ISO/IEC 17342:2004

INTERNATIONAL ISO/IEC
STANDARD 17342
First edition
2004-07-15
Information technology — 80 mm
(1,46 Gbytes per side) and 120 mm
(4,70 Gbytes per side) DVD re-recordable
disk (DVD-RW)
Technologies de l'information — Disque DVD réenregistrable
(DVD-RW) de 80 mm (1,46 Go par face) et 120 mm (4,70 Go par face)

Reference number
©
ISO/IEC 2004
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©  ISO/IEC 2004
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ii © ISO/IEC 2004 – All rights reserved

Contents Page
Foreword. vii
Section 1 - General . 1
1 Scope . 1
2 Conformance . 1
2.1 Optical Disk. 1
2.2 Generating system. 1
2.3 Receiving system. 2
3 Normative references . 2
4 Terms and definitions . 2
5 Conventions and notations . 4
5.1 Representation of numbers . 4
5.2 Names. 5
6 Acronyms . 5
7 General description of the disk. 6
8 General requirement.7
8.1 Environments . 7
8.1.1 Test environment . 7
8.1.2 Operating environment. 7
8.1.3 Storage environment.7
8.1.4 Transportation. 8
8.2 Safety requirements . 8
8.3 Flammability . 8
9 Reference measurement devices . 8
9.1 Pick-Up Head (PUH).8
9.1.1 PUH for measuring recorded disks . 8
9.1.2 PUH for measuring unrecorded disks . 9
9.2 Measurement conditions . 11
9.2.1 Recorded and unrecorded disk. 11
9.2.2 Recorded disk . 11
9.2.3 Unrecorded disk. 11
9.3 Normalized servo transfer function. 11
9.4 Reference servo for axial tracking. 11
9.5 Reference servo for radial tracking . 12
Section 2 - Dimensional, mechanical and physical characteristics of the disk . 13
10 Dimensional characteristics (figures 6, 7 and 8). 13
10.1 Overall dimensions (figure 6) . 15
10.2 First transition area (figure 6). 15
10.3 Second transition area (figure 6) . 15
10.4 Clamping Zone (figure 6) . 16
10.5 Third transition area (figure 6) . 16
10.6 R-Information Zone (figure 6). 16
10.6.1 Sub-divisions of the R-Information Zone. 16
10.7 Information Zone (figure 6) . 16
10.7.1 Sub-divisions of the Information zone . 16
10.8 Track geometry. 17
10.9 Channel bit length. 17
© ISO/IEC 2004 – All rights reserved iii

10.10 Rim area (figure 7).17
10.11 Remark on tolerances.18
10.12 Label.18
11 Mechanical parameters .18
11.1 Mass.18
11.2 Moment of inertia.18
11.3 Dynamic imbalance .18
11.4 Sense of rotation.19
11.5 Runout .19
11.5.1 Axial runout.19
11.5.2 Radial runout.19
12 Optical parameters.19
12.1 Recorded and unrecorded disk parameters .19
12.1.1 Index of refraction.19
12.1.2 Thickness of the transparent substrate .19
12.1.3 Angular deviation.20
12.1.4 Birefringence of the transparent substrate.20
12.2 Recorded disk reflectivity.20
12.3 Unrecorded disk parameters .21
12.3.1 Polarity of reflectivity modulation .21
12.3.2 Recording power sensitivity variation.21
Section 3 - Operational signals.21
13 Operational signals for recorded disk.21
13.1 Measurement conditions.21
13.2 Read conditions.21
13.3 Recorded disk high frequency (HF) signals.21
13.3.1 Modulated amplitude (figure 10) .21
13.3.2 Signal asymmetry.22
13.3.3 Cross-track signal .22
13.4 Quality of signals.22
13.4.1 Jitter .22
13.4.2 Random errors.22
13.4.3 Defects .22
13.5 Servo signals.23
13.5.1 Differential phase tracking error signal.23
13.5.2 Tangential push-pull signal .23
13.6 Groove wobble signal .
...