Patent ID: 7025663

Claim:
A pad conditioner cleaning device, comprising: a cup housing member having a recess that forms a cleaning solution storage section, a circular region of the cleaning solution storage section being dedicated to accommodate a disk of a pad conditioner of a chemical mechanical polishing apparatus; a first cleaning solution supply unit mounted to the cup housing and oriented to supply cleaning solution into the cleaning solution storage section; and a second cleaning solution supply unit including a horizontal spray pipe having an arcuate section whose radius of curvature is greater than the radius of the circular region of the cleaning solution storage section, the spray pipe being disposed above the circular region as extending around at least a portion of the circular region, and the arcuate section of the spray pipe having a plurality of spray holes extending radially through a lower portion thereof, the spray holes being arrayed in both the circumferential and longitudinal directions of the spray pipe, wherein the spray holes are oriented to direct cleaning solution onto upper and side surfaces of the disk when the disk is set in the circular region of the cleaning section and cleaning solution is supplied through the spray pipe.