Variant Details





Main Image: Top / Obverse
003c.jpg
Additional Image: Bottom / Reverse
004c.jpg
Product Name 3 ½” Floppy Disk DD 3.5" diskette digital data disk
Single sided/single density,
Single sided/double density (DD),
double sided/double density (2DD)
Variant ID V0000172
Name of Holotype 3 ½” Floppy Disk Holotype ID H000006
Product Code/Number
Manufacturer
Genre(s) Data
Carrier Type disk cartridge
Process Type magnetic
Medium Type floppy disk
Standards IBTN/EBU: FD3
Market Professional
Height 94 mm
Width 90 mm
Diameter
Depth 3 mm
Running Length
Marketed Capacity 720 Kb (400 SS, 800 DS on Macintosh, 880 DS on Amiga)
Materials Magnetic floppy disk media within a plastic cartridge.
Distinguishing Features A rigid variable coloured plastic case with a slideable write protect catch in the bottom left corner. Colour variable.
Status
Collection of: National Library of Australia
Created by National Library of Australia
Assessment Summary Digital Preservation assistance required for transfer from existing media to the managed digital storage system. (modest effort)
Remarks 90-720 Kb
Production Started 1984
Production Stopped 1982
Application Binder
Binder Stability
Dye/Emulsion/Oxide
Base material
Back Treated

Back Treated: (μm) or (μ")

Base Thickness: (µm) or (µ")

Dye/Emulsion/Oxide Thickness: (μm) or (μ")

Total Thickness: (µm) or (µ")

Coercity: 650 (Oe) or (kA/m)

Retentivity: (Gauss) or (mT)

Remanence: (nWb/m) or (SatFlux)
PDF Web Link
Image 3 Macro
NoPhoto.jpg
Image 4 Macro
Required Devices
Required Interface
Required Operating System
Required Applications
Formated Capacity Mac and PC
90K-2880K
1D (SS/SD 90K tpi67.5),
1D (SS/DD 180K tpi67.5), 1D (SS/DD 360K tpi135),
2D (2S/DD 720K tpi135), 2HD (2S/HD 1440K tpi135), 2ED 2S/ED 2880K tpi135). Capacity is approximate formatted capacity.
Required Drivers
Formating Type
Required Accessories
Required Form Factor
Compression/Codec
Requirement Specifications
Transfer Rate
Recording Format
Number Of Cylinders
Process/Technique
ISO
Colour Space
Resolution
Process
Block Error Rate
Push Pull Signal
Crosstalk
Reflectivity
Sensitivity
Lightfastness
Read Stability
Life: Manufacturer
Life: Community 5 yrs.
Web Ref: Materials
Substrate Stability
Image Stability
Re-Formatting Issues
Web Ref: Re-Formatting
Web Ref: Conservation
Web Ref: Environment
Date Created 27/09/2007
Last Modified by Douglas Elford-NLA
Date Modified 08/09/2011
 
   

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