Patent ID: 8512100

Claim:
A process for varnishing a magnetic disk, comprising: pressing and sliding an abrasive grain surface of an abrasive tape on the surface of a spinning magnetic disk to abrade the surface of the magnetic disk, wherein the abrasive tape comprises: a support; an abrasive particle layer which is disposed on the support and which contains abrasive particles and which has a surface with an irregular shape; and a coating layer which covers the surface of the abrasive particle layer, wherein the coating layer is a solid layer of which the main component is a resin and has a thickness in the range of 0.5 μm to 10 μm, having irregularities formed on the surface of the coating layer which reflect the irregular shape of the surface of the abrasive particle layer, and the abrasive tape comprises a liquid lubricant layer which contains a compound having a perfluoropolyether structure formed on the solid layer.