Patent ID: 8284538

Claim:
An electrostatic chuck device comprising: an electrostatic chuck section including a substrate, wherein the electrostatic chuck section has a main surface serving as a mounting surface on which a plate-like sample is mounted and an electrostatic-adsorption inner electrode built therein, and a power supply terminal for applying a DC voltage to the electrostatic-adsorption inner electrode; and a metal base section, having a concave portion on the main surface thereof to which a dielectric plate is adhesively bonded/fixed with a conductive adhesive bonding layer having a volume resistivity of 1.0×10 −2 Ωcm or less, wherein the dielectric plate is fixed/bonded to the other main surface of the electrostatic chuck section so as to incorporate the metal base section into a body and have the metal base section serve as a high frequency generating electrode, wherein the dielectric plate and the electrostatic chuck section are adhesively bonded to each other with an insulating adhesive bonding layer interposed therebetween, wherein the thickness of the dielectric plate decreases from the center to the peripheral edge.