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Bonding Wire & Ribbon

bonding wire ribbon

Proprietary process delivers cleaner and more uniform wire than traditional methods.

Williams Advanced Materials bonding wire and ribbon is manufactured using a proprietary hydrostatic extrusion process, providing a cleaner and more uniform wire. The extrusion process eliminates imperfections due the extreme pressure that envelops the metal as it passes through the die; therefore, fewer reductions are necessary. The end product produces smaller, more uniform ball size on the bonding pad and reduces bonding tool problems.

Gold Bonding Wire is available with a variety of engineered chemistries.  Gold wire is produced to meet the specifications of virtually all industry bonders and applications.  Williams also offers our HBX PLUS wire which is a low loop, long length wire for today's miniaturized packages.

Gold Bonding Ribbon is designed for high-power, high-reliability applications such as microwave devices.  Williams' extrusion process is well suited to achieve the metallurgical consistency and winding requirements of all bonding ribbon applications.

Typical Mechanical Properties for Gold Bonding Wire and Ribbon

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HBX – Automatic Bonders E = Elongation
Diameter E % Break Strength (gms) Minimum E % Break Strength (gms) Minimum E % Break Strength (gms) Minimum
.0007“ 0.5-2 6 2-5 4 5.8 5.8 3.5
.0008” 0.5-2 8 2-5 5.5 5-8 5
.0009” 0.5-2 12 2-5 6.5 5-9 6
.0010” 0.5-2 15 2-5 9 5-10 8
.00125” 0.5-2 22 2-5 14 5-11 10
.0015” 0.5-3 32 2-5 19 5-12 16
.002” 0.5-3 42 2-5 37 5-13 33

HBXL – Manual Bonders E = Elongation
Diameter E % Break Strength (gms) Minimum E % Break Strength (gms) Minimum E % Break Strength (gms) Minimum
.0007“ 0.5-2 5 2-5 3.5 5.8 2.5
.0008” 0.5-2 7 2-5 5 5-8 4
.0009” 0.5-2 11 2-5 5.5 5-8 65
.0010” 0.5-2 12 2-5 7.5 5-8 6.5
.00125” 0.5-2 20 2-5 12.5 5-8 10
.0015” 0.5-3 28 3-7 17.5 7-11 14.5
.002” 0.5-3 40 3-7 35 7-11 30

Au Bonding Ribbon E = Elongation
Diameter E % Break Strength (gms) Minimum E % Break Strength (gms) Minimum E % Break Strength (gms) Minimum
.0005 X .003” <3 35 3-8 15 8-14 12
.0005 X .005” <3 45 3-8 27 8-14 25
.001 X .010” <3 200 3-8 120 8-14 100
 
  • 99% Aluminum 1% Silicon Wire, for thermosonic bonding of semiconductor devices.
Typical Mechanical Properties for Aluminum Bonding Wire
E = Elongation  
  Al wire

Diameter

E %

Break Strength (min.g.)

.0007"

.5-3.5

7-10

.001"

1-4

13-16

 

1-4

15-18

.00125"

1-4

16-19

 

1-4

19-22

 

1-4

22-25 

 

1-4

24-27


HBX PLUS

HBX PLUS is ideal for applications that call for long length and low loop bonds. Williams' alloying expertise and stringent manufacturing process controls provides the foundation to meet the industries need for high-speed fine pitch bonding wire.

Engineered Chemistry & Superior Technology (put the following in bullets format)

  • Specifically designed chemistry for high speed, fine pitch wire bonding
  • Precise control of impurity levels leads to consistent material properties.
  • Be and Ca modified, 4-9's Au wire for improved break strength and smaller heat affected zones
  • Fully automated, multiple pass drawing technology leads to consistent wire properties, better wire finishes and improved bonding quality
  • Capable of winding up to 2000 meters per spool for improved equipment up time

By controlling the dopant levels, the annealed break strength of the wire is increased, making HBXPLUS ideal for long length bonds.

Break strength annealed

The same dopants also act to raise the re-crystallization temperature, which minimizes the HAZ, making HBX PLUS ideal for forming low loops.

Recrysallization Temperature

Performance Attributes (put the following as bullets)

  • Ideal for long length, low loop bonds
  • Very resilient, high stiffness resistant to wire sweep
  • Improved bonding tool performance

Process Example

Wire Diameter .001"
Wire Span 150 to 170 mils
Loop Height .006"
Machine Type K&S 8020
Package Type QFP 160 Lead

Mechanical Properties

Chemical Composition