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ANSI INCITS 171 : 1989 : R2005
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ONE- AND TWO-SIDED, HIGH-DENSITY, UNFORMATTED, 90-MM (3.5 IN), 5,3-TPMM (135-TPI) FLEXIBLE DISK CARTRIDGE FOR 15916 BPR USE - GENERAL, PHYSICAL, AND MAGNETIC REQUIREMENTS
Hardcopy , PDF
22-04-2024
English
01-01-2005
1 Scope, Purpose, and Application
1.1 Scope
1.2 Purpose
1.3 Application
1.4 Conformance
2 Referenced and Related Standards
2.1 Referenced American National Standards
2.2 Other Referenced Standards
2.3 Related American National Standard
3 Definitions
4 General Requirements
4.1 Environment
4.2 Materials
4.3 Cartridge Assembly
5 Physical Requirements
5.1 Dimensions and Tolerances
5.2 Torque
5.3 Physical Properties of Disk
5.4 Magnetic Coating Resistivity
5.5 Flammability
5.6 Toxicity
6 Test Track Requirements (Track and Recording Information)
6.1 Number
6.2 Width
6.3 Track Locations
6.4 Physical Track Identification
6.5 Direction of Rotation
7 Magnetic Characteristics
7.1 Data Surfaces
7.2 Signal Quality
Figures
Figure 1 Disk Case - Side 0
Figure 2 Disk Case - Side 1
Figure 3 Case without Shutter - Upper Part
Figure 4 Side 1 View and Hub Detail
Figure 5 Disk Operating Plane
Figure 6 Datum Planes
Figure 7 Support Details
Figure 8 Recording Offset Angle
Table 1 Dimensions for Figures 1, 2, and 3
Appendixes
Appendix A Abrasivity Evaluation
A1. Abrasivity
A2. Comparative Disk
A3. Wear Test Disk
A4. Wear Revolution
A5. Test Procedure
Appendix B Compliance Test and Gauge for Cartridge
B1. Purpose
B2. Reference Zones
B3. Load Force
B4. Hub Shaft
B5. Compliance
Appendix C Roughness
Appendix D Wear Resistance
Appendix E Peak Shift Measurement
E1. Measurement Conditions
E2. Definition
E3. Test Circuit
E4. Timing Diagram
Figures
Figure E1 Peak Shift Measurement Circuit
Figure E2 Timing Diagram
Appendix F Dimensions
Figure F1 Location of Drive Physical Index Pulse
Appendix G Drop-Through Gauge
Figure G1 Drop-Through Gauge
Appendix H Running Torque with Head(s) Loaded
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