INFORMATION RECORDING MEDIUM, AND METHOD OF MANUFACTURING INFORMATION RECORDING MEDIUM
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United States of America Patent
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Issued Date -
Jan 7, 2010
app pub date -
Oct 27, 2006
filing date -
Oct 27, 2006
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Abandoned
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Abstract
An information recording medium (100) is an optical recording medium in which a groove is made along a recording track and record or reproduction is carried out by irradiating laser light to it and a push-pull signal, which is smaller than a prescribed value, is obtained from a part of a region (101a) of the groove.
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