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C156-E097-01EN 2 - 19
Table 2.6 Disk specifications (2 of 2)
Item Specification
Disk weight, without cartridge
case
12 g or less
Cartridge case weight, without
disk
50 g or less
Radial
50 µ m, p-p or less
–
Axial ±0.22 mm –
Radial 3 m/s
2
or less –
Axial 10 m/s
2
or less –
Radial –
50 µm, p-p or less
Axial – ±0.15 mm
Radial – 6.1 m/s
2
or less
Axial – 22 m/s
2
or less
Tilt 5m rad or less
Top capacity Unformatted/side 181 MB 325 MB 819 MB 818 MB
Formatted/side 128 MB 230 MB 538 MB 643 MB
Usable side One side usable
Standard ISO/IEC 10090 ISO/IEC 13963 ISO/IEC 15041
Reliability Read cycle >10
8
Erase/write/read cycle >10
6
Load/unload cycle 2,5000
Archival life (according to
acceleration test results)
>10 years (*1)
Shelf life (according to
acceleration test results)
>10 years (*2)
Operating temperature 5 to 55°C
Operating relative humidity 3 to 85%RH (*3)
Storage temperature –20 to 55°C
Storage humidity 3 to 90% RH (*3)
*1 Archival life is the period in which recorded information can be read.
*2 Shelf life is the period in which information to be recorded can be written
*3 Maximum wet bulb temperature = 29°C
Note:
Non-recommended disks must be checked for compatibility.
Mechanical
characteristics
Environmental
requirements
Wrap and swing
(1,800 rpm)
Acceleration
(1,800 rpm)
Wrap and swing
(3,000 rpm)
Acceleration
(3,000 rpm)