INTERNATIONAL STANDARD

ISOIEC 13403

First edition 1995-l 2-15

Information technology - Information interchange on 300 mm optical disk cartridges of the write once read multiple (WORM) type using the CCS method

Technologies de I lsquoinformation - khange drsquoinformation sur cartouches de disque optique de 300 mm de diamampre du type 6criture unique-lecture multiple (WORM) utilisant la mamphode CCS

Reference number lSOIEC 134031995(E)

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ISOIEC 134031995(E)

Contents Page

Section 1 General 1

1 Scope rsquo 1 2Conformance 1 3 Normative references 1 4 Definitions 2

41 42 43 44 45 46 47 48 49 410 411 412 413 414 415 416 417 418 419 421 422 423 424

Case 2 Clamping zone 2 Control track 2 Cyclic redundancy check (CRC) 2 Defects management 2 Disk reference plane 2 Entrance surface 2 Error correction code (ECC) 2 Format 2 Holding feature 2 Interleaving 2 Mark 2 Optical disk 10 2 Optical disk cartridge 2 Recording layer 2 Reed-Solomon code 2 Sector 3 Space 3 Substrate 3 Track 3 Track pitch 3 WORM disk 0 3 Zone 3

5 Conventions 3

51 Representation of numbers 3 52 Names 3

6 Acronyms 7 General description of the optical disk cartridge 4 8 General requirements 4

81 81 1

Environments 4

81 2 Testing environment 4

81 3

Operating environment 4

81 4 Storage environment 5

Transportation 5

0 ISOIEC 1995 All rights reserved Unless otherwise specified 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 permission in writing from the publisher

ISOIEC Copyright Office l Case postale 56 l CH-1211 Geneve 20 l Switzerland Printed in Switzerland

ii

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OISOIEC ISOIEC 134031995(E)

82 Safety requirements 5 83 Flammability 5

9 Reference drive 5

91 92 93 94 95

Optical system 6 Optical beam 6 Read channel 6

6 Tracking 7 Rotation of the disk

Section 2 Mechanical and physical characteristics 8

10 Dimensional and physical characteristics of the case 8

101 102 103

General description of the case 8 Reference planes of the case 8 Dimensions of the case 8

1031 1032 1033 1034 1035 1036 1037 1038

Overall dimensions 8 Location hole 9 Alignment hole 9 Reference surfaces 9 Detents 10 Write-inhibit feature 10 Head and spindle access windows 11 Shutter shutter opener and mis-insert protection feature 11

10381 Shutter 11 10382 Side shutter opener feature 11 10383 Front shutter opener feature 12 10384 Mis-insert protection feature 12

1039 Loading grooves 12 10310 Sensor holes 12 10311 Gripper features 13

103111 Gripper slots 13 103112 Gripper holes 13

10312 Label area 14

104 Mechanical characteristics 14

1041 1042 1043 1044 1045

Material 14 Mass 14 Distortion 14 Compliance 14 Shutter opening force 15

11 Dimensional mechanical and physical characteristics of the disk 15

111 General description of the disk 15 112 Reference axis and plane of the disk 15

111

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ISOIEC 134031995(E) GISOLIEC

113 Dimensions of the disk 15

1131 1132 1133 1134 1135

Centre zone 15 Clamping zone 16 Transition zone 16 Information zone 16 Rim zone 16

114 Mechanical characteristics 16

1141 1142 1143 1144 1145 1146 1147 1148 1149

Material 16 Mass 16 Moment of inertia 16 Imbalance 16 Axial deflection 16 Axial acceleration 17 Radial runout 17 Radial acceleration 17

Tilt 17

115 Optical characteristics 18

1151 1152 1153 1154

Index of refraction 18 Thickness of the substrate 18 Birefiingence 18 Reflectance 18

12 Interface between cartridge and drive 18

121 122 123 124 125

Clamping method 18 Hub 18 Clamping force 19 Capture cylinder 19 Disk position in operating condition 19

Section 3 Format of information 33

13 Track geometry 0 33

131 132 133 134

Track shape 33 Direction of rotation 33 Track pitch 33 Track number 33

14 Track format 33

141 142 143

Track layout 33 Radial alignment 34 Sector number 34

15 Sector format 34

151 152

Sector layout 34 VFO fields 34

1v

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OISOIEC ISOIEC 134031995(E)

153 154 155 156 157 158 159 1510 1511

Address Sync (AS) 35 Address fields 35 Postambles (PA) 35 Mirror Field (MF) 36 Gap 36 Flag (FLG) 36 Laser Power Test field (LPT) 36 Data Sync (DS) 36 Data field 36

15111 User data bytes 37 15112 Address data bytes 37 15113 CRC and ECC bytes 37 15114 Resync bytes 37

1512 Buffer field 37

16 Recording code 37

17 Format

171 172

1721 1722 1723 1724 1725 1726 1727

18 Format

181 182 183 184

of the information zone 38

General description of the Information zone 38 Division of the Information zone 38

