Defect inspection method and apparatus for transparent...

Details Defect inspection method and apparatus for transparent... Defect inspection method and apparatus for transparent...

2007-05-23

2008-09-02

Toatley, Jr., Gregory J. (Department: 2877)

Optics: measuring and testing

Inspection of flaws or impurities

Transparent or translucent material

C356S239500

Reexamination Certificate

active

07420671

ABSTRACT:
A defect inspection method and apparatus for a transparent plate material for detecting a bubble, a scratch, a foreign matter, and another defect existing on or in the transparent plate material including regarding a defect candidate as a defect, when the defect candidate is located in both first and second images, and regarding the defect candidate as a pseudo defect, when the defect candidate is located in only one of the first and second images.

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