1、INTERNATIONAL STANDARD ISOIIEC 9171-l First edition 1990-12-15 Information technology - 130 mm optical disk cartridge, write once, for information interchange - Part 1: Unrecorded optical disk cartridge Technologies de Iinformation - Cartouche de disque optique de 130 mm, non-t&nscriptible, pour ltk
2、hange dinformation - Partie 1: Cartouche de disque optique vierge Reference number ISO/IEC 9171-1 : 1990 (E) Processed and adopted by ASC NCITS and approved by ANSI as an American National Standard.Date of ANSI Approval: 1/14/99Published by American National Standards Institute,11 West 42nd Street,
3、New York, New York 10036Copyright 1999 by Information Technology Industry Council (ITI).All rights reserved.These materials are subject to copyright claims of International Standardization Organization (ISO),International Electrotechnical Commission (IEC), American National Standards Institute (ANSI
4、), andInformation Technology Industry Council (ITI). Not for resale. No part of this publication may be reproducedin any form, including an electronic retrieval system, without the prior written permission of ITI. All requestspertaining to this standard should be submitted to ITI, 1250 Eye Street NW
5、, Washington, DC 20005.Printed in the United States of AmericaAdopted by INCITS (InterNational Committee for Information Technology Standards) as an American National Standard.Date of ANSI Approval: 1/14/99Published by American National Standards Institute,25 West 43rd Street, New York, New York 100
6、36Copyright 2002 by Information Technology Industry Council (ITI).All rights reserved.These materials are subject to copyright claims of International Standardization Organization (ISO), InternationalElectrotechnical Commission (IEC), American National Standards Institute (ANSI), and Information Tec
7、hnology Industry Council(ITI). Not for resale. No part of this publication may be reproduced in any form, including an electronic retrieval system, withoutthe prior written permission of ITI. All requests pertaining to this standard should be submitted to ITI, 1250 Eye Street NW,Washington, DC 20005
8、.Printed in the United States of AmericaISOlIEC 9171-1:1990 (E) Table of Contents 1 Scope 2 Conformance 3 Normative references 4 Definitions 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10 4.11 4.12 4.13 4.14 4.15 4.16 4.17 4.18 4.19 4.20 4.21 4.22 case Clamping Zone Control Track cyclic redundancy check (
9、CRC) defect management disk reference plane entrance surface error correction code (ECC) format groove hub interleaving land and groove mark optical disk optical disk cartridge (ODC) recording layer Reed-Solomon code spindle substrate track track pitch 5 General description 0 ISO/IEC 1990 All rights
10、 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 permission in writing from the publisher. ISO/IEC Copyright Office . Case postale 56 . CH-1211 Genkve 20 . Switzerland Printed in
11、Switzerland Page 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ii ISOlIEC 9171-1:1990 (E) Environments 6.1 Testing environment 6.2 Operating environment 6.3 Storage environments 6.3.1 Short-term storage 6.3.2 Long-term storage Safety requirements Dimensional and mechanical characteristics of t
12、he case 8.1 8.2 8.3 8.4 8.5 8.6 8.7 8.8 8.9 8.10 8.11 8.12 8.13 8.14 8.15 8.16 8.17 8.18 General Case drawings Sides, reference axes and reference planes 8.3.1 Relationship of Sides A and B 8.3.2 Reference axes and case reference planes Materials Mass Overall dimensions (figure 3) Location hole (fig
13、ure 3) Alignment hole (figure 3) Surfaces for reference planes P (figures 4 and 4a) Insertion slots and detent features (figure 5) Gripper slots (figure 6) Write-inhibit holes (figure 7) Media sensor holes (figure 8) Head and motor window (figure 10) Shutter (figure 11) Slot for shutter opener (figu
14、re 11) Shutter sensor notch (figure 9) User label areas (figure 13) 9 Dimensional and Physical Characteristics of the Disk 9.1 Dimensions of the disk 9.1.1 Outer diameter 9.1.2 Thickness 9.1.3 Clamping zone (figure 1) 9.1.4 Clearance zone 9.2 Mass 9.3 Moment of inertia 9.4 Imbalance 9.5 Axial deflec
15、tion 3 3 3 3 3 4 4 4 5 5 5 6 6 6 8 8 8 9 10 10 10 11 11 12 12 12 12 12 12 12 12 12 12 . . . III ISO/IEC 9171-1:1990 (E) 9.6 Axial acceleration 12 9.7 Dynamic radial runout 13 9.8 Radial acceleration 13 9.9 Tilt 13 10 Drop test 13 11 Interface between disk and drive 13 11.1 Clamping technique 13 11.2
16、 Dimensions of the hub (figure 1) 13 11.2.1 11.2.2 11.2.3 11.2.4 11.2.5 11.2.6 11.2.7 11.2.8 11.2.9 11.2.10 11.2.11 Outer diameter of the hub Height of the hub Diameter of the centre hole Height of the top of the centre hole at diameter D9 Centring length at diameter D9 Chamfer at inner diameter D9
