Patent ID: 9394615
Filing Date: 2016-07-19
CPC Classification: B05D,B23K,B32B,C04B,C22C,C23F,H01J,H05K

Claim Text:
1. A component of a plasma etch reactor comprising: a metal portion of the component having a roughened surface with a roughness of approximately 100 micro-inches (μin) to approximately 300 μin, wherein the metal portion of the component comprises a first region and a second region thermally isolated from the first region by a thermal break; and a ceramic coating on the roughened surface of the metal portion of the component, wherein the ceramic coating comprises a yttrium containing oxide, the ceramic coating having a thickness of approximately 10-40 mil, wherein the ceramic coating has a thermal shock resistance sufficient for use at a temperature of up to approximately 150 degrees Celsius.