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FESPA-V2

Product Description:

A pack of 10 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 premiumetched 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 FESP-V2.

The current model FESPA 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
FESPA-V2 All Unmounted 10 $360.00 (USD)

Quantity discounts available

QtyPrice/Pack
2-6$306.00 (USD)
7-15$270.00 (USD)
16-24$234.00 (USD)
25-37$198.00 (USD)
38+$162.00 (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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