LOADED PRINTED CIRCUIT BOARD TEST FIXTURE AND METHOD FOR MANUFACTURING THE SAME

摘要

A TEST FIXTURE (10) FOR TESTING LOADED PRINTED CIRCUIT BOARDS (30) HAVING A PLURALITY OF TEST POINTS HAVING A PROBE PLATE (18) INCLUDING AN ARRAY OF WIDELY SPACED HIGH FORCE SPRING TEST PROBES (16) IN COMPLIANT CONTACT WITH SOLID TRANSLATOR PINS (46) LOCATED IN A TRANSLATOR FIXTURE (14) REMOVABLY POSITIONED OVER THE PROBE PLATE (18). THE TEST FIXTURE (10) INCLUDES OPTIMIZATION SOFTWARE WHEREIN TRANSLATION OF THE TEST SIGNALS ARE OPTIMIZED BY PROVIDING THE SHORTEST INTERCONNECT DISTANCE IN THE X-Y PLANE BETWEEN THE TEST POINTS ON THE PRINTED CIRCUIT BOARD (30) AND THE TEST PROBES (16) IN THE PROBE PLATE (18). THE FIXTURE FURTHER INCLUDES AN UNPOWERED OPENS DEVICE (90) FOR TESTING COMPONENTS ON THE LOADED PRINTED CIRCUIT BOARD.