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    IEC 62137-1-3-2008 Surface mounting technology - Environmental and endurance test methods for surface mount solder joint - Part1-3 Cyclic drop test《表面安装技术 表面安装焊.pdf

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    IEC 62137-1-3-2008 Surface mounting technology - Environmental and endurance test methods for surface mount solder joint - Part1-3 Cyclic drop test《表面安装技术 表面安装焊.pdf

    1、 IEC 62137-1-3 Edition 1.0 2008-11 INTERNATIONAL STANDARD NORME INTERNATIONALE Surface mounting technology Environmental and endurance test methods for surface mount solder joint Part 1-3: Cyclic drop test Technologie de montage en surface Mthodes dessais denvironnement et dendurance des joints bras

    2、s monts en surface Partie 1-3: Essai de chute cyclique IEC 62137-1-3:2008 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic

    3、 or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IECs member National Committee in the country of the requester. If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, please contac

    4、t the address below or your local IEC member National Committee for further information. Droits de reproduction rservs. Sauf indication contraire, aucune partie de cette publication ne peut tre reproduite ni utilise sous quelque forme que ce soit et par aucun procd, lectronique ou mcanique, y compri

    5、s la photocopie et les microfilms, sans laccord crit de la CEI ou du Comit national de la CEI du pays du demandeur. Si vous avez des questions sur le copyright de la CEI ou si vous dsirez obtenir des droits supplmentaires sur cette publication, utilisez les coordonnes ci-aprs ou contactez le Comit n

    6、ational de la CEI de votre pays de rsidence. IEC Central Office 3, rue de Varemb CH-1211 Geneva 20 Switzerland Email: inmailiec.ch Web: www.iec.chAbout the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards f

    7、or all electrical, electronic and related technologies. About IEC publications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition, a corrigenda or an amendment might have been published. Catalogue of IEC publications:

    8、 www.iec.ch/searchpub The IEC on-line Catalogue enables you to search by a variety of criteria (reference number, text, technical committee,). It also gives information on projects, withdrawn and replaced publications. IEC Just Published: www.iec.ch/online_news/justpub Stay up to date on all new IEC

    9、 publications. Just Published details twice a month all new publications released. Available on-line and also by email. Electropedia: www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 20 000 terms and definitions in English and French,

    10、with equivalent terms in additional languages. Also known as the International Electrotechnical Vocabulary online. Customer Service Centre: www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or need further assistance, please visit the Customer Service Centre FAQ o

    11、r contact us: Email: csciec.ch Tel.: +41 22 919 02 11 Fax: +41 22 919 03 00 A propos de la CEI La Commission Electrotechnique Internationale (CEI) est la premire organisation mondiale qui labore et publie des normes internationales pour tout ce qui a trait llectricit, llectronique et aux technologie

    12、s apparentes. A propos des publications CEI Le contenu technique des publications de la CEI est constamment revu. Veuillez vous assurer que vous possdez ldition la plus rcente, un corrigendum ou amendement peut avoir t publi. Catalogue des publications de la CEI: www.iec.ch/searchpub/cur_fut-f.htm L

    13、e Catalogue en-ligne de la CEI vous permet deffectuer des recherches en utilisant diffrents critres (numro de rfrence, texte, comit dtudes,). Il donne aussi des informations sur les projets et les publications retires ou remplaces. Just Published CEI: www.iec.ch/online_news/justpub Restez inform sur

    14、 les nouvelles publications de la CEI. Just Published dtaille deux fois par mois les nouvelles publications parues. Disponible en-ligne et aussi par email. Electropedia: www.electropedia.org Le premier dictionnaire en ligne au monde de termes lectroniques et lectriques. Il contient plus de 20 000 te

    15、rmes et dfinitions en anglais et en franais, ainsi que les termes quivalents dans les langues additionnelles. Egalement appel Vocabulaire Electrotechnique International en ligne. Service Clients: www.iec.ch/webstore/custserv/custserv_entry-f.htm Si vous dsirez nous donner des commentaires sur cette

    16、publication ou si vous avez des questions, visitez le FAQ du Service clients ou contactez-nous: Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 62137-1-3 Edition 1.0 2008-11 INTERNATIONAL STANDARD NORME INTERNATIONALE Surface mounting technology Environmental and endurance test meth

    17、ods for surface mount solder joint Part 1-3: Cyclic drop test Technologie de montage en surface Mthodes dessais denvironnement et dendurance des joints brass monts en surface Partie 1-3: Essai de chute cyclique INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE T IC

    18、S 31.190 PRICE CODE CODE PRIX ISBN 2-8318-1018-1 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale 2 62137-1-3 IEC:2008 CONTENTS FOREWORD.3 1 Scope.5 2 Normative references .5 3 Terms and definitions .5 4 General remar

    19、ks.6 5 Test equipment and materials.7 5.1 Reflow soldering oven .7 5.2 Drop impact test equipment.7 5.3 Test substrate .7 5.4 Solder alloy .7 5.5 Solder paste7 5.6 Specimen components 7 5.7 Strain gauge8 6 Mounting method8 7 Test method and procedure, and judgment conditions 8 7.1 Test procedure8 7.

