Patent ID: 8915389

Claim:
A vacuum chamber body comprising a plurality of pieces sealingly coupled together to collectively form the vacuum chamber body having an inside surface with four corners, the vacuum chamber body comprising: a first piece comprising: a first portion having a first length greater than a first width and a first opening extending therethrough; a first flange extending a first distance from the first portion in a direction substantially perpendicular to the first width, the first flange extending from a first corner of the four corners; and a second flange extending a second distance from the first portion in a direction substantially perpendicular to the first width, the second flange extending from a second corner of the four corners; a second piece coupled to the first flange and extending in a direction substantially perpendicular to the first width; a third piece coupled to the second flange and extending in a direction substantially perpendicular to the first width and parallel to the second piece; a fourth piece coupled to the second piece and the third piece, the fourth piece comprising: a second portion a second length greater than a second width and a second opening extending therethrough; a third flange extending a third distance from the second potion in a direction substantially perpendicular to the second width; and a fourth flange extending a fourth distance from the second portion in a direction substantially perpendicular to the second width; and wherein the vacuum chamber body is configured to transfer substrates within the vacuum chamber body while under vacuum.