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Preamplifying Cantilever For Contact Resonance Mode Imaging
University of California System: University of California, Santa Barbara
posted on 06/19/2009
A novel preamplifying cantilever (PCL) design for scanning probe microscopes (SPM) that is capable of mechanically amplifying specimen movements.
Suggested Uses
- Scanning probe microscopes
- Ferroelectric domain imaging
This technology is available for licensing.
Advantages
- Mechanical preamplification up to 100x
- Increased sensitivity and signal-to-noise ratio
Detailed Description
Researchers at the University of California, Santa Barbara have created a novel preamplifying cantilever (PCL) design for scanning probe microscopes (SPM) that is capable of mechanically amplifying specimen movements. Initial tests show an amplitude amplification greater 10 and a high improvement on the signal to noise ratio of the overall measurement. The cantilever design fits seamless into existing scanning probe microscopes and fabrication schemes for cantilevers.
File Number: 19179
Other Information:
Background
Both AC electric fields and actuation frequency directly influence the output amplitude and signal- to- noise ration of the measurement. However, the number of times the required AC electric fields for the good signal-to-noise ratio is in the same order of magnitude to create polarization in the specimen, thereby affecting the measurement.
| Copyright: | ©2009-2010, The Regents of the University of California |
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This innovation currently is not available for online licensing. Please contact Franco Caporale at University of California System: University of California, Santa Barbara for more information.
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