Patent ID: 7201276

Claim:
A substrate container, comprising a container portion with an open front and a door for sealingly closing the open front, a bottom plate connecting to the container portion through a plurality of adjustable spacers; the container portion comprising: a pair of opposite side walls, a bottom wall, a top wall, and a back wall connecting and defining an open interior; a plurality of substrate supports at the pair of side walls and extending into the open interior for supporting the substrates horizontal spaced array, the bottom wall having a plurality of bottom surface apertures; the bottom plate having a plurality of plate apertures, each of said plate apertures aligning with one of said plurality of bottom surface apertures, and a plurality of radially disposed kinematic coupling grooves; the plurality of adjustable spacers for adjusting the positioning of said container portion and said plate, each of said adjustable spacers comprising: a first member affixed to one of said bottom surface apertures, and a second member affixed to one of said plate apertures and threadably connected to said first member, wherein at least one of the first member and the second member is rotatable so that rotation of one of the first and second members with respect to the other of the first and second members exclusively provides an adjustable spacing between the bottom plate and the container portion.