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Integrated Circuit Print Detection with a D12

To detect print on an integrated circuit over a large area

A D12 Expert uses a rectangular fiber optic cable to check for the presence of print on a large integrated circuit.

Thirty-two strands of plastic fibers, each 0.25 mm in diameter are evenly spaced over a 10.85 mm area. The strands alternate between emitters and receivers. The D12 Expert is programmed to respond to the darkest light signal—the smallest amount of print showing.