Recently, Focused Ion Beam (FIB) instruments have begun be applied to organic materials such as polymers and biological systems. This provides a novel tool for sectioning biological samples for analysis, or microfabrication with environment friendly materials. The modeling of nano/micro scale geometry accurately sculptured by FIB milling is crucial for generating the milling plan and process control, and for computer simulation for prediction and visualization of the milled geometry. However, modeling of the ion milling process on compound materials, especially for high aspect ratio feature, is still difficult due to the complexity of target material, as well as multiple physical and chemical interactions involved. In this study, a comprehensive model of ion milling with organic targets is presented to address the challenges using a simulation based approach. This platform has also been validated by milling different features on water ice in a cryogenic environment, and the simulation and experiment results show great consistency. With the proliferation of nanotechnology to biomedical and biomaterial domains, the proposed approach is expected to be a flexible tool for various applications involving novel and heterogeneous milling targets.
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ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 30–September 2, 2009
San Diego, California, USA
Conference Sponsors:
- Design Engineering Division and Computers in Engineering Division
ISBN:
978-0-7918-4903-3
PROCEEDINGS PAPER
Optimization Based Geometric Modeling of Nano/Micro Scale Ion Milling of Organic Materials
Jing Fu,
Jing Fu
Pennsylvania State University, University Park, PA
Search for other works by this author on:
Sanjay B. Joshi
Sanjay B. Joshi
Pennsylvania State University, University Park, PA
Search for other works by this author on:
Jing Fu
Pennsylvania State University, University Park, PA
Sanjay B. Joshi
Pennsylvania State University, University Park, PA
Paper No:
DETC2009-87134, pp. 401-408; 8 pages
Published Online:
July 29, 2010
Citation
Fu, J, & Joshi, SB. "Optimization Based Geometric Modeling of Nano/Micro Scale Ion Milling of Organic Materials." Proceedings of the ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 6: ASME Power Transmission and Gearing Conference; 3rd International Conference on Micro- and Nanosystems; 11th International Conference on Advanced Vehicle and Tire Technologies. San Diego, California, USA. August 30–September 2, 2009. pp. 401-408. ASME. https://doi.org/10.1115/DETC2009-87134
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