Recording apparatus, master manufacturing apparatus, and method of manufacturing an optical disc recording medium
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United States of America Patent
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Apr 2, 2013
Grant Date -
Aug 16, 2012
app pub date -
Feb 7, 2012
filing date -
Feb 15, 2011
priority date (Note) -
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Abstract
A recording apparatus includes a rotation driving portion that rotates and drives an optical disc master; and a recording portion that performs an information recording on the optical disc master, by performing a laser beam irradiation on the optical disc master, based on a recording waveform which has a land pulse of a first power, a recording waveform portion having a recording pulse of a second power higher than the first power, and a cooling pulse which has a third power lower than the first power and is inserted between the land pulse and the recording waveform portion.
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