Foreword
Cooperating organizations
Specification
Section one. General
1. Scope
2. References
3. General requirements
4. Description
Section two. Dimensions
5. Reference line
6. Top cover
7. Hub
8. Spindle lock
9. Index disk
10. Disk support
11. Recording disk
12. Location of disks
13. Minimum clearance of lowest element
14. Overall height
15. Hub/disks relationship
16. Location of magnetic surface
Section three. Mechanical characteristics
17. Environment
18. General
19. Physical characteristics of magnetic surfaces
Appendices
A. Recommended accelerated storage life test
B. Recommended procedures for testing vibration and
shock
C. Dynamic dimensional disk characteristics and moment
of inertia
D. Coating adhesion and abrasive wear
E. Measuring effective track width
Tables
1. Nominal track locations
2. Shock tests
Figures
1. Disk pack without covers
2. Disk pack with top and bottom covers
3. Cross section of the hub (simplified)
4. Enlarged cross section of the lower end of the
spindle
5. Index disk viewed from above
6. Enlarged cross section of the disk pack (simplified)
7. Disk rotation and designations of disk surfaces and
heads
8. Geometry of the head disk system
9. Track index (top view of the index disk)
10. Write current waveform
11. Read circuit
12. Position limits of disk surfaces
13. Displacement, velocity, acceleration
14. Circuit arrangement
15. Moment of inertia measurement
16. Adhesion test
17. Abrasive wear resistance test
18. Calibration curve for silicon carbide abrasives with
acrylic plastics test samples
19. Track width diagram