning to determine whether the die vessel is identified as passing inspection; and a conveyor configured to move the die vessel between the cleaning station and the inspection station.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: November 1, 2022
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Tsung-Sheng Kuo, Guan-Wei Huang, Chih-Hung Huang, Yang-Ann Chu, Hsu-Shui Liu, Jiun-Rong Pai
  • Publication number: 20220319890
    Abstract: Apparatus and methods for handling die carriers are disclosed. In one example, a disclosed apparatus includes: a load port configured to load a die carrier operable to hold a plurality of dies into a processing tool; and a lane changer coupled to the load port and configured to move at least one die in the die carrier to an input of the processing tool and transfer the at least one die into the processing tool for processing the at least one die.
    Type: Application
    Filed: June 24, 2022
    Publication date: October 6, 2022
    Inventors: Tsung-Sheng KUO, Kai-Chieh HUANG, Wei-Ting HSIAO, Yang-Ann CHU, I-Lun YANG, Hsuan LEE
  • Publication number: 20220310429
    Abstract: A method includes initiating a gas flow of a first gas parallel to a wall of an interface module to create an air curtain across an opening defined in the wall. The method includes moving an interface door to reveal the opening, wherein the air curtain restrains a second gas within the interface module from passing through the opening. The method includes transferring a semiconductor wafer through the opening and moving the interface door to cover the opening. The method includes halting the gas flow of the first gas after moving the interface door to cover the opening.
    Type: Application
    Filed: August 16, 2021
    Publication date: September 29, 2022
    Inventors: Yi-Fam SHIU, Cheng-Lung WU, Yang-Ann CHU, Hsu-Shui LIU, Jiun-Rong PAI
  • Publication number: 20220301909
    Abstract: An airflow detection device is capable of detecting airflow issues associated with a transport carrier, such as a blockage of a diffuser in a transport carrier or leakage of a transition bracket, among other examples. The airflow detection device includes an air tunnel through which a gas in a transport carrier may flow. The airflow detection device includes an airflow sensor configured to generate airflow data based on a flow of the gas through the air tunnel. In some implementations, the airflow detection device is included in an airflow detection system to perform automated measurements and to determine, identify, and/or detect airflow issues associated with a transport carrier. In this way, the airflow detection system may perform one or more automated actions (or may cause one or more other devices to perform one or more automated actions) based on a detection of a diffuser blockage or a transition bracket leak.
    Type: Application
    Filed: June 17, 2021
    Publication date: September 22, 2022
    Inventors: Yu-Chen CHEN, Cheng-Lung WU, Yang-Ann CHU, Jiun-Rong PAI, Ren-Hau WU
  • Publication number: 20220293440
    Abstract: A load port is capable of monitoring various environmental parameters associated with a transport carrier to minimize and/or prevent exposure of the semiconductor substrates therein to increased humidity, increased oxygen, increased vibration, and/or one or more other elevated environmental conditions that might otherwise contaminate the semiconductor substrates, damage the semiconductor substrates, and/or cause processing defects. For example, the load port may monitor the environmental parameters as indicators of a potential blockage of a diffuser of the transport carrier, and a relief valve may be used to divert a gas away from the transport carrier based on a determination that a diffuser blockage has occurred. In this way, the gas may be diverted through the relief valve and away from the transport carrier to prevent increased humidity, contaminants, and/or vibration from contaminating and/or damaging the semiconductor substrates.
    Type: Application
    Filed: June 28, 2021
    Publication date: September 15, 2022
    Inventors: Yi-Fam SHIU, Ting-Yau SHIU, Cheng-Lung WU, Yang-Ann CHU, Jiun-Rong PAI
  • Publication number: 20220293447
    Abstract: A system comprises a front opening universal pod (FOUP) configured to hold one or more semiconductor wafers and a load dock having a stage and a receiving portion extending above the stage. The FOUP is positioned on the stage. A fan filter unit (FFU) positioned above the load dock. An air flow optimizer device is disposed on the receiving portion and under the FFU. The air flow optimizer device has an inlet opening and an outlet opening and a channel extends between the inlet opening and the outlet opening.
