| 摘要 |
<p>A cleaning method for an objective lens (13) of an optical disc device (1) that rotatably drives an optical disc medium (4) by a spindle motor (2) and records and/or playbacks data to/from the optical disc medium (4) by the objective lens (13) of an optical-pick up (12), includes: an airflow generation mode for generating a high speed airflow at a surface of the optical disc medium by increasing a rotational speed of the spindle motor to be faster than a rotational speed during recording and/or playback of data to/from the optical disc medium; and a blow-off mode for blowing off dust attached to the surface of the objective lens by the high-speed airflow generated at the surface of the optical disc medium by moving the objective lens from the inner periphery of the optical disc medium to the outer periphery while vibrating the objective lens up and down and/or from the left to right.
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