Patent ID: 6536454
Filing Date: 2003-03-25
Classification: H01L,Y10S

Abstract:
A device for treating at least one bottom (1u) of a disc-shaped object (1) with the following features:1.1 A rotatable carrier (2) with an upper face (20) from which, perpendicular to the upper face (2o) of the carrier (2), at least two devices (19) protrude for positioning the disc-shaped object (1); 1.2 At least one line (20), (22), (24), (26) for supplying a treatment medium against the bottom (1u) of the disc-shaped object (1), said line (20), (22), (24), (26) being arranged so as to be stationary and so as to penetrate the carrier (2) at its center; 1.3 A cover (4), arranged so as to be stationary, forming an annular gap (16) and spaced apart from at least one section of a lower face (2u) of the carrier (2); with said cover (4) being penetrated without leaving any clearance, by the said at least one line (20), (22), (24), (26).