Patent ID: 8926400
Filing Date: 2015-01-06
Classification: B24B,Y10T

Abstract:
1. A method for chemical mechanical polishing of a disk, the method comprising: providing a disk carrier comprising a surface configured to support an annular disk, the disk having an outside edge and an inside edge; providing a raised ring extending from the surface of the disk carrier to a height greater than a height of the disk, the raised ring comprising an inside edge sized to be spaced apart from the outside edge of the annular disk when the annular disk is supported on the surface; providing a raised column extending from the surface of the disk carrier to a height greater than a height of the disk, the raised column comprising an outside edge sized to be spaced apart from the inside edge of the annular disk when the annular disk is supported on the surface; inserting a disk into the disk carrier; and polishing the disk using chemical-mechanical polishing.