17、Chamfer at outer diameter Dg Outer diameter of the magnetizable ring Inner diameter of the magnetizable ring Thickness of the magnetizable material Position of the top of the magnetizable ring relative to the disk reference plane 11.3 Magnetizable material 14 11.4 Clamping force 14 11.5 Capture cyli
18、nder for the hub (figure 12) 15 11.6 Disk position in the operating condition (figure 12) 1.5 12 Characteristics of the substrate 30 12.1 Index of refraction 30 12.2 Thickness 30 12.3 Birefringence 30 13 Characteristics of the recording layer 30 13.1 Test conditions 30 13.1.1 General 30 13.1.2 Read
19、conditions 31 13.1.3 Write conditions 31 13.2 13.3 Baseline reflectance 13.2.1 General 13.2.2 Actual value 13.2.3 Requirement Definitions of signals 13 13 13 14 14 14 I4 14 14 14 I4 31 31 32 32 32 iv 13.4 13.5 Prerecorded marks 33 User-written data 33 13.5.1 Signal IL 33 13.5.2 Signal IH 33 13.5.3 N
20、arrow-band signal-to-noise ratio (figure 15) 33 13.5.4 Cross-talk 34 ANNEX A - Office environment 35 ANNEX B - Transportation 36 ANNEX C - Measurement of birefringence 37 ANNEX D - Definition of write and erase pulse width 40 ISO/IEC 9171-1:1990 (E) V ISO/IEC 9171-1:1990 (E) FOREWORD IS0 (the Intern
21、ational Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardiz- ation. National bodies that are members of IS0 or IEC participate in the development of International Standards through technical committees establi
22、shed 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 f
23、ield of information technology, IS0 and IEC have established a joint technical committee, ISO/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
24、 the national bodies casting a vote. International Standard ISO/IEC 9171-1 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology. ISO/IEC 9171 consists of the following parts, under the general title: Information technology - 130 mm optical disk cartridge, write once, for i
25、nformation interchange: Part I: Unrecorded optical disk cartridge Part 2: Recording format Annexes C and D form an integral part of this part of ISO/IEC 9171. Annexes A and B are for information only. ISO/IEC 9171-1:1990 (E) INTRODUCTlON lSO/IEC 9171 specifies the characteristics of 130 mm optical d
26、isk cartridges (ODC) of the type providing for information to be written once and read many times. ISO/IEC 9171-2 specifies two formats for the physical disposition of the tracks and sectors, the error correction codes, the modulation methods used for recording and the quality of the recorded signal
27、s. ISO/IEC 9171-1 and ISO/IEC 9171-2 together with a standard for volume and file structure provide for full data interchange between data processing systems. vii INTERNATIONAL STANDARD ISO/IEC 9171-1: 1990 (E) Information technology - 130 mm optical disk cartridge, write once, for information inter
28、change - Part 1: Unrecorded optical disk cartridge 1 Scope This part of ISO/IEC 9171 specifies - definitions of essential concepts, - the environment in which the characteristics are to be tested, - the environments in which the cartridge is to be operated and stored, - the mechanical, physical and
29、dimensional characteristics of the case and of the optical disk, - the optical characteristics and the recording characteristics for recording the information once and for reading it many times, so as to provide physical interchangeability between data pro- cessing systems. 2 Conformance A 130 mm op
30、tical disk cartridge is in conformance with this part of ISO/IEC 9171 if it meets all the mandatory requirements specified therein. 3 Normative references The following standards contain provisions which, through reference in this text, constitute provi- sions of this part of ISO/IEC 9171. At the ti
31、me of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this part of ISO/IEC 9171 are encouraged to investigate the possibility of applying the most recent editions of the standards listed below. Members of IEC and IS0 maintain
32、registers of currently valid International Stan- dards. IS0 683-13 Heat treatable steels, alloy steels and free-cutting steels - Part 13 Wrought stainless steels IEC 950 Safety of information technology equipment including electrical business equipment 4 Definitions For the purposes of this part of
33、ISO/IEC 9171, the following definitions apply. 4.1 case: The housing for an optical disk, that protects the disk and facilitates disk interchange. 4.2 Clamping Zone: The annular part of the disk within which the clamping force is applied by the clamping device. 4.3 Control Track: A track containing
