Patents by Inventor Guan Quan Wen

Guan Quan Wen 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).

  • Method and apparatus for detecting and removing defective integrated circuit packages
    Patent number: 10504801
    Abstract: A method for making integrated circuit (IC) packages includes providing a leadframe strip having a plurality of leadframe units and providing the leadframe strip to an operating station. The operating station is operable to perform one or more tests on the plurality of leadframe units in the making of IC packages. The method includes obtaining a database that has the locations of leadframe units in the leadframe strip stored in the database. The method also includes performing the one or more tests on the plurality of leadframe units and updating the database in response to the results of the testing.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: December 10, 2019
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Zheng Qing Fan, Hui Yin, Qing Bo Wu, Tian Sheng Chen, Guan Quan Wen, Ding Han
  • METHOD AND APPARATUS FOR DETECTING AND REMOVING DEFECTIVE INTEGRATED CIRCUIT PACKAGES
    Publication number: 20180114733
    Abstract: A method for making integrated circuit (IC) packages includes providing a leadframe strip having a plurality of leadframe units and providing the leadframe strip to an operating station. The operating station is operable to perform one or more tests on the plurality of leadframe units in the making of IC packages. The method includes obtaining a database that has the locations of leadframe units in the leadframe strip stored in the database. The method also includes performing the one or more tests on the plurality of leadframe units and updating the database in response to the results of the testing.
    Type: Application
    Filed: February 21, 2017
    Publication date: April 26, 2018
    Inventors: Zheng Qing Fan, Hui Yin, Qing Bo Wu, Tian Sheng Chen, Guan Quan Wen, Ding Han