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IEC 61249-2-5 : 1.0

IEC 61249-2-5 : 1.0

MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES - PART 2-5: REINFORCED BASE MATERIALS, CLAD AND UNCLAD - BROMINATED EPOXIDE CELLULOSE PAPER REINFORCED CORE/WOVEN E-GLASS REINFORCED SURFACES LAMINATED SHEETS OF DEFINED FLAMMABILITY (VERTICAL BURNING TEST), COPPER-CLAD

International Electrotechnical Committee

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Table of Contents

FOREWORD<br>1 Scope<br>2 Normative references<br>3 Materials and construction<br>&nbsp;&nbsp;&nbsp;3.1 Resin system<br>&nbsp;&nbsp;&nbsp;3.2 Reinforcement<br>&nbsp;&nbsp;&nbsp;3.3 Metal foil<br>4 Internal marking<br>5 Electrical properties<br>6 Non-electrical properties of the copper-clad laminate<br>&nbsp;&nbsp;&nbsp;6.1 Appearance of the copper-clad sheet<br>&nbsp;&nbsp;&nbsp;6.2 Appearance of the unclad face<br>&nbsp;&nbsp;&nbsp;6.3 Laminate thickness<br>&nbsp;&nbsp;&nbsp;6.4 Bow and twist<br>&nbsp;&nbsp;&nbsp;6.5 Properties related to the copper foil bond<br>&nbsp;&nbsp;&nbsp;6.6 Punching and machining<br>&nbsp;&nbsp;&nbsp;6.7 Dimensional stability<br>&nbsp;&nbsp;&nbsp;6.8 Sheet sizes<br>&nbsp;&nbsp;&nbsp;6.9 Cut panels<br>7 Non-electrical properties of the base material after <br>&nbsp;&nbsp;&nbsp;complete removal of the copper foil<br>&nbsp;&nbsp;&nbsp;7.1 Appearance of the dielectric base material<br>&nbsp;&nbsp;&nbsp;7.2 Flexural strength<br>&nbsp;&nbsp;&nbsp;7.3 Flammability<br>&nbsp;&nbsp;&nbsp;7.4 Water absorption<br>&nbsp;&nbsp;&nbsp;7.5 Measling<br>&nbsp;&nbsp;&nbsp;7.6 Glass transition temperature and cure factor<br>8 Quality assurance<br>&nbsp;&nbsp;&nbsp;8.1 Quality system<br>&nbsp;&nbsp;&nbsp;8.2 Responsibility for inspection<br>&nbsp;&nbsp;&nbsp;8.3 Qualification inspection<br>&nbsp;&nbsp;&nbsp;8.4 Quality conformance inspection<br>&nbsp;&nbsp;&nbsp;8.5 Certificate of conformance<br>&nbsp;&nbsp;&nbsp;8.6 Safety data sheet<br>9 Packaging and marking<br>10 Ordering information <br>Annex A (informative) Engineering information<br>Annex B (informative) Common laminate construction<br>Annex C (informative) Guideline for qualification and <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;conformance inspection<br>Bibliography

Abstract

Gives requirements for properties of brominated epoxide cellulose paper reinforced core/woven E-glass reinforced surfaces-laminated sheets of defined flammability (vertical burning test), copper-clad in thicknesses of 0,80 mm up to 1,70 mm.

General Product Information

Document Type Standard
Status Current
Publisher International Electrotechnical Committee
Committee TC 91

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