IPC 4411 : A

1 SCOPE
  1.1 Purpose
  1.2 Classification
2 APPLICABLE DOCUMENTS
  2.1 IPC
  2.2 National Conference of Standards Laboratories (NCSL)
  2.3 TAPPI (Technical Association Pulp & Paper Industry)
  2.4 International Standards
  2.5 Japanese Industrial Standards (JIS)
3 REQUIREMENTS
  3.1 Terms and Definitions
      3.1.1 Para-Aramid Fiber
      3.1.2 Binder
      3.1.3 Bagginess
      3.1.4 Caliper Variation
      3.1.5 Conducting Particles
      3.1.6 Edge Tear/Damaged Roll Edge
      3.1.7 Dents
      3.1.8 Foreign Material
      3.1.9 Wrinkles/Folds
      3.1.10 Holes/Thin Spots
      3.1.11 Poor Formation
      3.1.12 Bundles
      3.1.13 Soft Roll/Telescoping
      3.1.14 Weight Variation
      3.1.15 Crease
      3.1.16 Tears
      3.1.17 Splice
      3.1.18 High Spots
  3.2 Physical Requirements
      3.2.1 Product
      3.2.2 Filament Diameter
  3.3 Visual Requirements
      3.3.1 Visual/Appearance Procedures
      3.3.2 Visual/Appearance Defects
      3.3.3 Contamination Requirements
  3.4 Dimensional Requirements
      3.4.1 Roll Length
      3.4.2 Roll Width
  3.5 Electrical Requirements
  3.6 Chemical Requirements
4 QUALITY ASSURANCE
  4.1 Responsibility for Inspection
      4.1.1 Test Equipment and Inspection Facilities
      4.1.2 Standard Laboratory Conditions
  4.2 Preparation of Samples
  4.3 Inspection Procedure
      4.3.1 Classification of Major and Minor Visual Defects
      4.3.2 Sampling Plans
      4.3.3 Contamination Inspection
  4.4 Acceptability Quality Level (AQL)
  4.5 Statistical Process Control (SPC)
5 PREPARATION FOR DELIVERY
  5.1 Roll Size
      5.1.1 Roll Length
      5.1.2 Roll Width
  5.2 Splices
  5.3 Preservation and Packaging
  5.4 Packing
  5.5 Labeling
6 NOTES
  6.1 Ordering Data
  6.2 New Reinforcements

Covers the requirements for nonwoven para-aramid reinforcement used in the manufacture of base materials primarily for rigid or multilayer printed boards in electrical and electronic applications. Determines the nomenclature, definitions, general comments, and physical requirements for reinforcement made from nonwoven para-aramid fibers. Provides physical characteristics of the reinforcement required to meet the design and performance requirements of the printed wiring boards (PWBs).