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    IEC 61249-2-38-2008 Materials for printed boards and other interconnecting structures - Part 2-38 Reinforced base materials clad and unclad - Non-halogenated epoxide woven E-glass .pdf

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    IEC 61249-2-38-2008 Materials for printed boards and other interconnecting structures - Part 2-38 Reinforced base materials clad and unclad - Non-halogenated epoxide woven E-glass .pdf

    1、 IEC 61249-2-38Edition 1.0 2008-11INTERNATIONAL STANDARD NORME INTERNATIONALEMaterials for printed boards and other interconnecting structures Part 2-38: Reinforced base materials, clad and unclad Non-halogenated epoxide woven E-glass laminate sheets of defined flammability (vertical burning test),

    2、copper-clad for lead-free assembly Matriaux pour circuits imprims et autres structures dinterconnexion Partie 2-38: Matriaux de base renforcs, plaqus et non plaqus Feuilles stratifies en tissu de verre de type E poxyde non halognes, plaques cuivre, dinflammabilit dfinie (essai de combustion vertical

    3、e) pour les assemblages sans plomb IEC61249-2-38:2008 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 or mechanical, incl

    4、uding 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 contact the address below

    5、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 compris la photocopie et l

    6、es 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 national de la CEI de

    7、 votre pays de rsidence. IEC Central Office 3, rue de Varemb CH-1211 Geneva 20 Switzerland Email: inmailiec.chWeb: www.iec.chAbout the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, el

    8、ectronic 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: www.iec.ch/searchpub

    9、 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 publications. Just P

    10、ublished 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, with equivalent terms

    11、 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 or contact us: Email:

    12、csciec.chTel.: +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 technologies apparentes. A propos

    13、 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 Le Catalogue en-ligne d

    14、e 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 les nouvelles publica

    15、tions 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 termes et dfinitions en

    16、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 publication ou si vous

    17、 avez des questions, visitez le FAQ du Service clients ou contactez-nous: Email: csciec.chTl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 61249-2-38Edition 1.0 2008-11INTERNATIONAL STANDARD NORME INTERNATIONALEMaterials for printed boards and other interconnecting structures Part 2-38: Reinforced ba

    18、se materials, clad and unclad Non-halogenated epoxide woven E-glass laminate sheets of defined flammability (vertical burning test), copper-clad for lead-free assembly Matriaux pour circuits imprims et autres structures dinterconnexion Partie 2-38: Matriaux de base renforcs, plaqus et non plaqus Feu

    19、illes stratifies en tissu de verre de type E poxyde non halognes, plaques cuivre, dinflammabilit dfinie (essai de combustion verticale) pour les assemblages sans plomb INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE SICS 31.180 PRICE CODECODE PRIXISBN 2-8318-1018

    20、-4 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale 2 61249-2-38 IEC:2008 CONTENTS FOREWORD.4 1 Scope.6 2 Normative references6 3 Materials and construction 6 3.1 Resin system.6 3.2 Metal foil .7 3.3 Reinforcement .7

    21、4 Internal marking7 5 Electrical properties 7 6 Non-electrical properties of the copper-clad laminate 8 6.1 Appearance of the copper-clad sheet.8 6.1.1 Indentations (pits and dents)8 6.1.2 Wrinkles 8 6.1.3 Scratches 8 6.1.4 Raised areas .8 6.1.5 Surface waviness.9 6.2 Appearance of the unclad face.9

    22、 6.3 Laminate thickness9 6.4 Bow and twist 9 6.5 Properties related to the copper foil bond.10 6.6 Punching and machining11 6.7 Dimensional stability11 6.8 Sheet sizes12 6.8.1 Typical sheet sizes 12 6.8.2 Tolerances for sheet sizes .12 6.9 Cut panels.12 6.9.1 Cut panel sizes 12 6.9.2 Size tolerances

    23、 for cut panels 12 6.9.3 Rectangularity of cut panels .13 7 Non-electrical properties of the base material after complete removal of the copper foil13 7.1 Appearance of the dielectric base material.13 7.2 Flexural strength13 7.3 Flammability14 7.4 Water absorption .14 7.5 Measling15 7.6 Glass transi

    24、tion temperature and cure factor15 7.7 Decomposition temperature .15 7.8 Thermal resistance 16 7.9 Z-axis expansion .16 8 Quality assurance .16 8.1 Quality system .16 8.2 Responsibility for inspection.16 8.3 Qualification inspection16 8.4 Quality conformance inspection .16 8.5 Certificate of conform

