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Go To | Optical Storage |
5.25 Optical Storage |
Product Specifications
3M ™ 5 1/4" (130mm) Optical Disks now from Imation.
600/650 MB, 1.2/1.3 GB and 2.3/2.6 GB Capacities
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600MB/650 MB
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1.2 GB/1.3 GB
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2.3 GB/2.6 GB
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Disk Format
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User area (radius)
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30-60mm
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30-60mm
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30-60m
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Logical sectors/track
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31
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31
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31
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(512 bytes/sector)
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(1024 bytes/sector)
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17
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17
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17
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Track configuration
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Spiral
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Spiral
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Spiral
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Track pitch
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1.6µm
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1.39µm
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1.15 µm
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Direction of rotation
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Counterclockwise
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Counterclockwise
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Counterclockwise
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Mechanical
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Disk diameter(outer)
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130mm
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130mm
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130mm
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Hub diameter(outer)
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25mm
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25mm
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25mm
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Cartridge diameter
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(w/l/h)
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135mm/153mm/11mm
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135mm/153mm/11mm
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135mm/153mm/11mm
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Disk weight(w/o cart)
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< 50g
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<50g
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<50g
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Radial run-out
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50µmTIR
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50µmTIR
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50µmTIR
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Axial run-out
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+- 300µm
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+- 300µm
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+- 190µm
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Tilt
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5mrad max
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5mrad max
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3.2mrad max
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Optical
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Substrate thickness
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1.2mm
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1.2mm
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1.2mm
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Refractive index
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1.57
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1.57
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1.57
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Read/Write/Erase
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Nominal read power
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(@3
000rpm)
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1.5mW
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1.5mW
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1.5mW
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Write/erase/power
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(@3000rpm)
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<=9.0mW
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<=9.0mW
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<=10.0mW
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Minimum write/erase
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magnetic field strength
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1800A/m
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1800A/m
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1600A/m
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Carrier-to Noise ratio
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(ISO standard conditions)
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>45dB
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>45dB
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>45dB
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Raw byte error
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<1 x 10 to the -4
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<1 x 10 to the -4
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<1 x 10 to the -4
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Capacity (two sided)
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Per formatted side
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(512 bytes/sector)
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297 MB
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596 MB
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1,152MB
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(1024 bytes/sector)
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325 MB
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654 MB
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1,308 MB
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Logical blocks/side
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(512 bytes/sector)
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576,998
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1,163,336
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2,250,538
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(1024 bytes/sector)
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314,568
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637,041
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1,276,077
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Readability
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Read cycle
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>10 to the 7 times
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>10 to the 7 times
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>10 to the 7 times (1)
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Erase/write/read cycle
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for RW disks
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> 10 to the 6 times
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> 10 to the 6 times
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> 10 to the 6 times (1)
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Archival life (based on
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acceleration testing)
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> 30 yrs (2)
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> 30 yrs (2)
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> 30 yrs (2)
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Shelf life (based on
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acceleration testing)
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> 30 yrs (2)
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> 30 yrs (2)
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> 30 yrs (2)
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Temperature and humidity requirements
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Temperature (operating)
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5-55 degrees C
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5-55 degrees C
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5-55 degrees C
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Humidity (operating)
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3-85% RH (3)
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3-85% RH (3)
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3-85% RH (3)
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Temperature(storage)
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-10-55 degrees C
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-10-55 degrees C
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-10-55 degrees C
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Humidity (storage)
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3-90% RH (3)
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3-90% RH (3)
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3-90% RH (3)
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ISO/ECMA standards
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Rewritable
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ISO/IEC 10089, Format A
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ISO/IEC 13549,ECMA 184
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ISO N828,CD14517
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CCW
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ISO/IEC 11560,ECMA 153
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ISO/IEC 13549,ECMA 184
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ISO N828,CD14517
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Specification subject to change without notice
1 < 1.0 mW threshold change, <2dB peak CNR change for cycle testing
2 Greater than 30 years at 30 degrees C and 90% RH with 95% compliance
3 Minimum wet bulb temperature -29 degrees C
Note: Media performance specifications are the same for rewritable and CCW disks.
Factory - installed permanent codes determine media type (rewritable or CCW)
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Copyright 1996 Imation. All rights reserved.
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