• Shopping Cart
    There are no items in your cart

I.S. EN 28630-1:1993

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 130 MM (5.25 IN) FLEXIBLE DISK CARTRIDGES USING MODIFIED FREQUENCY MODULATION RECORDING AT 13,262 FTPRAD, ON 80 TRACKS EACH SIDE - PART 1: DIMENSIONAL, PHYSICAL AND MAGNETIC CHARACTERISTICS

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

23-04-1993

Withdrawn date

24-05-2000

€53.00
Excluding VAT
Summarise this standard

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.


Dates of withdrawal of national standards are available from NSAI.

0 Introduction
1 Scope and field of application
2 Conformance
3 References
4 Definitions
  4.1 flexible disk
  4.2 reference flexible disk cartridge
  4.3 Secondary Amplitude Reference Disk Cartridge
  4.4 Signal Amplitude Reference Disk Cartridge
  4.5 Typical Field
  4.6 Reference field
  4.7 Test Recording Current
  4.8 Standard Reference Amplitude
  4.9 Average Signal Amplitude
  4.10 in-contact
  4.11 formatting
  4.12 initialization
  4.13 recording area
5 General description
  5.1 General figures
  5.2 Main elements
  5.3 Description
  5.4 Optional features
6 General requirements
  6.1 Environment and transportation
  6.2 Materials
  6.3 Direction of rotation
7 Dimensional characteristics
  7.1 Jacket
  7.2 Liner
  7.3 Disk
8 Physical characteristics
  8.1 Flammability
  8.2 Coefficient of linear thermal expansion of the disk
  8.3 Coefficient of linear hygroscopic expansion of the disk
  8.4 Capacity
  8.5 Torque
9 Magnetic characteristics
  9.1 Track geometry
  9.2 Functional testing
Annexes
A - Measurement of the cartridge thickness
B - Measurement of light transmittance
C - Method for measuring the effective track width

Specifies the dimensional, physical magnetic characteristics of the cartridge SQ as to provide physical interchangeability between data processing systems.

DocumentType
Standard
Pages
26
PublisherName
National Standards Authority of Ireland
Status
Withdrawn

Standards Relationship
BS EN 28630-1:1992 Identical
NF EN 28630-1 : 1993 Identical
EN 28630-1 : 1992 Identical
ISO 8630-1:1987 Identical
NBN EN 28630-1 : 1993 Identical
DIN EN 28630-1:1993-03 Identical

⚠

This standard has been withdrawn and is no longer current. No replacement edition is available.

€53.00
Excluding VAT