    Type: Application
    Filed: September 2, 2021
    Publication date: September 15, 2022
    Inventors: Yi-Fam SHIU, Cheng-Lung WU, Yang-Ann CHU, Hsu-Shui LIU, Jiun-Rong PAI
  • Publication number: 20220285202
    Abstract: A wafer lift pin system is capable of dynamically modulating or adjusting the flow of gas into and out of lift pins of the wafer lift pin system to achieve and maintain a consistent pressure in supply lines that supply the gas to the lift pins. This enables the wafer lift pin system to precisely control the speed, acceleration, and deceleration of the lift pins to achieve consistent and repeatable lift pin rise times and fall times. A controller and various sensors and valves may control the gas pressures in the wafer lift pin system based on various factors, such as historic rise times, historic fall times, and/or the condition of the lift pins. This enables smoother and more controlled automatic operation of the lift pins, which reduces and/or minimizes wafer shifting and wafer instability, which may reduce processing defects and maintain or improve processing yields.
    Type: Application
    Filed: March 5, 2021
    Publication date: September 8, 2022
    Inventors: Yu-Chen CHEN, Yi-Fam SHIU, Cheng-Lung WU, Yang-Ann CHU, Jiun-Rong PAI
  • Patent number: 11437843
    Abstract: An under-floor charging station can be mounted under a floor such that a top plate of the under-floor charging station is substantially flush with a top surface of the floor without touching the ground. Openings in the top plate allow charging elements to extend when in use to charge a mobile robot, and to retract under the floor when not in use. The retractable charging elements prevent tripping hazards and allow the mobile robot to move freely throughout a clean room. Moreover, because the charging elements can be retracted in an unobtrusive position when the under-floor charging station is not in use, the under-floor charging station is permitted to be positioned in locations in the clean room that allow the mobile robot to continue working while charging and/or allow non-stop running of the mobile robot.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: September 6, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Cheng-Lung Wu, Sing-Tsung Li, Ren-Hau Wu, Yang-Ann Chu, Jiun-Rong Pai, Feng-Kuang Wu
  • Publication number: 20220262656
    Abstract: In an embodiment, a system includes: a warehousing apparatus configured to interface with a semiconductor die processing tool configured to process a semiconductor die singulated from a wafer, wherein the semiconductor die processing tool comprise an in-port and an out-port, wherein the warehousing apparatus is configured to: move a first die vessel that contains the semiconductor die to the in-port from a first die vessel container, wherein the first die vessel container is configured to house the first die vessel; move the first die vessel from the in-port to a buffer region; and move a second die vessel from the buffer region to the out-port.
    Type: Application
    Filed: May 5, 2022
    Publication date: August 18, 2022
    Inventors: Tsung-Sheng KUO, Chih-Hung HUANG, Hsueh-Lei WANG, Yang-Ann CHU, Hsuan LEE, Jiun-Rong PAI
  • Patent number: 11398396
    Abstract: Apparatus and methods for handling die carriers are disclosed. In one example, a disclosed apparatus includes: a load port configured to load a die carrier operable to hold a plurality of dies into a processing tool; and a lane changer coupled to the load port and configured to move at least one die in the die carrier to an input of the processing tool and transfer the at least one die into the processing tool for processing the at least one die.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: July 26, 2022
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Tsung-Sheng Kuo, Kai-Chieh Huang, Wei-Ting Hsiao, Yang-Ann Chu, I-Lun Yang, Hsuan Lee
  • Publication number: 20220223449
    Abstract: A transport carrier docking device may be capable of forming an air-tight seal around a transport carrier while a front portion of the transport carrier is inserted into a chamber of the transport carrier docking device. Semiconductor wafers in the transport carrier may be accessed by a transport tool while the air-tight seal exists around the transport carrier, which prevents and/or reduces the likelihood that contaminants in a semiconductor fabrication facility will reach the semiconductor wafers. The air-tight seal around the transport carrier may reduce defects of the semiconductor wafers that might otherwise be caused by the contaminants, may increase manufacturing yield and quality in the semiconductor fabrication facility, and/or may permit the continued reduction in device and/or feature sizes of integrated circuits and/or semiconductor devices that are to be formed on semiconductor wafers.
