Patent ID: 7393439

Claim:
An integrated tool for wet chemical processing of microfeature workpieces, comprising: a mounting module comprising a deck having a rigid outer member with a plurality of positioning elements and a plurality of attachment elements, a rigid interior member juxtaposed to the outer member, and bracing between the outer member and the interior member, wherein the outer member, the bracing and the interior member are fixed together to be dimensionally stable; a wet chemical processing station attached to the deck, the wet chemical processing station having a first interface member engaged with at least a first one of the positioning elements and a fastener engaged with an attachment element, the wet chemical processing station further including a vessel having a process location positioned to receive a microfeature workpiece, the processing station further including a paddle chamber having an opening at the process location to receive a microfeature workpiece, the paddle chamber further having a plurality of sidewall portions extending downwardly away from the process location, and a base portion having a first surface facing toward the process location and a second surface facing opposite from the first surface, with the second surface inclined to have a higher elevation toward a perimeter of the process location than toward a center of the process location, the processing station further having a paddle device positioned in the paddle chamber, the paddle device having at least one paddle and being movable relative to the process location; and a workpiece transport system attached to the mounting module and having a second interface member engaged with at least a second one of the positioning elements, wherein the first and second positioning elements are fixed relative to each other.