Abstract
Resistance control of wire transmission and force control of tension are the key technologies of the wire feed system and have a critical impact on the bonding quality. To solve the problems of large transmission resistance and unstable transmission tensile force of wire feed system in automatic wire bonder, low-friction wire feed system composed of air guide and vacuum tension device based on the wire bonding process and technological requirements of the system was designed to reduce the resistance of wire transmission. The stress models of gold wire in the air guide and vacuum tension device were established and the relationship between the control parameters and force on the wire of the two parts were found. Experiments were carried out to verify the stress models of gold wire in the air guide and air tensioner, the results of which show that the models meet the low friction requirement.
| Original language | English |
|---|---|
| Pages (from-to) | 31-36 |
| Number of pages | 6 |
| Journal | Nanotechnology and Precision Engineering |
| Volume | 8 |
| Issue number | 1 |
| State | Published - Jan 2010 |
Keywords
- Air guide
- Vacuum tension
- Wire bonding
- Wire feed system
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