引用:
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作者blacklilith
RAM跟MO比較接近
資料保存時間比RW久
而且殼可以拆開啊
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RAM和RW是相同材質下去做的
跟MO的寫入原理和材質都不一樣....
Optical Storage Technology Association的文章提到的理論保存性
http://www.osta.org/technology/dvdqa/dvdqa11.htm
As with CD-R and CD-RW discs media manufacturers have performed their own lifetime evaluations using a variety of homegrown tests and mathematical modeling techniques. Generally speaking, manufacturers claim life spans ranging from 30 to 100 years for DVD-R and DVD+R discs and up to 30 years for DVD-RW, DVD+RW and DVD-RAM.
DVD-RAM和DVD+/-RW都是30年...