Patent ID: 6977804

Claim:
An electrostatic chuck support mechanism comprising: an electrostatic chuck plate, mounted on a bearing site of a support stand, for holding a substrate by an electrostatic force; an electrode bar member connected to a lower surface of said electrostatic chuck plate and disposed through a bearing portion; a socket member, fixed beside said support stand, for supplying electricity, a lower portion of said electrode bar member being fitted into said socket member; and a push-up member, provided in said socket member, for pushing said electrode bar member upward, and wherein said electrostatic chuck plate is fixed on said bearing portion, whereby the lower portion of said electrode bar member is fitted into said socket member against a pushing-up force of said push-up member, while fixing of said electrostatic chuck plate from said bearing portion is released, whereby the lower portion of said electrode bar member is pushed upward by the pushing-up force of said push-up member to move said electrode bar member upward along with said electrostatic chuck plate.