    25、ance.17 61249-2-38 IEC:2008 3 8.6 Safety data sheet.17 9 Packaging and marking.17 10 Ordering information .17 Annex A (informative) Engineering information .18 Annex B (informative) Common laminate constructions.20 Annex C (informative) Guideline for qualification and conformance inspection.22 Bibli

    26、ography23 Table 1 Electrical properties .7 Table 2 Nominal thickness and tolerance of metal-clad laminate.9 Table 3 Bow and twist 10 Table 4 Pull-off and peel strength .11 Table 5 Dimensional stability12 Table 6 Size tolerance for cut panels12 Table 7 Rectangularity of cut panels.13 Table 8 Flexural

    27、 strength14 Table 9 Flammability 14 Table 10 Water absorption .14 Table 11 Measling15 Table 12 Glass transition temperature and cure factor 15 Table 13 Decomposition temperature .15 Table 14 Thermal resistance 16 Table 15 Z-axis expansion16 4 61249-2-38 IEC:2008 INTERNATIONAL ELECTROTECHNICAL COMMIS

    28、SION _ MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES Part 2-38: Reinforced base materials, clad and unclad Non-halogenated epoxide woven E-glass laminate sheets of defined flammability (vertical burning test), copper-clad for lead-free assembly FOREWORD 1) The International Elect

    29、rotechnical 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-operation on all questions concerning standardization in the electrical and electronic fields.

    30、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 Nat

    31、ional 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 preparation. IEC collaborates closely with the International Organization for Standardization (

    32、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 consensus of opinion on the relevant subjects since each technical committee has representation

    33、 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 are made to ensure that the technical content of IEC Publications is accurate, IEC cannot b

    34、e 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 transparently to the maximum extent possible in their national and regional publications. A

    35、ny 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 be rendered responsible for any equipment declared to be in conformity with an IEC Publi

    36、cation. 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 members of its technical committees and IEC National Committees for any personal injury, prop

    37、erty 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 or any other IEC Publications. 8) Attention is drawn to the Normative references cited in

    38、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 may be the subject of patent rights. IEC shall not be held responsible for identifying any

    39、 or all such patent rights. International Standard IEC 61249-2-38 has been prepared by IEC technical committee 91: Electronics assembly technology. The text of this standard is based on the following documents: FDIS Report on voting 91/812/FDIS 91/834/RVD Full information on the voting for the appro

    40、val 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. 61249-2-38 IEC:2008 5 A list of all parts of the IEC 61249 series, under the general title Materials for printed boards and oth

    41、er interconnecting structures, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this

    42、 date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 6 61249-2-38 IEC:2008 MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES Part 2-38: Reinforced base materials, clad and unclad Non-halogenated epoxide woven E-glass laminate sheets of def

    43、ined flammability (vertical burning test), copper-clad for lead-free assembly 1 Scope This part of IEC 61249 gives requirements for properties of di-functional non-halogenated epoxide woven E-glass laminate sheet 0,05 mm up to 3,2 mm, of defined flammability (vertical burning test), copper-clad. The

    44、 glass transition temperature is defined to be 120 C minimum. Its flame resistance is defined in terms of the flammability requirements of 7.3. Some property requirements may have several classes of performance. The class desired should be specified on the purchase order otherwise the default class

    45、of material will be supplied. 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 amendments) appli

    46、es. IEC 61189-2:2006, Test methods for electrical materials, printed boards and other interconnection structures and assemblies Part 2: Test method for interconnection structures IEC 61249-5-1:1995, Materials for interconnection structures Part 5 : Sectional specification set for conductive foils an

    47、d films with and without coatings Section 1: Copper foils (for the manufacture of copper-clad base materials) ISO 9000, Quality management systems Fundamentals and vocabulary ISO 11014-1, Safety data sheet for chemical products Part 1: Content and order of sections ISO 14001, Environmental managemen

    48、t systems Requirements with guidance for use 3 Materials and construction The sheet consists of an insulating base with metal-foil bonded to one side or both. 3.1 Resin system Majority di-functional non-halogenated epoxide, modified non-halogenated epoxide, woven E-glass laminate with a glass transi

    49、tion temperature of 120 C minimum. The flammability rating is achieved through the use of non-halogenated flame retardants reacted into the polymer. Inorganic fillers may be used. Contrast agents may be added to enhance processing such as automated optical inspection (AOI). 61249-2-38 IEC:2008 7 The maximum total halogens contained in the resin plus


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