| 摘要 |
AUTOMATIC TEST EQUIPMENT ADAPTED FOR TESTING A PLURALITY OF DEVICES-UNDER-TEST (DUTS) IS DISCLOSED. THE AUTOMATIC TEST EQUIPMENT INCLUDES A MAINFRAME COMPUTER AND A TEST HEAD COUPLED TO THE MAINFRAME COMPUTER. THE TEST HEAD INCLUDES A LOW-PROFILE TESTER INTERFACE (30) HAVING A FIRST INTERFACE BOARD (32) AND A DEVICE BOARD (50). THE DEVICE BOARD (50) ENGAGES CONTACT POINTS ON THE DUTS AND INCLUDES A TOPSIDE. A HARD STOP (70) IS MOUNTED TO THE FIRST INTERFACE BOARD (50) AND DEFINES A REFERENCE PLANE (71). THE HARD STOP (70) IS ADAPTED TO ENGAGE THE DEVICE BOARD (50) TOPSIDE TO VERTICALLY FIX THE DEVICE BOARD (50), POSITIONALLY WITH RESPECT TO THE FIRST INTERFACE BOARD (32). THE AUTOMATIC TEST EQUIPMENT FURTHER INCLUDES A COMPLIANT INTERCONNECT ARRAY (60) ADAPTED FOR COMPRESSION BETWEEN THE FIRST INTERFACE BOARD (30) AND THE DEVICE BOARD (50). (FIGURE 3)
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