作者: Hiroyuki Minemura , Nobuyoshi Tsuboi , Masaichi Nagai , Yoshihito Maeda , Isao Ikuta
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摘要: The present invention provides an optical recording medium using amorphous-crystalline phase-change for and erasing, wherein reflectivity of medium-constituting film in amorphous state is larger than that the a crystalline state, or absorptivity smaller state.