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1、Reference number ISO/IEC 15457-2:2001(E) ISO/IEC 2001 INTERNATIONAL STANDARD ISO/IEC 15457-2 First edition 2001-11-01 Identification cards Thin flexible cards Part 2: Magnetic recording techniques Cartes didentification Cartes flexibles fines Partie 2: Techniques denregistrement magntique Adopted by
2、 INCITS (InterNational Committee for Information Technology Standards) as an American National Standard. Date of ANSI Approval: 4/9/02 Published by American National Standards Institute, 25 West 43rd Street, New York, New York 10036 Copyright 2002 by Information Technology Industry Council (ITI). Al
3、l rights reserved. These materials are subject to copyright claims of International Standardization Organization (ISO), International Electrotechnical Commission (IEC), American National Standards Institute (ANSI), and Information Technology Industry Council (ITI). Not for resale. No part of this pu
4、blication may be reproduced in any form, including an electronic retrieval system, without the prior written permission of ITI. All requests pertaining to this standard should be submitted to ITI, 1250 Eye Street NW, Washington, DC 20005. Printed in the United States of America Copyright American Na
5、tional Standards Institute Provided by IHS under license with ANSI Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 07/16/2007 00:47:39 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 15457-2:2001(E) PDF disclaimer This PDF file may contain embed
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7、ot infringing Adobes licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters w
8、ere optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO/IEC 2001 All rights reserved. Unless otherwise s
9、pecified, 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 either ISO at the address below or ISOs member body in the country of the requester. ISO copyright offic
10、e Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.ch Web www.iso.ch Printed in Switzerland ii ISO/IEC 2001 All rights reserved Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=IHS Employees/1111111001,
11、 User=Wing, Bernie Not for Resale, 07/16/2007 00:47:39 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 15457-2:2001(E) ISO/IEC 2001 All rights reservediii ContentsPage 1 Scope1 2 Normative references1 3 Terms and definitions .1 4 General characteristics.4 4.1 Introd
12、uction.4 4.2 Requirements common to all formats4 4.3 Environmental conditions5 5 Magnetic stripe characteristics5 5.1 Stripe surface5 5.2 Stripe adherence.6 5.3 Stripe life .7 5.4 Magnetic characteristics7 5.5 Magnetic stripe zone reservation7 6 TFC.0 data recording.8 6.1 Magnetic track characterist
13、ics8 6.2 Encoding characteristics.8 7 TFC.1 data recording.9 7.1 Magnetic track characteristics9 7.2 TFC.1-specific stripe requirements 10 7.3 Encoding characteristics.11 8 TFC.5 data recording.12 8.1 Magnetic track characteristics12 8.2 TFC.5-specific stripe requirements 12 8.3 Encoding characteris
14、tics.12 Annex A (normative) Magnetics classes .14 A.1 Signal amplitude requirements 14 A.1.1 New, unused unencoded cards.14 A.1.2 Unused, encoded cards15 A.1.3 Returned cards15 A.2 Static magnetic characteristics15 Annex B (normative) Encoding classes 16 B.1 Encoding methods.16 B.1.1 F/2F.16 B.1.2 S
15、plit phase.16 B.2 Encoding bit densities.17 B.2.2 Transition angle 17 B.2.3 Flux transition spacing.17 Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 07/16/2007 00:47:39 MDTNo reproduction o
16、r networking permitted without license from IHS -,-,- ISO/IEC 15457-2:2001(E) iv ISO/IEC 2001 All rights reserved Foreword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. Natio
17、nal 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.
18、 Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. In the field of information technology, ISO and IEC have establish
19、ed 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 the national bodies casting a vote. Attention is drawn to
20、 the possibility that some of the elements of this part of ISO/IEC 15457 may be the subject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. International Standard ISO/IEC 15457-2 was prepared by Joint Technical Committee ISO/IEC JTC 1, Infor
21、mation technology, Subcommittee SC 17, Identification cards and related devices. ISO/IEC 15457 consists of the following parts, under the general title Identification cards Thin flexible cards: Part 1: Physical characteristics Part 2: Magnetic recording techniques Part 3: Test methods Annexes A and
22、B form a normative part of this part of ISO/IEC 15457. Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 07/16/2007 00:47:39 MDTNo reproduction or networking permitted without license from IHS
23、-,-,- INTERNATIONAL STANDARDISO/IEC 15457-2:2001(E) ISO/IEC 2001 All rights reserved1 Identification cards Thin flexible cards Part 2: Magnetic recording techniques 1 Scope Thin flexible cards, the subject of this International Standard, are used to automate the controls for access to goods or servi
24、ces such as mass transit, highway toll systems, car parks, vouchers, stored value, etc. For these applications, data can be written and/or read by machines using various recording techniques such as magnetic stripe, optical character recognition (OCR), bar code, etc. This part of ISO/IEC 15457 speci
25、fies the magnetic stripe and encoding characteristics of thin flexible cards at two points in the card life cycle: 1.at the point of loading into the card issuing equipment; 2.at the point of issue to the public. Guidance concerning the storage and usage of finished cards (including magnetic stripe
26、cards) under various environmental conditions is given in ISO/IEC 15457-1. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of ISO/IEC 15457. For dated references, subsequent amendments to, or revisi
27、ons of, any of these publications do not apply. However, parties to agreements based on this part of ISO/IEC 15457 are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normativ
