Patent ID: 8528737
Filing Date: 2013-09-10
Classification: H01L

Abstract:
1. A wafer container comprising: a top housing and a bottom housing; the top housing having a base with at least one rib that extends perpendicular from the base of the top housing in an essentially circular orientation; the bottom housing having a base with a plurality of inner and outer arc sector ribs that extend perpendicular from the base of the bottom housing, wherein the inner and outer arc sectors ribs are arranged concentric with the at least one rib that extends perpendicular from the base of the top housing, and the inner and outer arc sector ribs are formed such that the arc sector of at least one inner rib overlaps the arc sector of at least one outer rib; the bottom housing having at least one latch that extends essentially perpendicular from the base of the bottom housing, wherein the distance between the base of the bottom housing to the top surface of the latch is less than the distance between the base of the bottom housing and the top of the at least one rib on the bottom housing; the top housing having at least one latch well, the latch well having a bottom surface, wherein the bottom surface is located below the surface of the base of the top housing, and wherein when the top housing is joined with the bottom housing, the top surface of the latch is lower than the rim around the well, and wherein the latch well comprises a notch configured to receive the at least one latch on the bottom housing.