Microfocus radiography is assuming an expanding and important role in industrial radiography. The reason for this is microfocus x-ray machines with focal spots as small as 1.71 #mu#m (0.0017 mm) can provide an enhanced flaw detection capability with greater reliability than is achievable with conventional radiographic aquipment. The source size contributes to the radiographic quality, influences the geometry of the inspection and sets radiographic image definition and resolution limits. Singnificantly reducing the size of the focal spot in an x-ray tube results in an enhanced flaw detection sensitivity. Microfocus radiography can meet the inspection requirements of today's quality standards for tighter material and structural integrity.
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