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BSI 23/30479769 DC 2023

BSI 23/30479769 DC 2023

$13.70

BS EN IEC 61249-2-52 Materials for printed boards and other interconnecting structures – Part 2-52. Reinforced base materials clad and unclad. Thermosetting hydrocarbon resin system, woven E-glass reinforced laminate sheets of defined flammability (vertical burning test), copper-clad

Published By Publication Date Number of Pages
BSI 2023 22
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PDF Catalog

PDF Pages PDF Title
1 30479769-NC.pdf
3 91_1905e_CD.pdf
6 FOREWORD
8 Scope
Normative references
Terms and definitions
Materials and Construction
4.1 General
4.2 Resin system
4.3 Metal foil
9 4.4 Reinforcement
Internal marking
Electrical properties
10 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
7.1.4 Scratches
7.1.5 Raised areas
11 7.1.6 Surface waviness
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 Thermal stress
7.7 Solderability
7.8 Punching and machining
13 7.9 Dimensional stability
7.10 Sheet sizes
7.10.1 Typical sheet sizes
7.10.2 Tolerances for sheet sizes
7.11 Cut panels
7.11.1 Cut panel sizes
7.11.2 Size tolerances for cut panels
14 7.11.3 Rectangularity of cut panels
Non-electrical properties of the base material after complete removal of the copper foil
8.1 Appearance of the dielectric base material
8.2 Flexural strength
15 8.3 Flammability
8.4 Water absorption
16 8.5 Measling
8.6 Glass transition temperature and cure factor
8.7 Decomposition temperature
8.8 Time to delamination (TMA)
8.9 Z-axis expansion
8.10 X/Y-axis expansion
17 8.11 Thermal conductivity
Quality assurance
9.1 Quality system
9.2 Responsibility for inspection
9.3 Qualification inspection
9.3.1 General
9.3.2 Sampling plan
9.3.3 Frequency
9.3.4 Judgment Rules
9.4 Quality conformance inspection
9.4.1 General
9.4.2 Inspection lot
9.4.3 Test of Group B
9.4.4 Test of Group C
18 9.4.5 Judgment Rules
9.4.6 Rejected lots
9.5 Certificate of conformance
9.6 Safety data sheet
Packaging and marking
Ordering information
20 Annex A (informative) Common laminate constructions
21 Annex B (informative) Guideline for qualification and conformance inspection
22 Bibliography

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BSI 23/30479769 DC 2023
$13.70