1、 INTERNATIONAL STANDARD IEC60068-2-54 Second edition2006-04 Environmental testing Part 2-54:Tests Test Ta:Solderability testing of electronic components by the wetting balance method Reference number IEC 60068-2-54:2006(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION O
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8、el:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONAL STANDARD IEC60068-2-54 Second edition2006-04 Environmental testing Part 2-54:Tests Test Ta:Solderability testing of electronic compo
9、nents by the wetting balance method IEC 2006 Copyright-all rights 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.International Electrotechnic
10、al Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.ch R For price,see current cataloguePRICE CODE Commission Electrotechnique InternationaleInternational Electrotechnical Commission LICENSED TO MEC
11、ON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 60068-2-54 IEC:2006(E)CONTENTS FOREWORD.3 1 Scope.5 2 Normative references.5 3 Terms and definitions.5 4 General description of the test.5 5 Description of the test apparatus.6 5.1 Test system.6 5.2 S
12、older bath.6 6 Preconditioning.6 6.1 Preparation of specimens.6 6.2 Ageing.6 7 Materials.7 7.1 Solder.7 7.2 Flux.7 8 Procedure.7 8.1 Test temperature.7 8.2 Fluxing.7 8.3 Flux drying.8 8.4 Test.8 9 Presentation of results.8 9.1 Form of chart-recorder trace.8 9.2 Points of significance.9 9.3 Reference
13、 wetting force.9 9.4 Test requirements.10 10 Information to be given in the relevant specification.10 Annex A(normative)Equipment specification.11 Annex B(informative)Guide to the use of the wetting balance for solderability testing.12 Bibliography.18 Figure 1 Test arrangement.6 Figure 2 Wetting con
14、ditions.9 Figure B.1 Representative force-time curves.15 Table 1 Time sequence of the test.8 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.60068-2-54 IEC:2006(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ENVIRONMENTAL TESTING Part
15、 2-54:Tests Test Ta:Solderability testing of electronic components by the wetting balance method 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
16、 is to promote international co-operation 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“IEC Publication(s)”).Their preparation is entrusted to technical committees;any IEC National Committee interested in the subject dealt with may participate in this prepara
