EE 245 Intro to MEMS Design

Fall 2001

Class info, homework questions, etc.:  news:ucb.class.ee245
Lectures available on the web:  http://webcast.berkeley.edu/listings/archive.html?prog=89&group=51
Fall 2000 lectures available on the web:  http://media2.bmrc.berkeley.edu/bibs/archive.cfm?prog=89&group=20
Common MEMS acronyms.
Here's the Project assignment.
 
Instructor 
 

Office Hours

Kristofer S.J. Pister 
pister@eecs <-- easiest method of contact 
512 Cory Hall 
M 2-3, Th 3:30-4:30, and by email appointment
Required Texts
Suggested references  Elwenspoek & Jansen, Silicon Micromachining
Jaeger, Introduction to Microelectonic Fabrication
Kovacs, Micromachined Transducers Sourcebook
Madou, Fundamentals of Microfabrication
Ristic, Sensor Technology and Devices
Senturia, Microsystem Design
Sze, Semiconductor Sensors
Grading
Homework 40%
Project 30%
Final (+possible midterm) 30%
 
Homework Will emphasize design, layout, and simulation of devices and systems 
Collaboration is encouraged!  Cheating is not!
Project Writeup is due the last week of class.  Four pages max, two column format, no exceptions! 
Collaboration is encouraged.



Schedule
Week Date Topic HW Notes Solutions/
Grades
1 8/28
8/30
Introduction: what is MEMS, and what subset will ee245 cover?
 
HW1 Intro.ppt,pdf
2 9/4
9/6
Lateral resonators: springs, combs, and resonance
capacitive accelerometers: capacitive sensing and force feedback
HW2 Sensors.ppt,pdf HW2soln.pdf
HW2.SIDs
3 9/11
9/13
Deposition: Spin casting, Thermal oxidation, LPCVD, Sputtering, ion imp.
Etching: wet, plasma, XeF2, Williams etch table
HW3 Fab1.ppt,, pdf
WilliamsEtch.pdf
HW3soln.pdf
HW3.SIDs
4 9/18
9/20
Bulk micromachining: crystal planes, anisotropic etchants, boron doping
Bulk examples: "standard", 110 etching, 111 (Dan Cho) etching
foldup crystal.pdf
5 9/25
9/27
Surface micromachining: sacrificial etching, wafer bonding
2 layer processes: MUMPS process flow, pin joints, hinges
HW4 Fab2.ppt,, pdf HW4soln.pdf
HW4.SIDs
collected solutions
6 10/2
10/4
Beam Theory I: moment/deflection, common spring configurations
Beam Theory II: torsional deflection, matrix representation, simple trusses
HW5 Beams-L.pdf HW5soln.pdf
HW5.SIDs
7 10/9
10/11
Electrostatics: basic theory
Electrostatic instability: gap and finger pull-in, bistable actuators
HW6 Surface Tension
Actuators2b.pdf
Actuators3b.pdf
HW6.SIDs
collected solutions
8 10/16
10/18
9 10/23
10/25
Thermal actuators: force/deflection, response time, power consumption
More actuators: magnetic, piezoelectric, ...
HW7 Design/test lab info
10 10/30
11/1
Electrostatic actuators: combs, gap-closers, rotary motors, inchworms
Suspension design: non-linearity, cross-axis coupling, buckling/bistable
HW8
11 11/6
11/8
Fluids and damping: viscous flow, pipes and channels,
        Couette, squeeze-film, surface tension
Microfluidics: pumps, valves, diffusion, mixers
Resonance: Rayleigh's method
HW9
12 11/13
11/15
Assembly
CAD
HW10
13 11/20
11/22
Process integration: ADI, TI, Parameswaran and Fedder
NO CLASS: Thanksgiving Holiday
14 11/27
11/29
Micro robots
Electronic interfaces
15 12/4
12/6
Noise
Packaging