1. ULTRA-RAPIDMANUFACTURING OF NANOSCALED COMPONENTSSan Diego State UniversityDepartment of Mechanical EngineeringDaniel Cavero & Sumedha WeerasuriyaAdvisor : Dr. Khaled Morsi

2. What is the nano scale?Human hair vs. nano fibers - Photo credit www.epa.govHuman HairNano Fibers 3. Why the nano scale?Flesh eating plant ( photo credit www.nationalgeographic.com) 4. Nano-Manufacturing Current lithographic and deposition techniques X-ray lithography Nano imprint lithography Chemical vapor deposition Goal : Rapid, Mass producible technology to fabricatecomplex geometry nano-scaled components. 5. Concept1 2 34 5 6. Molten Metal FilmStove top experiments Deflecting a stream of molten Tin 7. Proof of concept setupPelletCollectorFlowdeflectorToyPelletLauncherMoltenSolder 8. Proof of concept- Video 9. Proof of concept- Video 10. ResultsSuccessfully coatedABS pelletsChemicaldecompositionof mold in a Acetonebath.Extracted Component 11. Results SEM ImagesCraters at 2k magnification 519 nm at 30k magnification 12. Projectile -Video 13. Projectile -Video 14. Furnace, Rails & Pneumatics 15. Post processing &CharacterizationAs is Epoxy Bath Extracted Heat Treatment Percentageporosity Thicknessvariations Inner surfacefinish Structuralrigidity Recrystallizationto Improvesurface. 16. Organic Solar CellElectrodesSEM image of sputter coated Electrode 17. Engineering for the future 18. Thank you all for your valuable time! 19. Projectile Velocity Vs. Drive Pressure8007006005004003002001000Exit Velocity Vs. Drive Pressure0 200 400 600 800 1000 1200 1400Exit Velocity( m/s)Drive Pressure ( psi ) 20. Organic Solar CellElectrodes75 Micron Indentation Mold 21. Engineering for the future A future dominated by- Nano-electronics- Nano-biotechnology- Nano-composites- Nano-robotics Goal- Mass manufacturing of complex geometry nano-components. 22. Engineering for the future A future dominated by- Nano-electronics- Nano-biotechnology- Nano-composites- Nano-robotics Goal- Mass manufacturing of complex geometry nano-components. 23. Mold LauncherIgnite RC Pellet Launcher 6 mm spherical pellets ABS plastic 0.12 grams Average speed 52 m/s 24. Mold Launcher & CollectorIgnite RC Pellet LauncherThe Polyester Box 25. Furnace -VideoSide View Front View