Patent ID: 9673075
Date: 2017-06-06
CPC Classifications: H01L

Claim:
1. A front opening container for semiconductor wafers comprising: an enclosure portion including a top wall, a bottom wall, a pair of enclosure portion side walls, a back wall, and a door frame opposite the back wall, the door frame defining a front opening, the door frame having a plurality of intersecting door frame side walls forming a plurality of door frame corners, each door frame side wall defining a ramped portion intermediate adjacent door frame corners; a door removably received in the door frame for closing the front opening, the door comprising a body portion presenting a plurality of intersecting peripheral faces; a plurality of door guides, each door guide centered on a separate one of the peripheral faces such that each door guide is engaged with a separate one of the ramped portions of the door frame when the door is received in the door frame; and wherein each door frame side wall further defines a door frame recess, wherein each door frame recess is generally v-shaped and presents an engagement surface, and wherein an edge of each door guide has an engagement surface conformingly disposed so as to confront the engagement surface of the door frame recess when the edge of the door guide is received in the door frame recess.