Patents by Inventor Sai Kit Jonathan Wong

Sai Kit Jonathan Wong 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).

  • Spring contact probe device for electrical testing
    Patent number: 6967492
    Abstract: The invention provides a unitary spring contact probe comprising a resilient spring section, a plunger section extending from a distal end of the resilient spring section for contacting a semiconductor device under test and a stopper projecting from the plunger section substantially transversely to an axial direction of the plunger section. There is also provided an apparatus for testing a semiconductor comprising a plurality of said unitary spring contact probes, one or more insulative guiding holders for mounting the spring contact probes, and a retainer mechanism coupled to the stoppers of the spring contact probes for securing the spring contact probes to the insulative guiding holders.
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: November 22, 2005
    Assignee: ASM Assembly Automation Ltd.
    Inventors: Ching Man Stanley Tsui, Chak Tong Albert Sze, Shu Kei Dennis Chan, Sai Kit Jonathan Wong
  • SPRING CONTACT PROBE DEVICE FOR ELECTRICAL TESTING
    Publication number: 20050110505
    Abstract: The invention provides a unitary spring contact probe comprising a resilient spring section, a plunger section extending from a distal end of the resilient spring section for contacting a semiconductor device under test and a stopper projecting from the plunger section substantially transversely to an axial direction of the plunger section. There is also provided an apparatus for testing a semiconductor comprising a plurality of said unitary spring contact probes, one or more insulative guiding holders for mounting the spring contact probes, and a retainer mechanism coupled to the stoppers of the spring contact probes for securing the spring contact probes to the insulative guiding holders.
    Type: Application
    Filed: November 26, 2003
    Publication date: May 26, 2005
    Inventors: Ching Stanley Tsui, Chak Tong Sze, Shu Chan, Sai Kit Jonathan Wong