Patent ID: 9252039
Filing Date: 2016-02-02
CPC Classification: H01L

Claim Text:
1. An electrostatic chuck apparatus comprising: a pedestal part including a side surface; an electrostatic chuck including an upper surface and a side surface and provided on the pedestal part; an adhesive part including a side surface and provided between the pedestal part and the electrostatic chuck, the adhesive part containing a resin adhesive agent that adheres the pedestal part and the electrostatic chuck together; a recess part provided in a portion of the side surface of the pedestal part and a portion of the side surface of the electrostatic chuck, the recess part being provided in an area that includes a side surface of the adhesive part, the recess part being provided along an outer periphery of the pedestal part, an outer periphery of the adhesive part, and an outer periphery of the electrostatic chuck, the recess part having an upper edge portion that is positioned lower than the upper surface of the electrostatic chuck; and a focus ring engaged with the recess part and covering the side surface of the adhesive part.