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Problem: Yield was decreased because alignment marks could not be detected due to dirt and defects. Also, it was necessary to use a PLC to calculate the movement amounts of the stage from the measurement results from two Cameras, and the ladder program design and adjustment processes required excessive time.

The FZM1 Solution: Alignment mark detection using the EC algorithm suppressed the effects of dirt and defects to enable stable detection. Calibration between the Cameras and stage could be achieved without complex settings or calculations, greatly reducing setup work.
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LCD Glass Plate Alignment

Applicable Products

Vision Sensor for Pick & Place
FZM1

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