Inline Versus Offline Inspection
There are various criteria converters must consider when selecting a web inspection system, beginning with which type to specify— inline, offline, or both.
On press, 100 percent line scan systems have advantages over area scan systems. They inspect all the material, are very effective for random defects, most, but not, all are effective at identifying repeating defects, and most, but not all, are effective for identifying gradually developing defects. Area scan systems have two shortcomings though: they do not find random defects, and they do not inspect 100 percent of the material.
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