Princo CD-Recordable : CDR-74 / CDR-80 規格

Disc Dimension
Thickness	1.2 (+0.3/-0.1) mm
Diameter	Outside	φ120 (±0.3) mm
	Inside	φ15 (±0.3) mm
Use area	φ44.7 - 118 mm
Format
Track Configuration	Spiral
Track Pitch	1.6(±0.1 )
Direction of Rotation	CCW ( read side )
Capacity	74 min or 650 MB / 80 min or 700 MB
Environment Condition
Operating	Temperature	-5℃〜55℃
	Humidity	5% RH〜95% RH
Storage	Temperature	-5℃〜55℃
	Humidity	5% RH 〜 90% RH
Technical Data
Unrecorded	Reflectivity (Rg)	0.73
	Redial contrast(RCd)	>0.05
Recorded	Reflectance (Rtop)	>65%
	Sensitivity	4〜8 mW
	Power Windows	> 0.15 Po
Block Error Rate	< 100 CPS
	Jitter(3T)PIT	< 35 ns
	Jitter(3T)LAND	< 35 ns
I(3)/Itop	0.3〜0.7
I(11)/Itop	> 0.6
Asymmetry	-15%≦Asym≦ 5%
Push-Pull SIG	0.04〜0.09
Cross Talk	< 0.50
Read Stability	> 1,000,000 times (0.7 mW)
Light Fastness	> Wool Reference #5
Multi-speed Recordable
Supported recording speed	2X, 4X, 6X, 8X, 12X and hi gher speed