    Type: Application
    Filed: March 31, 2022
    Publication date: July 14, 2022
    Inventors: Chih-Hung HUANG, Cheng-Lung WU, Yang-Ann CHU, Hsuan LEE, Jiun-Rong PAI
  • Publication number: 20220223448
    Abstract: A multiple transport carrier docking device may be capable of storing and/or staging a plurality of transport carriers in a chamber of the multiple transport carrier docking device, and may be capable of forming an air-tight seal around a transport carrier in the chamber. Semiconductor wafers in the transport carrier may be accessed by a wafer transport tool while the air-tight seal around the transport carrier prevents and/or reduces the likelihood that contaminants in the semiconductor fabrication facility will reach the semiconductor wafers. The air-tight seal around the transport carrier may reduce defects of the semiconductor wafers that might otherwise be caused by the contaminants, may increase manufacturing yield and quality in the semiconductor fabrication facility, and/or may permit the continued reduction in device and/or feature sizes of integrated circuits and/or semiconductor devices that are to be formed on semiconductor wafers.
    Type: Application
    Filed: April 4, 2022
    Publication date: July 14, 2022
    Inventors: Chih-Hung HUANG, Cheng-Lung WU, Yang-Ann CHU, Hsuan LEE, Jiun-Rong PAI
  • Publication number: 20220208570
    Abstract: A multiple die container load port may include a housing with an opening, and an elevator to accommodate a plurality of different sized die containers. The multiple die container load port may include a stage supported by the housing and moveable within the opening of the housing by the elevator. The stage may include one or more positioning mechanisms to facilitate positioning of the plurality of different sized die containers on the stage, and may include different portions movable by the elevator to accommodate the plurality of different sized die containers. The multiple die container load port may include a position sensor to identify one of the plurality of different sized die containers positioned on the stage.
    Type: Application
    Filed: January 7, 2022
    Publication date: June 30, 2022
    Inventors: Chih-Hung HUANG, Cheng-Lung WU, Yi-Fam SHIU, Yu-Chen CHEN, Yang-Ann CHU, Jiun-Rong PAI
  • Publication number: 20220189792
    Abstract: An apparatus for handling wafer carriers in a semiconductor fabrication facility (FAB) is disclosed. In one example, the apparatus includes: a table configured to receive a wafer carrier having a first door and operable to hold a plurality of wafers; an opening mechanism configured to open the first door of the wafer carrier; and a door storage space configured to store the first door. The apparatus may be either located on a floor of the FAB or physically coupled to a ceiling of the FAB.
    Type: Application
    Filed: March 3, 2022
    Publication date: June 16, 2022
    Inventors: Tsung-Sheng KUO, Yang-Ann CHU, Alan YANG, Vic HUANG, Hsu-Shui LIU, Jiun-Rong PAI
  • Publication number: 20220185512
    Abstract: In certain embodiments, a system includes: an inspection station configured to receive a die vessel, wherein the inspection station is configured to inspect the die vessel for defects; a desiccant station configured to receive the die vessel from the inspection station, wherein the desiccant station is configured to add a desiccant to the die vessel; a bundle station configured to receive the die vessel from the desiccant station, wherein the bundle station is configured to combine the die vessel with another die vessel as a die bundle; and a bagging station configured to receive the die bundle from the bundle station, wherein the bagging station is configured to dispose the die bundle in a die bag and to heat seal the die bag with the die bundle inside.
    Type: Application
    Filed: March 3, 2022
    Publication date: June 16, 2022
    Inventors: Tsung-Sheng KUO, Hsu-Shui LIU, Jiun-Rong PAI, Yang-Ann CHU, Chieh-Chun LIN, Shine CHEN
  • Patent number: 11348816
    Abstract: In an embodiment, a system includes: a warehousing apparatus configured to interface with a semiconductor die processing tool configured to process a semiconductor die singulated from a wafer, wherein the semiconductor die processing tool comprise an in-port and an out-port, wherein the warehousing apparatus is configured to: move a first die vessel that contains the semiconductor die to the in-port from a first die vessel container, wherein the first die vessel container is configured to house the first die vessel; move the first die vessel from the in-port to a buffer region; and move a second die vessel from the buffer region to the out-port.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: May 31, 2022
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Tsung-Sheng Kuo, Chih-Hung Huang, Hsueh-Lei Wang, Yang-Ann Chu, Hsuan Lee, Jiun-Rong Pai