1. Specification of CD-R Raw Material
Polycarbonate
Viscosity ratio (24.8~~25.2 °C )
1.195 ± 0.04
Silver
Purity
≧ 99.99%
Appearance
Green powder / lumps
Water content
≦ 0.3%
λ max
712 - 715 nm
Viscosity (cps/25 °C)
30 ± 5
Hardness
Adhesion
2. Conditions
Characteristic
Specification
Remarks
Condition for testing Ambient temperature Relative humidity Air pressure
15 °C to 35 °C 45% to 75% 86 kPa to 106 kPa
No condensation may Occur on the disc
Operating Conditions during recording and reading Temperature range Absolute humidity Relative humidity
-5 °C to 55 °C 0.5 to 30 g/m 5% to 95%
3. Disc Physical Specifications
Outer diameter Outer diameter Edge shape Disc weight Disc unbalance
120 ± 0.3 mm free from burrs 14 ~ 20 g < 0.04 N
Measured at 23 ± 2 °C And 50 ± 5% RH
Center hole Diameter Shape of center hole Edge shape
15+0.1/-0 mm Cylindrical Burrs on information side of the disc are permitted
Thickness
1.2+0.3/-0.1 mm
Include protective layer, Printing and excluding Stack ring
Clamping area Clamping area on Side of disc Thickness of clamping area
26~33 mm 1.2+0.3/-0.1 mm
4. Optical Requirements
6-1
Thickness of clear disc substrate
1.2 ± 0.1 mm
Exclude protective layer and Printing
6-2
Refractive index of clear substrate
1.55 ± 0.1
6-3
Max birefrigence of clear substrate
≦70 nm (632.8nm)
Parallel light, Double pass Test range to 58.5 mm
6-4
Reflection and substrate Transmission(double pass)
Rtop ≧60%
5. Mechanical Characteristics
7-1
Vertical Deflection (max)
± 0.2 mm ( ± 0.4deg)
Test range to 58.5 mm
7-2
Radial Eccentricity of track
≦40µm
7-3
Tilt
± 0.4deg
6. Characteristics for Recording & Playback
8-1
Rotation Direction of rotation Scanning velocity
CCW 1.20~1.40 m/sec
8-2
Read out system Read out mode Track shape
In reflection , through Transparent discs One continuos spiral
8-3
Sensitive layer Polarity of modulation CNR for periodic effects in The range from 200-720 kHz
High to low ≧47dB
In the Information areaBW=10kHz
8-4
Recording conditions Recording strategy Optimum recording power for disc
--in groove --laser modulation Po determined by OPC
8-5
Reading condition Reading power
≦0.7mw
7. System Control Signal (Unrecorded disc)
9-1
Radial tracking signals Max. variation of Push-Pull Amplitude Radial Contrast Normalized Push-Pull Ratio
± 15% >+0.05 0.5~1.0
On one disc
9-2
Tangential tracking signals Locking frequency for the Groove wobble CNR of wobble
22.05 kHz >35dB
BW=1kHz
9-3
Time encoding Wobble encoding ATER Max. number of successive Erroneous ATIP frames
ATIP <10% 3 frames
Averaged over any 10 seconds
8. System Control Signal(Recorded disc)
10-1
Radial tracking signals Push-Pull magnitude Max. variation of Push-Pull Amplitude Radial Contrast
0.08~0.12 ± 15% 0.3~0.6
10-2
22.05 kHz >26dB
10-3
HF signal I3/Itop I11/Itop Average Block Error Rate E32 Cross-talk Jitter
0.3~0.7 0.6~1.0 <50cps 0 <50% <35ns
10-4
Asymmetry
-15% ≦asym ≦+10%
9. Reliability
Criteria
11-1
Dry Heat Test Temperature
Relative Humidity Storage Time
55 °C
max. 50% at 35 °C 96 hrs
Should meet the Requirements
Mentioned in these specification
IEC68-2-2 Ba
11-2
Cyclic Damp Heat Test Temperature Temperature
Relative Humidity Cycles Cycle Time
40 °C max. 25 °C min. 95% 6 12 hrs+12 hrs
Should meet the Requirements Mentioned in these specification
IEC68-2-30 Db
11-3
Light Fastness
Black Panel Temperature Relative Humidity Xenon Light Expose
<40 °C 70~80% 4 Mlux*Hr
Ave. BLER<60cps (Averaged over any 10 seconds)
ISO-105-B02
11-4
Heat Test
Temperature Relative Humidity Storage Time
70 °C 85% 96 hrs
