The feedback loop regulates the tip–sample interaction during scanning by responding to changes in cantilever deflection. This control helps each probe follow surface features while measurements are collected, rather than allowing uncontrolled interaction to determine the signal. The resulting deflection data can be converted into topographic maps or material-property maps for nanoscale surface characterization.
Multiple probes divide the measurement workload by scanning separate defined regions at the same time. Compared with a single-probe arrangement, this increases throughput and shortens acquisition times while retaining nanoscale surface measurements. The parallel arrangement also expands the amount of surface sampled in one measurement, which is valuable when engineers need to examine variation across structured materials or devices.
By analyzing changes in cantilever deflection, the system can generate either topographic information or maps of material properties. This distinction lets an engineering study focus on surface structure, material properties, or both within the same nanoscale imaging approach. The resulting maps can support analysis of coatings, polymers, semiconductor devices, and other structured surfaces.
A typical measurement assigns each cantilever a defined surface region, scans those regions simultaneously, and uses feedback to maintain the controlled tip–sample interaction. During scanning, changes in cantilever deflection are recorded. Those signals are then used to produce topographic or material-property maps for comparison across the measured surface.
In engineering, the approach is relevant to semiconductor devices, coatings, polymers, and other structured surfaces. These targets can require both nanoscale detail and coverage over more than one local region. Parallel acquisition helps characterize such surfaces faster than a single-probe workflow, making the technique useful when surface information must be gathered efficiently.
Faster acquisition and broader spatial coverage support process monitoring and quality control by making surface measurements available in less time. Because multiple regions are sampled, engineers can also use the data to analyze surface variation statistically rather than relying only on one local area. This connects nanoscale imaging with research and manufacturing decisions.