Phase-change optical information recording medium and method...

Dynamic information storage or retrieval – Binary pulse train information signal – Binary signal processing for controlling recording light...

Reexamination Certificate

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C369S047510

Reexamination Certificate

active

07916603

ABSTRACT:
Provided by the present invention is a method for recording on a phase-change optical information recording medium including irradiating “m” number of heating pulse with power Pw and “m” number of cooling pulse with power Pc when recording a mark of n˜Tw time length, and changing a preset value of at least any one of “m”th heating pulse THm and “m”th cooling pulse TCm when “n” is voluntary during test recording and information recording when setting an optimum write power, wherein “m” is a natural number, “n” is a natural number, Tw is a channel bit length and Pw is larger than Pc, and n=2m+1 is true when “n” is an odd number and n=2m is true when “n” is an even number.

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ECMA-371, Data Interchange on 120 mm and 80 mm Optical Disk using +RW HS Format—Capacity: 4,7 and 1,46 Gbytes per Side (Recording speed 8X) 1st Edition, Dec. 2005.
ECMA-349, Data Interchange on 120 mm and 80 mm Optical Disk using +R Format—Capacity: 4,7 and 1,46 Gbytes per Side (Recording speed up to 16X) 3rd Edition, Dec. 2005.

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