Ultra-fine wire is an exceptionally thin wire with a diameter of less than 0.02 mm (20 microns). Due to its extremely fine structure, it is used wherever maximum precision, minimal spatial requirements, and specific electrical or mechanical properties are essential—particularly in microelectronics, sensor technology, and medical engineering.
Technical characteristics of ultra-fine wire:
- Diameter range: 0.008 mm to 0.02 mm
- Manufacturing tolerances: within the sub-micron range (down to ±0.0005 mm)
- Roundness & surface quality: critical for functionality and downstream processing
- Mechanical properties: high tensile strength combined with excellent flexibility
- Available finishes: bare, annealed, insulated, coated
Ultra-fine wire is essential for a wide range of high-precision applications:
- Microelectronics: bonding wire for semiconductors, micro-coils
- Sensor technology: micro-thermocouples, strain gauges, micro contacts
- Medical engineering: stents, microprobes, catheter wires, hearing aids
- Laboratory & analytical technology: micro heating elements, contact filaments
- Optoelectronics: fiber interconnects, LED bonding
Berkenhoff manufactures ultra-fine wires for high-end applications under the most stringent quality standards.
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