ECMA 331 : 2ED 2004

Section 1 - General
1 Scope
2 Conformance
3 Normative references
4 Definitions
   4.1 Cartridge
   4.2 Case
5 Conventions and notations
   5.1 Representation of numbers
   5.2 Names
6 General description of the case
   6.1 General description of the Type 1 case
   6.2 General description of the Type 2 case
   6.3 General description of the Type 3 case
   6.4 General description of the Type 4 case
   6.5 General description of the Type 5 case
   6.6 General description of the Type 6 case
   6.7 General description of the Type 7 case
   6.8 General description of the Type 8 case
   6.9 General description of the Type 9 case
7 General requirements
   7.1 Environments
        7.1.1 Test environment
        7.1.2 Operating environment
        7.1.3 Storage environment
        7.1.4 Transportation
   7.2 Temperature shock
   7.3 Safety requirement
   7.4 Flammability
Section 2 - Dimensional and mechanical characteristics of the
            case for 120 mm disks
8 Dimensional characteristics
   8.1 Dimensions of the Type 1 case
        8.1.1 Overall dimensions
        8.1.2 Location hole
        8.1.3 Alignment hole
        8.1.4 Reference surfaces
        8.1.5 Insertion slots
        8.1.6 Detents
        8.1.7 Gripper slots
        8.1.8 Write-inhibit hole
        8.1.9 Sensor holes
        8.1.10 Sensing areas
        8.1.11 Spindle and head window
        8.1.12 Shutter shape
        8.1.13 Path for shutter opener
        8.1.14 Label areas
        8.1.15 Identification marks for Sides A and B
   8.2 Dimensions of the Type 2 case
        8.2.1 Overall dimensions
        8.2.2 Location hole
        8.2.3 Alignment hole
        8.2.4 Reference surfaces
        8.2.5 Insertion slot
        8.2.6 Detents
        8.2.7 Gripper slots
        8.2.8 Write-inhibit hole
        8.2.9 Sensor holes
        8.2.10 Sensing areas
        8.2.11 Spindle and head window
        8.2.12 Shutter shape
        8.2.13 Path for shutter opener
        8.2.14 Label areas
        8.2.15 Identification mark for Side A
        8.2.16 Opening and opening cover for taking the disk
                out of the case
   8.3 Dimensions of the Type 3 case
        8.3.1 Sensor holes
        8.3.2 Opening and opening cover for taking the disk
                out of the case
   8.4 Dimensions of the Type 4 case
        8.4.1 Sensor holes
        8.4.2 Opening and opening cover for taking the disk
                out of the case
   8.5 Dimensions of the Type 5 case
        8.5.1 Sensor holes
        8.5.2 Opening and opening cover for taking the disk
                out of the case
9 Mechanical characteristics
   9.1 Material
   9.2 Mass
   9.3 Edge distortion
   9.4 Compliance
   9.5 Shutter opening force
10 Interface between the case used as cartridge and a drive
   10.1 Capture cylinder
   10.2 Inner dimensions of the case
11 Orientation of the disk in the case
   11.1 Two-sided disk (Type 2S) in case Types 1, 4 and 5
   11.2 One-sided disk (Type 1S) in case Types 1, 2 and 3
Section 3 - Dimensional and Mechanical characteristics of the
            case for 80 mm disk
12 Dimensional characteristics
   12.1 Dimensions of the Type 6 case
        12.1.1 Overall dimensions
        12.1.2 Location hole
        12.1.3 Alignment hole
        12.1.4 Reference surfaces
        12.1.5 Mis-insertion protection slots
        12.1.6 Detents
        12.1.7 Write-inhibit hole
        12.1.8 Sensor holes
        12.1.9 Spindle and head window
        12.1.10 Shutter shape
        12.1.11 Path for shutter opener
        12.1.12 Label areas
        12.1.13 Identification marks for Sides A and B
        12.1.14 Disk holder and body
   12.2 Dimensions of the Type 7 case
        12.2.1 Overall dimensions
        12.2.2 Location hole
        12.2.3 Alignment hole
        12.2.4 Reference surfaces
        12.2.5 Mis-insertion protection slots
        12.2.6 Detents
        12.2.7 Write-inhibit hole
        12.2.8 Sensor holes
        12.2.9 Spindle and head window
        12.2.10 Shutter shape
        12.2.11 Path for shutter opener
        12.2.12 Label areas
        12.2.13 Identification marks for Sides A and B
        12.2.14 Disk holder and body
   12.3 Dimensions of the Type 8 case
        12.3.1 Sensor holes
        12.3.2 Disk holder and body
   12.4 Dimensions of the Type 9 case
        12.4.1 Sensor holes
        12.4.2 Disk holder and body
13 Mechanical characteristics
   13.1 Material
   13.2 Mass
   13.3 Edge distortion
   13.4 Compliance
   13.5 Shutter opening force
14 Interface between the case used as cartridge and a drive
   14.1 Capture cylinder
   14.2 Inner dimensions of the case
15 Orientation of the disk in the case
   15.1 Two-sided disk (Type 2S) in case Types 6 and 8
   15.2 One-sided disk (Type 1S) in case Types 7 and 9
Annex A (normative) - Position of the case for 120 mm disk
                        relative to the Reference Planes
Annex B (normative) - Edge distortion test of the case for
                        120 mm disk
Annex C (normative) - Compliance test of the case for 120 mm
                        disk
Annex D (normative) - Position of the case for 80 mm disk
                        relative to the Reference Planes
Annex E (normative) - Edge distortion test of the case for
                        80 mm disk
Annex F (normative) - Compliance test of the case for 80 mm
                        disk
Annex G (normative) - Shutter opening force test of the case
                        for 80 mm disk
Annex H (informative) - Examples of an opening cover for a
                        Type 2 case, a Type 3 case, a Type 4
                        case or a Type 5 case
Annex J (informative) - Connection between disk holder and body
                        of the case for 80 mm disk
Annex K (informative) - Transportation