Method for examining the structure of through-holes of a...

Details Method for examining the structure of through-holes of a... Method for examining the structure of through-holes of a...

2006-07-11

2006-07-11

Porta, David (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

C250S340000

Reexamination Certificate

active

07075083

ABSTRACT:
Methods for examining through holes of a component according to prior art generally use hot gases for the thermographic detection of blockages. The inventive method for examining the structure of through holes of a component considerably simplifies said techniques, using a medium which has at least one absorption edge in the region of the wavelength of the camera and thus appears opaque in the camera image.

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