MINIDISC SPECIFICATIONS
|
| ITEM/FORMAT |
60-min./74-min. |
| Recordable Area |
ø32-61mm |
| Track Pitch |
1.6 microns(spiral) |
| Programmable Time |
60 min. / 74 min. |
| General Addresses* |
1841 clusters(60 min.) / 2252 clusters(74 min.) |
|
| PHYSICAL CHARACTERISTICS |
| Diameter: Disc |
ø64mm |
| Diameter: Center Ring |
ø11.0mm |
| Cartridge Dimensions |
72 (W) x 68 (D) x 5 (H) mm |
| Weight |
18 grams |
| Disc Tilt(Deflection) |
Less than 10mrad(within 300 microns) |
| Track Eccentricity |
Within ±50 microns |
|
| OPTICAL DISC
CHARACTERISTICS |
| Substrate (Disc) Thickness |
1.2mm |
| Disc Double Refraction |
Under 80 nanometers |
| Mirror Reflection (780mm time) |
18% |
|
| RECORDING/PLAYBACK SIGNAL
CHARACTERISTICS |
| Playback Laser Power |
0.6 mW |
| Recording Laser Power |
4.5 mW |
| CNR (Carrier-to-Noise Ratio) |
46 dB or more |
| Recording Power Margin |
±20% or more (standard) |
Smallest Allowable Recording
Magnetic Field |
8 kA/m (100 Oe) |
|
DATA
ERROR RATE |
| Error Correction |
Block Error Rate <= 10-3 |
| After Error Correction |
Block Error Rate <= 10-12 |
|
| DISC LIFE EXPECTANCY |
| Possible Repetitive Playback Times Over
10,000,000 |
| Possible Repetitive Recording Times Over
10,000,000 |
|
| ENVIRONMENTAL CONDITIONS |
| Recording/Playback Conditions |
-25°C ~70°C, 5 ~ 95%RH
(However, Absolute humidity is under 80 g/m) |
|
| *Includes User-TOC-Area Copyright 1998 Sony Electronics Inc |
