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Fabrication and analysis of cylindrical resin AFM microcantilevers
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Cheneler, D., Bowen, J., Leigh, Simon J., Purssell, C. P., Billson, Duncan R., Hutchins, David A. and Ward, M. C. L. (2011) Fabrication and analysis of cylindrical resin AFM microcantilevers. Ultramicroscopy, Vol.111 (No.8). pp. 1214-1223. doi:10.1016/j.ultramic.2011.03.009 ISSN 0304-3991.
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Official URL: http://dx.doi.org/10.1016/j.ultramic.2011.03.009
Abstract
In this paper a new method of fabricating cylindrical resin microcantilevers using the Direct Digital Manufacturing (DDM) technique of Micro-stereolithography (MSL) is described. The method is rapid and commercially viable, allowing the fabrication of atomic force microscope (AFM) cantilevers which exhibit much larger spring constants than those currently commercial available. This allows for experimentation in a force regime orders of magnitude higher than currently possible using the AFM. This makes these cantilevers ideally suited for AFM-based depth sensing indentation. Due to their geometry, the assumptions used in the standard Euler–Bernoulli beam theory usually used to analyse AFM cantilevers may no longer be valid. Therefore approximate analytical solutions based on Timoshenko beam theory have been derived for the stiffness and resonant frequency of these cantilevers. Prototypes of the cantilevers have been fabricated and tested. Results show good agreement between experiment and theory.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
| Journal or Publication Title: | Ultramicroscopy | ||||
| Publisher: | Elsevier BV | ||||
| ISSN: | 0304-3991 | ||||
| Official Date: | July 2011 | ||||
| Dates: |
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| Volume: | Vol.111 | ||||
| Number: | No.8 | ||||
| Page Range: | pp. 1214-1223 | ||||
| DOI: | 10.1016/j.ultramic.2011.03.009 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Funder: | Advantage West Midlands (AWM), European Regional Development Fund (ERDF) |
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