Patent ID: 6440879
Filing Date: 2002-08-27
Classification: H01J,H01L

Abstract:
A method of using a physical vapor deposition (PVD) apparatus for tabbed block-out scheme, the PVD device comprising a chamber; an upper shield and a lower shield mounted within the chamber; a cover ring having one or more tabs extending radially inwardly therefrom; a wafer pedestal mounted within the chamber beneath the lower shield; means for positioning a shutter disk to place the shutter disk on the wafer pedestal; and means for vertically adjusting the height of wafer pedestal, the method comprising:forming notched areas in the periphery of the shutter disk complementary to the one or more tabs of the cover ring to keep a distance between the tab and the shutter disk; placing the shutter disk on a wafer pedestal; moving the shutter disk into a pasting position on the wafer pedestal, the notched areas of the shutter disk corresponding with the tab for alignment therebetween such that pasting can be performed in the chamber; and performing a pasting process with the shutter disk on the pasting position.