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Overview and Materials | |
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An Introduction to Microelectronic Fabrication | |
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Microelectronic Technologies: A Simple Example | |
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Unit Processes and Technologies | |
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A Roadmap for the Course | |
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Summary | |
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Semiconductor Substrates | |
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Phase Diagrams and Solid Solubility | |
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Crystallography and Crystal Structure | |
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Crystal Defects | |
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Czochralski Growth | |
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Bridgman Growth of GaAs | |
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Float Zone Growth | |
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Water Preparation and Specifications | |
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Summary and Future TrendsProblemsReferences | |
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Unit Process I: Hot Processing and Ion Implantation | |
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Diffusion | |
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Fick''s Diffusion Equation in One Dimension | |
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Atomistic Models of Diffusion | |
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Analytic Solutions of Fick''s Law | |
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Corrections to Simple Theory | |
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Diffusion Coefficients for Common Dopants | |
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Analysis of Diffused Profiles | |
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Diffusion in SiO2 | |
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Diffusion Systems | |
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SUPREM Simulations of Diffusion Profiles | |
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SummaryProblemsReferences | |
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Thermal Oxidation | |
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The Deal-Grove Model of Oxidation | |
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The Linear and Parabolic Rate Coeffients | |
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The Initial Oxidation Regime | |
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The Structure of SiO2 | |
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Oxide Characterization | |
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The Effects of Dopants During Oxidation and Polysilicon Oxidation | |
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Oxidation-Induced Stacking Faults | |
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Alternative Gate Insulators | |
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Oxidation Systems | |
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SUPREM Oxidations | |
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SummaryProblemsReferences | |
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Ion Implantation | |
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Idealized Ion Implantation Systems | |
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Coulomb Scattering | |
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Vertical Projected Range | |
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Channeling and Lateral Projected Range | |
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Implantation Damage | |
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Shallow Junction Formation | |
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Buried Dielectrics | |
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Ion Implantation Systems: Problems and Concerns | |
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Implanted Profiles Using SUPREM | |
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SummaryProblemsReferences | |
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Rapid Thermal Processing | |
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Gray Body Radiation, Heat Exchange, and Optical Absorption | |
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High-Intensity Optical Sources and Chamber Design | |
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Temperature Measurement | |
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Thermoplastic Stress | |
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Rapid Thermal Activation of Impurities | |
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Rapid Thermal Processing of Dielectrics | |
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Silicidation and Contact Formation | |
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Alternative Rapid Thermal Processing Systems | |
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SummaryProblemsReferences | |
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Unit Processes 2: Pattern Transfer | |
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Optical Lithography | |
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Lithography Overview | |
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Diffraction | |
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The Modulation Transfer Function and Optical Exposures | |
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Source Systems and Spatial Coherence | |
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Contact/Proximity Printers | |
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Projection Printers | |
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Advanced Mask Concepts | |
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Surface Reflections and Standing Waves | |
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Alignment | |
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SummaryProblemsReferences | |
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Photoresists | |
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Photoresist Types | |
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Organic Materials and Polymers | |
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Typical Reactions of DQN Positive Photoresist | |
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Contrast Curves | |
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The Critical Modulation Transfer Function | |
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Applying and Developing Photoresist | |
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Second-Order Exposure Effects | |
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Advanced Photoresists and Photoresist Processes | |
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SummaryProblemsReferences | |
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Nonoptical Lithographic Techniques | |
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Interactions of High-Energy Beams with Matter | |
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Direct Write Electron Beam Lithography Systems | |
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Direct Write Electron Beam Lithography Summary and Outlook | |
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X-Ray Sources | |
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Proximity X-Ray Exposure Systems | |
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Membrane Masks | |
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Projection X-Ray Lithography | |
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Projection Electron-Beam Lithography (SCALPEL) | |
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E-Beam and X-Ray Resists | |
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Radiation Damage in MOS Devices | |
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SummaryProblemsReferences | |
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Vacuum Science and Plasmas | |
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The Kinetic Theory of Gasses | |
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Gas Flow and Conductance | |
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Pressure Ranges and Vacuum Pumps | |
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Vacuum Seals and Pressure Measurement | |
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The DC Glow Discharge | |
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RF Discharges | |
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High-Density Plasmas | |
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SummaryProblemsReferences | |
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Etching | |
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Wet Etching | |
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Chemical Mechanical Polishing | |
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Basic Regimes of Plasma Etching | |
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High-Pressure Plasma Etching | |
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Ion Milling | |
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Reactive Ion Etching | |
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Damage in Reative Ion Etching | |
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High-Density Plasma (HDP) Etching | |
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Liftoff | |
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SummaryProblemsReferences | |
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Unit Processes 3: Thin Films | |
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Physical Deposition: Evaporation and Sputterin | |