qp-fast

uniqprobe™ for Soft- , Standard- , Fast Tapping/Dynamic AFM Imaging

NANOSENSORS qp-fast AFM probes with its 3 cantilevers are designed for soft-, standard- and fast- Non-Contact or Tapping Mode AFM imaging (also known as attractive or dynamic mode). This AFM probe combines high operation stability with outstanding sensitivity and fast scanning ability in air and liquid environments.

A metallic layer (Au) is coated on the detector side of the cantilever. The cantilever bending is less than 2⁰.

The NANOSENSORS uniqprobe combines the well-known features of the other NANOSENSORS AFM probe series such as high application versatility and compatibility with most commercial SPMs with the additional advantage of a strongly reduced dispersion of force constant and resonance frequency.

The unsurpassed uniformity of the mechanical characteristics of the uniqprobe series is particularly important for applications, where a large number of probes with known and near identical force constants or resonance frequencies are needed.

The probe offers unique features:

  • 3 cantilevers design for soft-, standard- and fast- Tapping/Dynamic Mode operation
  • small dispersion of force constant and resonance frequency
  • circular symmetric tip shape with a hyperbolic profile
  • typical tip height 6µm 
  • typical tip radius of curvature smaller than 10nm
  • Au coating on detector side of cantilever
  • tip and cantilevers are made of a quartz-like material
  • alignment grooves on backside of silicon holder chip
  • tip repositioning accuracy of better than ± 8µm (in combination with Alignment Chip)
  • chemically inert
Cantilever data:
Property Nominal Value Specified Range
Resonance Frequency / kHz CB1: 800
CB2: 420
CB3: 250
CB1: 600 - 1000
CB2: 340 - 500
CB3: 200 - 300
Force Constant /(N/m) CB1: 80
CB2: 30
CB3: 15
CB1: 50 - 140
CB2: 20 - 45
CB3: 10 - 20
Length /µm CB1: 40
CB2: 60
CB3: 80
CB1: 35 - 45
CB2: 55 - 65
CB3: 75 - 85
Mean Width /µm CB1: 22
CB2: 27
CB3: 32
CB1: 20 - 24
CB2: 25 - 29
CB3: 30 - 34
Thickness /nm CB1: 2500
CB2: 2500
CB3: 2500
CB1: 2470 - 2530
CB2: 2470 - 2530
CB3: 2470 - 2530
Order codes and shipping units:
Order Code AFM probes per pack
qp-fast-10 10
qp-fast-20 20
qp-fast-50 50

Special handling information for NANOSENSORS™ uniqprobes

Due to their unique geometry the tips of the uniqprobes are more susceptible to tip damage by electrostatic discharge (ESD) than other Silicon-SPM-Probes.

Electric fields near the probe chip may lead to field evaporation which can blunt the tip apex of the probe tip. Therefore the NANOSENSORS™ uniqprobes are shipped in specially designed ESD-safe chip carriers.

NANOSENSORS™ recommends to their customers to take appropriate precautions to avoid tip damage due to electrostatic discharge when handling the probes. This can for example be done by using anti-electrostatic mats, wrist bands and tweezers.

NANOSENSORS™ uniqprobe AFM Probes series