ECMA 267 : 3ED 2001

Section 1 - General
1 Scope
2 Conformance
    2.1 Optical disk
    2.2 Generating system
    2.3 Receiving system
3 Reference
4 Definitions
    4.1 Adhesive layer
    4.2 Channel bit
    4.3 Clamping zone
    4.4 Digital sum value (DSV)
    4.5 Disk reference plane
    4.6 Dual layer disk
    4.7 Dummy substrate
    4.8 Entrance surface
    4.9 Optical disk
    4.10 Physical sector number
    4.11 Read-only disk
    4.12 Recorded layer
    4.13 Reed-Solomon code
    4.14 Reserved field
    4.15 Sector
    4.16 Single layer disk
    4.17 Spacer
    4.18 Substrate
    4.19 Track
    4.20 Track pitch
    4.21 Zone
5 Conventions and notations
    5.1 Representation of numbers
    5.2 Names
6 List of acronyms
7 General description of the disk
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 Safety requirements
    8.3 Flammability
9 Reference measurement devices
    9.1 Pick up head (PUH)
    9.2 Measurement conditions
    9.3 Normalized servo transfer function
    9.4 Reference servo for axial tracking
    9.5 Reference servo for radial tracking
Section 2 - Dimensional, mechanical and physical
          characteristics of the disk
10 Dimensional characteristics (figures 5 to 8)
    10.1 Overall dimensions
    10.2 First transition area
    10.3 Second transition area
    10.4 Clamping zone
    10.5 Third transition area
    10.6 Information zone
          10.6.1 Sub-divisions of the information zone
          10.6.2 Track geometry
          10.6.3 Track modes
          10.6.4 Channel bit length
    10.7 Rim area
    10.8 Remark on tolerances
    10.9 Runout
          10.9.1 Axial runout
          10.9.2 Radial runout
    10.10 Label
11 Mechanical parameters
    11.1 Mass
    11.2 Moment of inertia
    11.3 Dynamic imbalance
    11.4 Sense of rotation
12 Optical parameters
    12.1 Index of refraction
    12,2 Thickness of the transparent substrate
    12.3 Thickness of the spacer of Types C and D
    12.4 Angular deviation
    12.5 Birefringence of the transparent substrate
    12.6 Reflectivity
Section 3 - Operational signals
13 High frequency signals (HF)
    13.1 Modulated amplitude
    13.2 Signal asymmetry
    13.3 Cross-track signal
    13.4 Quality of signals
          13.4.1 Jitter
          13.4.2 Random errors
          13.4.3 Defects
14 Servo signals
    14.1 Differential phase tracking error signal
    14.2 Tangential push-pull signal
Section 4 - Data format
15 General
16 Data frames
    16.1 Identification data (ID)
    16.2 ID Error detection code (IED)
    16.3 Copyright management information (CPR_MAI)
    16.4 Error detection code (EDC)
17 Scrambled frames
18 ECC Blocks
19 Recording frames
20 Modulation
21 Physical sectors
22 Suppress control of the d.c. component
Section 5 - Format of the information zone(s)
23 General description of an information zone
24 Layout of the information zone
25 Physical sector numbering
26 Lead-in zone
    26.1 Initial zone
    26.2 Reference code zone
    26.3 Buffer zone 1
    26.4 Buffer zone 2
    26.5 Control data zone
          26.5.1 Physical format information
          26.5.2 Disk manufacturing information
          26.5.3 Content provider information
27 Middle zone
28 Lead-out zone
Annex A - Measurement of the angular deviation a
Annex B - Measurement of birefringence
Annex C - Measurement of the differential phase tracking
          error
Annex D - Measurement of light reflectance
Annex E - Tapered cone for disk clamping
Annex F - Measurement of jitter
Annex G - 8-to-16 modulation with RLL (2,10) requirements
Annex H - Burst cutting area (BCA)
Annex J - Source identification code
Annex K - Measurement of the thickness of the spacer of
          Dual Layer disks
Annex L - Note on the Reference Code
Annex M - Maximum transfer rate
Annex N - Disk bonding
Annex P - Transportation

Given in this standard are the mechanical, physical and optical characteristics of a 120 mm, read-only optical disk to enable the interchange of such disks. Specified is the quality of the recorded signals and the format of the data and the recording method. It thereby allows for information interchange by means of such disks.