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Aluminum Wire - Strong Electric Conductivity

Aluminum Wire

COINING specializes in supplying Aluminum wire which is used in microelectronics devices as an electrical interconnect, either between a chip and a substrate or between two chips. Aluminum wire is used throughout the electronics industry due to its low cost, suitability for ultrasonic wedge bonding, and eliminates the problem of “purple plague” associated with gold wire bonded to an aluminum contact.


We can draw aluminum alloys to diameters as small as 0.0005” 

Material Specification

99.999% Aluminum:

Al -99.998%min.; Ni < 2ppm;

Cu, Mg, Si, Fe < 5ppm

99.99% Aluminum + Ni:

Al –99.99%; Ni –47-53ppm;

Cu, Mg < 20ppm;Si, Fe < 10ppm

Alloyed wires are generally preferred to pure Aluminum because of greater drawing ease to fine sizes and higher pull test strengths in a finished devise. The addition of nickel causes the Aluminum wire to be corrosion resistant. COINING also offers Al-Si, Al-Cu and Al-Mg wire.

Aluminium wire - Metal Bonding

  • Homogenous high purity
  • Strong electrical conductivity
  • Ultra clean surfaces
  • Smooth finish
  • Fine pitch
  • Automotive
  • Microelectronics devices
  • Microwave
  • High power applications
High power applications

COINING’s in-house drawing, rolling, annealing and analytic capabilities ensure we deliver homogenous high purity wire with ultra clean surfaces and smooth finish. If you require wire or ribbon in either high purity aluminum, or alloyed with another metal, COINING is your go to for flexibility, precision, and speed.