ANSI INCITS 315 : 1998

Foreword
1 Scope, purpose, and application
   1.1 Scope
   1.2 Purpose
   1.3 Application
2 Normative references
3 Definitions
   3.1 anhysteretic erase
   3.2 average signal amplitude
   3.3 azimuth
   3.4 back surface
   3.5 bit
   3.6 bit-cell
   3.7 broad-band signal-to-noise ratio
   3.8 byte
   3.9 cartridge
   3.10 coincident dropouts
   3.11 dropout
   3.12 flux-transition position
   3.13 flux-transition spacing
   3.14 magnetic tape
   3.15 master standard reference tape
   3.16 physical recording density
   3.17 pre-record condition
   3.18 reference field
   3.19 resistance per square
   3.20 resolution
   3.21 secondary standard reference tape
   3.22 servo bit-cell
   3.23 servo beginning of tape (Servo BOT)
   3.24 servo end of tape (Servo EOT)
   3.25 servo track
   3.26 standard measurement current (I m )
   3.27 standard reference amplitude
   3.28 standard reference current (I r)
   3.29 track
   3.30 typical field
   3.31 zero crossing
4 Environment and safety
   4.1 Testing environment of tape and cartridge
   4.2 Operating environment of cartridge
   4.3 Storage environment of cartridge
   4.4 Transportation
   4.5 Safety
5 Mechanical and electrical requirements of tape
   5.1 Material
   5.2 Length of tape
   5.3 Width
   5.4 Total thickness
   5.5 Base-material thickness
   5.6 Discontinuity
   5.7 Longitudinal curvature
   5.8 Out-of-plane distortions
   5.9 Cupping
   5.10 Frictional drag between the recording surface and back surface
   5.11 Coating adhesion
   5.12 Electrical resistance of the coated surface
   5.13 Inhibitor tape
   5.14 Abrasivity
   5.15 Friction characteristics after stress
   5.16 Surface roughness
6 Tape magnetic requirements
   6.1 Magnetic coercivity
   6.2 Magnetic particle orientation
7 Magnetic recording performance of tape
   7.1 Typical field
   7.2 Signal amplitude
   7.3 Resolution
   7.4 Broad-band signal-to-noise ratio (BBSNR)
8 Quality of tape
   8.1 Dropout
   8.2 Coincident dropout
   8.3 Dropout density
   8.4 Durability of tape
9 Mechanical specifications of the tape cartridge
   9.1 Label areas of cartridge case
   9.2 Locating areas of cartridge case
   9.3 Flexibility of cartridge case
   9.4 File-protect mechanism
   9.5 Tape-reel hub
   9.6 Metallic insert
   9.7 Brake mechanism
   9.8 Winding of tape
   9.9 Winding tension
   9.10 Circumference of tape reel
   9.11 Moment of inertia of tape reel
   9.12 Leader block tape attachment
   9.13 Leader block pickup position
   9.14 Leader block insertion force
   9.15 Leader block pull-out force and work
   9.16 Cartridge identification notches
   9.17 Inhibitor cartridge
10 Format of tracks
   10.1 Number of tracks
   10.2 Reference edge of tape
   10.3 Positions of tracks
11 Servo tracks
   11.1 Servo track locations
   11.2 Servo track physical width
   11.3 Servo track format
   11.4 Servo requirements
   11.5 Servo verification process
Annexes
A Recommendations for transportation
B Tape durability
C Bibliography

Contains the requirements for an unrecorded tape cartridge to be used for information interchange among information processing systems.