Patent ID: 6328846
Filing Date: 2001-12-11
Classification: H01L

Abstract:
A device for an etch treatment of a disk-like object (16), comprisingmeans (12) for receiving the disk-like object (16) without contact;at least two guiding elements (18) disposed normally to said means (12) and limiting the position of the disk-like object (16) at its periphery;at least one nozzle means (20) associated with each said at least two guiding elements (18), wherein each nozzle means (20) is adjusted at an angle >1 and <90.degree. with respect to the plane of the disk-like object (16); a gaseous treating medium led through each said at least one nozzle means (20) and against a lower surface (16u) of the disk-like object (16) directly adjacent the respective guiding element (18).