ECMA 378 : 1ED 2007

Section 1 - General
1 Scope
2 Conformance
   2.1 Holographic disk
   2.2 Generating system
   2.3 Receiving system
   2.4 Compatibility statement
3 References
4 Definitions
   4.1 asymmetry
   4.2 case
   4.3 clamping zone
   4.4 cover layer
   4.5 Data Page
   4.6 Data Page hologram
   4.7 Data Page hologram pitch
   4.8 data reading beam
   4.9 data reading energy
   4.10 disk reference plane
   4.11 entrance surface
   4.12 Error Correction Code (ECC)
   4.13 format
   4.14 hologram track
   4.15 holographic disk
   4.16 holographic storage layer
   4.17 packet
   4.18 pit
   4.19 pit layer
   4.20 pit track
   4.21 pixel
   4.22 Read Only Memory (ROM) disk
   4.23 Reed-Solomon code
   4.24 Reference Drive
   4.25 Reference Pattern
   4.26 Specific Disk Information (SDI)
   4.27 spindle
   4.28 Sub-Page
   4.29 substrate
   4.30 symbol
   4.31 Sync Mark
   4.32 track
   4.33 track pitch
   4.34 tracking/addressing beam
   4.35 tracking/addressing reading power
   4.36 User data Zone
   4.37 zone
5 Conventions and notations
   5.1 Representation of numbers
   5.2 Names
6 Acronyms
7 General description
8 General requirement
   8.1 Environments
   8.2 Temperature shock
   8.3 Safety requirements
   8.4 Flammability
9 Reference Drive
   9.1 Optical system
   9.2 Tracking and Addressing Channel
   9.3 Data Holographic Reading Channel
   9.4 Conditions for measuring the operational signals
Section 2 - Mechanical and physical characteristics
10 Dimensional, mechanical, and physical characteristics
   of the disk
   10.1 General description of the disk
   10.2 Reference axis and plane of the disk
   10.3 Dimensions of the disk
   10.4 Clamping Zone
   10.5 Mechanical characteristics
   10.6 Optical characteristics
11 Interface between disk and drive
   11.1 Clamping method
   11.2 Tapered cone for disk clamping
   11.3 Clamping force
Section 3 - Format of information
12 General description
13 Tracking and addressing information format/Specific
   Disk Information format
   13.1 Pit track pitch
   13.2 Pit track format
   13.3 Specific Disk Information (SDI)
   13.4 Radial alignment
14 Data information format
   14.1 Data Page holograms layout in the storage
        layer
   14.2 Data Page encoding
   14.3 Digital to image conversion
   14.4 Data Page hologram - Reference Pattern
15 Division of the Formatted Zone
   15.1 General description of the Formatted Zone
   15.2 Content/usage of the Formatted Zone
Section 4 - Characteristics of the tracking/addressing
            and SDI information
16 Method of testing
   16.1 Environment
   16.2 Use of the Reference Drive
   16.3 Definition of signals
17 Signal requirements
   17.1 Reflectivity
   17.2 Normalized Push Pull signal
   17.3 Modulation
   17.4 Resolution
   17.5 4Ttop modulation
   17.6 Asymmetry
   17.7 Jitter
   17.8 Phase depth
Section 5 - Characteristics of user data
18 User data - Method of testing
   18.1 Environment
   18.2 Reference Drive
19 Minimum quality of a Data Page
   19.1 Reading energy damage
20 Data interchange requirements
   20.1 Tracking
   20.2 Stored data
   20.3 User-read data
Annex A (normative) Measurement of light reflectance
Annex B (normative) Measurement of birefringence
Annex C (normative) Tapered cone for disk clamping
Annex D (normative) Specific Disk Information
Annex E (normative) ECC
Annex F (normative) 16 bits to Symbols conversion
        look-up table
Annex G (normative) Finalizing data
Annex H (normative) Tracking/Addressing and Data
        Reading Channels characteristics
Annex I (normative) Asymmetry measuring definition
Annex J (informative) Office environment
Annex K (informative) Transportation
Annex L (informative) Track deviation measurement

Describes the mechanical, physical, and optical characteristics of a holographic disk that employs holographic storage to enable data interchange between such disks.