Patent ID: 7014536
Filing Date: 2006-03-21
Classification: B24B

Abstract:
1. A method of polishing a wafer with a polishing machine comprising a chuck table for holding a wafer and a polishing means for dry polishing the surface of a wafer held on a chuck table with a polishing pad manufactured by incorporating abrasive grains into a soft member, the method comprising the steps of: cutting an arcuate chamfered portion formed at the periphery of the wafer to form a precipice at the periphery of the wafer; affixing a protective tape onto the surface to be held on the chuck table, of the wafer; placing the wafer on the chuck table in such a manner that the side of the protective tape comes into contact with the chuck table to dry polish the surface of the wafer with the polishing means; and dry polishing the surface of the wafer.