SEMICONDUCTOR CHIP TESTING APPARATUS AND OPERATING PROCEDURE FOR SEMICONDUCTOR CHIP TESTING APPARATUS

PROBLEM TO BE SOLVED: To provide a highly productive semiconductor chip testing apparatus capable of accurately and automatically accomplishing contact alignment of a semiconductor chip and a probe.SOLUTION: A semiconductor chip testing apparatus comprises a probe unit 1 having six drive shafts, a p...

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Hauptverfasser: SHIRAFUJI YASUNARI, TAKAYAMA KAZUYOSHI, HISAOKA YASUSHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a highly productive semiconductor chip testing apparatus capable of accurately and automatically accomplishing contact alignment of a semiconductor chip and a probe.SOLUTION: A semiconductor chip testing apparatus comprises a probe unit 1 having six drive shafts, a probe 15 fitted to the tip of the probe unit 1, a chip fixing base 2 that attracts and fixes a semiconductor chip 17 whose electric characteristics are to be tested, a table 25 that feeds the probe 15 fitted with the chip fixing base 2 to a prescribed measuring position, a chip sensor 3 that detects the position of the semiconductor chip 17, a probe sensor 4 that detects the position of the probe 15, a measuring instrument 5 that measures the angle of inclination of the probe 15 relative to the chip fixing base 2 and the height of the chip fixing base 2, and a control device that controls the six drive shafts of the probe unit 1.