作者: Hyun-Ki Kim , Nak-hyun Kim , Joo-Ho Kim , In-Oh Hwang
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摘要: An information storage medium reduces low frequency noise, and an apparatus records and/or reproduces thereon. The includes a substrate; recording layer formed on the substrate including at least two materials in which chemically react with each other due to incident beam thereon having write power form mark; super resolution reproduction under property optical characteristics of partial area spot are changed. record reproduce pickup unit light source, objective lens medium, photodetector; signal processor; controller.