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3 INTERNATIONAL STANDARD ISO/IEC First edition Information technology - Interchange on 300 mm Optical disk cartridges of the write once, read multiple (WORM) type using the SSF method Technologies de I informa tion - lkhange sur cartouches de disque optique de 300 mm de diametre du type &riture unique-lecture multiple (WORM) utilisant Ia methode SSF ISO/1 EC 13614: 1995(E)

4 l l NEN-ISO/IEC 13614:1996 en ISO / IEC : 1995 (E) Contents Page Foreword,..,,,...,,...,...~.,... ix Section 1 - General * Scope ~ Conformance...~ Normative references * Definition case... 2 clamping zone... 2 Control Track... 2 Cyclic Redundancy Check... 2 defects management Disk Reference Plane entrance surface Error Correction Code (ECC) format Frame holding feature interleaving mark Optical disk Optical disk cartridge recording layer Reed-Solomon code sector space spindle ISO/IEC 1995 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronie or mechanical, including photocopying and microfilm, without Permission in writing from the publisher. ISO/IEC Copyright Office l Case postale 56 l CH-1211 Geneve 20 l Switzerland Printed in Switzerland ii

5 0 ISO/IEC ISO/IEC 13614:1995 (E) 421 4'22 4'23 su bstrate... 3 track... 3 track pitch '24 WORM disk '25 Zone... 3 Conventions Representation of numbers Names... 4 Acronyms... 4 General description of the Optical disk cartridge... 5 General requirements Environments '1. 1 Testing environment '12. Operating environment '13. Storage environement '1.. 4 Transportation Safety requirements Flammability... 6 Reference drive Optical System Optical beam Read channels Tracking Rotation of the disk... 8 Section 2 - Mechanical and physical characteristics Dimensional and physical characteristics of the case d General description of the case '2. Reference planes of the case., Dimensions of the case..*..., '31. 10'32. 10'33. IO ' '37. Overall dimensions ~ Location hole..,...,...,...* Alignment hole...* Reference surfaces Detents Write-inhibit feature Head and spindle access windows '38.. Shutter, shutter openers and mis-insert protection feature Ill

6 ISO/IEC13614:1995(E) 0 ISO/IEC Shutter Side shutter opener feature Front shutter opener feature Mis-insert protection feature Loading grooves Sensor holes Gripper features Gripper Slots Gripper holes Label area Mechanical characteristics Material Mass Distortion Compliance Shutter opening forte Dimensional, mechanical and physical characteristics of the disk...~..*...~.~...~...~~..~...~..~...,,,,,..~~...,.,...~ General description of the disk Reference axis and plane of the disk Dimensions of the disk Centre zone Clamping zone Transition zone Information zone Rim zone Mechanical characteristics Material Mass Moment of inertia Imbalance Axial defection Axial acceleration Radial runout Radial acceleration I Tilt Optical characteristics Index of refraction iv

7 0 ISO/IEC ISO/IEC13614:1995 (E) Thickness of the Substrate Birefringence Reflectance Interface between cartridge and drive Clamping method '2 Hub Clamping forte ' Capture cylinder Disk Position in Operation condition Sectioni- Formatofinformation Track geometry Track shape '2 Direction of rotation '3 13'4 Track pitch Track number Track format Track layout '2... Direction of rotation Seetor number Frame and sector format Frame format '1. 1 Servo-and-address field Address field ' Servo field '1. 2 Data area Gaps ' Starting Pattern Closure Pattern Data '1. 3 Physical representation of the marks '2 Seetor format '21. Gaps '22. Laser Power Test field '23. VFO field '24 Data field Recording Format of the information zone General description of the information zone... 50

8 ISO/IEC13614:1995 (E) 0 ISOAEC 17.2 Division of the information zone PEP control zone System zone Test zones SFP control zones Data Zone Buffer Zone Format of the data zone Defect management Hash code replacement algorithm Write procedure Section 4 - Characteristics of embossed pre-formatted information Method of testing Environment Reference drive Optics and mechanics Read power Read channel Tracking Definition of Signals Signals from grooves Phase depth Track location Signals from servo-and-address fields Signals from embossed data fields Signals from PEP control zone Sectisn 5 - Characteristics of the recording layer Method of testing Environment Reference drive Optics and mechanics Read power Read power Tracking Write conditions Write pulse Definition of Signals Optical characteristics vi

