| 摘要 |
PURPOSE:To sufficiently remove a residue by bringing a velvet tape into pressure contact with the surface of a rotating disk by means of a roller of a rubber type elastic body, and moving a pressure contacting position in the radial direction of said disk while feeding said velvet tape in its length direction. CONSTITUTION:Velvet has a marked cleaning force as compared with a woven cloth like gauze, etc. This velvet is brought into pressure contact with the surface of a magnetic disk 1 while moved in the radial direction of the disk 1, thereby, carrying out the cleaning of the whole surface of the disk efficiently. A pressure contact roll 12 of a rubber type elastic body maintains a pressure contact force which is set at the optimum value over a relatively large area, irrespective of more or less vibration on the disk surface. Further, by using a tape type velvet 8 and feeding it in its longitudinal direction, a new velvet face is always fed in a pressure contacting position, to maintain uniform and sufficient cleaning force over the whole surface of the disk. Accordingly, a surface machining residue is sufficiently removed. |
