Flying probe testers use motorized test probes to roam around the surface of an assembled PCB, poking test access points (TAP) to complete circuits. This form of electrical test
is more flexible than the typical bed of nails method, which has prompted many low-volume/high-mix (LVHM) assemblers to consider a flying probe machine investment. Electrical test experts can hit roadblocks when comparing mechanical specs on flying probers, says Greg Leblonc, P.Eng., product manager at Accculogic. He described the impact of motor mechanisms, probe layout, and probe angle on test accuracy and repeatability at a recent Acculogic seminar.