ITE Technical Report
Online ISSN : 2424-1970
Print ISSN : 1342-6893
ISSN-L : 1342-6893
27.1
Session ID : MMS2003-3
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High-Transfer-Rate DVD-RAM
Makoto MIYAMOTO, Junko USHIYAMA, Kazuyo UMEZAWA, Akira KASHIWAKURA, Reiji TAMURA, Hiroyuki MINEMURA
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Keywords: Transfer-Rate, DVD-RAM, Crystal Growth, Crystal Nucleation
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Abstract
We showed the feasibility of 4.7-GBDVD-RAM media for 5X recording. In order to maintain compatibility with current 2X drives, we reduced jitter in both 2X and 5X recording. The most important design concept is to control the crystal growth velocity and crystal nucleation frequency: the former should be reduced and the latter increased. To control these values, we prepared a medium having a Ge-Sb-Te recording film and a nucleation promoting film. It showed jitter lower than 9% in both 2X and 5X recording.
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© 2003 The Institute of Image Information and Television Engineers
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