ECMA 223 : 1ED 95
Current
The latest, up-to-date edition.
DATA INTERCHANGE ON 90 MM OPTICAL DISK CARTRIDGES - CAPACITY: 385 MEGABYTES PER CARTRIDGE
12-01-2013
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 References
4 Definitions
4.1 band
4.2 case
4.3 Channel bit
4.4 clamping zone
4.5 control track
4.6 Cyclic Redundancy Check (CRC)
4.7 defect management
4.8 disk reference plane
4.9 embossed mark
4.10 entrance surface
4.11 Error Correction Code (ECC)
4.12 field 2
4.13 format
4.14 fully rewritable disk
4.15 groove
4.16 hub
4.17 interleaving
4.18 Kerr rotation
4.19 land and groove
4.20 logical track
4.21 mark
4.21.1 mark edge recording
4.22 optical disk
4.23 optical disk cartridge (ODC)
4.24 physical track
4.25 physical track group
4.26 pitch
4.27 polarization
4.28 read power
4.29 recording layer
4.30 Reed-Solomon code
4.31 rewritable optical disk
4.32 sector
4.33 spindle
4.34 substrate
4.35 ZCAV format
4.36 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 Testing 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 Reference planes of the case
10.3 Dimensions of the case
10.3.1 Overall dimensions
10.3.2 Location hole
10.3.3 Alignment hole
10.3.4 Reference surfaces
10.3.5 Detents
10.3.6 Functional Areas
10.3.7 Spindle and head windows
10.3.8 Shutter
10.3.9 Path for shutter opener and shutter
sensor notch
10.3.10 Mis-insert protections
10.3.11 Gripper slots
10.3.12 Label area
10.4 Mechanical characteristics
10.4.1 Material
10.4.2 Mass
10.4.3 Edge distortion
10.4.4 Compliance
10.4.5 Shutter opening force
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 dimensions
11.3.2 Clamping zone
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 of the substrate
11.5.3 Birefringence
11.5.4 Reflectance
12 Interface between cartridge and drive
12.1 Clamping method
12.2 Clamping force
12.3 Capture cylinder
12.4 Disk position in operating condition
Section 3 - Format of information
13 Geometry of physical tracks
13.1 Track shape
13.2 Direction of track spiral
13.3 Physical track pitch
14 Track format
14.1 Track number
14.2 Track layout
14.3 Clock frequencies and periods
14.4 Sector number
15 Sector format
15.1 Sector layout (data zone)
15.2 Sector Mark
15.3 VFO fields
15.4 Address Mark (AM)
15.5 ID fields
15.6 Postambles (PA)
15.7 Gap1
15.8 Gap2
15.9 Sync
15.10 Data field
15.10.1 User data bytes
15.10.2 CRC and ECC bytes
15.10.3 Resync bytes
15.10.4 Buffer field
16 Recording code
17 Format of the Information Zone
17.1 General description of the Information Zone
17.2 Division of the Information Zone
17.2.1 Initial Zone
17.2.2 Acquire Zone
17.2.3 Test Zones
17.2.4 Control Zones
17.2.5 Data Zone
17.2.6 Buffer Zone
18 Format of the Data Zone
18.1 Defect Management Areas (DMAs)
18.2 Disk Definition Structure (DDS)
18.3 Media types
18.4 Partitioning
19 Defect management
19.1 Rewritable groups: Spare sectors
19.1.1 Initialization of the disk
19.1.2 Certification
19.1.3 Slipping Algorithm
19.1.4 Linear Replacement Algorithm
19.1.5 Disks not certified
19.1.6 Write procedure
19.1.7 Primary Defect List (PDL)
19.1.8 Secondary Defect List (SDL)
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 Signals from grooves
21.1 Cross-track signal
21.2 Cross-track minimum signal
21.3 Push-pull signal
21.4 Divided push-pull signal
21.5 Phase depth
21.6 Track location
22 Signals from embossed Headers
22.1 Embossed Sector Mark
22.2 Embossed VFO, and VFOZ Fields
22.3 Embossed Address Mark, ID and Postamble
23 Signals from embossed Recording fields
Section 5 - Characteristics of the recording layer
24 Method of testing
24.1 Environment
24.2 Reference Drive
24.2.1 Optics and mechanics
24.2.2 Read power
24.2.3 Read Channel
24.2.4 Tracking
24.3 Write conditions
24.3.1 Write pulse
24.3.2 Write power and pulse width
24.3.3 Write magnetic field
24.4 Erase conditions
24.4.1 Erase power
24.4.2 Erase magnetic field
24.5 Definition of signals
25 Magneto-optical characteristics
25.1 Figure of merit
25.2 Imbalance of the magneto-optical signal
26 Write characteristics
26.1 Resolution
26.2 Narrow-band signal-to-noise ratio
26.3 Cross-talk
27 Erase characteristics
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 Analog-to-binary converters
28.2.5 Error correction
28.2.6 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
30 Data interchange requirements
30.1 Tracking
30.2 User-written data
30.3 Quality of disk
Annexes
Annex A - Edge distortion test
Annex B - Compliance test
Annex C - Track deviation measurement
Annex D - CRC for ID fields
Annex E - Format of the Data field of a sector
Annex F - Contents of the Control Zones
Annex G - Guidelines for sector replacement
Annex H - Measurement of the figure of merit
Annex J - Read power, write power and erase power
Annex K - Test method for measuring the adsorbent force
of the hub
Annex L - Derivation of the operating climatic environment
Annex M - Air cleanliness class 100000
Annex N - Position of the cartridge relative to the
reference planes
Annex P - Transportation
Annex Q - Office environment
Annex R - Relaxation by zones of the requirements for
signals
Annex S - GCR Recording Codes
Specifies the characteristics of 90 mm Optical Disk Cartridges, (ODCs) with a capacity of 385 Mbytes per cartridge. Specifies one type of such cartridge, viz. Type R/W.
Committee |
TC 31
|
DocumentType |
Standard
|
PublisherName |
European Computer Manufacturers Association
|
Status |
Current
|
ECMA 129 : 1994 | INFORMATION TECHNOLOGY EQUIPMENT - SAFETY |
ECMA 201 : 2ED 94 | DATA INTERCHANGE ON 90 MM OPTICAL DISK CARTRIDGES - CAPACITY: 230 MBYTES PER CARTRIDGE |
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