ECMA 280 : 1ED 98

Section 1 - General
1 Scope
2 Conformance
   2.1 Optical Disk Cartridge (ODC)
   2.2 Generating System
   2.3 Receiving System
   2.4 Compatibility statement
3 Reference
4 Definitions
   4.1 asymmetry
   4.2 band
   4.3 case
   4.4 clamping zone
   4.5 control track
   4.6 Cyclic Redundancy Check (CRC)
   4.7 defect management
   4.8 direct overwrite
   4.9 disk reference plane
   4.10 entrance surface
   4.11 Error Correction Code (ECC)
   4.12 format
   4.13 hub
   4.14 interleaving
   4.15 Kerr rotation
   4.16 land and groove
   4.17 logical track
   4.18 mark
   4.19 mark edge
   4.20 mark edge recording
   4.21 optical disk
   4.22 optical disk cartridge (ODC)
   4.23 physical track
   4.24 polarization
   4.25 pre-recorded mark
   4.26 read power
   4.27 recording layer
   4.28 Reed-Solomon code
   4.29 space
   4.30 spindle
   4.31 substrate
   4.32 track pitch
   4.33 write-inhibit hole
   4.34 write-once functionality
   4.35 zone
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 Environments
       8.1.1 Test environment
       8.1.2 Operating environment
       8.1.3 Storage environment
       8.1.4 Transportation
   8.2 Temperature shock
   8.3 Safety requirements
   8.4 Flammability
9 Reference Drive
   9.1 Optical system
   9.2 Optical beam
   9.3 Read Channels
   9.4 Tracking
   9.5 Rotation of the disk
Section 2: Mechanical and physical characteristics
10 Dimensional and physical characteristics of the case
   10.1 General description of the case
   10.2 Relationship of Sides A and B
   10.3 Reference axes and case reference planes
   10.4 Case drawings
   10.5 Dimensions of the case
        10.5.1 Overall dimensions
        10.5.2 Location hole
        10.5.3 Alignment hole
        10.5.4 Surfaces on Reference Planes P
        10.5.5 Insertion slots and detent features
        10.5.6 Gripper slots
        10.5.7 Write-inhibit holes
        10.5.8 Media sensor holes
        10.5.9 Head and motor window
        10.5.10 Shutter
        10.5.11 Slot for shutter opener
        10.5.12 Shutter sensor notch
        10.5.13 User label areas
  10.6 Mechanical characteristics
       10.6.1 Materials
       10.6.2 Mass
       10.6.3 Edge distortion
       10.6.4 Compliance
       10.6.5 Shutter opening force
  10.7 Drop test
11 Dimensional, mechanical and physical characteristics
   of the disk
   11.1 General description of the disk
   11.2 Reference axis and plane of the disk
   11.3 Dimensions of the disk
        11.3.1 Hub dimension
   11.4 Mechanical characteristics
        11.4.1 Material
        11.4.2 Mass
        11.4.3 Moment of inertia
        11.4.4 Imbalance
        11.4.5 Axial deflection
        11.4.6 Axial acceleration
        11.4.7 Radial runout
        11.4.8 Radial acceleration
        11.4.9 Tilt
   11.5 Optical characteristics
        11.5.1 Index of refraction
        11.5.2 Thickness
        11.5.3 Birefringence
        11.5.4 Vertical Birefringence
        11.5.5 Reflectance
12 Interface between cartridge and drive
   12.1 Clamping method
   12.2 Clamping force
   12.3 Capture cylinder
   12.4 Disk position in the operating condition
Section 3: Format of information
13 Track geometry
   13.1 Track shape
   13.2 Direction of track spiral
   13.3 Track pitch
   13.4 Logical track number
   13.4 Physical track number
14 Track format
   14.1 Physical track layout
   14.2 Logical track layout
   14.3 Radial alignment
   14.4 Sector number
15 Sector format
   15.1 Sector layout
   15.2 Sector Mark
   15.3 VFO fields
   15.4 Address Mark (AM)
   15.5 ID fields
   15.6 Postamble (PA1)
   15.7 Transition Area (TA1)
   15.8 Gap
   15.9 Flag
   15.10 Auto Laser Power Control (ALPC)
   15.11 Sync
   15.12 Data field
         15.12.1 User data bytes
         15.12.2 CRC and ECC bytes
         15.12.3 Defect Management Pointer (DMP)
         15.12.4 Resync bytes
   15.13 Postamble field (PA2)
   15.14 Buffer field
   15.15 Transition Area (TA2)
16 Recording code
17 Formatted Zone
   17.1 General description of the Formatted Zone
   17.2 Division of the Formatted Zone
        17.2.1 Lead-in Zone
        17.2.2 Manufacturer Zones
        17.2.3 User Zone
        17.2.4 Reflective Zone
        17.2.5 Control Track Zones
   17.3 Control Track PEP Zone
        17.3.1 Recording in the PEP Zone
        17.3.2 Format of the tracks of the PEP Zone