    20、2 Judgment conditions .9 8 Items to be included in the test report.9 9 Items to be given in the product specification .9 Annex A (normative) Drop impact test equipment.11 Annex B (normative) Test method and procedure.13 Annex C (informative) An example of test equipment and procedure16 Annex D (info

    21、rmative) An example of strain gauge attachment procedure18 Bibliography23 Figure 1 Area for evaluation in the cyclic drop test.6 Figure 2 Typical reflow soldering profile.8 Figure A.1 Conceptual illustration of a substrate securing jig (reference) .12 Figure B.1 Strain gauge attachment example and g

    22、uide mark 13 Figure B.2 Strain and other waveforms (example)14 Figure B.3 Examples of crack (fracture) modes14 Figure B.4 Correlation between the number of failures and the maximum strain.15 Figure C.1 Example of drop impact test equipment and connections for testing .16 Figure D.1 Items to use19 Fi

    23、gure D.2 Strain gauge attachment procedures 21 Figure D.3 Gauge factor compensation 21 Figure D.4 Example of attaching strain gauge and guide mark dimensions 22 62137-1-3 IEC:2008 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ SURFACE MOUNTING TECHNOLOGY ENVIRONMENTAL AND ENDURANCE TEST METHODS FOR S

    24、URFACE MOUNT SOLDER JOINT Part 1-3: Cyclic drop test FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operati

    25、on on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “I

    26、EC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non- governmental organizations liaising with the IEC also participate in this prepar

    27、ation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consen

    28、sus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts ar

    29、e made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications tr

    30、ansparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot

    31、 be rendered responsible for any equipment declared to be in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and memb

    32、ers of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication o

    33、r any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication m

    34、ay be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 62137-1-3 has been prepared by IEC technical committee 91: Electronics assembly technology. The text of this standard is based on the following documents: F

    35、DIS Report on voting 91/802/FDIS 91/825/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. 4 62137-1-3 IEC:2008 A list of all part

    36、s of the IEC 62137 series, under the general title Surface mounting technology Environmental and endurance test methods for surface mount solder joint, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the maintenance result

    37、date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 62137-1-3 IEC:2008 5 SURFACE MOUNTING TECHNOLOGY ENVIRONMENTAL AND ENDURANCE TEST

    38、 METHODS FOR SURFACE MOUNT SOLDER JOINT Part 1-3: Cyclic drop test 1 Scope The test method described in this part of IEC 62137 applies to solder joints between terminals of surface mounting devices (SMDs) and land patterns on printed wiring boards (PWBs). This test is intended to evaluate the streng

    39、th of the solder joints of larger sized multi-terminal components and other components in devices (e.g. handheld mobile devices) in the event that the device is dropped. The properties of the solder joints (e.g. solder alloy, substrate, mounted device or design, etc.) are evaluated to assist in impr

    40、oving the strength of the solder joints. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendm

    41、ents) applies. IEC 60068-1, Environmental testing Part 1: General and guidance IEC 60194, Printed boards design, manufacture and assembly Terms and definitions IEC 61249-2-7, Materials for printed boards and other interconnecting structures Part 2-7: Reinforced base materials clad and unclad Epoxide

    42、 woven E-glass laminated sheet of defined flammability (vertical burning test), copper-clad IEC 61188-5 (all parts 5), Printed boards and printed board assemblies Design and use Part 5: Attachment (land-joint) considerations IEC 61190-1-2, Attachment materials for electronic assembly Part 1-2: Requi

    43、rements for soldering pastes for high-quality interconnects in electronics assembly IEC 61192-1, Workmanship requirements for soldered electronic assemblies Part 1: General IEC 61760-1, Surface mounting technology Part 1: Standard method for the specification of surface mounting components (SMDs) 3

    44、Terms and definitions For the purposes of this document, the terms and definitions given in IEC 60068-1 and IEC 60194, as well as the following definitions, apply. 3.1 drop impact strength strength of the test substrate held by a jig that is dropped from a specified height, as represented by the num

    45、ber of cyclic drops that finally cause fracture at the intermetallic, the 6 62137-1-3 IEC:2008 surface plating, or within the joint between a surface mounting device (SMD) termination and a printed wiring board (PWB) copper land termination 3.2 strain substrate surface strain value indication measur

    46、ed by the strain gauge attached to the surface of the test substrate NOTE It is a numeric dimensionless quantity representing the degree of stretching observed when the test substrate is distorted. 3.3 maximum strain maximum strain in the tensile side (+) on the measured strain waveform 3.4 momentar

    47、y interruption detector device that detects extremely short electrical discontinuity (momentary interruptions) in a daisy-chain circuit 4 General remarks The mechanical properties of the joint between a terminal to a land on a printed wiring board using lead-free solder are not the same for the join

    48、t using tin-lead solder due to the difference in composing elements of the solders. Thus it becomes important to test the mechanical properties of solder joints using different solder alloys. This test is to evaluate the durability of joints that are formed by reflow soldering between SMD pins/elect

    49、rodes and substrate lands in relation to drop heights. To evaluate the drop impact that the specimen joint receives, the strain can be used as an indicator of the impact, and it can quantitatively be measured using a strain gauge. NOTE This drop impact test is not intended to be targeted at components themselves. Refer to IEC 60068-2-27 and IEC 60068-2-31 for test methods o


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