Patents by Inventor Weiguo TONG

Weiguo TONG 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: 11910537
    Abstract: Pattern transfer printing (PTP) systems and methods are provided to improve the quality, accuracy and throughput of pattern transfer printing. PTP systems comprise a tape handling unit for handling a tape with pattern transfer sheets sections and for controllably delivering the pattern transfer sheets one-by-one for paste filling and consecutively for pattern transfer, with the tape moving from an unwinder roll to a re-winding roll. PTP systems further comprise a paste filling unit which enables continuous paste filling using a supporting counter roll opposite to the paste filling head, a wafer handling unit controllably delivering wafers for the pattern transfer in a parallelized manner that increases throughput, a paste transfer unit with enhanced accuracy and efficiency due to exact monitoring and wafer alignment, as well as a print quality control unit.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: February 20, 2024
    Assignee: Wuhan DR Laser Technology Corp,. LTD
    Inventors: Gad Igra, Eyal Cohen, Eran Yunger, Moshe Finarov, Tao Xu, Jing Shi, Weiguo Tong, Zhigang Li
  • Publication number: 20230148357
    Abstract: Pattern transfer printing (PTP) systems and methods are provided to improve the quality, accuracy and throughput of pattern transfer printing. PTP systems comprise a tape handling unit for handling a tape with pattern transfer sheets sections and for controllably delivering the pattern transfer sheets one-by-one for paste filling and consecutively for pattern transfer, with the tape moving from an unwinder roll to a re-winding roll. PTP systems further comprise a paste filling unit which enables continuous paste filling using a supporting counter roll opposite to the paste filling head, a wafer handling unit controllably delivering wafers for the pattern transfer in a parallelized manner that increases throughput, a paste transfer unit with enhanced accuracy and efficiency due to exact monitoring and wafer alignment, as well as a print quality control unit.
    Type: Application
    Filed: January 25, 2022
    Publication date: May 11, 2023
    Applicant: Wuhan Dr Laser Technology Corp., Ltd.
    Inventors: Gad IGRA, Eyal COHEN, Eran YUNGER, Moshe FINAROV, Tao XU, Jing SHI, Weiguo TONG, Zhigang LI