In this paper the principle of phase-change media for erasable optical disk and the materials required are discussed in detail.

本文对可擦除相变光盘的工作原理及其材料的要求进行了详尽的论述。

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The erasable optical disk with high recording density, high stability, high data transfer rate, high carrier-noise ratio and low error rate arc the main points in the research and development.

当前的研究与开发的重点是具有高记录密度，数据传输速率快、稳定性好、载噪比大和误码率低的可擦型光盘存储材料。

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