Patent ID: 7833382
Filing Date: 2010-11-16
Classification: H01L,Y10S

Abstract:
1. A vacuum processing apparatus comprising: an outer chamber which constitutes a vacuum container; an inner chamber disposed inside of the outer chamber detachable from the outer chamber, the inner chamber being supplied with a process gas and a plasma being generated therein; a wafer holder disposed inside of the inner chamber on which a wafer to be processed by the plasma is located; an opening disposed below the wafer holder connected to an exhausting device which exhausts to a vacuum pressure inside the inner chamber; a seal which seals in airtightly the inside of the inner chamber with respect to a space between the inner chamber and the outer chamber, wherein the vacuum container comprises an upper member which opens the vacuum container, the upper member being equipped with a supply line of the process gas from outside thereof, the outside of the upper member being at atmospheric pressure and the inside of the inner chamber being at a reduced pressure and being sealed airtightly, and the space between the inner chamber and the outer chamber being maintained in vacuum.