Patent ID: 8591709

Claim:
A shield assembly for a sputter deposition chamber, the shield assembly comprising: an outer sleeve with a gas inlet to conduct a gas through the outer sleeve; an inner sleeve disposed within the outer sleeve, the inner sleeve including gas channels on a surface mating with the outer sleeve to conduct the gas between the inner and outer sleeves; an aperture ring having a first face adjacent to a first end of both the inner and outer sleeves, the aperture ring including a plurality of gas outlets to conduct the gas from the gas channels and further including an inner aperture flange extending from the plurality of gas outlets to an inner radial distance; and a gas shield ring having a first face adjacent to a second face of the aperture ring, the gas shield ring including a gas shield flange adjacent to the inner aperture flange to form a gas runway for conducting the gas from the plurality of gas outlets toward a longitudinal axis of the shield assembly.