34、the information on media parameters and format necessary for writing and reading the remaining tracks on the optical disk. 4.4 cyclic redundancy check (CRC): A method for detecting errors in data. ISO/IEC 9171-1:1990 (E) 4.5 4.6 4.7 4.8 defect management: A method for handling defective areas on the
35、 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 corre
36、ction code (ECC): An error-detecting code designed to correct certain kinds of errors in data. 4.9 4.10 4.11 format: The arrangement or layout of the data on a medium. groove: See 4.13. hub: The central feature on the disk which interacts with the spindle of the disk drive to provide radial centring
37、 and the clamping force. 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. 4.13 4.14 land and groove: A trench-like feature of the disk, applied before the recording of any informa- tion, and used to define the t
38、rack location. The groove is located nearer to the entrance surface than the land with which it is paired to form a track. mark: A feature of the recording layer which may take the form of a hole, a pit, a bubble or any other type or form that can be sensed by the optical system. The pattern of mark
39、s represents the data on the disk. 4.15 4.16 4.17 optical disk: A disk that will accept and retain information in the form of marks in a recording layer, that can be read with an optical beam. optical disk cartridge (ODC): A device consisting of a case containing an optical disk. recording layer: A
40、layer of the disk on, or in, which data is written during manufacture and/or use. 4.18 4.19 4.20 4.21 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. spindle: The part of the disk
41、drive which contacts the disk and/or hub. substrate: A transparent layer of the disk, provided for mechanical protection of the recording layer, through which the optical beam accesses the recording layer. track: The path which is followed by the focus of the optical beam during one revolution of th
42、e disk. 4.22 track pitch: The distance between adjacent track centrelines, measured in a radial direction. 5 General description The optical disk cartridge which is the subject of this part of ISO/IEC 9171 consists of a case con- taining an optical disk. An optical beam is used to write data to, or
43、to read data from, the disk. A disk can be recordable either on one or on both sides. The disk is intended for use in a drive with optical access from one side only. To gain access to the second side of a disk recordable on both sides, the cartridge must be reversed before insertion into the drive.
44、A disk recordable on one side only consists of a transparent protective layer acting as a substrate with a recording layer on one side and a hub on the other. The recording layer is accessed by an optical beam through the substrate. A disk recordable on both sides consists of two disks, each recorda
45、ble on one side, and assembled together with the recording layers on the inside. ISO/lEC 9171-1:1990 (E) Other constructions are permitted but must have the same optical characteristics. 6 Environments 6.1 Testing environment Unless otherwise specified, tests and measurements made on the optical dis
46、k cartridge to check the requirements of this part of ISO/IEC 9171 shall be carried out in an environment where the air immediately surrounding the optical disk cartridge is within the following conditions. Temperature 23C f 2C Relative humidity 45% to 55% Atmospheric pressure 100 kPa + 35 kPa Befor
47、e testing the optical disk cartridge shall be conditioned in this environment for 48 h mini- mum. No condensation on or in the optical disk cartridge shall occur. 6.2 Operating environment Optical disk cartridges used for data interchange shall be operated in an environment where the air immediately
48、 surrounding the optical disk cartridge is within the following conditions. Temperature 10C to 50C Relative humidity 10% to 80% Wet bulb temperature 29C max. Atmospheric pressure 75 kPa to 105 kPa Temperature gradient 10C /h max. Relative humidity gradient 10% /h max. Air cleanliness office environm
49、ent (see Annex A) No condensation on or in the optical disk cartridge shall be allowed to occur. If an optical disk cartridge has been exposed during storage and/or transportation to conditions outside those given above, it shall be acclimatised in the operating environment for at least 2 h before use. In the operating environment an ODC shall be capable of withstanding a thermal shock of up to 20 “C when inserted into, or removed from, the drive. 6.3 Storage environments Storage environment is the ambient condition to which the optical disk cartridge without any additional protective
