Optical disc, and reading system and manufacturing method of the disc
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United States of America Patent
Stats
-
May 20, 2003
Grant Date -
May 3, 2001
app pub date -
Dec 15, 2000
filing date -
Jun 26, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A writable optical disc has an information writing track, and a guiding track for introducing a laser beam to the information writing track. The guiding track has prepit information recorded thereon, the prepit information including at least address information of the optical disc. The prepit information is recorded on the guiding track at a position where interference of adjacent guiding tracks with the prepit information is prevented. The information writing track is a groove track, and the guiding track is a land track.
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