LG GSA-4167B - Manual (Page 24)

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2. Disc Specification
3. Disc Materials
1) DVD-ROM
DVD-ROM
Media Type
User data capacity
Single-Layer
Read Only
4.7GB
Dual-Layer
Read Only
8.54GB
DVD-R DVD-RW DVD+R DVD+RW
Dye Phase change Dye Phase change
4.7GB 4.7GB 4.7GB 4.7GB
Wavelength 650nm 650nm 650nm 650nm 650nm 650nm
Reflectivity 45~85% 18~30nm 45~85% 18~30% 45~85% 18~30nm
Track pitch 0.74 0.74 0.74 0.74 0.74 0.74
Minimum pit length 0.4 0.44 0.4 0.4 0.4 0.4
Modulation >0.6 >0.6 >0.6 >0.6 >0.6 >0.6
Channel bit- rate 26.16MHz 26.16MHz 26.16MHz 26.16MHz 26.16MHz 26.16MHz
Wobble Frequency - - 140KHz 140KHz 817.4KHz 817.4KHz
Addressing 26.16MHz 26.16MHz Wobble & LPP Wobble & LPP Wobble(ADIP) Wobble(ADIP)
Read Power (mW) 0.7 0.1 0.7 0.1
Write Power (mW) - -
JItter <8% <8% <8% <8% <9% <9%
+ +
Bonding layer
Polycarbonate
Semi-reflective
Polycarbonate
Reflective layer
Label
Polycarbonate
Label
Bonding layer
Reflective layer
Polycarbonate