How to fix 3D height measurement error on a Koh Young Zenith Alpha / Aurora
3D height errors are usually caused by a dirty projection lens, a fringe pattern calibration drift, or board warpage exceeding the measurement range. Run the system calibration and check the calibration target.
~30 min7 steps
How to fix board alignment failure on a Koh Young Zenith Alpha / Aurora AOI
Board alignment failures are typically a dirty fiducial, a worn conveyor stopper, or an incorrect fiducial reference in the job file. Clean the fiducials and verify the job file first.
~30 min7 steps
How to reduce false call rate on a Koh Young Zenith Alpha / Aurora AOI system
Rising false calls are usually a library threshold that needs re-tuning, an illumination change, or a conveyor vibration issue. Audit the top false-call component families first.
~60 min7 steps