BSI 24/30491008 DC:2024 Edition

$13.70

BS EN IEC 61249-3-6. Materials for printed boards and other interconnecting structures – Part 3-6. Sectional specification set for unreinforced base materials, clad and unclad – PTFE unfilled laminate sheets of defined flammability (vertical burning test), copper-clad

Published By	Publication Date	Number of Pages
BSI	2024	21

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PDF Catalog

PDF Pages	PDF Title
6	FOREWORD
8	1 Scope 2 Normative references 3 Terms and definitions
9	4 Construction and Materials 4.1 Construction 4.2 Resin system 4.3 Filler 4.4 Metal foil 4.5 Reinforcement 5 Internal marking 6 Electrical properties
10	7 Non-electrical properties of the copper-clad laminate 7.1 Appearance of the copper-clad sheet 7.1.1 General 7.1.2 Indentations (pits and dents) 7.1.3 Wrinkles
11	7.1.4 Scratches 7.1.5 Raised areas 7.2 Appearance of the unclad face 7.3 Laminate thickness 7.4 Bow and twist
12	7.5 Properties related to the copper foil bond 7.6 Heat shock 7.7 Machining
13	7.8 Dimensional stability 7.9 Sheet sizes and tolerances 7.9.1 Typical sheet sizes 7.9.2 Tolerances for sheet sizes 7.10 Cut panels sizes, tolerances and rectangularity 7.10.1 Cut panel sizes 7.10.2 Size tolerances for cut panels
14	7.10.3 Rectangularity of cut panels 8 Non-electrical properties of the base material after complete removal of the copper foil 8.1 Appearance of the dielectric base material 8.2 Flammability
15	8.3 Water absorption 8.4 Glass transition temperature and cure factor 8.5 Decomposition temperature 8.6 Z-axis CTE 8.7 X/Y-axis CTE 8.8 Thermal Conductivity
16	9 Quality assurance 9.1 Quality system 9.2 Responsibility for inspection 9.3 Qualification inspection 9.3.1 General 9.3.2 Samples 9.3.3 Frequency 9.3.4 Criterion Rule
17	9.4 Quality Conformance inspection 9.4.1 General 9.4.2 Inspection lot 9.4.3 Group A inspection 9.4.4 Group B inspection
18	9.4.5 Group C inspection 9.4.6 Criterion Rule 9.4.7 Rejected lots 9.5 Certificate of conformance 9.6 Safety data sheet 10 Packaging and marking 11 Ordering information
20	Annex A (informative) Engineering information A.1 General A.2 Electrical properties A.3 Non-electrical properties of the base material after complete removal of the copper foil
21	Bibliography