FOREWORD
INTRODUCTION
1 Scope
2 Normative reference
3 Basic requirements
3.1 Design
3.2 Rigid board manufacturer
3.3 Assembly
3.4 Use
4 Deviations from flatness - rigid copper-clad
base material
4.1 Causes
4.2 Prevention and correction
4.3 Test methods and requirements
5 Deviations from flatness - unassembled rigid
printed boards
5.1 Causes
5.2 Prevention
5.3 Ratification
5.4 Requirements for flatness
5.5 Measurement methods
6 Deviations from flatness - rigid printed board
assemblies
6.1 Causes
6.2 Prevention
6.3 Correction
7 Problems associated with placement of surface-mounted
components
7.1 Placement of components (assembly)
7.2 Requirements for 'pick-and-place' machines
8 Deviations from flatness in service
9 Prevention summary
10 Corrective action summary
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications