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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    BS EN 61249-2-42 - MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES - PART 2-42: REINFORCED BASE MATERIALS, CLAD AND UNCLAD - BROAMINATED EPOXIDE NON-WOVEN/WOVEN E-GLASS REINFORCED LAMINATED SHEETS OF DEFINED FLAMMABILITY (VERTICAL BURNING TEST), COPPER-CLAD FOR LEAD-FREE ASSEMBLY

    Available format(s):  Hardcopy, PDF

    Superseded date:  30-06-2010

    Language(s):  English

    Published date: 

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    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 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 Time to delamination(TMA)
    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
       A.1 General
       A.2 Chemical properties
       A.3 Electrical properties
       A.4 Flammability properties
       A.5 Mechanical properties
       A.6 Physical properties
       A.7 Thermal properties
    Annex B (informative) - Common laminate constructions
    Annex C (informative) - Guideline for qualification and
            conformance inspection
    Bibliography

    General Product Information - (Show below) - (Hide below)

    Comment Closes On
    Committee EPL/501
    Document Type Draft
    Publisher British Standards Institution
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 11014-1:1994 Safety data sheet for chemical products Part 1: Content and order of sections
    IEC 61249-5-1:1995 Materials for interconnection structures - Part 5: Sectional specification set for conductive foils and films with and without coatings - Section 1: Copper foils (for the manufacture of copper-clad base materials)
    ISO 14001:2015 Environmental management systems — Requirements with guidance for use
    IEC 60194:2015 Printed board design, manufacture and assembly - Terms and definitions
    ISO 9000:2015 Quality management systems — Fundamentals and vocabulary
    IEC 61189-2:2006 Test methods for electrical materials, printed boards and other interconnection structures and assemblies - Part 2: Test methods for materials for interconnection structures
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