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Microradiography as a Strong NDT Tool
Figure 8-10
Figure 8 - Cathode design in conventional radiography and microradiography: (a) the tube gun for a conventional ceramic X-ray unit with dual cathodes; (b) a plug-in cathode for a microfocus tube; (c) a typical hairpin filament arrangement for a microfocus tube.
Figure 9 - Safety switch: (a) microradiograph showing traces of sparks and depositions on the contacts; (b) actual size.
Figure 10 - Phase contrast image of a honeycomb structure showing the outline of an area not having enough glue between its layers. Image was taken with a 5 µm (2 x 10-4 in.) microfocal system on high resolution film with optimized object to film distance.
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