SMIF container including a reticle support structure

A container for supporting a reticle having four corners, the reticle including a chamfer around upper and lower edges of the reticle, the container including a door and a shell capable of coupling with the door to define an isolated environment within the container, the container comprising:

• a reticle support mounted to said door, said reticle support including four support posts, a support post of said four support posts capable of supporting the reticle at a corner of the four corners, said support post including a pair of sloping sidewalls, said pair of sloping sidewalls capable of supporting the chamfer at a lower edge of the reticle at adjoining sides of said corner;
• and
• a reticle retainer including:
• a base affixed to the shell of the container, and
• a cantilevered section affixed to said base capable of engaging the chamfer along an upper edge of the reticle upon coupling of the shell with the door, said cantilevered section being capable of flexing to differing degrees depending on a position of the reticle on the door.