Optical medium having a test recording area and method for recor

Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium

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369 58, 3692753, G11B 700

Patent

active

058188070

ABSTRACT:
A power calibration area is provided for obtaining an optimum recording power and a first information recording area is provided after the power calibration area. A test recording area is formed after the first information recording area for obtaining an optimum recording power for recording information in a next information recording area.

REFERENCES:
patent: 5226027 (1993-07-01), Bakx
patent: 5341360 (1994-08-01), Johann et al.
patent: 5463600 (1995-10-01), Kirino et al.
patent: 5513165 (1996-04-01), Ide et al.
patent: 5617399 (1997-04-01), Spruit et al.

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