28、e document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO 4287-1, Surface roughness Terminology Part 1: Surface and its parameters ISO 4287-2, Surface roughness Terminology Part 2: Measurement of surface roughness parameters ISO/IEC 781
29、1-2, Identification cards Recording technique Part 2: Magnetic stripe Low coercivity ISO/IEC 7811-6, Identification cards Recording technique Part 6: Magnetic stripe High coercivity ISO/IEC 15457-1, Identification cards Thin flexible cards Part 1: Physical characteristics ISO/IEC 15457-3, Identifica
30、tion cards Thin flexible cards Part 3: Test methods IEC 60050-221, International Electrotechnical Vocabulary Chapter 221: Magnetic materials and components 3 Terms and definitions For the purposes of this part of ISO/IEC 15457, the terms and definitions given in ISO/IEC 15457-1 and the following app
31、ly. Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 07/16/2007 00:47:39 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 15457-2:2001(E) 2 ISO/IEC 2001 All ri
32、ghts reserved 3.1 track area of stripe surface occupied by the data encoded by a single channel of the magnetic recording write/read interface 3.2 central stripe stripe centred on the widthwise axis of the card 3.3 lateral stripe any widthwise stripe which is not centred on the widthwise axis of the
33、 card 3.4 re-usable card durable card able to be recovered from the field (generally by automatic equipment operation) and re-issued 3.5 unused, unencoded card card possessing all the components required for its intended purpose that has not been subjected to any personalization or testing operation
34、 and that has been stored in a clean environment with no more than 48 hour exposure to daylight at temperatures between 5 C and 30 C and humidity between 10 % and 90 % without experiencing thermal shock 3.6 unused encoded card card according to 3.11 that has only been encoded with all the data requi
35、red for its intended purpose (e.g. magnetic encoding, printing etc.)1 3.7 returned card card according to 3.12 after it has been issued to the card holder and returned for the purpose of testing (e.g. re- usable card returned for possible re-issue)2 3.8 Ra, Rz measures of surface irregularity see IS
36、O 4287 3.9 maximum field Hmax maximum absolute magnetic field strength applied as described by the test method ISO/IEC 7811-6 3.10 coercivity HcM= HcJ continuously applied magnetic field which reduces the magnetisation to zero from a previous maximum magnetisation state in the opposite direction, th
37、e quantity of interest being that which is measured parallel to the longitudinal axis of the stripe ISO/IEC 7811-6 1 The definitions used in ISO/IEC 7811 refer to embossing and electronic encoding which are not defined in ISO/IEC 15457. However, printing on issue (as opposed to pre-printing) frequen
38、tly accompanies magnetic encoding in applications of thin flexible cards. 2In certain applications of thin flexible cards, the purpose of testing returned cards is to establish their suitability to be re-issued for re-use. Such testing is generally done automatically by bulk sorter/encoder equipment
39、. Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 07/16/2007 00:47:39 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 15457-2:2001(E) ISO/IEC 2001 All rights
40、 reserved3 3.11 longitudinal squareness SQ = Mr/M at (Hmax) ratio of the value of magnetisation (Mr) at zero magnetic field (H=0) after the application and removal of the maximum field (Hmax) to the magnetisation (M) at the maximum field applied (Hmax) measured along the longitudinal axis of the str
41、ipe ISO/IEC 7811-6 3.12 switching field by derivative SFD the width at half height of the differentiated static magnetisation curve M(H) divided by the coercivity from the same curve ISO/IEC 7811-6 3.13 switching field by slope SFS (/H2/-/H1/)/ HcM, where M(-/H1/) = 0,5Mrand M(-/H2/) = -0,5 Mr;the d
42、ifference between the field values at the intercept of the static magnetisation M (H) loop with M (H) = 0,5 Mrand M (H) = -0,5 Mr, divided by the coercivity ISO/IEC 7811-6 3.14 recording technique technique, such as magnetic or optical encoding etc., used to store data on the card 3.15 nominal bit d
43、ensity DR encoding density specified for a track 3.16 maximum test current Imax upper of two test write currents used for testing TFC magnetic stripes 3.17 maximum test density Dmax upper of two test recording densities used for testing TFC magnetic stripes 3.18 minimum test current Imin lower of th
44、e two test write currents used for testing TFC magnetic stripes 3.19 minimum test density Dmin lower of two test recording densities used for testing TFC magnetic stripes 3.20 individual signal amplitude Ui base to peak amplitude of a single readback signal pulse Copyright American National Standard
45、s Institute Provided by IHS under license with ANSI Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 07/16/2007 00:47:39 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 15457-2:2001(E) 4 ISO/IEC 2001 All rights reserved 3.21 average signal amplit
46、ude UA The arithmetic mean of the absolute values of the individual signal amplitudes found in a readback waveform: )amplitudessignalindividualofnumbertheis(where= 1= i A n n U U n k k 3.22 modulation m range of variation of a readback signal defined by: A U UU m = 2 iminimax where Uiis the individu
47、al readback signal amplitude and UAis the average readback signal amplitude recorded at Dmaxand Imax. 4 General characteristics 4.1 Introduction Three card sizes, TFC.0, TFC.1 and TFC.5, are defined in ISO/IEC 15457-1. Common physical characteristics and the geometrical and topographical characteris
48、tics of each card size are specified in ISO/IEC 15457-1. In this part of ISO/IEC 15457, the magnetic stripe and track characteristics specific to each size of card are given in separate clauses. Common characteristics are specified in clause 4. Specifications for the permitted magnetic and encoding characteristics are given in the annexes. All clauses in all parts of ISO/IEC 15457 apply to finished cards or to the reels/packs from which such cards are taken. Certain clauses however, such a