ISO/IEC 30191:2021

INTERNATIONAL ISO/IEC
STANDARD 30191
Third edition
Information technology — Digitally
recorded media for information
interchange and storage — 120 mm
Triple Layer (100,0 Gbytes single
sided disk and 200,0 Gbytes double
sided disk) and Quadruple Layer
(128,0 Gbytes single sided disk) BD
Recordable disk
Technologies de l'information — Supports enregistrés
numériquement pour échange et stockage d'information — 120 mm
de couche triple (100,0 Go disque unique face et 200,0 Go disque
double face) et quadruple couche (128,0 Go disque unique face) sur
disque enregistrable BD
PROOF/ÉPREUVE
Reference number
ISO/IEC 30191:2020(E)
©
ISO/IEC 2020

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ISO/IEC 30191:2020(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO/IEC 2020
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
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
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Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii PROOF/ÉPREUVE © ISO/IEC 2020 – All rights reserved

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ISO/IEC 30191:2020(E)

Contents Page
Foreword .xi
Introduction .xii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Symbol and abbreviated terms . 2
5 Conformance . 3
5.1 Optical disk . 3
5.2 Generating system. 4
5.3 Receiving system . 4
5.4 Compatibility statement . 4
6 Convention and notations . 4
6.1 Levels of grouping . 4
6.2 Representation of numbers . 4
6.3 Integer calculus . 6
7 General description of disk . 6
8 General requirements . 8
8.1 Environments . 8
8.1.1 Test environment . 8
8.1.2 Operating environment . 8
8.1.3 Storage environment . 9
8.1.4 Transportation .10
8.2 Safety requirements .10
8.3 Flammability .11
9 Reference drive .11
9.1 General .11
9.2 Measurement conditions . .11
9.3 Optical system .11
9.4 Optical beam .12
9.5 HF read channel .13
9.6 Radial PP read channel .14
9.7 Disk clamping .14
9.8 Rotation of disk and measurement velocity .14
9.9 Normalized servo transfer function.15
9.10 Measurement velocities and reference servos for axial tracking .15
9.10.1 General.15
9.10.2 Reference servo for axial tracking at 1x measurement velocity .16
9.10.3 Reference servo for axial tracking at 2x measurement velocity .17
9.11 Measurement velocities and reference servos for radial tracking .18
9.11.1 General.18
9.11.2 Reference servo for radial tracking at 1x measurement velocity .18
9.11.3 Reference servo for radial tracking at 2x measurement velocity .20
10 Dimensional characteristics .21
10.1 General .21
10.2 Disk reference planes and reference axis.22
10.3 Overall dimensions .23
10.4 First transition area .23
10.5 Protection ring .24
10.6 Clamping zone .24
10.7 Second transition area .24
© ISO/IEC 2020 – All rights reserved PROOF/ÉPREUVE iii

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ISO/IEC 30191:2020(E)

10.8 Information area .24
10.8.1 General.24
10.8.2 Subdivision of information zone on TL disk .25
10.8.3 Subdivision of information zone on QL disk .26
10.9 Rim area .28
11 Mechanical characteristics .28
11.1 Mass .28
11.2 Moment of inertia .28
11.3 Dynamic imbalance .28
11.4 Axial runout .29
11.4.1 General.29
11.4.2 Residual axial tracking error for 1x measurement velocity .29
11.4.3 Residual axial tracking error for 2x measurement velocity .29
11.5 Radial runout .30
11.5.1 General.30
11.5.2 Residual radial tracking error on 1x measurement velocity .30
11.5.3 Residual radial tracking error on 2x measurement velocity .30
11.6 Durability of cover layer .31
11.6.1 Impact resistance of cover layer .31
11.6.2 Scratch resistance of cover layer .31
11.6.3 Repulsion of fingerprints by cover layer .31
12 Optical characteristics in information area .31
12.1 General .31
12.2 Refractive index of the transmission stacks (TS) .31
12.3 Thickness of transmission stacks (TS) .31
12.3.1 Thickness of transmission stack of TL disks .31
12.3.2 Example of target thickness of spacer layers for TL disks .32
12.3.3 Thickness of transmission stacks of QL disks .33
12.3.4 Example of target thickness of spacer layers for QL disks .34
12.4 Reflectivity of recording layers .36
12.5 Birefringence .37
12.6 Angular deviations .37
13 Data format .38
13.1 General .38
13.2 Data frame .40
13.3 Error detection code (EDC) .40
13.4 Scrambled data frame .41
13.5 Data block .41
13.6 LDC block .42
13.7 LDC code words .43
13.8 LDC cluster .44
13.8.1 General.44
13.8.2 First interleaving step .44
13.8.3 Second interleaving step .44
13.9 Addressing and control data .46
13.9.1 General.46
13.9.2 Address units .46
13.9.3 User control data .51
13.9.4 Byte/bit assignments for user control data .51
13.10 Access block .53
13.11 BIS block .53
13.12 BIS code words .54
13.13 BIS cluster .55
13.14 ECC cluster .58
13.15 Recording frames .59
13.16 Physical cluster .60
13.17 17PP modulation for recordable data .60
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ISO/IEC 30191:2020(E)

13.17.1 General.60
13.17.2 Bit conversion rules .60
13.17.3 dc-control procedure .61
13.17.4 Frame sync .61
13.18 Modulation and NRZI conversion .63
14 Physical data allocation and linking .63
14.1 General .63
14.2 Recording unit block (RUB) .64
14.2.1 General.64
14.2.2 Data run-in .64
14.2.3 Data run-out . .65
14.2.4 Guard_3 field . . .66
14.3 Locating data relative to wobble addresses .67
15 Track format .67
15.1 General .67
15.2 Track shape .67
15.3 Track path .69
15.4 Track pitch .69
15.4.1 Track pitch in zone reserved for BCA .69
15.4.2 Track pitch in embossed HFM area . .69
15.4.3 Track pitch in recordable areas .70
15.4.4 Track pitch between embossed HFM area and recordable area .70
15.5 Track layout of HFM groove .70
15.5.1 General.70
15.5.2 Data format .71
15.5.3 Addressing and control data .72
15.5.4 Recording frames .75
15.6 Track layout of wobbled grooves .77
15.6.1 General.77
15.6.2 Modulation of wobbles .78
15.6.3 Wobble polarity .79
15.7 ADIP information .79
15.7.1 General.79
15.7.2 ADIP unit types.80
15.7.3 ADIP word structure .81
15.7.4 ADIP data structure .82
15.7.5 ADIP error correction .86
15.8 Disk information in ADIP aux frame .88
15.8.1 General.88
15.8.2 Error protection for disk information aux frames .89
15.8.3 Disk information data structure .90
16 General description of information zone.137
16.1 General .137
16.2 Format of information zone on triple-layer disk .137
16.3 Format of information zone on quadruple-layer disk .137
17 Layout of recordable area of information zon
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