Patent ID: 6149078
Filing Date: 2000-11-21
Classification: B05B,B24B

Abstract:
A slurry nozzle for supplying slurry in chemical mechanical polishing (CMP), comprising:at least one slurry line having a sidewall for the slurry to spray out;a slurry nozzle enclosure for accommodating said at least one slurry line; anda baffle ring mounted at one end of the slurry nozzle enclosure from which the slurry flows out, having an inner sidewall enclosing the slurry line,wherein said at least one slurry line is provided with a plurality of apertures formed on said sidewall of said at least one slurry line for the slurry to spray; and the slurry spraying out from said slurry line flows down along said inner sidewall of said slurry baffle ring after the slurry impinges onto said slurry baffle ring.