Record carrier on which information is stored in an...

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G - Physics

11

B

352/32.2

G11B 7/00 (2006.01) G11B 7/005 (2006.01) G11B 7/007 (2006.01) G11B 7/09 (2006.01)

Patent

CA 1047644

ABSTRACT A record carrier is described which is provided with an optically readable structure of trackwise arranged areas alternating with intermediate areas. Areas of at least two different types are provided As a result, a high information density can be achieved. The different types of areas may also be used for center- ing a read beam relative to a track and for focussing the beam onto the track.

219532

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