Disc Specification; Disc Materials - LG GSA-4167B Service Manual

2. Disc Specification

Media Type
User data capacity
Wavelength
Reflectivity
Track pitch
Minimum pit length
Modulation
Channel bit- rate
Wobble Frequency
Addressing
Read Power (mW)
Write Power (mW)
JItter

3. Disc Materials

1) DVD-ROM
<Single Layer >
<Dual Layer >
DVD-ROM
Single-Layer Dual-Layer
Read Only Read Only
4.7GB 8.54GB
650nm 650nm
45~85% 18~30nm
0.74 0.74
0.4 0.44
>0.6 >0.6
26.16MHz 26.16MHz
- -
26.16MHz 26.16MHz
- -
<8% <8%
DVD-R DVD-RW
Dye Phase change
4.7GB 4.7GB
650nm 650nm
45~85% 18~30%
0.74 0.74
0.4 0.4
>0.6 >0.6
26.16MHz 26.16MHz
140KHz 140KHz
Wobble & LPP Wobble & LPP Wobble(ADIP) Wobble(ADIP)
<8% <8%
Label
Polycarbonate
Bonding layer
Reflective layer
Polycarbonate
Label
Polycarbonate
Reflective layer
Bonding layer
Semi-reflective
Polycarbonate
DVD+R DVD+RW
Dye Phase change
4.7GB 4.7GB
650nm 650nm
45~85% 18~30nm
0.74 0.74
0.4 0.4
>0.6 >0.6
26.16MHz 26.16MHz
817.4KHz 817.4KHz
+ +
0.7 0.1 0.7 0.1
<9% <9%
28