• IEC 61249-4-14:2009

    Current The latest, up-to-date edition.

    MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES - PART 4-14: SECTIONAL SPECIFICATION SET FOR PREPREG MATERIALS, UNCLAD (FOR THE MANUFACTURE OF MULTILAYER BOARDS) - EPOXIDE WOVEN E-GLASS PREPREG OF DEFINED FLAMMABILITY (VERTICAL BURNING TEST) FOR LEAD-FREE ASSEMBLY

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English, English - French

    Published date:  26-05-2009

    Publisher:  International Electrotechnical Committee

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

    FOREWORD
    1 Scope
    2 Normative references
    3 Materials and construction
      3.1 Reinforcement
      3.2 Resin system
    4 Properties
      4.1 Properties related to the appearance of the prepreg
          4.1.1 Dewetted areas (fish eyes)
          4.1.2 Broken filaments
          4.1.3 Distortion
          4.1.4 Creases
          4.1.5 Edge conditions
      4.2 Properties related to B-stage prepreg
          4.2.1 Resin content
          4.2.2 Treated weight
          4.2.3 Resin flow
          4.2.4 Scaled flow thickness
          4.2.5 Melting viscosity
          4.2.6 Gel time
          4.2.7 Volatile content
      4.3 Properties related to prepreg after curing
          4.3.1 Electric strength
          4.3.2 Flammability
          4.3.3 Relative permittivity and dissipation factor
          4.3.4 Cured thickness
          4.3.5 Glass transition temperature (Tg)
          4.3.6 Decomposition temperature (Td)
          4.3.7 Thermal resistance
          4.3.8 Z-axis expansion
    5 Delivery form
      5.1 Rolls
      5.2 Sheets
      5.3 Cut panels
    6 Quality assurance
      6.1 Quality system
      6.2 Responsibility for inspection
      6.3 Qualification inspection
      6.4 Quality conformance inspection
      6.5 Certificate of conformance
      6.6 Safety data sheet
    7 Packaging and marking
    8 Shelf life
    9 Ordering information
    Bibliography

    Abstract - (Show below) - (Hide below)

    Provides requirements for properties of prepreg that are mainly intended to be used as bonding sheets in connection with laminates according to IEC 61249-2-36 when manufacturing multilayer boards according to IEC 62326-4.

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

    Committee TC 91
    Development Note Stability Date: 2020. (09/2017)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Current

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

    IEC 61249-2-7:2002 MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES - PART 2-7: REINFORCED BASE MATERIALS CLAD AND UNCLAD - EPOXIDE WOVEN E-GLASS LAMINATED SHEET OF DEFINED FLAMMABILITY (VERTICAL BURNING TEST), COPPER-CLAD
    ISO 11014-1:1994 Safety data sheet for chemical products Part 1: Content and order of sections
    IEC 62326-4:1996 Printed boards - Part 4: Rigid multilayer printed boards with interlayer connections - Sectional specification
    IEC 60194:2015 Printed board design, manufacture and assembly - Terms and definitions
    IEC 61249-2-36:2008 MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES - PART 2-36: REINFORCED BASE MATERIALS, CLAD AND UNCLAD - EPOXIDE WOVEN E-GLASS LAMINATE SHEETS OF DEFINED FLAMMABILITY (VERTICAL BURNING TEST), COPPER-CLAD FOR LEAD-FREE ASSEMBLY
    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
    IEC 61249-2-8:2003 MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES - PART 2-8: REINFORCED BASE MATERIALS CLAD AND UNCLAD - MODIFIED BROMINATED EPOXIDE WOVEN FIBREGLASS REINFORCED LAMINATED SHEETS OF DEFINED FLAMMABILITY (VERTICAL BURNING TEST), COPPER-CLAD
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