Patents by Inventor Kao-Shan YANG

Kao-Shan YANG 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).

  • Test head connection method
    Patent number: 11908753
    Abstract: Herein disclosed is a test head connection method, the method comprises the following steps. First, a load board and a card holder are provided between a test head and a probing machine, the card holder is disposed in the probing machine, and the card holder is used to accommodate the load board. A vacuum function of the test head is activated, and the test head is moved to align the card holder. The test head is moved to touch the load board in the card holder. At least one clamping piece is used to fix the test head and the card holder. Wherein the load board and a wafer are connected by direct probing.
    Type: Grant
    Filed: November 6, 2021
    Date of Patent: February 20, 2024
    Assignee: Chroma ATE Inc.
    Inventors: Kao-Shan Yang, Ching-Li Lin
  • TEST HEAD CONNECTION METHOD
    Publication number: 20220068726
    Abstract: Herein disclosed is a test head connection method, the method comprises the following steps. First, a load board and a card holder are provided between a test head and a probing machine, the card holder is disposed in the probing machine, and the card holder is used to accommodate the load board. A vacuum function of the test head is activated, and the test head is moved to align the card holder. The test head is moved to touch the load board in the card holder. At least one clamping piece is used to fix the test head and the card holder. Wherein the load board and a wafer are connected by direct probing.
    Type: Application
    Filed: November 6, 2021
    Publication date: March 3, 2022
    Inventors: Kao-Shan YANG, Ching-Li LIN