Patents by Inventor Yasumitsu Murase

Yasumitsu Murase 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).

  • Checker head
    Patent number: 6563332
    Abstract: The present invention is a checker head for inspecting an object having even a small test pad pitch, without using a wired socket. The checker head includes a pin to be brought into contact with a test pad of the object, a conductor connected to a circuit tester, and a spring in contact with the pin and conductor and disposed linearly between the pin and conductor. Another mode of checker head has a structure in which a pin to be brought into contact with a test pad of an object and a conductor in contact with the pin and connected to a circuit tester are arranged in line and inserted through laminated body including an elastic layer, and the position of the pin and conductor are restricted by the elastic layer.
    Type: Grant
    Filed: May 9, 2000
    Date of Patent: May 13, 2003
    Assignee: Ibiden Co., Ltd.
    Inventors: Yoshihiro Goto, Shinji Ohno, Yasumitsu Murase
  • CHECKER HEAD
    Publication number: 20020113611
    Abstract: The present invention is a checker head for inspecting an object having even a small test pad pitch, without using a wired socket. The checker head includes a pin to be brought into contact with a test pad of the object, a conductor connected to a circuit tester, and a spring in contact with the pin and conductor and disposed linearly between the pin and conductor. Another mode of checker head has a structure in which a pin to be brought into contact with a test pad of an object and a conductor in contact with the pin and connected to a circuit tester are arranged in line and inserted through laminated body including an elastic layer, and the position of the pin and conductor are restricted by the elastic layer.
    Type: Application
    Filed: May 9, 2000
    Publication date: August 22, 2002
    Inventors: YOSHIHIRO GOTO, SHINJI OHNO, YASUMITSU MURASE