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  4. Top-Down Fabrication of Silicon Nanowires in Ultra-deep Trenches
 
conference paper

Top-Down Fabrication of Silicon Nanowires in Ultra-deep Trenches

Tasdemir, Zuhal  
•
Sacchetto, Davide  
•
Peric, Oliver  
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2014
Proceedings of the 40th International Conference on Micro and Nano Engineering
40th International Conference on Micro and Nano Engineering

One-Dimensional (1D) nanostructures have gained a considerable attention in the field of semiconductor technology for the past several decades. With the help of rapid development in the process technology, it becomes possible to scale these nanostructures down, leading to higher performance devices.Even though there are some techniques which use bottom-up approach, the resulted structures suffer from the alignment and manipulation (pick and place) issues making a reliable integration even more difficult to achieve due to interfacing problems. In order to eliminate assembly issues, the limits of the conventional micro/nano-fabrication processes should be addressed and further studied. In addition, the use of single-crystal silicon in conventional micro/nano-fabrication processes gives the advantage of improved mechanical performance thanks to the lack of impurities and crystallographic defects as compared to their bottom-up counterparts.In this study, we exploit the approach of the well-known micromachining process called SCREAM (Single Crystal Reactive Etching and Metallization). Si NW is patterned on the silicon wafer by using e-beam lithography. Conventional reactive ion etching is then used to both suspend the patterned nanowire along with etching whole silicon surface, which will form the rest of the microscale device.

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Type
conference paper
Author(s)
Tasdemir, Zuhal  
Sacchetto, Davide  
Peric, Oliver  
Fantner, Georg  
Leblebici, Yusuf  
Alaca, B. Erdem
Date Issued

2014

Publisher place

Lausanne

Published in
Proceedings of the 40th International Conference on Micro and Nano Engineering
Subjects

e-beam lithography

•

reactive ion etching (RIE)

•

ultra-deep trench etching

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LSM  
LBNI  
Event nameEvent placeEvent date
40th International Conference on Micro and Nano Engineering

Lausanne, Switzerland

September 22-26, 2014

Available on Infoscience
October 9, 2014
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/107329
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