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ENGRI1110_Lect19_09_posted

ENGRI1110_Lect19_09_posted - What should an engineer know...

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Engineering:  Clever and robust solutions to complex problems What are the current capabilities of advanced technologies? What are the limits? Can the limits be overcome by nanotechnology? Parameters of the problem: Physical laws Properties of available materials Performance of available manufacturing and processing Engineers must synthesize aspects of a problem to solve it What should an engineer know? What should an engineer know?
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Important specifications of materials  Formulas  Givens of nature Dimensions and ranges Basics of processing techniques  Reverse engineer:  how would I make that? Make connections between different topics of the class Problem sets and lectures are the emphasis What do I need to know? What do I need to know?
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Concepts-Microelectronics Concepts-Microelectronics Fundamental Semiconductors/Insulators/Conductors Bonding/Bands/Band Gap Direct/Indirect Band Gap Crystalline/amorphous Materials & Devices Doping MOSFET P-n junction Crossbar 
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Concepts-Integration Concepts-Integration Pattern Formation Lithography Resists (positive, negative) Microcontact printing (stamping) Addition  Oxidation Diffusion Implantation Deposition (Physical, Chemical) Metallization Removal Etching (wet/dry) Scaling Moore’s Law What improves, what does not improve
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Photonics-Concepts Photonics-Concepts Light Emission, Absorption Reflection Transmission Refraction  Total internal reflection Diffraction
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Photonics-Devices Photonics-Devices Photodetector Photovoltaic LED Band Gap engineering Optical Fibers optical loss Manufacturing Planar Waveguide Photonic crystals Plasmonics
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Energy Energy Energy consumption of US vs. world Fossil fuels vs energy from non-fossil sources Green house effect Solar Cells P-n junction, different semiconductors, Gratzel Efficiencies Fuel cell Anode, cathode, electrolyte,reactions
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