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    I.S. EN 28630-1:1993

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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

    Withdrawn date:  24-05-2000

    Language(s):  English

    Published date:  23-04-1993

    Publisher:  National Standards Authority of Ireland

    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.

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

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

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Withdrawn

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO/IEC 6429:1992 Information technology Control functions for coded character sets
    ISO/IEC 4873:1991 Information technology ISO 8-bit code for information interchange Structure and rules for implementation
    ISO/IEC 2022:1994 Information technology Character code structure and extension techniques
    ISO 9293:1987 Information processing Volume and file structure of flexible disk cartridges for information interchange
    ISO 7665:1983 Information processing File structure and labelling of flexible disk cartridges for information interchange
    ISO/IEC 646:1991 Information technology ISO 7-bit coded character set for information interchange
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