Patent ID: 8821218

Claim:
A magnetic disk burnishing machine, comprising: a spindle operable to rotate a magnetic disk including at least one roller; a contact assembly including a contact pad and a pad backing material; and a length of a removal material positioned between the magnetic disk and the contact assembly, the removal material being operable to remove a first material from a magnetic disk surface, wherein the first material is located on an edge of the magnetic disk, wherein, in a first mode of operation, the contact assembly in contact with a cylinder piston which provides force, configured to forcibly apply the removal material against the edge of the magnetic disk, while the magnetic disk is rotating, to remove at least most of the first material from the edge and wherein, in a second mode of operation, the contact assembly is retracted relative to the edge of the magnetic disk and wherein the first material is on a read/write surface of the magnetic disk and wherein the at least one roller is configured to contact the removal material with the read/write surface of the magnetic disk to remove a portion of the first material in the first mode of operation.