Patent ID: 8673166
Filing Date: 2014-03-18
Classification: H01J,H01L,Y10S,Y10T

Abstract:
1. A plasma processing method for performing plasma processing for a substrate, the method comprising: placing the substrate on a placement surface of a substrate holding device and holding the substrate on the placement surface by electrostatic attraction, the substrate holding device including a plurality of first thrust-up pins disposed in an outer region of a substrate placement region of the placement surface and a plurality of second thrust-up pins disposed in an inner region of the substrate placement region of the placement surface; performing the plasma processing for the substrate held by the electrostatic attraction; ceasing the electrostatic attraction after completion of the plasma processing; after said ceasing the electrostatic attraction, elevating the plurality of first thrust-up pins from the placement surface so as to release the substrate from the outer region in the substrate placement region of the placement surface; after said elevating the plurality of first thrust-up pins, elevating the plurality of second thrust-up pins so as to release the substrate from the inner region in the substrate placement region of the placement surface; wherein one of said elevating the plurality of first thrust-up pins or said elevating the plurality of second thrust-up pins includes a stepped elevating operation, the stepped elevating operation including: