Optical recording/reproducing medium, stamper for...

Details Optical recording/reproducing medium, stamper for... Optical recording/reproducing medium, stamper for...

2007-10-09

2007-10-09

Neyzari, Ali (Department: 2627)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

C369S275300

Reexamination Certificate

active

10491444

ABSTRACT:
An optical recording and reproduction medium in which pits corresponding to recording information are formed along a recording track, wherein auxiliary pits are formed in at least a portion of the spaces between adjacent pits along the recording track direction; when the pit depth is d1and the auxiliary pit depth is d2, then d1≧d2is obtained; and both edges of the auxiliary pits along the recording track direction are shaped as simple convex curves.

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patent: 2000-348379 (2000-12-01), None
patent: 2001-209975 (2001-08-01), None

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