EN 28630-1 : 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Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
23-07-2013
12-01-2013
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
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.