Patent ID: 8608852
Filing Date: 2013-12-17
Classification: F28D,F28F,H01J,H01L

Abstract:
1. A plasma processing chamber component, comprising: a working surface to be disposed within a plasma processing chamber; a first channel disposed in the component subjacent to the working surface, wherein the first channel is to conduct a first heat transfer fluid, and wherein a first length of the first channel subjacent to a first temperature zone of the working surface comprises a lower heat transfer coefficient than a second length of the first channel subjacent to a second temperature zone of the working surface; and a second channel disposed in the component subjacent to the first zone of the working surface, wherein the second channel is to conduct a second heat transfer fluid, and wherein the first channel is isolated from the second channel, and wherein the heat transfer coefficient along the first length is lower than along a length of the second channel.