Jpn. J. Appl. Phys. 39 (2000) pp. 912-919 |Next Article| |Table of Contents|
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Optical Disc System for Digital Video Recording
Tatsuya Narahara1,
Shoei Kobayashi1,
Masayuki Hattori2,
Yoshihide Shimpuku2,
Gijs J. van den Enden3,
Joost A. H. M. Kahlman3,
Marten van Dijk3 and
Roel van Woudenberg3,
1Giga Byte Laboratories, Sony Corporation, 6-7-35 Kitashinagawa, Tokyo 141-0001, Japan
2Media Processing Laboratories, Sony Corporation, 6-7-35 Kitashinagawa, Tokyo 141-0001, Japan
3Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands
(Received July 16, 1999; accepted for publication November 5, 1999)
We have developed a new error correction method (Picket: a
combination of a long distance code (LDC) and a burst
indicator subcode (BIS)), a new channel modulation scheme (17PP, or
(1, 7) RLL parity preserve (PP)-prohibit
repeated minimum transition runlength (RMTR) in full), and a new
address format (zoned constant angular velocity
(ZCAV) with headers and wobble, and practically constant linear
density) for a digital video recording system (DVR)
using a phase change disc with 9.2 GB capacity with the use of a red
(λ=650 nm) laser and an objective lens with a
numerical aperture (NA) of 0.85 in combination with a thin cover
layer. Despite its high density, this new format is
highly reliable and efficient. When extended for use with blue-violet
(λ≈405 nm) diode lasers, the format is well suited
to be the basis of a third-generation optical recording system with
over 22 GB capacity on a single layer of a 12-cm-diameter disc.
URL:
http://jjap.jsap.jp/link?JJAP/39/912/
DOI: 10.1143/JJAP.39.912
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