×

Locating defects in solid material

  • US 5,981,949 A
  • Filed: 11/03/1997
  • Issued: 11/09/1999
  • Est. Priority Date: 01/18/1996
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method for locating defects and non-uniformities in a solid material that is otherwise substantially transparent to infrared (IR) light comprising,a) placing an IR focal plane array camera before a source of IR radiation and spaced therefrom,b) placing said material between said camera and said source,c) activating said source to emit an IR beam that is transmitted through said material to said camera, said camera obtaining an image of said material and said defects without scanning,d) processing said image ande) outputting said image in a desired form.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×