A polishing material for chemical mechanical polishing has a mesh of fibers and a binder material holding the fibers in the mesh. The binder material coalesced among the fibers to leave pores in the interstices between the fibers of the mesh. The fibers and binder material provide the polishing material...http://www.google.com.au/patents/US6623341?utm_source=gb-gplus-sharePatent US6623341 - Substrate polishing apparatus