Nano-Presentation

Nano-Presentation - Bottom Up Process (STM) STM = Scanning...

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Nano Fabrication Lecture !!!! December 2, 2009 Diana Sandy and Adam Baumgartner
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Introduction: Nano Technology Space Elevator -Need Material 180x Stronger than Steel !!!
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Photovoltaic NanoTechnology • Increasing surface area, for catalyzing reactions
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Medical Applications
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Manufacturing Methods • Top Down • Like Etching for Silicon Chips • Bottom Up • Like Rapid Prototype Machine
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Top Down • Adaptation of micro fabrication techniques • Extreme Ultraviolet Lithography “EUV” • 13 nm • Electron Beam Lithography • 10 nm • X-Ray Lithography • 20 nm
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Nano-Contact Printing • Uses a flat mold made by a lithography process • Use of a mold allows for higher production rates
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Unformatted text preview: Bottom Up Process (STM) STM = Scanning Tunneling Microscope Can get way smaller sizes Manipulation of individual atoms Limitations for STM Requires a Vacuum environment Temperatures near absolute zero (-273 C) Makes it very expensive !!! Dip-Pen Nanolithography (DPN) Shows Promise says textbook 10-15 nm lines possible Summary - Process Resolutions Top Down EUV 13 nm Electron Beam + Nano Imprint 10 nm X-Rays 20 nm Bottom Up STM 1 Angstrom (0.1 nm) DPN 10-15 nm Video iTunes Podcast KQED Quest Free!!...
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This note was uploaded on 02/09/2011 for the course MECHE 454 taught by Professor Ronzhues during the Fall '11 term at Johns Hopkins.

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Nano-Presentation - Bottom Up Process (STM) STM = Scanning...

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