Patent ID: 8968513
Filing Date: 2015-03-03
Classification: H01J

Abstract:
1. A plasma processing apparatus for introducing a processing gas into an evacuable processing chamber and generating plasma by a high frequency power and performing a plasma process on a processing target object by the plasma, the apparatus comprising: a dielectric base having a plurality of recesses, the dielectric base being included in an upper electrode installed in the processing chamber and facing the processing target object; a moving body provided with a plurality of protruding members capable of being inserted into and separated from the plurality of recesses; a driving mechanism configured to drive the moving body to allow the plurality of protruding members to be inserted from above into and separated from the plurality of recesses; and a lower electrode into which the high frequency power is supplied, the lower electrode being installed to face the upper electrode, wherein the moving body is configured to move up and down with respect to an upper surface of the processing target object.