| 摘要 |
PROBLEM TO BE SOLVED: To firmly fix a package in the vertical direction by providing a projected part for stacking trays on the upper surface of the peripheral edge of a tray, providing a recessed part for stacking trays in the back side of the projected part, providing a recessed part for storage in the upper surface on the center side of the tray, and providing a projected part for holding on the back side of the recessed part. SOLUTION: A tray 1 for storage of an electronic part package is provided with a tray stacking part 3 on a peripheral edge part and a package storage part 5 on a center part, and the stacking part 3 is provided with a recessed part 6 for stacking trays which is projected upward on an upper surface of the tray and a recessed part 7 for stacking trays which is recessed upward on a back surface of the tray. The storage part 5 is provided with a plurality of unit package storage parts, and a recessed part 9 for package storage in the center of its surface, and a projected part 11 for holding the package which is projected downward of the tray is provided at the center of the back side. The height x1 of the projected part 11 and the depth y1 of a recessed part (i) for mounting chips are set to satisfy the inequality of x1 >y1 , and the transverse width x2 of the projected part 11 and the transverse width y2 of the recessed part (i) are set so as to satisfy the inequality of x2 <y2 . |
