| 摘要 |
A front opening wafer container suitable for 450 mm wafers utilizes a wafer cushion on the front door with varying inclinations on the inside surface of a lower leg of V-shaped wafer cushion engagement portions on the door. Such provides enhanced performance. More specifically, in an embodiment of the invention, a front opening wafer container has, in cross section, horizontal V-shaped groove with the inside surface of the lower leg of the V having with at least two surface portions with different inclinations from horizontal. The surface portion adjacent the apex, where the edge of the wafer seats, having a lesser inclination from horizontal than a surface portion more distal from apex. |
