Heraeus Ball Bonding Wires
Within three major classifications of Heraeus gold ball bonding wires, the right wire can be found for any ball bonding application. These groups take into account mechanical strength and looping characteristics.
Gold Wire Segmentation by Application
Gold Wire Segmentation by Properties
|
Physical Properties
|
|
Properties
|
Units
|
4N (99.99% Au)
|
3N (99.9% Au)
|
2N (99% Au)
|
Resistivity
|
uOhms cm
|
2.2 - 2.4
|
2.4 - 2.7
|
3.0 - 3.
|
|
Elastic Modulus
|
GPa
|
80 - 95
|
85 - 100
|
85 - 10
|
|
Tensile Strength
|
N/mm2
|
> 240
|
> 250
|
> 260
|
|
Heat Affected Zone Length
|
|
Normal
|
Shorter
|
Shortest
|
|
Neck Strength
|
% Tensile Strength
|
85 - 90
|
85 - 95
|
90 - 95
|
|
Reliability Performance
|
|
Low
|
Medium
|
High
|
|
Looping Performance
|
|
Good
|
Excellent
|
Excellent
|
|
Bondability
|
|
Excellent
|
Excellent
|
Good
|
|
Molding Performance
|
|
Good
|
Excellent
|
Excellent
|
