1、 IEC 61249-4-14Edition 1.0 2009-05INTERNATIONAL STANDARD Materials for printed boards and other interconnecting structures Part 4-14:Sectional specification set for prepreg materials,unclad(for the manufacture of multilayer boards)Epoxide woven E-glass prepreg of defined flammability(vertical burnin
2、g test)for lead-free assembly IEC 61249-4-14:2009(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2009 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of
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9、 feedback on this publication or need further assistance,please visit the Customer Service Centre FAQ or contact us:Email:csciec.ch Tel.:+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.IEC 61249-4-
10、14Edition 1.0 2009-05INTERNATIONAL STANDARD Materials for printed boards and other interconnecting structures Part 4-14:Sectional specification set for prepreg materials,unclad(for the manufacture of multilayer boards)Epoxide woven E-glass prepreg of defined flammability(vertical burning test)for le
11、ad-free assembly INTERNATIONAL ELECTROTECHNICAL COMMISSION NICS 31.180 PRICE CODEISBN 2-8318-1043-3 Registered trademark of the International Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 61249-4-14 IEC:
12、2009(E)CONTENTS FOREWORD.4 1 Scope.6 2 Normative references.6 3 Materials and construction.6 3.1 Reinforcement.6 3.2 Resin system.7 4 Properties.7 4.1 Properties related to the appearance of the prepreg.7 4.1.1 Dewetted areas(fish eyes).7 4.1.2 Broken filaments.7 4.1.3 Distortion.7 4.1.4 Creases.7 4
13、.1.5 Edge conditions.7 4.2 Properties related to B-stage prepreg.7 4.2.1 Resin content.8 4.2.2 Treated weight.8 4.2.3 Resin flow.8 4.2.4 Scaled flow thickness.8 4.2.5 Melting viscosity.8 4.2.6 Gel time.9 4.2.7 Volatile content.9 4.3 Properties related to prepreg after curing.9 4.3.1 Electric strengt
14、h.9 4.3.2 Flammability.9 4.3.3 Relative permittivity and dissipation factor.10 4.3.4 Cured thickness.10 4.3.5 Glass transition temperature(Tg).10 4.3.6 Decomposition temperature(Td).10 4.3.7 Thermal resistance.11 4.3.8 Z-axis expansion.11 5 Delivery form.11 5.1 Rolls.11 5.2 Sheets.11 5.3 Cut panels.
15、11 6 Quality assurance.12 6.1 Quality system.12 6.2 Responsibility for inspection.12 6.3 Qualification inspection.12 6.4 Quality conformance inspection.12 6.5 Certificate of conformance.12 6.6 Safety data sheet.12 7 Packaging and marking.12 8 Shelf life.13 9 Ordering information.13 Bibliography.14 L
16、ICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.61249-4-14 IEC:2009(E)3 Table 1 Flammability,vertical burning test.10 Table 2 Decomposition temperature requirements.10 Table 3 Thermal resistance requirements.11 Table 4 Z-axis expansion requirements.11 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.4 61249-4-14 IEC:2009(E)INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MAT
