Nanonics Nanotweezer™ probes consist of two tapered platinumwires running through a nanopipette and kept electrically isolated. Applying a voltage of 70 V between these wires causes them to flex together as nanotweezers.



SEM of Nanotweezers™ showing the length of the tweezer
(line is 2µm)

Nanotweezers™Specifications

Pipette Material

Borosilicate glass

Shank Diameter

1.0-1.5 mm

Taper Length

3 - 5 mm

Total Length

10mm- 5 cm

Wire Material

Pt

Starting Wire Diameter

25 or 50 µm

Distance Between Wires

1-4 µm

Length of Wires Outside Glass

4 - 20 µm

Cantilever Characteristics

Tip Length

30 µm - 500 µm (Cantilevered);30 µm - 1000 µm (Straight)

Cantilever Height

50 - 500 µm (Deep Trench probes available)

Cantilever Length

300- 1000 µm

Force Constant

> 5-20 N/m

Resonant Frequency

> 390 kHz