| Blu-ray Disc is an optical disc format designed for high-density storage of High-Definition video, data and more. |
 |
- Shorter wavelength of 405nm blue-violet laser enables the storage of more information on a 120mm CD/DVD-sized disc.
- State-of-the-art stamping instrument using high-precision laser-cuttingcontrol technology is employed to realize an ultra-low-pitch data track.
- Highly sensitive recording layer incorporates newly developed materials for high-speed recording.
- The surface of the recording layer consists of a 0.1mm-thick cover layer with protective hard coat.
- Dual-layer discs enabling highly stable, 50GB capacity recording.
|
Disc type
|
BD-R (write once)
|
BD-RE (rewritable)
|
|
Recording layer
|
Single layer
|
Dual layer
|
Single layer
|
Dual layer
|
|
Recording capacity
|
25GB
|
50GB
|
25GB
|
50GB
|
|
Recording layer
|
Inorganic material
|
Phase-change material
|
|
Laser wavelength
|
405nm
|
|
Lens numerical aperture (NA)
|
0.85
|
|
Standard data transfer rate
|
35.965Mbps
|
|
Disc diameter
|
120mm
|
|
Disc thickness
|
1.2mm
|
|
Cover layer
|
0.1mm
|
|
Tracking
|
Groove recording
|
|
Track pitch
|
0.32µm
|
|
Shortest mark length
|
0.149µm
|
The following pack sizes include;
|
Media Video & Data 
