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General informations about BeAll 4xDVD±R discs
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Evaluation Item
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Spec.
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Typical
Characteristics
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User data capacity[GB]
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4.7
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4.7
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Mechanical
Parameter
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Outer diameter(mm)
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120±0.3
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120±0.1
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Inner diameter(mm)
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15.0+0.15/-0.00
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15.0+0.1/-0.00
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Thickness(mm)
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1.20+0.30/-0.06
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1.20+0.30/-0.06
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Track Pitch[um]
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0.74±0.01
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0.74±0.01
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4 x Recording Power [mW]
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-
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17.0
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Elapsed 4 x Recording Time[min]
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-
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about 15
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Recording characteristics of BeAll 4x DVD+R(AU440)
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Evaluation Item
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Spec.
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Typical
Characteristics
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Reflectivity[%]
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45~85
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50.0
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Bottom Jitter[%]
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<9
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8.0
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Modulated amplitude(I14/I14H)
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0.60min
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0.65
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Modulated amplitude(I3/I14)
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0.15min
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0.21
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Signal asymmetry
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-0.05~0.15
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0.05
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PI error(Max.)
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280max
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<30
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PI error(Ave.)
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280max
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<10
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