Invention Application
US20140209596A1 ELECTROSTATIC CHUCK WITH CONCENTRIC COOLING BASE 有权
具有集中冷却基座的静电卡盘

ELECTROSTATIC CHUCK WITH CONCENTRIC COOLING BASE
Abstract:
Embodiments of the present disclosure generally provide apparatus and method for cooling a substrate support in a uniform manner. One embodiment of the present disclosure provides a cooling assembly for a substrate support. The cooling assembly includes a cooling base having a first side for contacting the substrate support and providing cooling to the substrate support, a diffuser disposed on a second side of the cooling base, wherein the diffuser defines a plurality of cooling paths for delivering a cooling fluid towards the cooling base in a parallel manner, and an inlet/outlet plate disposed under the diffuser, wherein the inlet/outlet plate is provides an interface between the diffuser and an inlet and outlet of a cooling fluid.
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