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    AFM Modes

QuickStep SCM Mode

High Throughput QuickStep Scan

With the implementation of QuickStep scan, the throughput of the SCM measurement was dramatically increased, as much as ten times the standard SCM scan speeds, without compromising signal sensitivity, spatial resolution or data accuracy. In QuickStep scan, the XY scanner stops at each pixel point to record the data. It makes a fast jump between the pixel points.

  • Ten times faster than conventional SCM scan
  • No compromise of signal sensitivity, spatial resolution, or data accuracy

QuickStep Scan


Rather than continuous movements, the XY scanner stop at each data acquisition point.


Scan rate 1.5Hz

Conventional Scan


Scan rate 1Hz

Scan size: 10µm×3µm, AC Bias: 0.5 Vp-v, DC Bias: 0 V

Accurate Dopant Profiling by Park SCM

In semiconductor manufacturing, the ability to characterize the dopant profile is important in identifying causes of failure as well as in making design advancements. For device characterization, scanning capacitance microscopy (SCM) provides the unique ability to measure quantitative 2D dopant profiles.


PinPoint Conductive AFM Mode

PinPoint Conductive AFM was developed for well defined electric contact between the tip and the sample. They XY scanner stops during the electric current acquisition with contact time controlled by a user. PinPoint Conductive AFM allows higher spatial resolution, without lateral force, with optimized current measurement over different sample surface.


PinPoint Mode





Sample: ZnO nano-rods, -3 V sample bias

The comparison of conductive AFM images of ZnO nanorods show that the conventional contact conductive AFM may have a higher current measurement than tapping conductive AFM, but its resolution is compromised as the tip wears out in contact mode topography. The new PinPoint conductive AFM shows the best of both higher spatial resolution and optimized current measurement.

High-bandwidth, Low-noise Conductive AFM

Conductive AFM is an important tool in various device research, especially failure analysis in industry. Park conductive AFM has the most competitive specification in the market, having both the lowest current noise level in the industry and the largest gain range.

  • The lowest current noise level in the industry (0.1 pA)
  • Maximum current in the industry (10 μA)
  • Largest gain selection covers 7 orders of magnitude (103 ~109)

Park NX20 advanced SPM modes (*Optionally available)

Standard Imaging


Park NX20 - AFM Modes | Park Atomic Force Microscope