ISO/IEC INTERNATIONAL STANDARD 13481 First edition 1993-12-15 Information technology Data interchange on 130 mm optical disk cartridges Capacity: 1 gigabyte per cartridge disque optique de diametre 130 mm - Capacité:1gigabyte par cartouche IE( Tso Reference number ISO/IEC13481:1993(E) Copyright Intermational Organization for Standardization d byIHS rmitted without license from IHS Not for Resale ISO/IEC 13481:1993 (E) Contents Page Section 1 - General 1 1 Scope 1 2 Conformance 2.1 Optical Disk Cartridges 1 2.2 Generating System 1 2.3 Receiving System 1 3 Normative references 2 4 Definitions 2 4.1 case 2 4.2 Cyclic Redundancy Check (CRC) 2 4.3 embossed mark 2 4.4 entrance surface 2 4.5 Error Correction Code (ECC) 2 4.6 field 2 4.7 format 2 4.8 groove 2 4.9 interleaving 2 4.10 Kerr rotation 2 4.11 land and groove 2 4.12 mark 2 4.13 optical disk 2 4.14 optical disk cartridge (ODC) 2 4.15 polarization 2 4.16 recording layer 2 CISO/IEC1993 All rights reserved. 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 per mission in writing from the publisher Printed in Switzerland No reproduction or networking permited without license from IHS Not for Resale ISO/IEC 13481:1993 (E) 2 4.17 Reed-Solomon code 4.18 rewritable optical disk 2 4.19 sector 2 2 4.20 substrate 4.21 track 3 4.22 write-once functionality 3 4.23 zone 3 5 3 Conventions and notations 5.1 Representation of numbers 3 5.2 Names 3 6 3 List of acronyms 7 General description of the optical disk cartridge 4 8 General requirements 4 8.1 Environments 4 8.1.1 Testing environment 4 Operating environment 4 8.1.2 8.1.3 Storage environment 5 5 8.1.4 Transportation 5 8.2 Temperature shock 8.3 Safety requirements 5 5 8.4 Flammability 9 5 Reference drive 9.1 Opticai sysiem 5 9.2 Optical beam 7 9.3 7 Read channels 9.4 Tracking 7 9.5 Rotation of the disk 7 Section 2 - Mechanical and physical characteristics 8 8 10 Dimensions and mechanical characteristics of the case 10.1 General 8 10.2 Case drawings 8 10.3 8 Sides, reference axes and reference planes 10.3.1 Relationship of Sides A and B 8 8 10.3.2 Reference axes and case reference planes ii or Standardizatior Not for Resale 8 10.4 Materials 9 10.5 Mass 10.6 Overall dimensions 9 10.7 9 Location hole 10.8 Alignment hole 10 10.9 Surfaces on reference planes P 10 10.10 Insertion slots and detent features 11 11 10.11 Gripper siots 12 10.12 Write-inhibit holes 10.13 Media sensor holes 12 13 10.14 Head and motor window 13 10.15 Shutter 10.16 Slot for shutter opener 13 10.17 Shutter sensor notch 14 10.18 User label areas 14 11 15 Dimensional and physical characteristics of the disk 11.1 Dimensions of the disk 15 15 11.1.1 Outer diameter Thickness 15 11.1.2 Clamping zone 15 11.1.3 11.1.4 Clearance zone 15 11.2 Mass 15 Moment of inertia 15 11.3 11.4 Imbaiance 15 11.5 Axial deflection 15 11.6 Axial acceleration 15 11.7 Dynamic radial runout 15 11.8 Radial acceleration 16 11.9 Tilt 16 12 Drop test 16 13 Interface between disk and drive 16 16 13.1 Ciamping technique 13.2 Dimensions of the hub 16 13.2.1 Outer diameter of the hub 16 13.2.2 Height of the hub 16 13.2.3 Diameter of the centre hole 16 13.2.4 Height of the top of the centre hole at diameter Dg 16 iv Copyright Internatinal Organizatin for Standardizatin No reproduction or networking permited without license from IHS Not for Resale 16 13.2.5 Centring length at diameter Dg Chamfer at diameter Dg 17 13.2.6 Chamfer at diameter Dg 17 13.2.7 Outer diameter of the magnetizable ring 17 13.2.8 17 13.2.9 Inner diameter of the magnetizable ring 13.2.10 Thickness of the magnetizable material 17 13.2.11 Position of the top of the magnetizable ring relative to the disk reference plane 17 13.3 Magnetizable material 17 13.4 Clamping force 17 13.5 Capture cylinder for the hub 17 13.6 Disk position in the operating condition 18 14 Characteristics of the substrate 33 14.1 Index of refraction