Magneto-optical disk and method of manufacturing the same

A magneto-optical disk comprising:

• a substrate;
• a magneto-optical recording medium formed on an outer portion of the substrate;
• and
• an area provided on an inner portion of the substrate, where a flying head performs sliding and contacting action,
• wherein small physical bumps and pits are created in the area of the substrate.

A magneto-optical disk comprising:

• a substrate having an outer portion and an inner portion;
• a depression formed in the outer portion;
• a magneto-optical recording medium formed on the depression;
• a protective resin layer which covers the magneto-optical recording medium so as to be substantially level with the inner portion;
• and
• an area in the inner portion where a flying head performs sliding and contacting action,
• wherein small physical bumps and pits are created in the area.

A magneto-optical recording and reproducing system comprising a flying head having a slider and a magneto-optical disk comprising:

• a substrate having a first surface and a second surface;
• a depression formed on an inner portion of the first surface;
• a magneto-optical recording medium formed on an outer portion on the first surface;
• a protective resin layer for covering the magneto-optical recording medium;
• a center hub having an outer flange which is mounted on the depression and the second surface so that the center hub outer flange is substantially level with the protective resin layer;
• an area where a flying head performs sliding and contacting action, the area being provided on the center hub outer flange, and said slider contacting said area of said hub when said disk is in a static state.