Patents by Inventor Lun-Shu Ray Yeh

Lun-Shu Ray Yeh 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).

  • X-ray detector shape
    Patent number: 6437337
    Abstract: A solid state x-ray detector crystal has a body having a front face for receiving incident x-rays. The front face is oblong. A housing about the detector crystal is also oblong. The resulting detector unit fits farther into the gap between the pole pieces of an electron microscope.
    Type: Grant
    Filed: July 31, 1997
    Date of Patent: August 20, 2002
    Assignee: Edax, Inc.
    Inventors: Lun-Shu Ray Yeh, Joseph Anthony Nicolosi, Alan Devenish
  • Cold finger design in an energy dispersive x-ray analyzer
    Patent number: 5821176
    Abstract: A cold finger for an energy dispersive x-ray analyzer is surrounded by an insulating material which includes two layers of aluminum coated polyester and a layer of plastic netting sandwiched between the two layers of aluminum coated polyester. The material is flexible and hugs the cold finger and reduces thermal loss.
    Type: Grant
    Filed: August 31, 1995
    Date of Patent: October 13, 1998
    Assignee: Philips Electronics North America Corporation
    Inventor: Lun-Shu Ray Yeh