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Quick Overview

Silicon probe with high aspect ratio tip (>5) for deep trench imaging.

f = 190 kHz   |   k = 48 N/m   |   tip coating: none
Product Name Price Qty
AR5-NCL (50 Pack)
(Ships in 1-2 Weeks)
AR5-NCL (20 Pack)
(Ships in 1-2 Weeks)
AR5-NCL (10 Pack)
(Ships in 1-2 Weeks)


High Aspect Ratio (> 5:1) - Non-Contact / Tapping Mode - Long Cantilever

NANOSENSORS™ AR5-NCL AFM tips are designed for non-contact or tapping mode AFM. The NCL probe is designed for SPM systems requiring a minimum cantilever length > 125 µm or a resonance frequency of less than 400 kHz. Compared to the high frequency non-contact type NCH the maximum scanning speed is slightly reduced. This cantilever type combines high operation stability with outstanding sensitivity and fast scanning ability.
For measurements on samples with sidewall angles approaching 90° NANOSENSORS™ produces specially tailored tips. These tips are FIB (Forced Ion Beam) milled to achieve a high aspect ratio portion better than 5:1 at the end of the common silicon tip. This subtractive method of producing the high aspect ratio needle offers the advantage of high lateral stiffness and rigidity of the tip.

The probe offers unique features:
  • Length of the high aspect ratio portion of the tip > 2 µm
  • Typical aspect ratio at 2 µm in the order of 7:1 (when viewed from side as well as along cantilever axis)
  • Half cone angle at 2 µm of the high aspect ratio portion typically < 5°
  • Guaranteed tip radius of curvature < 15 nm
  • Monolithic tip
  • Highly doped silicon to dissipate static charge
  • High mechanical Q-factor for high sensitivity
  • Alignment grooves on backside of silicon holder chip
  • Precise alignment of the cantilever position (within +/- 2 µm) when used with the Alignment Chip
  • Compatible with PointProbe® Plus XY-Alignment Series

    Cantilever Specifications
    Spring k (N/m 48 (21 - 98)
    Freq (kHz) 190 (146 - 236)
    Length (µm) 225 (215 - 235)
    Width (µm) 38 (30 - 45)
    Thickness (µm) 7.0 (6.0 - 8.0)
    Shape rectangular
    Material Silicon
    Reflex Coating (nm) none

    Tip Specifications
    Tip radius (nm) <15
    Tip height (µm) 12.5 +/- 2.5
    Front angle (°) 25 +/- 2
    Back angle (°) 15 +/- 2
    Side angle (°) 22.5 +/- 2
    Tip shape 4-sided
    Tip material Silicon
    Tip coating (nm) none

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    Additional Information

    Tip Radius 15
    Tip Radius 10-20 nm
    Spring Constant 48
    Frequency 190
    Compatibility No
    Manufacturer Nanosensors

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