ISO/IEC INTERNATIONAL STANDARD 16448 Second edition 2002-04-15 Information technology 120 mm DVD - Read-only disk Technologies de I'information Disque DVD de diametre 120 mm - DisqueDvDa lectureseule Reference number ISO/IEC 16448:2002(E) IEC Tso @ISO/IEC2002 Copyright International Organization for Standardization itted without license from IHS Not for Resale ISO/IEC 16448:2002(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the ? ISO/IEC2002 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.ch Printed in Switzerland @ ISO/IEC 2002 - All rights reserved Copyrghtintematinal Oorganization for Standardization itted without license from IHS Not for Resale ISO/IEC 16448:2002(E) Contents Section 1 - General 1 1 Scope 1 2 Conformance 1 2.1 Optical Disk 1 2:2 Generating system 1 2.3 Receiving system 1 3 Normative reference 1 4 Terms and definitions 1 4.1 Adhesive layer 2 4.2 Channel bit 2 4.3 Clamping Zone 22 4.4 Digital Sum Value (DSV) 4.5 Disk Reference Plane 222 4.6 Dual Layer disk 4.7 Dummy substrate 4.8 Entrance surface 222 4.9 Optical disk 4.10 Physical sector number 4.11 Read-only disk 222 4.12 Recorded layer 4.13 Reed-Solomon code 4.14 Reserved field 222 4.15 Sector 4.16 Single Layer disk 4.17 Spacer 2 4.18 Substrate 2 4.19 Track 3 4.20 Track pitch 3 4.21 Zone 3 5 Conventions and notations 3 5.1 Representation of numbers 3 5.2 Names 3 6 List of acronyms 3 7 General description of the disk 4 8 General requirements 5 8.1 Environments 5 8.1.1 Test environment 5 8.1.2 Operating environment 6 8.1.3 Storage environment 6 8.1.4 Transportation 6 8.2 Safety requirements 6 8.3 Flammability 6 9 Reference measurement devices 6 9.1 Pick Up Head (PUH) 6 9.2 Measurement conditions 7 9.3 Normalized servo transfer function 8 ii d by IHS uno ted withoutlicense from IHS Not for Resale ISO/IEC 16448:2002(E) 9.4 Reference Servo for axial tracking 8 9.5 Reference Servo for radial tracking 9 Section 2 - Dimensional, mechanical and physical characteristics of the disk 10 10 Dimensional characteristics 10 10.1 Overall dimensions 10 10.2 First transition area 10 10.3 Second transition area 10 10.4 Clamping Zone 10 10.5 Third transition area 11 10.6 Information Zone 11 10.6.1 Sub-divisions of the Information Zone 11 10.6.2 Track geometry 12 10.6.3 Track modes 12 10.6.4 Channel bit length 12 10.7 Rim area 12 10.8 Remark on tolerances 13 10.9 Runout 13 10.9.1 Axial runout 13 10.9.2 Radial runout 13 10.10 Label 13 11 Mechanical parameters 14 11.1 Mass 14 11.2 Moment of inertia 14 11.3 Dynamic imbalance 14 11.4 Sense of rotation 14 12 Optical parameters 14 12.1 Index of refraction 14 12.2 Thickness of the transparent substrate 14 12.3 Thickness of the spacer of Types C and D 14 12.4 Angular deviation 14 12.5 Birefringence of the transparent substrate 14 12.6 Reflectivity 14 Section 3 - ( Operational Signals 18 13 High frequency signals (HF) 18 13.1 Modulated amplitude 18 13.2 Signal asymmetry 19 13.3 Cross-track signal 19 13.4 Quality of signals 19 13.4.1 Jitter 19 13.4.2 Rando