Patent ID: 7278907
Filing Date: 2007-10-09
Classification: B24B,B24D

Abstract:
1. A method of adhering polishing pads in a polishing apparatus including: a lower polishing plate ( 20 ) having a polishing face, on which said polishing pad ( 10 ) is adhered; an upper polishing plate ( 30 ) being provided above said lower polishing plate ( 20 ) and held by a holding unit ( 60 ), said upper polishing plate ( 30 ) having a polishing face, on which said polishing pad ( 10 ) is adhered; a carrier ( 50 ) for holding a work piece ( 40 ), said carrier ( 50 ) being provided on said lower polishing plate ( 20 ) and engaged with a sun gear ( 80 ) and an internal gear ( 70 ), wherein an upper face and a lower face of the work piece ( 40 ) are simultaneously polished by rotating and moving said carrier ( 50 ) around the sun gear ( 80 ) and rotating said upper and lower polishing plates 20 , 30 ), said method comprising the steps of: tentatively adhering said polishing pads ( attaching a roller unit ( moving said upper polishing plate ( simultaneously adhering said polishing pads (