ISO/IEC INTERNATIONAL STANDARD 11319 First edition 1993-07-15 Information technology 8 mm wide magnetic tape cartridge for information interchange --- Helicai scan recording Technologies de I'information -- Cartouche pour bande magnetique de 8 mm de large pour I'échange d'information - Enregistrement par balayage helicoidal Referencenumber ISO/IEC11319:1993(E) Copyright Intermational Organization for Standardization hitted without license from IHS Not for Resale ISO/IEC 11319:1993(E) Contents Page Section 1 : General 1 1 Scope 1 2 Conformance 1 3 Normative references 1 4 Definitions 1 4.1 AC erase 1 4.2 Average Signal Amplitude 1 4.3 azimuth 1 4.4 back surface 1 4.5 bit cell 1 4.6 hyte 1 4.7 cartridge 1 4.8 Cyclic Redundancy Check(CRC)Character 1 4.9 Error Correcting Code (ECC) 2 4.10 flux transition position 2 4.11 flux transition spacing 2 4.12 magnetic tape 2 4.13 Master Standardt Reference Tape 2 4.14 Physical Beginning of Tape (PBOT) 2 4.15 Physical End of Tape (PEOT) 2 4.16 physical recording density 2 4.17 Secondary Reference Amplitude 2 4.18 Secondary Reference Field 2 4.19 Secondary Standard Reference Tape 2 4.20 Standard Reference ('urrent (Ir) 2 4.21 Tape Reference Hdge 2 4.22 'Test Recording Current 2 4.23 tone 2 4.24 track 2 4.25 Typical Field 2 ISO/IEC 1993 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. ISO/IEC Copyright Office · Case Postale 56 · CH-1211 Geneve 20 · Switzerland Printed in Switzerland No reproo d without license from IHS Not for Resale ISO/IEC 11319:1993(E) 5 Environment and safety 2 5.1 Testing environment 3 5.2 Operating environment 3 5.3 Storage environment 3 5.4 Transportation 3 5.5 Safety 3 5.6 Fiammability 3 3 Section 2 : Requirements for the case 9 Dimensional and mechanical characteristics of the case 3 6.1 General 3 6.2 Overaill dimension ( figure 3 ) 4 6.3 Holding areas 4 6.4 Cartridge insertion s 6.5 Window (figure 1) 6.6 Loading grips ( figure 3 ) 6 6.7 Label areas ( figure 3 ) 6 6.8 Datum areas and datum holes ( figures 4, 5 and 6 ) 6 6.9 Support areas 7 6.10 Recognition holes ( figures 5, 6 and 7) 7 6.11 Write-inhibit Hole ( figures 6 and 7 ) 8 6.12 Pre-positioning surfaces ( figures 3 and 5) 8 6.13 Cartridge lid ( figures 3 and 8 ) 9 6.14 Cartridge reel lock ( figure 11 ) 10 6.15 Reel access holes ( figure S ) 11 6.16 Interface between the reeis and the drive spindles ( figures 17 and 18 ) 11 6.17 Light path ( figures 5, 7, 15 and 16 ) 12 6.18 Position of the tape in the case ( figure 16 ) 12 6.19 Tape path zone ( figures 16 and 17 ) 13 6.20 Tape access cavity ( figure 5 ) 13 6.21 Tape access cavity clearance requirements ( figure 19 ) 13 Section 3 : Requirements for the unrecorded tape 31 7 Mechanical, physical and dimensional characteristics of the tape 31 7.1 Materials 31 7.2 Tape iength 31 7.2.1 Length of magnetic tape 31 7.2.2 Length of ieader and trailer tapes 31 7.2.3 31 Splicing tape Width 31 7.3 31 7.4 Discontinuities 7.5 Thickness 31 7.5.1 Thickness of magnetic tape 31 7.5.2 Thickness of leader and trailer tape 31 ili for Standardization Not for Resale