| 主权项 |
1. A combination of an accommodation cassette and at least one frame unit seated within the accommodation cassette, the combination comprising:
the frame unit comprising a frame including a circular opening therein, an attachment tape positioned within the circular opening of the frame and a wafer attached to the attachment tape; the accommodation cassette comprising:
a right side wall;a left side wall provided parallel to the right side wall;a rear wall adapted to connect the rear edges of the right and left side walls, wherein the rear wall connects to the right and left side walls at right angles;a plurality of right accommodating grooves that are formed on the inner surface of the right side wall and extend longitudinally and parallel to each other at vertical spacings;a plurality of left accommodating grooves that are formed on the inner surface of the left side wall and extend longitudinally and parallel to each other at the vertical spacings in such a manner as to be associated with the right accommodating grooves; anda plurality of rear accommodating grooves that are formed at least in the laterally central area of the inner surface of the rear wall and extend laterally and parallel to each other at the vertical spacings in such a manner as to be associated with the right and left accommodating grooves, wherein the right accommodating grooves, the left accommodating grooves, and the rear accommodating grooves each receive the frame of the frame unit. |
