Backlightning Inspection

In the following example, foreign objects such as chips in ring grooves are detected via the backlightning inspection. At the backlighting inspection.

In the backlightning inspection foreign objects, such as chips, are detected in ring grooves in this example. In addition, it is inspected if ring grooves are correctly stung. Trapezoid ring grooves can be inspected as well.

In this example picture a chip inspected in the second ring groove!

Reference: See as well backlightning inspection telecentric.