I.S. EN 29529-1:1992
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 SYSTEMS - DATA INTERCHANGE ON 90 MM (3,5 IN) FLEXIBLE DISK CARTRIDGES USING MODIFIED FREQUENCY MODULATION RECORDINGS AT 15916 FTPRAD, ON 80 TRACKS ON EACH SIDE - PART 1: DIMENSIONAL, PHYSICAL AND MAGNETIC CHARACTERISTICS
Hardcopy , PDF
10-28-1998
English
08-07-1992
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.
Foreword
Introduction
1 Scope
2 Conformance
3 Normative 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 Amplitude
4.12 Average Signal Amplitude
4.13 in-contact
4.14 Side
4.15 direction of rotation
4.16 Index
4.17 line of access
4.18 formatting
4.19 initialization
5 General description
5.1 Drawings
5.2 Main elements
5.3 Description
6 General requirements
6.1 Environment and Transportation
6.1.1 Testing environment
6.1.2 Operating environment
6.1.3 Storage environment
6.1.4 Transportation
6.2 Materials
6.2.1 Case
6.2.2 Liner
6.2.3 Disk
6.2.4 Hub
7 Dimensional characteristics
7.1 Case
7.1.1 Shape
7.1.2 Thickness
7.1.3 Hub access hole
7.1.4 Locating holes
7.1.5 Label area
7.1.6 Head windows
7.1.7 Write-inhibit hole
7.1.8 Identification hole
7.1.9 Profile of the shutter edge of the case
7.1.10 Shutter
7.2 Liner
7.3 Disk
7.3.1 Diameter
7.3.2 Thickness
7.4 Hub
7.4.1 Dimensions
7.4.2 Hub orientation holes
7.5 Optional handling notches
7.6 Interface between cartridge and drive
7.7 Compliance
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 Torque
8.4.1 Starting torque
8.4.2 Running torque without heads loaded
9 Magnetic characteristics
9.1 Recording area
9.2 Track geometry
9.2.1 Number of tracks
9.2.2 Width of tracks
9.2.3 Track location
9.2.4 Track number
9.3 Functional testing
9.3.1 Test conditions
9.3.2 Surface tests
9.3.3 Track quality tests
9.3.4 Rejection criterion
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
F Method for measuring overwrite
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