Patents by Inventor Robert Doot

Robert Doot 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).

  • Semiconductor device exhibiting enhanced pattern recognition when illuminated in a machine vision system
    Patent number: 6650022
    Abstract: A bumped semiconductor device (10) exhibiting enhanced pattern recognition when illuminated in a machine vision system. The semiconductor device has a substantially coplanar array of solder bumps (16) and a coating of underfill material (17) on one face. A fluxing composition (18) containing an image enhancing agent is selectively deposited over at least two of the solder bumps in the array to modify the optical characteristics of the solder bumps to cause the solder bumps to appear bright against the background of the underfill material when the semiconductor device is illuminated (19) by selected wavelengths of light.
    Type: Grant
    Filed: September 11, 2002
    Date of Patent: November 18, 2003
    Assignee: Motorola, Inc.
    Inventors: Jing Qi, Janice Danvir, Zhaojin Han, Prasanna Kulkarni, Nadia Yala, Robert Doot