Patent ID: 6561881
Filing Date: 2003-05-13
Classification: B24B

Abstract:
A system for polishing surfaces of objects comprising;a rotatable platform that provides support for an object to be polished; a secondary rotatable platform that provides support for a second object to be polished; a plurality of rotatable polishing pads, at least one of said rotatable polishing pads having a surface area smaller than the surface area of said object to be polished; and means for independently moving each of said rotatable polishing pads laterally across a surface of said object, said moving means being configured such that at least two rotatable polishing pads can be positioned over said surface of said object to simultaneously polish said object, said moving means including a multi-object mechanical arm having a multi-object rotatable polishing pad, said multi-object rotatable polishing pad having a surface area smaller that the surface areas of said object and said second object, said multi-object mechanical arm being configured to pivot about an arm axis such that said multi-object rotatable polishing pad can scan said object and said second object to polish both said object and said second object when said multi-object mechanical arm is pivoted.