Patent ID: 9551071
Date: 2017-01-24
CPC Classifications: B05C,C23C,H01L

Claim:
1. A substrate support device, comprising: a plate portion including a heater plate including a heating element provided in the heater plate, a first cooling plate provided on a bottom surface of the heater plate and having a first flow path, and a second cooling plate provided on a top surface of the heater plate and having a second flow path; and a shaft portion supporting the plate portion and including a line connected to the heating element to supply an electric current to the heating element, and a tube supplying a coolant to the first cooling plate and the second cooling plate, the line and the tube being provided inside the shaft portion; wherein: the first flow path includes a spiral flow path wound circumferentially in a first direction from a central area toward an outer edge portion of the first cooling plate; and the second flow path includes a spiral flow path wound circumferentially in a second direction from a central area toward an outer edge portion of the second cooling plate, the second direction being opposite to the first direction.