Inorganic Write-Once Disc for High Speed Recording

概要

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We have developed an inorganic write-once disc based of the Blu-ray disc format. Our write-once disc has a double layer recording stack of a Cu alloy layer and a Si layer. These materials are environmentally friendly and low in cost. We designed a new write pulse strategy for high-speed recording while maintaining low recording peak power. As a result of using our write strategy, we obtained a jitter value of less than 8% with optimum recording power of 5 mW in the range of 36 Mbps to 144 Mbps.
2003-02-15