Mirror zone 39 PEP Control zone 39 Acquire zone 40 Test zones 40 SFP Control zones 40 Data zone 40 Buffer zone lsquo 40

of the data zone ldquo 40

Defect Management Areas 40 Disk Structure Table (DST) 41 User zone 42 WDL zone 43

19 Defect Management 43

191 192

Media initialization 43 Certification 43

1921 Slipping algorithm 43 1922 Linear replacement algorithm 43

193 194 195 196 197

Disks not certified 44 Write procedure 44 Primary Defect List (PDL) 44 Secondary Defect List (SDL) 45 Working Defect List (WDL) 46

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ISOIEC 134031995(E) QISOIEC

Section 4

20 Method

201 202 2021 2022 2023 2024

203

21 Signals

211 212 213 214 215

22 Signals

221 222

23 Signals 24 Signals

Section 5

25 Method

251 252

2521 2522 2523 2524

253

2531

254

26 Optical

261 262

Characteristics of embossed information 48

of testing 48

Environment 48 Use of the Reference Drive 48 Optics and mechanics 48 Read power 48 Read channels 48 Tracking 48

Definition of signals 49

From grooves 51

Track-cross signal 51 Push-pull signal 51 On-track signal 51 Phase depth 51 Track location 51

from headers 52

VFOlandVFO2lsquo 52 Address Sync Address field and Postamble 52

from embossed recording fields 52 from PEP control zone 53

Characteristcs of the recording layer 54

of testing 54

Environment 54 Reference Drive 54

Optics and mechanics 54 Read power 54 Read channel 54 Tracking 54

Write conditions 54

Write pulse 55

Definition of signals 55

characteristics 56

Baseline reflectivity 56 Uniformity of reflectivity 56

vi

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OISOLIEC ISOIEC 134031995(E)

27 Read and write characteristics 56

271 Sensitivity of the recording layer 56

2711 2712 2713 2714

Optical conditions 56 Write power and writing conditions 56 Characteristics of the written marks 56 Definition and measurement conditions 57

272 Read characteristics 57

2721 2722 2723 2724 2725 2726

Optical conditions 57 Read power 57 Reflectivity characteristics 57 Carrier-to-noise ratio 57 Cross-talk 58 Timing jitter 58

Section 6 Characteristics of user data 59

28 Method of testing 59

281 282

Environment 59 Reference Drive 59

2821 2823 2824 2825 2826 2827 2828

Optics and mechanics 59 Read amplifiers 59 Analog-to-binary converters 59 Data clock 59 Binary-to-digital conversion 59 Error correction rsquo 60 Tracking 60

29 Minimum quality of a sector 60

291 292

Address fields 60 User-written data 60

3 0 Data interchnage requirements 60

301 302 303

Tracking 60 User-written data 60 Quality of disk 60

Annexes

A

B

C

D

Distortion test 61

Compliance test 63

Track deviation measurement 64

CRC for address fields 68

vii

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ISOIEC 134031995(E) GISOIEC

E

F

G

H

J

K

L

M

N

Interleave CRC ECC and Resync for the data fields of a sector 69

PEP control zone 73

Control data of the SFP - 78

Guidelines for sector replacement 83

Test method for the holding characteristics of the disk 84

Derivation of the operating climatic environment for the ODC 86

Description of the office environment 90

Transportation guidelines 91

Timing jitter measurement 92

Vlll

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OISOIEC ISOIEC 13403 1995(E)

Foreword

IS0 (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization National bodies that are members of IS0 or IEC par- ticipate in the development of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity IS0 and IEC technical committees collaborate in fields of mutual interest Other international organizations governmental and non-governmental in liaison with IS0 and IEC also take part in the work

In the field of information technology IS0 and IEC have established a joint technical committee ISOIEC JTC 1 Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting Publication as an International Standard requires approval by at least 75 of the national bodies casting a vote

International Standard ISOIEC 13403 was prepared by Joint Technical Committee ISOIEC JTC 1 Information technology Subcommittee SC 23 Optical disk cartridges for information interchange

Annexes A to G and J form an integral part of this International Standard Annexes H and K to N are for infor- mation only

ix

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This page intentionally left blank

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INTERNATIONAL STANDAFW OISOIEC ISOIEC 134031995(E)

Information technology - Information interchange on 300 mm optical disk cartridges of the write once read multiple (WORM) type using the CCS method

Section 1 General

1 Scope

This International Standard specifies the characteristics of 300 mm optical disk cartridges DC) of the WORM type providing for embossed information and for data to be written once and read multiple times

It specifies

- the conditions for conformance testing and the reference drive

- the mechanical and physical characteristics of the cartridge so as to provide mechanical interchangeability between data processing systems

