Substrate for optical recording medium, optical recording...

Details Substrate for optical recording medium, optical recording... Substrate for optical recording medium, optical recording...

2007-07-31

2007-07-31

Wellington, Andrea (Department: 2627)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

C369S013350, C369S030100, C369S275100, C369S275300

Reexamination Certificate

active

10633813

ABSTRACT:
A substrate for an optical recording medium includes recording tracks formed in guide grooves on a disc and an address section having an address pit sequence formed between the recording tracks in the guide grooves along an information reading direction of the recording tracks. The recording tracks in the guide grooves are divided into a prescribed number of zones. In each of the zones, the center of the address section corresponding to a recording track in the radially outermost or radially innermost guide groove is disposed so as to shift in a radial direction of the disc in relative relationship to the center of the recording track in the guide groove.

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