IEC 61249-2-37:2008
Current
The latest, up-to-date edition.
Materials for printed boards and other interconnecting structures - Part 2-37: Reinforced base materials, clad and unclad - Modified non-halogenated epoxide woven E-glass laminate sheets of defined flammability (vertical burning test), copper-clad for lead-free assembly
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French
27-11-2008
FOREWORD
1 Scope
2 Normative references
3 Materials and construction
3.1 Resin system
3.2 Metal foil
3.3 Reinforcement
4 Internal marking
5 Electrical properties
6 Non-electrical properties of the copper-clad laminate
6.1 Appearance of the copper-clad sheet
6.1.1 Indentations (pits and dents)
6.1.2 Wrinkles
6.1.3 Scratches
6.1.4 Raised areas
6.1.5 Surface waviness
6.2 Appearance of the unclad face
6.3 Laminate thickness
6.4 Bow and twist
6.5 Properties related to the copper foil bond
6.6 Punching and machining
6.7 Dimensional stability
6.8 Sheet sizes
6.8.1 Typical sheet sizes
6.8.2 Tolerances for sheet sizes
6.9 Cut panels
6.9.1 Cut panel sizes
6.9.2 Size tolerances for cut panels
6.9.3 Rectangularity of cut panels
7 Non-electrical properties of the base material after
complete removal of the copper foil
7.1 Appearance of the dielectric base material
7.2 Flexural strength
7.3 Flammability
7.4 Water absorption
7.5 Measling
7.6 Glass transition temperature and cure factor
7.7 Decomposition temperature
7.8 Thermal resistance
7.9 Z-axis expansion
8 Quality assurance
8.1 Quality system
8.2 Responsibility for inspection
8.3 Qualification inspection
8.4 Quality conformance inspection
8.5 Certificate of conformance
8.6 Safety data sheet
9 Packaging and marking
10 Ordering information
Annex A (informative) Engineering information
Annex B (informative) Common laminate constructions
Annex C (informative) Guideline for qualification and
conformance inspection
Bibliography
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