Patent ID: 6575816
Filing Date: 2003-06-10
Classification: B24B,B24D

Abstract:
A method of processing a surface of a workpiece in a workpiece processing apparatus, comprising the steps of:causing a workpiece carrier holding a workpiece to bring said workpiece into pressing engagement with a first processing surface of a first workpiece processing station; providing relative motion between said workpiece carrier and said first processing surface; moving said workpiece carrier and said workpiece held thereto, to a workpiece handoff station having a second processing surface; causing said workpiece carrier to bring said workpiece into pressing engagement with said second processing surface and drawing air down through a plurality of apertures defined in said second processing surface for vacuum-holding said workpiece theron, while providing relative motion between said workpiece carrier and said second processing surface; and transferring said workpiece from said handoff station to a second workpiece processing station.