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  Test Disc
Date Transfer Rate Disc for Optical Drive
 
Application::
 

This series of discs are provided for optical drive manufacturer to measure drive's performance.
The main measurement items are as following : data transfer rate, data seek time, data reading error rate.....etc. 


Format:
 

DVD5/DVD9/CD 


 

Specification for Data Transfer Rate Test Disc (DVD5)
Physical Characteristic
Thickness (mm)1.14 - 1.50Center hole diameter (mm)15.00 - 15.15
Unbalance (g.mm)<1.5Eccentricity (um)<30
Mass of a disc (g)15 - 17
Electric Signal
Reflectivity (%)>60 I14/I14H>0.6
I3/I14>0.15System Jitter (%)<7
PI error (max.)<80 PI fail (ave.)0
Optical Characteristic
Radial deviation (deg)< ±0.5 Tangential deviation (deg)< ±0.2
Birefrigence (nm)<100
Function Test (according customer's request)

Specification for Data Transfer Rate Test Disc (DVD9)
Physical Characteristic
Thickness (mm)1.14 - 1.50Center hole diameter (mm)15.00 - 15.15
Unbalance (g.mm) <1.5 Eccentricity (um)<30 Both layer
Mass of a disc (g)15 - 17
Electric Signal
Reflectivity (%)>19 Both layerI14/I14H>0.6 Both layer
I3/I14>0.20System Jitter (%)<7
PI error (max.)<80PI fail (ave.)0
Optical Characteristic
Radial deviation (deg)< ±0.5Tangential deviation (deg)< ±0.2
Birefrigence (nm)<100Space layer thickness (um)40 - 70
Function Test (according customer's request)

Specification for Data Transfer Rate Test Disc (CD)
Physical Characteristic
Thickness (mm)1.1 - 1.3Center hole diameter (mm)15.00 - 15.10
Unbalance (g.mm) <1.0Eccentricity (um)<40
Mass of a disc (g)15 - 17
Electric Signal
Reflectivity (%)>19 Both layerI14/I14H>0.6 Both layer
I3/Itop0.3 - 0.7Jitter (ns)<35
BLER<100 max.E320 ave.
Optical Characteristic
Radial deviation (deg)< ±0.6 max. & min.Deflection (um)< ±100
Birefrigence (nm)<100Space layer thickness (um)40 - 70
Function Test (according customer's request)
 


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