1.High Definition and anti-scratch. 2.Large Capacity with 25GB 3.Long service life with up to 30 years
Blu-ray disc is the data carrier of reading and writing which uses blue laser with wavelength of 405nm, It was defined as the red disc (DVD)replacement because of it's huge storage capacity and higher definition,As a new type of information storage medium,Blu-ray disc is widely used in the material storage by individual and organization and in high-definition movie,Internet,3D technology,press and publication culture industry, And it's the trend of the future audiovisual products.
Specification for our Blu-ray disc
Diameter | 120 mm |
Capacity SL | 25 GB |
Wavelength of laser diode | 405 nm |
NA of objective lens | 0.85 |
Cover layer thickness | 0.1 mm (SL), |
Recording area | On groove |
Rotation | CLV |
Track pitch | 0.32 μm |
Channel modulation | 17PP |
Minimum mark length | 0.149 μm |
Total efficiency | 81.7% |
User data transfer rate | 36 Mbps |
Channel bit rate at reference speed | 66 Mbps |
Time to recording whole disc at 4X | 23min |
Record Layer | Inorganic,Phasechange |
blank blue ray disc
