Patent ID: 11923227
Assignee: KYOCERA CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 13:
14. An electrostatic chuck comprising:
an insulating base body comprising a predetermined surface; and
an electrode inside the base body, the electrode being layer shaped along the predetermined surface, wherein
an upper surface of the electrode and the base body are in contact, the upper surface facing a side where the predetermined surface is located, and
a gap which is rendered a vacuum or filled with a gas is interposed between a side surface of the electrode and the base body, the electrostatic chuck comprising two of the electrodes,
each of the electrodes comprises
a connection portion and
a plurality of extending portions extending alongside each other from the connection portion, and

the plurality of extending portions in one electrode and the plurality of extending portions in another electrode are alternately arranged in their width direction.