Patent ID: 7900776
Filing Date: 2011-03-08
Classification: B65D,H01L

Abstract:
1. A combination of a wafer and a wafer container for receiving and holding the wafer horizontally, the wafer container comprising: an enclosure portion having a top, a bottom, a pair of opposing sides, a back and an opposing open front defined by a door frame; a door sealingly engageable with the door frame to close the open front thereby forming a sealed enclosure; a wafer restraint system in the enclosure portion comprising at least one wafer restraint portion attached to and positioned in the back of the enclosure portion and a pair of opposing operable wafer supports, attached to the enclosure portion, each operable wafer support having a wafer engaging portion comprising a wafer shelf, each wafer shelf corresponding to and positioned adjacent a respective one of the opposing sides, each wafer engaging portion and each corresponding wafer shelf being selectively shiftable between a first position and a second position, wherein at the first position each wafer shelf is closer to its respective opposing side than at the second position, and wherein when the wafer is seated on the wafer shelves, support of the wafer underneath the wafer at the sides of the wafer is provided exclusively by the wafer shelves at the first position and at the second position.