AS 3605.1-1988

1 - AS 3605.1-1988 INFORMATION PROCESSING-DATA INTERCHANGE ON 200 mm FLEXIBLE DISK CARTRIDGES USING MODIFIED FREQUENCY...
4 - PREFACE
5 - Contents
6 - 0 Introduction
6 - 1 Scope and field of application
6 - 2 References
6 - 3 Definitions
6 - 3.1 flexible disk:
6 - 3.2 reference flexible disk cartridge:
6 - 3.3 secondary reference flexible disk cartridge:
6 - 3.4 signal amplitude reference flexible disk cartridge:
7 - 3.5 typical field:
7 - 3.6 reference field:
7 - 3.7 test recording currents:
7 - 3.8 standard reference amplitudes:
7 - 3.9 average signal amplitude:
7 - 3.10 in contact:
7 - 3.11 formaning:
7 - 3.12 initialization:
7 - 3.13 recording area:
7 - 4 General description
7 - 4.1 General figures
7 - 4.2 Main elements
7 - 4.3 Description
7 - 4.4 Optional features
7 - 5 General requirements
7 - 5.1 Environment and transportation
7 - 5.1.1 Testing environment
7 - 5.1.2 Operating environment
8 - 5.1.3 Storage environment
8 - 5.1.4 Transportation
8 - 5.1.5 Handling
8 - 5.2 Materials
8 - 5.2.1 Jacket
8 - 5.2.2 Liner
8 - 5.2.3 Disk
8 - 5.2.4 Envelope
8 - 5.3 Direction of rotation
8 - 6 Dimensional characteristics
8 - 6.1 Jacket
8 - 6.1.1 Form
8 - 6.1.2 Thickness
9 - 6.1.3 Central windows
9 - 6.1.4 Index windows
9 - 6.1.5 Head windows
9 - 6.1.6 Reference edge profile
9 - 6.1.7 Construction of the jacket
9 - 6.1.8 Notches
9 - 6.2 Li ner
9 - 6.3 Disk
9 - 6.3.1 Diameters
9 - 6.3.2 Thickness
9 - 6.3.3 Index window
10 - 6.3.4 Recording area
10 - 6.3.5 Sides
10 - 7 Physical characteristics
10 - 7.1 Inflammability
10 - 7.2 Coefficient of linear thermal expansion of the disk
10 - 7.3 Coefficient of linear hygroscopic expansion of the disk
10 - 7.4 Opacity
10 - 7.4.1 Opacity of the jacket
10 - 7.4.2 Opacity of the disk
10 - 7.5 Torque
10 - 7.5.1 Starting torque
10 - 7.5.2 Running torque
10 - 8 Magnetic characteristics
10 - 8.1 Track geometry
10 - 8.1.1 Number of tracks
10 - 8.1.2 Width of tracks
10 - 8.1.3 Track locations
11 - 8.1.4 Physical track identification
11 - 8.1.5 Index
11 - 8.2 Functional testing
11 - 8.2.1 Surface tests
11 - 8.2.2 Track quality tests
12 - 8.2.3 Rejection criteria
16 - Annex A - Measurement of the cartridge thickness
16 - A.1 Maximum thickness
16 - A.2 Minimum thi ckness
18 - Annex B - Measurement of light transmittance
18 - B.0 Introduction
18 - B.1 Description of the measuring equipment
19 - B.2 Measuring method
20 - Annex C - Method for measuring the effective track width
21 - Annex D - Write-inhibit notch
21 - D.1 Data interchange
21 - D.2 Other applications

This Standard specifies the dimensional, physical and magnetic characteristics of a 200 mm flexible disk cartridge using modified frequency modulation recording at 13 262 ftprad, 1.9 tpmm, on both sides. This Standard is identical with ISO 7065-1:1985.

This part of ISO 7065 specifies the dimensional, physical and magnetic characteristics of the cartridge, so as to provide physical interchangeability between data processing systems.NOTE - Numeric values in the SI and/or Imperial measurement systems in this International Standard may have been rounded and therefore are consistent with, but not exactly equal to, each other. Either system may be used, but the two should be neither intermixed nor reconverted. The original design was made using the Imperial measurement system.