Nikola Vladov
Focused ion beam milling of brass for microinjection mould fabrication
Vladov, Nikola; Ratchev, Svetan; Segal, Joel
Authors
Professor SVETAN RATCHEV svetan.ratchev@nottingham.ac.uk
Cripps Professor of Production Engineering & Head of Research Division
JOEL SEGAL joel.segal@nottingham.ac.uk
Professor
Abstract
In this paper focused ion beam (FIB) milling (sputtering) is demonstrated for the fabrication of brass microinjection moulding inserts which have been previously conventionally milled. It is found that FIB milling of the α phase of the material results in much smoother final surfaces than the β phase. An annealing procedure for minimizing the effects of differential sputtering has also been performed. Further with the help of Scanning Electron Microscopy (SEM) and White Light Interferometry (WLI) measurements the FIB milling yield for 70-30 cartridge brass is determined and analysed. Finally, FIB milling of 5µm square trenches with a flat bottom surface is demonstrated.
Citation
Vladov, N., Ratchev, S., & Segal, J. Focused ion beam milling of brass for microinjection mould fabrication.
Conference Name | International Conference on Micromanufacturing (ICOMM 2011) |
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End Date | Mar 10, 2011 |
Deposit Date | Aug 11, 2015 |
Peer Reviewed | Peer Reviewed |
Keywords | FIB, injection moulding, micro insert, brass, milling |
Public URL | https://nottingham-repository.worktribe.com/output/1010227 |
Related Public URLs | http://icomm.northwestern.edu/ |
Files
ICOMM-2011_paper_Nikola_Vladov.pdf
(796 Kb)
PDF
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