Patents Assigned to Wieslaw Bicz
  • Process and device for determining of surface structures
    Patent number: 5258922
    Abstract: A method and device for determining surface structure and subsurface structures wherein the article to be examined is placed upon a support surface and through a liquid or solid medium ultrasonic waves are directed at the surface and backscattered waves are received and processed. The frequency of the ultrasonic waves is selected to provide information of the subsurface structure to a depth of substantially one wavelength.
    Type: Grant
    Filed: July 30, 1992
    Date of Patent: November 2, 1993
    Assignee: Wieslaw Bicz
    Inventor: Wolfgang Grill