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Experimental study of 30 GB/side rewritable optical disk using a blue-laser diode

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9 Author(s)
Kuwahara, M. ; Core Technol. Center, Toshiba Corp., Kawasaki, Japan ; Takehara, S. ; Kashihara, Y. ; Watabe, K.
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The read-write characteristics of a land and groove disk have been examined using a blue-laser diode, high NA objective lens and the PRML method. The wide tilt and defocus margins have been obtained and no deterioration by CW has been observed at a data bit length of 0.0987 μm and a track pitch of 0.29 μm. These experimental results certify the feasibility of a rewritable optical disk with a capacity of 30 GB/side.

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Optical Memory and Optical Data Storage Topical Meeting, 2002. International Symposium on

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