ECMA 153 : 2ED 94

1 Scope
2 Conformance
3 References
4 Definitions
   4.1 Case
   4.2 Clamping zone
   4.3 Control track
   4.4 Cyclic Redundancy Check (CRC)
   4.5 Defect management
   4.6 Disk reference plane
   4.7 Entrance surface
   4.8 Error Correction Code (ECC)
   4.9 Format
   4.10 Hub
   4.11 Interleaving
   4.12 Kerr rotation
   4.13 Land and groove
   4.14 Mark
   4.15 Optical disk
   4.16 Optical disk cartridge (ODC)
   4.17 Polarization
   4.18 Pre-recorded mark
   4.19 Read power
   4.20 Recording layer
   4.21 Reed-Solomon code
   4.22 Spindle
   4.23 Substrate
   4.24 Track
   4.25 Track pitch
   4.26 Write-inhibit hole
   4.27 Write once optical disk
5 Conventions and notations
   5.1 Representation of numbers
   5.2 Names
6 List of acronyms
7 General description of the optical disk cartridge
8 General requirements
   8.1 Environment
9 Safety requirements
10 Dimensional and mechanical characteristics of the case
   10.1 General description of the case
   10.2 Case drawings
   10.3 Sides, reference axes and reference planes
   10.4 Materials
   10.5 Mass
   10.6 Overall dimensions
   10.7 Location hole
   10.8 Alignment hole
   10.9 Surfaces on reference planes P
   10.10 Insertion slots and detent features
   10.11 Gripper slots
   10.12 Write-inhibit holes
   10.13 Media sensor holes
   10.14 Head and motor window
   10.15 Shutter
   10.16 Slot for shutter opener
   10.17 Shutter sensor notch
   10.18 User label areas
11 Dimensional and physical characteristics of the disk
   11.1 Dimensions of the disk
   11.2 Mass
   11.3 Moment of inertia
   11.4 Imbalance
   11.5 Axial deflection
   11.6 Axial acceleration
   11.7 Dynamic radial runout
   11.8 Radial Acceleration
   11.9 Tilt
12 Drop test
13 Interface between disk and drive
   13.1 Clamping technique
   13.2 Dimensions of the Hub
   13.3 Magnetizable material
   13.4 Clamping force
   13.5 Capture cylinder for the hub
   13.6 Disk position in the operating condition
14 Characteristics of the substrate
   14.1 Index of refraction
   14.2 Thickness
15 Characteristics of the recording layer
   15.1 Test Conditions
   15.2 Baseline reflectance
   15.3 Magneto-optical recording in the User Zone
16 Disk format
   16.1 Track geometry
   16.2 Formatted zone
   16.3 Control Tracks
   16.4 Control track PEP Zone
   16.5 Control Track SFP Zones
   16.6 Requirements for interchange of a User-Recorded
         Cartridge
17 Track format
   17.1 Track layout
   17.2 Sector format
   17.3 Recording code
   17.4 Defect management
Annex A - Optical system for measuring write, read and erase
          characteristics
Annex B - Definition of write and erase pulse width
Annex C - Measurement of figure of merit
Annex D - Values to be implemented in existing and future
          standards
Annex E - Guidelines for the use of ODCs
Annex F - CRC for ID fields
Annex G - Interleave, CRC, ECC, Resync for the Data field
Annex H - Sector retirement guidelines
Annex J - Office environment
Annex K - Transportation
Annex L - Requirements for interchange

Defines definitions of the essential concepts; the environment in which the characteristics are to be tested; the environments in which the cartridge are to be operated and stored; the mechanical, physical and dimensional characteristics of the case and of the optical disk; the magneto-optical characteristics and the recording characteristics; the format for the physical disposition of the tracks and sectors, the error correction codes, the modulation method used for recording and the quality of the recorded signals.