Variant Details





Main Image: Top / Obverse
P9081720c.jpg
Additional Image: Bottom / Reverse
P9081721c.jpg
Product Name 3 ½” Floppy Disk HD 3.5" diskette digital data disk
double sided/high density (2HD),
double sided
Variant ID V0000706
Name of Holotype 3 ½” Floppy Disk HD
double sided/high density (2HD),
double sided/extended density (2ED)
Holotype ID H000091
Product Code/Number
Manufacturer BASF - EMTEC
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 1440 Kb
Materials Floppy magnetic disk media within rigid plastic cartridge.
Distinguishing Features HD Disk (on upper Corner or Shutter) A rigid variable coloured plastic case with a slideable write protect catch in one corner and a similarly shaped hole (no protection slide) in the other corner.
Status
Collection of: National Library of Australia
Created by Douglas Elford-NLA
Assessment Summary Digital Preservation assistance required for transfer from existing media to the managed digital storage system. (modest effort)
Remarks 1.44 - 2.88 Mb
Production Started 1987
Production Stopped 1987
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: (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 3 ½” Floppy Disk High Density drive
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 08/09/2011
Last Modified by Douglas Elford-NLA
Date Modified 08/09/2011
 
   

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