9 0 ISO/IEC ISO/IEC13614:1995 (E) '2. Uniformity Baseline reflectivity of reflectivity Read and write characteristics Sensitivity of the recording layer '1. 1 Optical conditions '1. 2 Write power and writing conditions '1. 3 Characteristics of the written marks '1. 4 Definition and measurement conditions '2 Read characteristics '2. 1 Optical conditions '22. Read power '23. Reflectivity characteristics '24. Carrier-to-noise ratio '25. Cross-talk '2 6 Environment Section s 1 Characteristics of user data Method of testing Environment '2 Reference drive '2. 1 Optics and mechanics '22. Read power '23. Read amplifiers '24. Analog-to-binary convet-ters '25. Data clock '26. Binary-to-digital conversion '27. Error correction '28.. Tracking 29 Minimum quality of a sector User-written data Data interchange requirements Tracking '2 User-written data '3. Quality of disk Annexes A Distortion test * B Compliance test C Track deviation measurement D Replacement algorithm vii

10 ISO/IEC13614:1995 (E) 0 ISOAEC E Interleave and ECC of the data fields of a sector F PEP control zone G Control data of the SFP H Guidelines on sector replacement J Test method for the holding characteristics of the disk K Derivation of the operating climatic environment for the ODC L Description of the Office environment M Transportation guideline VIII

11 0 ISOAEC lso/lecl3614:1995(e) Foreword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized System for worldwide standardization. National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take patt in the work. In the field of information technology, ISO and IEC have established a joint technical committee, lso/iec 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 lso/iec was prepared by Joint Technical Committee lso/iec JTC 1, Information technology, Subcommittee SC 23, Optical disk caflridges for informa tion interchange. Annexes A to G and J form an integral patt of this Internationa to M are for information only. Standard. Annexes H and K

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13 INTERNATIONAL STANDARD o lso/iec NEN-ISO/IEC 13614:1996 en ISO/IEC : 1995 (E) Information technology - Interchange on 300 mm Optical disk cartdriges of the write once, read multiple (WORM) type using the SSF method 1 Scope Section 1: General This International Standard specifies the characteristics of 300 mm Optical disk cartridges (ODC) of the WORM type providing for embossed information and for data to be written once and read multiple times. lt 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; - the minimum quality of user-written data on the disk, enabling data processing Systems to read data from the disk. 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 car-tridge 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 Standard and to read any such Optical disk cattridge 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 the Standard. 3 Normative references The following Standards contain provisions, which in reference with this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All Standards are subject to revision, and Parties to agreements based on this International Standard are encouraged to

14 ISO/IEC 13614:1995(E) NEN-ISO/IEC 13614:1996 en 0 ISO/lEC investigate the possibility of applying the most recent editions of the Standards indicated below. Members of IEC and ISO maintain registers of currentlyvalid International Standards. IEC 950:1991, Safety of information technology equipment, including electrical business equipment. I EC : 1987, 4 Definitions Classification of environmental conditions. Part 3: Classification of groups of environmental Parameters and their severities. Section 3: Stationary use at weatherprotected locations. For the purposes of this International Standard the following definitions apply: 41. case : The housing for an Optical disk, that protects the disk and far ilitatesdisk interchange ma clamping Zone : The annular patt of the disk within which the c amping forte is applied by the clamping device. Control Track : and format necessary for writing and reading the remaining tracks on the Optical disk. Cyclic Redundancy Check (CRC) : A method for detecting errors in data. defects management : A method for handling defective areas on the disk. 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. entrance surface : The surface of the disk on to which the Optical beam first impinges. Error Correction Code (ECC) m An error detecting code designed to correct certain kinds of errors in data. 49. format : The arrangement or ayout of information on the disk Frame : The smallest addressable part of a track in the Information zone of a disk that tan be accessed by the controller of the disk drive independently of other addressable Parts of the Zone. 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 forte.

15 o ISO/IEC NEN-ISO/IEC 13614:1996 en ISO/lEC13614:1995(E) 4.12 interleaving : The process of allocating the physical sequence of units of data so as to render the data more immune to burst errors 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 tan be sensed by the Optical System. The Pattern of boundaries between marks and spaces represents the data on the disk. Optical disk : A disk that will accept and retain information in the form of marks in a recording layer, that tan be read with an Optical beam Optical disk cartridge : A device consisting of a case containing an Optical disk. recording layer : A layer of the disk on, or in, which data is written during manufacture and/or use. Reed-Solomon code : An error detection and/or correction code which is particularly suited to the correction of errors which occur in bursts or are strongly correlated. sector : The smallest addressable part of a track in the Information Zone of a disk that tan be accessed by the host Computer independently of other addressable Parts of the Zone. 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 tan be sensed by the Optical System. The Pattern of boundaries between marks and spaces represents the data on the disk spindle : The part of the disk drive which contacts the holding feature Substrate : A transparent layer of the disk, provided for mechanical support of the recording layer, through which the Optical beam accesses the recording layer track : The path which is to be fsljowed by the focus of the Optical beam during one revolution of the disk track pitch : The distance between adjacent track centrelines, measured in a radial direction WORM disk : An Optical disk in which the data in specified areas tan be written only once and read multiple times by an Optical beam Zone : An annular area of the disk.

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