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EN 28860-1 : 1989

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

INFORMATION PROCESSING - DATA INTERCHANGE ON 90 MM (3.5 IN.) FLEXIBLE DISK CARTRIDGES USING MODIFIED FREQUENCY MODULATION AT 7958 FTPRAD, 5.3 TPMM (135 TPI) ON BOTH SIDES - PART 1: DIMENSIONAL, PHYSICAL AND MAGNETIC CHARACTERISTICS

Withdrawn date

01-10-1989

Published date

12-01-2013

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0 Introduction
1 Scope and field of application
2 Conformance
3 References
4 Definitions
  4.1 recording disk
  4.2 hub
  4.3 shutter
  4.4 liner
  4.5 case
  4.6 Master Standard Reference Flexible Disk Cartridge
  4.7 Secondary Standard Reference Flexible Disk Cartridge
  4.8 Typical Field
  4.9 Reference Field
  4.10 Test Recording Current
  4.11 Standard Reference Amplitudes (SRAs)
  4.12 Average Signal Amplitude
  4.13 in-contact
  4.14 side
  4.15 direction of rotation
  4.16 index
  4.17 formatting
  4.18 initialization
5 General description
  5.1 Figures
  5.2 Main elements
  5.3 Description
6 General requirements
  6.1 Environment and transportation
  6.2 Materials
7 Dimensional characteristics
  7.1 Case
  7.2 Liner
  7.3 Disk
  7.4 Hub
  7.5 Optional handling notches
  7.6 Interface between cartridge and drive
  7.7 Compliance
8 Physical characteristics
  8.1 Inflammability
  8.2 Coefficient of linear thermal expansion of the disk
  8.3 Coefficient of linear hygroscopic expansion of the disk
  8.4 Torque
9 Magnetic characteristics
  9.1 Recording area
  9.2 Track geometry
  9.3 Functional testing
Annexes
A Test for compliance
B Measurement of light transmittance
C Method for measuring the effective track width
D Cartridge distortion test gauge
E Method for measuring peak shift

Defines the dimensional, physical and magnetic characteristics of the cartridge, so as to provide physical interchangeability between data processing systems.

Committee
CS F12
DevelopmentNote
Also numbered as BS 6958-1(1988) and ISO 8860-1 (09/2005)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Withdrawn

ISO 683-13:1974 Heat-treated steels, alloy steels and free-cutting steels Part 13: Wrought stainless steels
ISO 9293:1987 Information processing Volume and file structure of flexible disk cartridges for information interchange

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