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University of California, Berkeley

Electrical Engineering and Computer Sciences Department

  Course Details | Announcements | Lecture Notes | Homework | Quizzes/Midterms/Final | Discussions | Handouts | Projects
 

Spring 2015 Lecture Notes:

No. Date Lecture Module PDF
(marked)
Reading Video
1 Jan. 27 Administrative Information, MEMS Roadmaps, Benefits of Miniaturization   Module1   Lecture1      
2 Jan. 29 Benefits of Scaling I: faster speed (transistors, micromechanical resonators)   Module2   Lecture2m
  Lecture2w
     
3 Feb. 3 Benefits of Scaling II: lower power consumption (micro-ovens) Module3   Lecture3m
  Lecture3w
     
4 Feb. 5 Benefits of Scaling III: higher sensitivity (gas sensors) Module4   Lecture4
     
5 Feb. 10 Fabrication Process Modules I: oxidation, film deposition, lithography   Module5 Lecture5m
  Lecture5w
     
6 Feb. 12 Fabrication Process Modules II: etching, ion implantation, diffusion     Lecture6m1
Lecture6m2
Lecture6w
  Reading6a
  Reading6b
   
7 Feb. 17 Surface Micromachining I: basic polysilicon process flow, release, sacrificial & structural material choices     Lecutre7m
  Lecture7w
 
     
8 Feb. 19 Surface Micromachining II: 2nd order issues, stiction, residual stress, electroplating, 3D out-of-plane MEMS   Module6 Lecture8m1
Lecture8m2
Lecture8w
     
9 Feb. 24 Surface Micromachining III: MUMPS, design rules, Summit Module7 Lecture9m1
Lecture9m2
Lecture9w
     
10 Feb. 26 Bulk Micromachining: wet etch-based, dissolved wafer process, SOI MEMS, Scream, Hexsil MEMS, sealed cavity deep RIE Module8 Lecture10m
Lecture10w
     
11 Mar. 3 Mechanics of Materials for MEMS I: stress, strain, material properties, measurement & characterization of mechanical parameters.     Lecture11m
Lecture11w
     
12 Mar. 5 Mechanics of Materials for MEMS II: quality factor, beam bending     Lecture12m
Lecture12w
     
13 Mar. 10 Machanics of Materials for MEMS III: practical stress, beam combos, stressed folded flexures Module9 Lecture13m
Lecture13w
     
14 Mar. 12 Energy Methods I: virtual work, energy formulations, tapered beam example   Module10   Lecture14m
Lecture14w
     
15 Mar. 17 Energy Methods II: clampled-clamped beam example, large deflection analysis, estimating resonance frequency   Module11   Lecture15m   Lecture15w      
  Mar. 19 Midterm Exam          
  Mar. 24 Spring Break        
  Mar. 26 Spring Break        
16 Mar. 31 Equivalent Circuits I: dynamic mass, stiffness, and damping, example: free-free beam, lumped mass-spring-damper circuit Module12   Lecture16m Lecture16w      
17 Apr. 2 Equivalent Circuits II: electromechanical analogies, lossless transducers     Lecture17m
  Lecture17w
     
18 Apr. 7 Lossless Transducers I: capacitive transducers, charge control, voltage control, spring suspended C, parallel-plate capacitive transducer, pull-in, linearization       Lecture18m
  Lecture18w
   
19 Apr. 9 Lossless Transducers II: electrical stiffness, comb drive, levitation   Module13   Lecture19m
Lecture19w
   
20 Apr. 14 Equivalent Circuits III: input modeling, force-to-velocity relationship & circuit, intro. to gyroscopes   Module14
Module15
Lecture20m1
Lecture20m2
Lecture20w
  Video Lecture20
21 Apr. 16 Equivalent Circuits IV: output modeling, input-to-output transconductance, complete equivalent circuit      
   
 
Video Lecture21
22 Apr. 21 Sensing Circuits I: ideal op amps, velocity sensing, position sensing Module16   Lecture22m1
Lecture22w
   
23 Apr. 23 Sensing Circuits II: differential position sensing, MEMS/transistor integration   Module17 Lecture23m1
Lecture23m2
Lecture23w
  Video Lecture23
24 Apr. 28 Sensing Circuits III: non-ideal op amps, begin noise   Lecture24m
Lecture24w
   
25 Apr. 30 Sensor Resolution I: noise sources, noise calculation, min. detectable signal  
 
  Lecture25m
  Lecture25w
   
26   Sensor Resolution II: noise calculation examples, gyro example      
   
   
27   Sensor Sustaining Oscillator Circuits      
   
   
   
  May 5 Reading/Recitation/Review Day - No Lecture        
  May 7 Reading/Recitation/Review Day - No Lecture        
  May 15 Final Exam: Friday, May 15, 7-10 p.m. (Exam Group 20)        

NOTE:  * The asterisks indicate days that I will not be in town. On these dates, I will make appropriate arrangements for the lecture, which will probably entail doing and recording
(for website posting) a make-up lecture at a specified time and location.


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 Last updated 3/10/15 by AB