   17.4 Control Track SFP Zones
        17.4.1 Duplicate of the PEP information
        17.4.2 Media information
        17.4.3 System Information
18 Layout of the User Zone
   18.1 General description of the User Zone
   18.2 Divisions of the User Zone
        18.2.1 Reserved Area Use
   18.3 User Area
   18.4 Defect Management Areas (DMAs)
   18.5 Disk Structure Table (DST)
   18.6 Write Once Read Many (WORM) Zone
        18.6.1 Location
        18.6.2 Partitioning
19 Defect Management for WORM Media
   19.1 Initialization of the disk
   19.2 Defect Management Pointers
   19.3 Write procedure
        19.3.1 Read Procedure
Section 4 - Characteristics of embossed information
20 Method of testing
   20.1 Environment
   20.2 Use of the Reference Drive
        20.2.1 Optics and mechanics
        20.2.2 Read power
        20.2.3 Read channels
        20.2.4 Tracking
   20.3 Definition of signals
21 Signal from grooves
   21.1 Cross-track signal
   21.2 Push-pull signal
   21.3 Divided push-pull signal
   21.4 Phase depth
   21.5 Track location
22 Signals from Headers
   22.1 Sector Mark Signals
   22.2 VFO signals
   22.3 Address Mark, ID and PA signals
   22.4 Timing jitter
   22.5 Asymmetry
23 Signals from embossed Recording fields
   23.1 Signal amplitude
   23.2 Asymmetry
   23.3 Timing Jitter
   23.4 Byte Errors
24 Signals from Control Track PEP marks
Section 5 - Characteristics of the recording layer
25 Method of testing
   25.1 Environment
   25.2 Reference Drive
        25.2.1 Optics and mechanics
        25.2.2 Read power
        25.2.3 Read Channel
        25.2.4 Tracking
        25.2.5 Signal detection for testing purposes
   25.3 Write conditions
        25.3.1 Write pulse and power
        25.3.2 Pulse power determination
        25.3.3 Media power sensitivity
26 Imbalance of difference signal
27 Write characteristics
   27.1 Resolution
   27.2 Narrow-band signal-to-noise ratio
   27.3 Cross-talk ratio
        27.3.1 WORM track test method
   27.4 Timing Jitter
Section 6 - Characteristics of user data
28 Method of testing
   28.1 Environment
   28.2 Reference Drive
        28.2.1 Optics and mechanics
        28.2.2 Read power
        28.2.3 Read amplifiers
        28.2.4 Mark Quality
        28.2.5 Channel bit clock
        28.2.6 Binary-to-digital converters
        28.2.7 Error correction
        28.2.8 Tracking
29 Minimum quality of a sector
   29.1 Headers
        29.1.1 Sector Mark
        29.1.2 ID fields
   29.2 User-written data
        29.2.1 Recording field
        29.2.2 Byte errors
        29.2.3 Timing jitter
30 Data interchange requirements
   30.1 Tracking
   30.2 User-written data
   30.3 Quality of disk
Annex A - Air cleanliness class 100 000
Annex B - Edge distortion test
Annex C - Compliance test
Annex D - Test method for measuring the adsorbent force
          of the hub
Annex E - CRC for ID fields
Annex F - Interleave, CRC, ECC, Resync for the data field
Annex G - Determination of Resync pattern
Annex H - Read Channel for measuring jitter
Annex J - Timing jitter measuring procedure
Annex K - Definition of write pulse shape
Annex L - Requirements for interchange
Annex M - Measurement implementation for Cross-track signal
Annex N - Asymmetry measuring definition
Annex P - Office environment
Annex Q - Derivation of the operating climatic environment
Annex R - Transportation
Annex S - Sector retirement guidelines
Annex T - Track deviation measurement
Annex U - Values to be implemented in existing and future
          standards
Annex V - Measurement of the vertical birefringence of the
          substrate
Annex W - Guidelines for the use of Type WORM ODCs
Annex X - Laser power calibration for evaluation of media
          power sensitivity

Many specifications are covered in this standard including: Environments in which the cartridges are to be operated and stored conditions for conformance testing and the reference drive; dimensional, physical and mechanical characteristics of the cartridge, so as to provide mechanical interchange ability between data processing systems; characteristics of the embossed information on the disk; recording characteristics of the disk, enabling processing systems to write onto the disk; minimum quality of user-written data on the disk, enabling data processing systems to read data from the disk.