BS EN 1758:1998
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
15-05-1998
Foreword
1 Scope
2 Normative references
3 Definitions
3.1 Strip
3.2 Lead frame
4 Designations
4.1 Material
4.2 Material condition
4.3 Product
5 Ordering information
6 Requirements
6.1 Composition
6.2 Mechanical properties
6.3 Technological properties
6.4 Dimensions and tolerances
6.5 Form tolerances
6.6 Surface properties
6.7 Edge stress
6.8 Electrical conductivity
7 Sampling
7.1 General
7.2 Analysis
7.3 Mechanical and other tests
8 Test methods
8.1 Analysis
8.2 Tensile test
8.3 Hardness test
8.4 Bend test
8.5 Edge burr b
8.6 Coil set
8.7 Transverse cross bow q
8.8 Twist alpha
8.9 Roughness
8.10 Solderability
8.11 Edge stress
8.12 Electrical resistivity or conductivity test
8.13 Retests
8.14 Rounding of results
9 Declaration of conformity and inspection documentation
9.1 Declaration of conformity
9.2 Inspection documentation
10 Marking, packaging, labelling
Annex A (informative) Physical properties
Annex B (informative) Bibliography
Annex C (normative) Lead fatigue test
Table 1 Composition of copper
Table 2 Composition of low alloyed copper alloys
Table 3 Mechanical properties
Table 4 Tolerances on thickness
Table 5 Tolerances on width
Table 6 Edgewise curvature c
Table 7 Edge burr b
Table 8 Coil set
Table 9 Transverse cross bow q
Table 10 Roughness
Table A.1 Physical properties
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