Bondjet BJ955/959 Fully Automatic Heavy Wire Wedge Bonder

Hesse Mechatronics SKU: BJ955/BJ959
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Fully Automatic Heavy Wire Wedge Bonder

Bondjets BJ955 and BJ959 belong to the new generation of ultrasonic wedge-wedge bonders developed for the fully automated processing of a wide range of large-sized substrates, chips and other materials.

The systems can be used as a fully automatic machine or operated manually. Hesse offers the only available solution on the market of handling wires from 50 μm up to 600 μm** with only one bondhead.

Bondjet BJ955/959 are characterized by several new features:

  • Optimized pattern recognition
  • Software features for the growing demand of connectivity and industry 4.0 (e.g. Hesse Bonder Network, remote control of PR, improved MES integration, …)
  • Hesse Assist Tools: load cell, bondtool and wire spool detection, tool calibration without wedge gauge for operator independency Outstanding features are high speed and the largest bonding area.

A change from aluminium to copper can be realized within minutes. The Hesse GmbH, as technology leader, has designed the only heavy wire bondhead with a non destructive pulltest and a unique transducer integrated sensor for 100 % quality monitoring in real time. Advanced features available on the Bondjet BJ955 and BJ959 are designed to meet your present and future requirements and greatly enhance productivity. In addition to a standard configuration Hesse offers automation concepts individually adapted for every application.

BJ955-heavy wire bondhead

Heavy Wire Bondhead

Benefits and Features

Advanced features and process advantages

  • 50 μm – 600 μm** bondhead for Al, Cu, AlCu (2 mil – 24 mil)
  • Improved wire handling: short distance between bondhead and spool
  • Optimized pattern recognition: image capture with new digital image processing and flash
  • Hesse Assist Tools (option):
    • E-Box: patented solution for optimized tool change and programmable alignment marks for cutter, wire guide and bond wedge
    • Automated bondforce calibration; a load cell prevents operating error and ensures robust processes
    • Innovative bondtool detection
    • Wire spool detection
  • Automated bondtool calibration without wedge gauge
  • Precisely programmable bondforce actuator
  • Loop generator for individual loops
  • Wear-free components with Piezo technology
  • Maintenance-free solid state joints
  • Pre-setting of bondheads via EEPROM

Flexibility

  • Working area:
    • BJ955: 305 mm x 410 mm
    • BJ959: 370 mm x 560 mm
  • Flexible use of the large working area, e.g. vacuum clamping of several 5″ x 7″ standard DCBs
  • Maximization of throughput by automation (two/more parallel lanes


BJ955-959-ribbon-bondhead-1

Bondhead for Ribbon

Quality

  • Continuous real time monitoring of wire deformation, transducer current and frequency within programmable control limits
  • Process integrated Quality Control PiQC: detection of further parameters by additional sensor system (e.g. friction) for 100 % quality monitoring in real time (patented); as option
  • Remote pull function on PiQC threshold value for optimized cycle time; up to 30 % save on equipment
  • Integrated, non destructive pulltest for wire and ribbon

Heavy wire bondheads

  • Heavy wire and ribbon bondheads for Al, Cu and AlCu
  • An intelligent bondhead connecting system with integrated memory stores all calibration data and enables bondhead replacement in a few minutes
  • Wire clamp for loop shape control is standard on all bondheads; optionally equipped with non destructive pulltest

Technical Data

Working area

  • BJ955: X: 305 mm; Y: 410 mm; Z: 42 mm
  • BJ959: X: 370 mm; Y: 560 mm; Z: 42 mm
  • P-rotation: 440°

Mechatronic bondhead

  • HBK (Frontcut, Backcut); frequency: 60 kHz*
  • RBK Ribbon (Frontcut); frequency: 57kHz*
  • RBK Copper (Frontcut, Backcut); frequency: 57kHz*
    alternative Frequenzen auf Anfrage

Cutting methods

  • active, passive, air cut (for frontcut)

Wire

  • Al, Cu, AlCu: 50 μm – 600 μm**  (2 mil – 24 mil)

Ribbon

  • Al, Cu, AlCu: 250 μm x 25 μm bis 2000 μm x 400 μm** (Cu: 200 μm)
    (10 mil x 1 mil up to 80 mil x 16 mil)

Ultrasonic

  • Digital ultrasonic generator with PLL (Phase Locked Loop),
    internal frequency resolution <1 Hz
  • Programmable ultrasonic power output

Footprint and weight

  • BJ955: 740 mm x 1484 mm x 1912 mm (WxDxH, excl. light tower), appr. 1150 kg
  • BJ959: 805 mm x 1634 mm x 1912 mm (WxDxH, excl. light tower), appr. 1300 kg

Various loop form functions

  • Reproducible loop geometry by wire guide appropriate for the material involved and moving wire buffer
  • Constant wire length and loop height
  • Mechanically demanding loop geometrics by parameterization and individual wire clamp application
  • Individual loop shapes by configurable loop trajectory generator

* exact range of frequencies on request
**depending on application and wire

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