Patent ID: 9336991
Filing Date: 2016-05-10
CPC Classification: C23C,H01J,H05H

Claim Text:
1. An ion implantation apparatus comprises: a vacuum chamber, a roller electrode having a portion of an outer circumferential part on which a film is wound, voltage application means for applying a voltage to the roller electrode, a gas introduction unit having a gas supply outlet for supplying an ion implantation gas into the vacuum chamber, and a gas discharge outlet for discharging the gas present in the gas introduction unit and in the vacuum chamber, wherein the gas introduction unit and the gas discharge outlet are disposed so as to be opposite each other along the axial direction of the roller electrode, the roller electrode intervening therebetween, the gas introduction unit is disposed so as to be separated from the roller electrode and be opposite a peripheral portion of an axial end of the roller electrode, and the gas supply outlets provided in the gas introduction unit are disposed so as to be opposite a peripheral portion of an axial end of the roller electrode.