BS-EN-61189-1-1997 IEC-61189-1-1997.pdf

BRITISH STANDARD BS EN 61189-1:1997 IEC 61189-1: 1997 Incorporating Amendments Nos. 1 and 2 Test methods for electrical materials, printed boards and other interconnection structures and assemblies Part 1: General test methods and methodology The European Standard EN 61189-1:1997, with the incorporation of amendment A1:2001, has the status of a British Standard ICS 31.180 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 17:07:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 61189-1:1997 This British Standard, having been prepared under the direction of the Electrotechnical Sector Board, was published under the authority of the Standards Board and comes into effect on 15 July 1997 © BSI 21 June 2002 ISBN 0 580 27851 4 National foreword This British Standard is the English language version of EN 61189-1:1997, including amendment A1:2001. It is identical with IEC 61189-1:1997, including amendment A1:2001. The start and finish of text introduced or altered by amendment is indicated in the text by tags ? . Tags indicating changes to IEC text carry the number of the IEC amendment. For example, text altered by IEC amendment 1 is indicated by ? . The UK participation in its preparation was entrusted to Technical Committee EPL/52, Printed circuits, which has the responsibility to: In implementing the European Standard as a British Standard, the IEC text on which it is based has not been changed, but for users convenience each method has been printed on a separate sheet. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 23 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No.DateComments 9880April 1998Generic title of EN corrected 1362721 June 2002See National foreword and addition of references in Annex ZA Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 17:07:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM EN 61189-1 April 1997 + A1 October 2001 ICS 31.180 Descriptors: Printed boards, interconnection structures, electrical materials, assemblies, general test methods, methodology English version Test methods for electrical materials, printed boards and other interconnection structures and assemblies Part 1: General test methods and methodology (includes amendment A1:2001) (IEC 61189-1:1997 + A1:2001) Méthodes dessai pour les matériaux électriques, les cartes imprimées et autres structures dinterconnexion et les ensembles Partie 1: Méthodes dessai générales et méthodologie (inclut lamendement A1:2001) (CEI 61189-1:1997 + A1:2001) Prüfverfahren für Elektromaterialien, Leiterplatten und andere Verbindungsstrukturen und Baugruppen Teil 1: Allgemeine Prüfverfahren und Methodik (enthält Änderung A1:2001) (IEC 61189-1:1997 + A1:2001) This European Standard was approved by CENELEC on 1997-03-11. Amendment A1 was approved by CENELEC on 2001-10-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels © 1997 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61189-1:1997 + A1:2001 E Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 17:07:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 61189-1:1997 © BSI 21 June 2002 2 Foreword The text of document 52/635/FDIS, future edition 1 of IEC 61189-1, prepared by IEC TC 52, Printed circuits, in cooperation with IEC TC 91, Surface mounting technology, and IEC TC 50, Environmental testing, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61189-1 on 1997-03-11. The following dates were fixed: This part 1 of EN 61189 is to be used in conjunction with the other parts of EN 61189 and with the EN 60068 series. Annexes designated “normative” are part of the body of the standard. Annexes designated “informative” are given for information only. In this standard, Annex ZA is normative and Annex A and Annex B are informative. Annex ZA has been added by CENELEC. Endorsement notice The text of the International Standard IEC 61189-1:1997 was approved by CENELEC as a European Standard without any modification. Foreword to amendment A1 The text of document 52/887/FDIS, future amendment 1 to IEC 61189-1:1997, prepared by IEC TC 52, Printed circuits, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as amendment A1 to EN 61189-1:1997 on 2001-10-01. The following dates were fixed: Annexes designated “normative” are part of the body of the standard. In this standard, Annex ZA is normative. Annex ZA has been added by CENELEC. Endorsement notice The text of amendment 1:2001 to the International Standard IEC 61189-1:1997 was approved by CENELEC as an amendment to the European Standard without any modification. latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement(dop) 1997-12-01 latest date by which the national standards conflicting with the EN have to be withdrawn(dow) 1997-12-01 latest date by which the amendment has to be implemented at national level by publication of an identical national standard or by endorsement(dop) 2002-07-01 latest date by which the national standards conflicting with the amendment have to be withdrawn(dow) 2004-10-01 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 17:07:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 61189-1:1997 © BSI 21 June 2002 3 Contents Page Foreword2 Introduction5 1Scope and object5 2Normative reference5 3Accuracy, precision and resolution6 4Catalogue of approved test methods8 5P: Preparation/conditioning test methods9 6V: Visual test methods15 7D: Dimensional test methods15 8C: Chemical test methods15 9M: Mechanical test methods15 10E: Electrical test methods15 11N: Environmental test methods15 12X: Miscellaneous test methods15 Annex A (informative) Worked examples16 Annex B (informative) Conversion table18 Annex ZA (normative) Normative references to international publications with their corresponding European publications23 Table 1 Students “t” distribution7 Figure 1 Schematic layout of steam/oxygen ageing test apparatus13 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 17:07:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 4 blank Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 17:07:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 61189-1:1997 © BSI 21 June 2002 5 Introduction IEC 61189 relates to test methods for printed boards and printed