Cleaning disk for optical pickup head of optical disk drive

A cleaning disk for cleaning an optical pickup head of an optical disk drive, wherein the cleaning disk has a disk body which has the same size with a standard optical disk, and the disk body has a central mounting hole, and the disk body has a first surface and a second surface opposite to the first surface, and the cleaning disk is characterized in that:

• the disk body uses at least one two-step hole portion to mount at least one brush bundle;
• the two-step hole comprises an embedded fine hole and an expansion hole concentric with the embedded fine hole, wherein the embedded file hole is formed on the first surface of the disk body, and the expansion hole is formed on the second surface of the disk body;
• and
• the brush bundle is formed by clustering a plurality of brushes and has a root portion and an end portion opposite to the root portion, and the root portion is fixed in the embedded fine hole, and the end portion protrudes towards the facing direction of the second surface of the disk body through the expansion hole.