Patent ID: 7097744
Filing Date: 2006-08-29
Classification: H01J

Abstract:
1. A semiconductor fabrication chamber, comprising: a chamber body; a target device having a target which has a sputterable target surface, said target device further having at least one target alignment surface and a target support supporting said target and target alignment surface, said target device being movable between a first target position and a second target position with respect to said chamber body; and a darkspace shield positioned in said chamber body and movable between a first shield position and a second shield position with respect to said target, said darkspace shield having at least one darkspace shield alignment surface adapted to be engaged by said target alignment surface wherein said target alignment surface engages said darkspace shield alignment surface and moves said darkspace shield from said first shield position to said second shield position with respect to said target as said target moves from said first target position to said second target position with respect to said chamber body.