Patent ID: 6116994
Filing Date: 2000-09-12
Classification: B24B

Abstract:
A polishing apparatus, comprising:a polishing table having a polishing tool thereon;a top ring device for rotatably holding a substrate and pressing a polishing surface of the substrate against said polishing tool with a specific pressure;a substrate transfer device for transferring said substrate to and from a substrate storage section;a substrate delivery device for delivery of said substrate between said top ring device and said substrate transfer device at a delivery position outside of said polishing table;a guide rail device extending between said polishing table and said substrate delivery device;a carriage device mounted on and movable along said guide rail device and carrying said top ring device thereon; anda dressing device for dressing said polishing tool, said dressing device being mounted on said carriage device such that when said top ring device is positioned in working relation to said substrate delivery device, said dressing device is positioned in working relation to said polishing table.