Patent ID: 6106375
Filing Date: 2000-08-22
Classification: B24B

Abstract:
An apparatus for polishing a workpiece while a polishing liquid is fed to said workpiece, wherein a waste liquid and a waste mist are produced during polishing, said apparatus comprising:a polishing plate, having a peripheral edge, configured to polish said workpiece;a drain receiver adjacent said peripheral edge of said plate and configured to receive said waste liquid and said waste mist from said plate;at least one common discharge conduit connected to said drain receiver; anda separator connected to said common discharge conduit and configured to receive and separate said waste liquid and said waste mist, said separator comprising:(a) a housing,(b) a drain port connected to said housing and configured to drain said waste liquid from said separator, and(c) a vent port connected to said housing and configured to vent said waste mist from said separator.