|
|
128 MB
|
230 MB
|
|
|
|
|
Disk Format
|
|
|
|
|
User area (radius)
|
24-40mm
|
24-40mm
|
|
|
|
Logical sectors/track
|
25
|
25
|
|
|
|
Track configuration
|
Spiral
|
Spiral
|
|
|
|
Track pitch
|
1.6µm
|
1.39µm
|
|
|
|
Direction of rotation
|
Counter clockwise
|
Counter clockwise
|
|
|
|
Mechanical
|
|
|
|
|
Disk diameter (outside)
|
86mm
|
86mm
|
|
|
|
Hub diameter (outside)
|
15mm
|
15mm
|
|
|
|
Cartridge dimension (w/l/h)
|
90mm/94mm/6mm
|
90mm/94mm/6mm
|
|
|
|
Disk weight (w/o cartridge)
|
<24.0g
|
<24.0g
|
|
|
|
Radial run-out
|
50µm TIR
|
50µm TIR
|
|
|
|
Axial run-out
|
100µm P-P
|
100µm P-P
|
|
|
|
Tilt
|
5mrad max
|
5mrad max
|
|
|
|
Optical
|
|
|
|
|
Substrate thickness
|
1.2mm
|
1.2mm
|
|
|
|
Refractive index
|
1.58
|
1.58
|
|
|
|
Read/Write/Erase
|
|
|
|
|
Nominal read power (@ 1,800 rpm)
|
1.2mW
|
1.2mW
|
|
|
|
Write/erase power (@ 1,800 rpm)
|
<=7.5mW
|
<=7.5mW
|
|
|
|
Minimum write/erase magnetic field strength
|
16000 A/m
|
16000 A/m
|
|
|
|
Carrier-to-noise ratio (proposed ISO Standard conditions)
|
>=45dB
|
>=45dB
|
|
|
|
Raw byte error rate
|
<1x10-4
|
<1x10-4
|
|
|
|
Capacity (single sided)
|
|
|
|
|
Formatted (512 bytes/sector)
|
128 MB
|
230 MB
|
|
|
|
Logical blocks/disk
|
|
|
|
|
Formatted (512 bytes/sector)
|
248,826
|
446,325
|
|
|
|
Reliability
|
|
|
|
|
Read cycle
|
>107 times
|
>107 times
|
|
|
|
Erase/write/read cycle
|
>106 times
|
>106 times
|
|
|
|
Archival life (based on acceleration testing)
|
>30 years2
|
>30 years2
|
|
|
|
Shelf life (based on acceleration testing)
|
>30 years2
|
>30 years2
|
|
|
|
Temperature and Humidity Requirements
|
|
|
|
|
Temperature (operating)
|
5-55°C
|
5-55°C
|
|
|
|
Humidity (operating)
|
3-85% RH3
|
3-85% RH3
|
|
|
|
Temperature (storage)
|
-10-55°C
|
-10-55°C
|
|
|
|
Humidity (storage)
|
3-90% RH3
|
3-90% RH3
|
|
