Patent ID: 6491045
Filing Date: 2002-12-10
Classification: B08B,H01L,Y10S

Abstract:
A cleaning apparatus for cleaning an object to be processed, said apparatus comprising:a processing case enclosing a processing chamber for processing the object therein, the case having a hole; a holder for holding the object; a rod provided with the holder and extending through the hole; and an air gripping seal provided between an outer surface of the rod and a region of the case defining the hole, wherein the air gripping seal is in a deflated state by sucking air therefrom in order to form a clearance between the outer surface of the rod and the region of the case defining the hole when the rod moves through the hole, and wherein the air gripping seal is in an inflated state by providing air therein in order to seal a gap between the outer surface of the rod and the region of the case defining the hole when the rod is in a state of rest.