- the format of the information on the disk both embossed and user-written

- the characteristics of the embossed information on the disk

- the optical characteristics of the disk enabling processing systems to write data onto the disk

disk the minimum quality of user-written data on the disk enabling data processing syskms to read data from the

Together with the standard for Volume and File Structure this International Standard provides for full data interchange between data processing systems Interchange involves the ability to write and read data without introducing any error

2 Conformance

A 300 mm optical disk cartridge is in conformance with this International Standard if it meets all mandatory requirements specified herein

A drive claiming conformance with this International Standard shall be able in the operating environment to write on any optical disk cartridge which is in conformance with this International Standard and to read any such optical disk cartridge which has been written with any drive in conformance with this International Standard

A drive shall not claim conformance if it cannot accept the full range of media conforming to this International Standard

3 Normative references

The following standards contain provisions whichthrough reference in this text constitute provisions of this International Standard At the time of publication the editions indicated were valid All standards are subjected to revision and parties to agreements based on this International Standard are encouraged to investigate the possibility

1

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ISOIEC 134031995(E) QISOIEC

of applying the most recent editions of the standards indicated below Members of IEC and IS0 maintain registers of currently valid International Standards

IEC 950 1991 Safety of information technology equipment including electrical business equipment

IEC 72 I-3-3 1994 Classification of environmental conditions - Part 3 Classification of groups of environmental parameters and their severities Section 3 Stationary use at weatherprotected locations

4 Definitions

For the purposes of this International Standard the following definitions apply

41 case The housing for an optical disk that protects the disk and facilitates disk interchange

42 Clamping Zone The annular part of the disk within which the clamping force is applied by the clamping device

43 Control Track A track containing the information on media parameters and format necessary for writing and reading the remaining tracks on the optical disk

44 Cyclic Redundancy Check (CRC) A method for detecting errors in data

45 Defect Management A method for handling defective areas on the disk

46 Disk Reference Plane A plane defined by the perfectly flat annular surface of an ideal spindle on to which the clamping zone of the disk is clamped and which is normal to the axis of rotation

47 entrance surface The surface of the disk on to which the optical bear-n first impinges

48 Error Correction Code (ECC) An error detecting code designed to correct certain kinds of errors in data

49 format The arrangement or layout of information on the disk

410 holding feature The central feature on the disk which interacts with the spindle of the disk drive to provide the radial centring and the clamping force

411 interleaving The process of allocating the physical sequence of units of data so as to render the data more immune to burst errors

412 mark A feature of the recording layer which may take the form of a hole a pit a bubble or any other type of form that can be sensed by the optical system The pattern of boundaries between marks and spaces represents the data on the disk

413 optical disk A disk that be read with an optical beam

will accept and retain information in the form of marks ina recording layer that can

414 optical disk cartridge (ODC) A device consisting of a case containing an optical disk

415 recording layer A layer of the disk on or in which data is written during manufacture andor use

416 Reed-Solomon code An error detection andor correction code which is paramphrly suited to the co~ection of errors which occur in bursts or are strongly correlated

2

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OISOIIEC ISOIEC 134031995(E)

417 sector The smallest addressable part of a track in the Information zone of a disk that can be accessed independently of other addressable parts of the zone

418 space A feature of the recording layer which takes no deformation by a hole a pit a bubble or any other type of form that can be sensed by the optical system The pattern of boundaries between marks and spaces represents the data on the disk

419 spindle The part of the disk drive which contacts the holding feature

420 substrate A transparent layer of the disk provided for mechanical support of the recording layer through which the optical beam accesses the recording layer

421 track The path which is to be followed by the focus of the optical beam during one revolution of the disk

422 track pitch The distance between adjacent track centrelines measured in a radial direction

423 WORM disk An optical disk in which the data in specified areas can be written only once and read multiple times by an optical beam

424 Zone An annular area of the disk

5 Conventions

51 Representation of numbers

- A measured value is rounded off to the least significant digit of the corresponding specified value It implies that a specified value of 126 with a positive tolerance of +OO 1 and a negative tolerance of -002 allows a range of measured values from 1235 to 1275 but not including 1275

Letters and digits in parentheses represent numbers in hexadecimal notation

- The setting of a bit is denoted by ZERO or ONE

- Numbers in binary notation and bit combinations are represented by strings of ZEROS and ONES

- Numbers in binary notation and bit combinations are shown with the most significant bit to the left

- Negative values of numbers in binary notation are given in TWOrsquos complement

- In each field the data is recorded so that the most significant byte (byte 0) is recorded first Within each byte the least significant bit is numbered 0 and is recorded last the most significant bit (numbered 7 in an S-bit byte) is recorded first This order of recording applies also to the data input of the Error Detection and Correction circuits and to their output

52 Names

The names of entities eg specific tracks fields etc are given with a capital initial

6 Acronyms

AS Address Sync ccs Continuous Composite Servo (tracking method)

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