G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 7/004 (2006.01)
Patent
CA 2680857
Provided is an information recording medium having an information recording layer where information is recorded. The information recording medium is evaluated by using an evaluation index obtained by using a ratio between a center of a reproduction signal amplitude corresponding to the next shortest mark and the next shortest space and a center of a reproduction signal amplitude corresponding to the longest mark and the longest space.
L'invention concerne un support d'enregistrement d'informations ayant une couche d'enregistrement d'informations sur laquelle sont enregistrées des informations. Le support d'enregistrement d'informations est évalué à l'aide d'un indice d'évaluation obtenu à l'aide d'un rapport entre un centre d'une amplitude de signal de reproduction correspondant à la marque la plus courte suivante et à l'espace le plus court suivant et un centre d'une amplitude de signal de reproduction correspondant à la marque la plus longue et à l'espace le plus long.
Miyashita Harumitsu
Nakata Kohei
Osler Hoskin & Harcourt Llp
Panasonic Corporation
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