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ERASABLE OPTICAL DATA MEMORY MEDIUM AND METHOD AND APPARATUS FOR CONCURRENTLY WRITING, ERASING AND READING DATA INTO MEDIUM
ERASABLE OPTICAL DATA MEMORY MEDIUM AND METHOD AND APPARATUS FOR CONCURRENTLY WRITING, ERASING AND READING DATA INTO MEDIUM
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机译:可擦写光学数据存储器介质以及用于将数据同时写入,擦除和读取到介质中的方法和装置
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摘要
An erasable optical data storage medium including a substrate and a dual layer of a first material and a second material on the substrate. The dual layer is susceptible to expansion and contraction, to writing data thermally, to erasing data thermally and mechanically, and to reading data optically, the first material and the second material, respectively, being bonded together and remaining in the same physical state upon the expansion and relaxation of the dual layer. Methods and apparatus are also disclosed for recording data bits on the medium.
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