Foreword
Cooperating organizations
Specification
Section one. General
1. Scope
2. References
3. General requirements
4. Description
Section two. Dimensions
5. Overall external dimensions
6. Top cover with protective cover
7. Removable cover, pressure area
8. Disk
9. Disk hub
10. Armature plate
11. Disk and disk hub relationship
12. Armature plate and disk hub relationship
13. Armature plate and top cover relationship
14. Drive spindle and disk hub relationship
Section three. Mechanical characteristics
15. Environment
16. Shock and vibration
17. Materials
18. Moment of inertia
19. Maximum speed
20. Locking forces
21. Balance
22. Operational earthing
23. Material of the armature plate
24. Physical characteristics of the magnetic surface
Section four. Magnetic characteristics
25. Track and recording information
26. Conditions and equipment for magnetic tests
27. Functional testing
Appendices
A. Recommended accelerated storage life test
B. Coating adhesion and abrasive wear
C. Measuring effective track width
Figures
1. Exploded view of cartridge
2. Front elevation (part sectioned) of complete
cartridge (unmounted position)
3. Front elevation (part sectioned) of complete
cartridge (mounted position)
4. Front elevation of complete cartridge (unmounted
position)
5. Front elevation of cartridge without the removable
cover
6. View in direction of arrow A in figure 5
7. Part of figure 6 showing brush area
8. Partial cross section through the opening for the
index transducer
9. Partial front elevation of the removable cover in
the working position
10. Partial cross section of the disk and hub
11. Enlarged cross section of the disk edge
12. Armature plate
13. Geometry of head disk system (viewed from above)
14. Track index
15. Write current waveform
16. Read head and read electronics
17. Adhesion test
18. Abrasive wear resistance test
19. Track width measurement