Micro and Smart Systems

IISc Bangalore Course , Prof. K.N. Bhat

106 students enrolled

Overview

Contents:
Introduction : Glimpses of Microsystems; scaling effects - Smart materials and systems: an overview - Microsensors: some examples - Microactuators: some examples - Microsystems: some examples - Examples of smart systems: structural health monitoring and vibration control

Microfabrication processes : Structure of silicon and other materials - Silicon wafer processing; Thin-film deposition - Lithography, wet etching and dry etching - Bulk micromachining and Surface micromachining - Wafer-bonding; LIGA and other moulding techniques - Soft lithography and polymer processing - Thick-film processing; Low temperature co-fired ceramic processing - Smart material processing

Mechanics of Solids : Stresses and deformation: bars and beams - Microdevice suspensions: lumped modeling - Residual stress and stress gradients - Poisson effect; Anticlastic curvature; examples of micromechanical structures - Thermal loading; bimorph effect - Dealing with large displacements; in-plane and 3D elasticity equations - Vibrations of bars and beams - Gyroscopic effect - Frequency response; damping; quality factor - Basic micro-flows for damping calculation

Finite element method : Types of numerical methods for solving partial differential equations - What is finite element method? Variational principles - Weak form; shape functions - Isoparametric formulation and numerical integration - Implementation of the finite element method - FEM for piezoelectrics

Electronics and packaging : Semiconductor devices: basics - OpAms and OpAmp circuits - Signal conditioning for microsystems devices - Control and microsystems - Vibration control of a beam - Integration of microsystems and microelectronics - Packaging of Microsystems: why and how - Flip-chip, ballgrid, etc.; reliability - Case-study 1 (Pressure sensor) - Case-study 2 (Accelerometer)

Lecture 1: Glimpses of Microsystems Scaling Effects

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        Lecture Details

        Micro and Smart Systems by Prof. K.N. Bhat,Prof. G.K. Anathasuresh,Prof. S. Gopalakrishnan,Dr. K.J. Vinoy, Department of Mechanical Engineering, IISc Bangalore. For more details on NPTEL visit httpnptel.ac.in

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