CM4015 Micro Electro Mechanical Systems Syllabus:

CM4015 Micro Electro Mechanical Systems Syllabus – Anna University PG Syllabus Regulation 2021

OBJECTIVES:

 To introduce MEMS, Microsystems, materials and working of MEMS and Microsystems
 To explain the scaling laws in miniaturization and design for microsysytems
 To familiarize with different microsystem fabrication processes.
 To learn packaging, interfaces and assembly of microsystems
 To gain knowledge in different measurement and characterization methods for MEMS

UNIT I INTRODUCTION

Overview of MEMS and Microsystems: MEMS and Microsystems, Evolution of Micro fabrication, Microsystems and Microelectronics, Microsystems and miniaturization-Materials for MEMS and Microsystems: substrates and wafers, active substrate materials, Silicon, Gallium Arsenide, Piezoelectric Crystals, Polymers, Packaging materials-Working principles of Microsystems: micro sensors, micro actuation, MEMS with micro actuators, Micro accelerometers, micro fluidics-Applications of Microsystems in various industries.

UNIT II MECHANICS, SCALING AND DESIGN

Engineering Mechanics for Microsystems design: Introduction, Static bending of Thin Plates, Mechanical Vibration, Thermomechanics, Thermofluid, Engineering and micro system design, Laminar fluid flow, Incompressible fluid Flow, Heat conduction in solids-Scaling Laws in Miniaturization, Introduction to scaling, Scaling in (Electrostatic forces electromagnetic forces, Electricity, fluid mechanics, heat transfer)-Microsystems Design: Design Consideration, Process design, Mechanical Design, Design of Micro fluidic Network systems

UNIT III MICRO SYSTEM FABRICATION PROCESSES

Introduction- Photolithography- Ion implantation- Chemical Vapor Deposition-Physical Vapor Deposition – clean room- Bulk micromachining :etching, isotropic and anisotropic etching, wet and dry etching Surface micro machining :process, mechanical problems associated with surface micro machining- LIGA process :general description, materials for substrates and photo resists-SLIGA process-Abrasive jet micro machining-Laser beam micro machining- Micro Electrical Discharge Micro Machining –Ultrasonic Micro Machining- Electro chemical spark micro machining- Electron beam micro machining-Focused Ion Beam machining

UNIT IV MICROSYSTEMS PACKAGING

Introduction – Microsystems Packaging-Interfaces in Microsystems Packaging-Essential Packaging Technologies- Die preparation, surface bonding, wire bonding, sealing- Three dimensional Packaging Assembly of Microsystems, Signal Mapping and Transduction

UNIT V MICROMETROLOGY AND CHARACTERIZATION

Microscopy and visualization- Lateral and vertical dimension- optical microscopy, Scanning white light interferometry, Confocal Laser scanning microscopy, Molecular measuring machine, Micro coordinate measuring machine- Electrical measurements – Physical and chemical analysis – XRD- SEM – Secondary Ion mass spectrometry- Auger Electron Spectroscopy, SPM

OUTCOME:

CO1: Explain the concept of Micro Electro Mechanical systems
CO2: Develop micro system design
CO3: Identify the elements of MEMS system
CO4: Determine the scaling and design methods
CO5: Examine the micro metrology and characterization

REFERENCES

1. Franssila, S., “Introduction to Micro Fabrication” John Wiley & sons Ltd, 2004.ISBN:470-85106-6
2. Hak M.G., “MEMS Handbook”, CRC Press, ISBN: 8493-9138-5, 2006.
3. Hsu, T.R., “MEMS & Microsystems Design and Manufacture”, Tata McGraw Hill, 2002,ISBN: 9780070487093.
4. Jackson, M.J., “Microfabrication and Nanomanufacturing” Second edition,Taylor and Francis 2008.
5. Jain, V.K., “Introduction to Micromachining”Second edition, Narosa Publishing House, 2018.
6. McGeough, J.A., “Micromachining of Engineering Materials”, CRC Press, ISBN: 0824706447, 2001.