Automatic wire bonder: wedge bonding

Automatic wire bonder Head of auto wire bonder


The Hesse & Knipps BJ710 is a fully automatic machine for ultra-sonic wire bonding. The machine suits for prototyping as well as for mass production.


  • Types of welding: wedge-wedge
  • Operational frequency: 90 kHz
  • Wires: aluminum or gold of 18 to 75 μm diameter
  • Force range: 10 to 150 cN
  • Ultrasonic power: 0.1 to 2.5 W
  • X, Y and Z motorized axis
  • 360° rotating head
  • Programmed loop shape.


The machine performs the wire-bonding: die to package and die to PCB (chip on board), die to die (stacked IC)

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Last update on January 15, 2021