Long-Term Archiving Digital Data to Optical Disc

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  • 光ディスクによるアーカイブについて
  • ヒカリディスク ニ ヨル アーカイブ ニ ツイテ

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Abstract

Optical disc has survived for so many years since the production of audio CD. It has been keeping the same format with low cost although the electronic products have a lot of alternations of generation. And recordable type of it also has more than 20 years history and there has been a great demand of disc with many applications such as storing audio, video, images and PC data, over 1 billion discs per year even now. It has less capacity and lower throughput than HDD and magnetic tape, but it has higher potential of long-term archiving. This report describes notes to use optical disc as archiving media and trends of standardization. And as a reference, this describes an emergency instruction based on the case of recovering the discs damaged by Great East Japan Earthquake.<br>

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