| 摘要 |
PROBLEM TO BE SOLVED: To provide the pitch adjusting method of a buffer tray for increasing the conveyance speed of a semiconductor device by a test handler for the test of a semiconductor device. SOLUTION: The pitch adjusting method of a buffer tray including a plurality of pairs of unit buffer trays for storing a semiconductor device includes: adjusting a first pitch between the pairs of unit buffer trays by a first driving part 110; and adjusting a second pitch between first unit buffer trays and second unit buffer trays in the pairs of unit buffer trays by a second driving part 140. This semiconductor device is conveyed through the buffer tray whose pitch has been adjusted between a test tray and a customer tray of a test handler. COPYRIGHT: (C)2009,JPO&INPIT
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