INTERNATIONAL ISO/IEC STANDARD 10090 First edition 1992-10-15 Information technology 90 mm optical disk cartridges, rewritable and read only. for data interchange Technologies de I'information --- Cartouches pour disques optiques de diametre 9o mm, réinscriptibles et a lecture unique, pour échange de données Reference number ISO/IEC 10090:1992(E) Copyright International Organization for Standardization nitted without license from IHS Not for Resale ISO/IEC 10090:1992 (E) Contents Page 1 Section 1 - General 1 Scope 2 1 Conformance 3 Normative reference 1 1 4 Definitions 4.1 1 case 4.2 cyclic redundancy check (CRC) 2 2 4.3 embossed mark 4.4 entrance surface 2 4.5 2 error correction code (ECC) 4.6 field 2 4.7 2 4.8 groove 2 2 4.9 interleaving 4.10 2 Kerr rotation 4.11 2 land and groove 4.12 2 mark 4.13 2 optical disk 4.14 optical disk cartridge (ODC) 2 2 4.15 polarization 4.16 recording layer 2 Reed-Solomon code 2 4.17 4.18 rewritable optical disk 2 4.19 2 sector 4.20 2 substrate 4.21 track 2 4.22 zone 2 5 3 Conventions and notations 5.1 3 Representation of numbers 5.2 Names 3 3 6 List of acronyms 3 7 General description of the optical disk cartridge ISO/IEC 1992 All rights reserved. No part of this pubication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without per- mission in writing from the publisher. ISO/IEC Copyright Office · Case Postale 56 · CH-1211 Geneve 20 · Switzerland Printed in Switzerland Copyright International Organization for Standardization Not for Resale working permitted without license from IHS ISO/IEC 10090:1992 (E) 4 8 General requirements 4 8.1 Environments 4 8.1.1 Testing environment 4 8.1.2 Operating environment 5 8.1.3 Storage environment 5 8.1.4 Transportation 5 8.2 Temperature shock 5 8.3 Safety requirements 5 8.4 Flammability 5 9 Reference Drive 5 9.1 Optical system 7 9.2 Optical beam 7 9.3 Read channels 7 9.4 Tracking 7 9.5 Rotation of the disk 8 Section 2 - Mechanical and physical characteristics 8 10 Dimensional and physical characteristics of the case 8 10.1 General description of the case 8 10.2 Reference planes of the case 8 10.3 Dimensions of the case 8 10.3.1 Overall dimensions 9 10.3.2 Location hole 9 10.3.3 Alignment hole 9 10.3.4 Reference surfaces 10 10.3.5 Detents 10 10.3.6 Functional Areas 11 10.3.7 Spindle and head windows 12 10.3.8 Shutter 13 10.3.9 Path for shutter opener and shutter sensor notch 13 10.3.10 Mis-insert protections 14 10.3.11 Gripper slots 14 10.3.12 Label area 14 10.4 Mechanical characteristics 14 10.4.1 Material 15 10.4.2 Mass 15 10.4.3 Edge Distortion 15 10.4.4 Compliance 15 10.4.5 Shutter opening force 27 11 Dimensional, mechanical and physical characteristics of the disk 27 11.1 General description of the disk 27 11.2 Reference axis and plane of the disk 28 11.3 Dimensions of the disk 28 11.3.1 Hub dimensions I!! Copyrihtlnterational rganizatin for Standardizatin Not for Resale No reproductio e from IHS