board assemblies, as well as related materials or component robustness, irrespective of their method of manufacture. The standard is divided into separate parts, covering information for the designer and the test methodology engineer or technician. Each part has a specific focus; methods are grouped according to their application and numbered sequentially as they are developed and released. In some instances test methods developed by other TCs (e.g. TC 50) have been reproduced from existing IEC standards in order to provide the reader with a comprehensive set of test methods. When this situation occurs, it will be noted on the specific test method; if the test method is reproduced with minor revision, those paragraphs that are different are identified. This part of IEC 61189 contains test methods for evaluating printed boards and other forms of interconnection structures. The methods are self-contained, with sufficient detail and description so as to achieve uniformity and reproducibility in the procedures and test methodologies. The tests shown in this standard are grouped according to the following principles: To facilitate reference to the tests, to retain consistency of presentation, and to provide for future expansion, each test is identified by a number (assigned sequentially) added to the prefix (group code) letter showing the group to which the test method belongs. The test method numbers have no significance with respect to an eventual test sequence; that responsibility rests with the relevant specification that calls for the method being performed. The relevant specification, in most instances, also describes pass/fail criterion. The letter and number combinations are for reference purposes, to be used by the relevant specification. Thus “3D02” represents the second dimensional test method described in this publication IEC 61189-3. In short, in this example, 3 is the part of IEC standard (61189-3), D is the group of methods, and 02 is the test number. A list of all test methods included in this standard, as well as those under consideration is given in Annex B. This annex will be reissued whenever new tests are introduced. 1 Scope and object This part of IEC 61189 is a catalogue of test methods representing methodologies and procedures that can be applied to test materials used for manufacturing interconnection structures (printed boards) and assemblies. 2 Normative reference The following normative document contains provisions which, through reference in this text, constitute provisions of this part of IEC 61189. At the time of publication, the edition indicated was valid. All normative documents are subject to revision, and parties to agreements based on this part of IEC 61189 are encouraged to investigate the possibility of applying the most recent edition of the normative document indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. IEC 60068-1:1988, Environmental testing Part 1: General and guidance. ?IEC 60068-2-3:1969, Environmental testing Part 2: Tests Test Ca: Damp heat, steady state. IEC 60068-2-30:1980, Environmental testing Part 2: Tests Test Db and guidance: Damp heat, cyclic (12 + 12-hour cycle).? P:preparation/conditioning methods V:visual test methods D:dimensional test methods C:chemical test methods M: mechanical test methods E:electrical test methods N:environmental test methods X:miscellaneous test methods Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 17:07:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 61189-1:1997 6© BSI 21 June 2002 3 Accuracy, precision and resolution Errors and uncertainties are inherent in all measurement processes. The information given below enables valid estimates of the amount of error and uncertainty to be taken into account. Test data serve a number of purposes which include: to monitor a process; to enhance confidence in quality conformance; to arbitrate between customer and supplier. In any of these circumstances, it is essential that confidence can be placed upon the test data in terms of: accuracy: calibration of the test instruments and/or system; precision: the repeatability and uncertainty of the measurement; resolution: the suitability of the test instrument and/or system. 3.1 Accuracy The regime by which routine calibration of the test equipment is undertaken shall be clearly stated in the quality documentation of the supplier or agency conducting the test, and shall meet the requirements in ISO 9002, clause 4.11. The calibration shall be conducted by an agency having accreditation to a national or international measurement standard institute. There should be an uninterrupted chain of calibration to a national or international standard. Where calibration to a national or international standard is not possible, “round robin” techniques may be used, and documented, to enhance confidence in measurement accuracy. The calibration interval shall normally be one year. Equipment consistently found to be outside acceptable limits of accuracy shall be subject to shortened calibration intervals. Equipment consistently found to be well within acceptable limits may be subject to relaxed calibration intervals. A record of the calibration and maintenance history shall be maintained for each instrument. These records should state the uncertainty of the calibration technique (in ? % deviation) in order that uncertainties of measurement can be aggregated and determined. A procedure shall be implemented to resolve any situation where an instrument is found to be outside calibration limits. 3.2 Precision The uncertainty budget of any measurement technique is made up of both systematic and random uncertainties. All estimates shall be based upon a single confidence level, the minimum being 95 %. Systematic uncertainties are usually the predominant contributor, and will include all uncertainties not subject to random fluctuation. These include: calibration uncertainties; errors due to the use of an instrument under conditions which differ from those under which it was calibrated; errors in the graduation of a scale of an analogue meter (scale shape error). Random uncertainties result from numerous sources but can be deduced from repeated measurement of a st