Patent ID: 9449859
Filing Date: 2016-09-20
CPC Classification: B05B,C23C,C30B,H01L

Claim Text:
1. An apparatus, comprising: a lower bottom plate; an upper bottom plate positioned above the lower bottom plate, the upper bottom plate and the lower bottom plate defining a first plenum; a plurality of first gas conduits in fluid communication with the first plenum and a processing region of a process chamber; a mid-plate positioned above the upper bottom plate, the mid-plate and the upper bottom plate defining a heat exchanging channel for containing a heat exchanging fluid; a top plate positioned above the mid-plate, the top plate and the mid-plate defining a second plenum; and a plurality of second gas conduits in fluid communication with the second plenum and the processing region, the plurality of second gas conduits extending through the first plenum and the heat exchanging channel, and each of the first gas conduits enclosing one of the second gas conduits.