ISO/IEC INTERNATIONAL STANDARD 29642 Second edition 2009-06-15 Information technology Data interchange on 120 mm and 80 mm optical disk using +Rw DL format Capacity: 8,55 Gbytes and 2,66 Gbytes per side (recording speed 2,4X) Technologies de I'information - Echange de données sur disques optiques de 120 mm et 80 mm utilisant le format +RW DL - Capacité: 8,55 Go et 2,66 Go par face (vitesse d'enregistrement 2,4X) Reference number ISO/IEC 29642:2009(E) IEC @ISO/IEC2009 IHS under ted without license from IHS Not for Resale ISO/IEC 29642:2009(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 file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The IsO Central Secretariat accepts no liability in 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 unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ? ISO/IEC2009 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, 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.org Published in Switzerland @ISO/IEC2009-All rights reserved I without license from IHS Not for Resale ISO/IEC 29642:2009(E) Contents Page Foreword. vili Introduction 1 Scope. 2 Conformance 2.1 Optical disk... 2.2 Generating system.. 2.3 Receiving system... 2.4 Compatibility statement... 3 Normative references ........ 4 Terms and definitions .. 5 Conventions and notations . 5.1 Representation of numbers . 5.2 Names ...... 6 Abbreviated terms ... 7 General description of the optical disk ...... .5 8 General Requirements 8.1 Environments.. 8.1.1 Test environment... 8.1.2 Operating environment.. 8.1.3 Storage environment... 8.1.4 Transportation.... 8.2 Safety requirements .. 8.3 Flammability..... 9 Reference Drive.. 9.1 Optical system .. 9.2 9.3 Read channel 1.. 9.4 Disk clamping.... 9.5 Rotation of the disk .... 10 9.6 Wobble channel (Read channel 2) .... 10 9.7 Tracking channei (Readi cnannei 2) . .10 9.8 Reference servo systems ... 10 9.8.1 Normalized servo transfer function ..... 9.8.2 Reference Servo for Axial Tracking .... .11 9.8.3 Reference Servo for Radial Tracking... 12 10 Dimensional characteristics . .13 10.1 Reference Planes .. .14 10.2 Overall dimensions.. 10.3 First transition area .15 CopyrghtIntemationalOganzatistanardization Allrightsreserved ili Not for Resale ISO/IEC 29642:2009(E) 10.4 Second transition area .... 10.5 Clamping Zone ... 16 10.6 Third transition area .... 16 10.7 Information Zone.... .16 10.7.1 Sub-division of the Information Zone . 17 10.7.2 Track mode.. 10.8 Rim area .. 10.9 Remark on tolerances.. 11 Mechanical characteristics .. ..18 11.1 Mass. .18 11.2 Moment of inertia .. 18 11.3 Dynamic imbalance... 18 11.4 11.4.1 Tracking requirements at the Reference velocity (CLV). 18 11.5 Radial runout........ 19 11.5.1 Tracking requirements at the Reference velocity (CLV) .. 12 OpticalcharacteristicsintheInformationZone.. 19 12.1 Index of refraction ..... 12.2 Thickness of the substrate.... 12.3 Reflectivity.... 12.4 Birefringence. 12.5 Angular deviation .... 21 13 Data format ... 13.1 Data Frames.. 22 13.1.1 22 13.1.2 ID Error Detection Code (IED)... 23 13.1.3 23 13.1.4 Error Detection Code (EDC)... ..23 13.2 Scrambled