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- W2113782015 abstract "We review the current status of high density phase-change optical recording at red wavelengths. A user bit capacity of 3.0 GByte has been realized on a 120 mm rewritable disk by using in-groove recording and a simple and reliable wobbled groove format. The headerless format shows excellent data and address integrity during cyclability tests and it has a high degree of compatibility with read-only DVD. In order to extend disk capacity even further, both radial and tangential densities must be increased. In increasing the radial density, land/groove recording appears more promising than in-groove recording because optical cross-talk between neighboring tracks can be largely cancelled. A reduction of the track pitch in land/groove recording below 0.74 micrometers results in thermal cross-talk, leading to partial erasure of data in the adjacent tracks. The minimum bit length which gives acceptable recording tolerances in both land and groove tracks is 0.32 micrometers . With the combination of a track pitch of 0.74 micrometers and a bit length of 0.32 micrometers , an areal density of 2.7 Gbit/in<SUP>2</SUP> and a user capacity of 3.5 GByte should be possible in land/groove recording." @default.
- W2113782015 created "2016-06-24" @default.
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- W2113782015 date "1997-07-30" @default.
- W2113782015 modified "2023-10-16" @default.
- W2113782015 title "<title>High-density phase-change recording beyond 2.6 Gb</title>" @default.
- W2113782015 doi "https://doi.org/10.1117/12.280700" @default.
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