FINAL INTERNATIONAL ISO/IEC DRAFT FDIS STANDARD 30193 ISO/IECJTC1/SC23 Information technology - Digitally Secretariat: JISC recorded media for information Voting begins on: interchange and storage - 120 mm 2021-09-10 triple layer (100,0 GB per disk) BD Votingterminates on: 2021-11-05 rewritable disk Technologiesde I'information-Supports enregistrés numeriquementpouréchangeetstockagedinformation Disques BD reinscriptibles de 120 mm triple couche (100,0 Go par disque) RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT, WITH THEIR COMMENTS, NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH THEY AREAWAREAND TO PROVIDESUPPORTING DOCUMENTATION. IN ADDITION TO THEIR EVALUATIONAS Reference number BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO- IEC IS0/IECFDIS30193:2021(E) LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT INTERNATIONAL STANDARDS MAY ON OCCASION HAVE TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL TO BECOME STAN- @IS0/IEC2021 NATIONAL REGULATIONS IS0/IECFDIS30193:2021(E) COPYRIGHTPROTECTEDDOCUMENT IS0/IEC2021 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting below or Iso's memberbody in the country ofthe requester. ISO copyright office CP 40i : Ch.de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22.749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0/IEC 2021 - All rights reserved IS0/IECFDIS30193:2021(E) Contents Page Foreword .ix Introduction. 1 Scope. 2 Normative references 3 Terms and definitions 4 Symbols and abbreviated terms 5 Conformance ..8 5.1 Optical disk. .8 5.2 Generating system. 5.3 Receiving system. .8 5.4 Compatibilitystatement .8 6 Conventions and notations 6.1 Levels of grouping .8 6.2 Representation ofnumbers 6.3 Integer calculus.. .10 7 General description of disk .10 8 General requirements. ..11 8.1 Environments. ..11 8.1.1 Test environment ..11 8.1.2 Operating environment ..12 8.1.3 Storage environment. .13 8.1.4 Transportation. ..14 8.2 Safety requirements. .14 8.3 Flammability .14 Reference drive ..15 9 9.1 General. .15 9.2 Measurement conditions. ..15 9.3 Optical system ..15 9.4 Opticalbeam .16 9.5 HF read channel. .16 9.6 Radial PP read channel .17 9.7 Disk clamping. ..17 9.8 Rotationofdiskandmeasurementvelocity .17 9.9 Normalized servo transfer function. .18 9.10 Measurement velocities and reference servosfor axial tracking .18 9.10.1 General. ..18 9.10.2 Referenceservofor axial trackingfor1xmeasurementvelocity .19 9.10.3 Reference servofor axial trackingfor 2xmeasurementvelocity .20 9.11 Measurement velocities and reference servos for radial tracking. 21 9.11.1 General 21 9.11.2 Reference servo for radial tracking for 1x measurement velocity 21 9.11.3 Reference servo for radial trackingfor 2x measurement velocity .23 10 Dimensionalcharacteristics .24 10.1 General 24 10.2 Disk reference planes and reference axis .24 10.3 Overall dimensions. 26 10.4 First transition area .26 10.5 Protection ring ..26 10.6 Clamping zone .26 10.7 Second transition area .27 @ IS0/IEC 2021 - All rights reserved iii