Patent ID: 8342905
Filing Date: 2013-01-01
Classification: B24B,G11B

Abstract:
1. A dry-type optical disk restoration apparatus for polishing a readout surface of an optical disk to be restored, by rotating a polishing pad holding a polishing agent and the optical disk relative to each other in a contact state, comprising: a) a polishing agent supply means for supplying a polishing agent to the readout surface of the optical disk or the polishing pad; b) a polishing water supply means for supplying a polishing water to the readout surface of the optical disk or the polishing pad; and c) a supply control means for intermittently operating the polishing agent supply means to maintain an amount of the polishing agent held in the polishing pad during a polishing process, and for intermittently operating the polishing water supply means to replenish the polishing agent with moisture evaporated by a polishing heat.