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FESPAW-V2

Product Description:

A wafer of High quality etched silicon probes for soft TappingMode™ imaging and force modulation in air.  Unmounted for use on standard AFM's.

Bruker AFM Probes has introduced an improved version of its popular, FESP/FESPA AFM probes. Bruker’s new line of FESP high quality premium etched silicon probes set the industry standard for soft TappingMode imaging and force modulation in air.  

The new design provides:
•         Tighter dimensional specifications for improved probe to probe consistency
•         Tighter alignment of the tip apex to the cantilever resulting in easier laser positioning over the tip
•         Improved probe quality & aesthetics  

This AFM probe is unmounted for use on any AFM and is also available without Aluminum reflex coating as model FESPW-V2.

The current model FESPAW is available for ordering through early 2015 at which point, it will become obsolete.

Add To Cart

Model Instrument Mount Pack Size Price Pack Quantity
FESPAW-V2 All Unmounted 375 $6,156.00 (USD)


Shape Resonant Freq. kHz Spring Const. N/m Length µm Width µm
Nom. Min. Max. Nom. Min. Max. Nom. Min. Max. Nom. Min. Max.
Rectangular 75 50 100 2.8 1 5 225 215 235 35 33 37

Tip Specification

Geometry: Standard (Steep)
Tip Height (h): 10 - 15µm
Front Angle (FA): 25 ± 2.5º
Back Angle (BA): 15 ± 2.5 º
Side Angle (SA): 22.5 ± 2.5 º
Tip Radius (Nom): 8 nm
Tip Radius (Max): 12 nm
Tip SetBack (TSB)(Nom): 15 µm
Tip Set Back (TSB)(RNG): 5 - 25 µm

Cantilever Specification

The Aluminum reflective coating on the backside of the cantilever increases the laser signal (A+B) by up to 2.5 times. Although not necessary for general imaging, reflective coating is recommended for thin cantilevers (< 2.5 µm), highly reflective samples, and machine vision applications.
Material: 0.01 - 0.025 Ωcm Antimony (n) doped Si
Geometry: Rectangular
Cantilevers Number: 1
Cantilever Thickness (Nom): 2.75 µm
Cantilever Thickness (RNG): 2.0 - 3.5 µm
Back Side Coating: Reflective Aluminum
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