University of California, Berkeley

Electrical Engineering and Computer Sciences Department

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Spring 2018 Lecture Notes:

:
No. Date Lecture Module PDF
(marked)
Handout Video
1 Jan. 16 Administrative Information, MEMS Roadmaps, Benefits of Miniaturization Module1 Lecture1w
Lecture1m
  Video
2 Jan. 18 Benefits of Scaling I: faster speed (transistors, micromechanical resonators) Module2 Lecture2m1
Lecture2m2
Lecture2w
  Video
3 Jan. 23 Benefits of Scaling II: lower power consumption (micro-ovens) Lecture3-4m
Lecture3-4w
  Video
4 Jan. 25 Covered in Lecture 3-4
 
5 Jan. 30 Benefits of Scaling III: higher sensitivity (gas sensors) Lecture5w
Lecture5m1
Lecture5m2
  Video
6 Feb. 1 Fabrication Process Modules I: oxidation, film deposition, lithography, etching Lecture6m1
Lecture6m2
Lecture6w
 
Video
7.x Process Module Details Video Lectures Module3 Module4 Lectures use Modules 3 & 4
  Video1 Video2
7 Feb. 6 Fabrication Process Modules II: deposition, ion implantation, diffusion   Lecture7m1
Lecture7w
Video
8 Feb. 8 Surface Micromachining I: basic polysilicon process flow, release, sacrificial & structural material choices Module5 Lecture8m1
Lecture8w
Surface Micromachining
Etch Rates
Video
9 Feb. 13 Surface Micromachining II: stiction, stress (1st pass), topography, metal MEMS, 3D MEMS, MUMPS Lecture9m1
Lecture9w
Video
10 Feb. 15 Bulk Micromachining: wet etch-based, etch stop methods, dissolved wafer process, SOI MEMS using deep RIE, bonding (fusion, anodic, compression), Hexsil MEMS, SCREAM Module6 Lecture10m1
Lecture10m2
Lecture10w
  Video
11 Feb. 20 Mechanics of Materials for MEMS I: stress, strain, material properties Module7 Lecture11m1
Lecture11m2
Lecture11w
  Video
12 Feb. 22 Mechanics of Materials for MEMS II: measurement & characterization of mechanical parameters, acoustic velocity, strength, quality factor Module8 Lecture12m1
Lecture12m2
Lecture12w
  Video
13 Feb. 27 Beam Bending: internal bending moment, diff. eq. for beam bending, cantilever stiffness, practical stress   Lecture13w   Video
14 Mar. 1 Beam Combos I: series & parallel springs, folded flexures, spring circuit analysis   Lecture14m
Lecture14w
  Video
15 Mar. 6 Beam Combos II: tensioned beam analysis, folded-beam stress   Lecture15m Lecture15w   Video
16 Mar. 8 Energy Methods: virtual work, energy formulations, tapered beam example Module9 Lecture16m Lecture16w   Video
17 Mar. 13 Resonance Frequency: estimating resonance frequency, lumped mass-spring approximation, distributed mass & stiffness, folded-beam resonator Module10 Lecture17m Lecture17w
  Video
18 Mar. 15 Equivalent Circuits I: dynamic mass, stiffness, and damping, example: free-free beam, lumped mass-spring-damper circuit Module11 Lecture18m1
Lecture18w
  Video
19 Mar. 20 Lossless Transducers I: capacitive transducers, charge control, voltage control, spring suspended C, parallel-plate capacitive transducer Module12 Lecture19m1
Lecture19w
  Video
  Mar. 22 Midterm Exam        
  Mar. 28 Spring Break        
  Mar. 30 Spring Break        
20 Apr. 3 Lossless Transducers II: pull-in voltage, linearization Lecture20m Lecture20w   Video
21 Apr. 5 Lossless Transducers III: linearity, electrical stiffness, comb drive Lecture21m Lecture21w  
Video
22 Apr. 10 Equivalent Circuits II: input modeling, force-to-velocity relationship & circuit, output modeling, complete equivalent circuit Module13 Lecture22m1 Lecture22m2 Lecture22w
  Video
23 Apr. 12 Mechanical Circuit Analysis & Gyroscopes: impedance, input-to-output transconductance, gyroscopes Module14
Module15
Lecture23m1
Lecture23m2
Lecture23w
  Video
24 Apr. 17 Gyros & Sensing Circuits I: gyro limitations, velocity sensing, position sensing, op amp circuits Lecture24m Lecture24w   Video
25 Apr. 19 Sensing Circuits II & Integration: differential position sensing, Integration Module16 Module17 Lecture25m1 Lecture25m2 Lecture25w   Video
26 Apr. 24 Noise: noise sources, noise example, equivalent input noise sources   Lecture26m Lecture26w   Video
27 Apr. 26 Gyro Minimum Detectable Signal (MDS)   Lecture27m Lecture27w   Video
  May 1 Reading/Recitation/Review Day - No Lecture        
  May 3 Reading/Recitation/Review Day - No Lecture        
  May 10 Final Exam: Thursday, May 10, 8-11 a.m. (Exam Group 13)        

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 1/14/18 by CN