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University of California, Santa Barbara
Department of Electrical and Computer Engineering

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Semiconductor Device Processing

ECE 120A – Winter 2015

Instructor: Dr. Ilan Ben-Yaacov

Schedule: Tues/Thurs 11:00am - 12:15pm, North Hall Room 1111

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Announcements

* 3/3/15: Some example exam problems, along with the tables/graphs that will be provided on the exam, are posted here.

* 2/24/15: HW5 is now posted below.

* 2/9/15: HW4 is now posted below.

* 2/9/15:  Please note that TA lab hours have changed, current hours are listed below.

* 1/27/15: HW3 is now posted below.  PLEASE NOTE – HW3 DUE DATE HAS CHANGED (see below)!

* 1/19/15:  Please note that TA lab hours have changed, current hours are listed below.

* 1/15/15: HW2 is now posted below.

* 1/6/15: Welcome to ECE 120A.  HW1 and all handouts are posted on the class website.

 

Syllabus (click here for syllabus in .pdf format)

Time:                       Tues/Thurs 11:00am – 12:15pm

Place:                      North Hall, Room 1111

Instructor:               Dr. Ilan Ben-Yaacov, ESB Room 2213, ext 5295, ilan[at]engineering.ucsb.edu

Office Hours:         Tues/Thurs 9:45 – 10:45am

 

Teaching Assistants:         Sandra Skendzic (sskendzic[at]umail.ucsb.edu), lab hours Thurs 12:30-3:30pm and Fri 10:00am-1:00pm.

                                                Arda Simsek (ardasimsek[at]umail.ucsb.edu), lab hours MW 2:00-5:00pm.

 

Lab Supervisor:         Bob Hill, Engineering II Room 1141, ext 4142, bob[at]ece.ucsb.edu

 

Laboratory Hours:     There are no scheduled hours for the lab work.  The UCSB Instructional Cleanroom will be available weekdays from 8am-5pm.  For safety reasons, you will not be permitted to work alone.  There will be equipment demonstration sessions, which are required.

 

Lab Safety:        It is essential that safety procedures be followed at all times.  You will be working with acids (including HF), bases, and organic solvents that can be hazardous if not handled properly.  You are required to attend a safety orientation session before you will be permitted to enter the lab.  There are sessions provided by the university, or a series of tapes provided by the ECE department and Bob Hill.

 

Required Text:  Fundamentals of Semiconductor Fabrication by G. S. May and S. M. Sze, published by John Wiley and Sons, 2004, ISBN 0-471-23279-3.

 

Handouts and class notes will complement the text.  All handouts can be downloaded by clicking on the appropriate link at the bottom of this website.

 

Prerequisites: ECE 132 with a grade of C- or better, or equivalent, or consent of the instructor.

 

 

Topics to be covered:

* Optical Lithography

* Thermal Oxidation

* Junction Formation

* Etching

* Thin Film Deposition

* Ohmic, Schottky, and MOS Contact Formation

* NMOS Process and Characterization

 

 

Course Format:     There will be homework assignments, a midterm, laboratory work, and a final lab project. Laboratory work will consist of experimenting with various processes such as lithography, thermal oxidation, and wet etching, and determining process tolerances.  For the final project, you will use the skills you have developed in the lab to fabricate and characterize a MOS transistor.  Homework, midterm, lab, and final lab project will each contribute 15%, 30%, 15% and 40% to the final grade.

 

 

Lab Projects

Lab Project 1 – Due Wed, 1/21/15 by 5:00pm 

Lab Project 2 – Due Wed, 2/4/15 by 5:00pm

Final Lab PreLab – Due Tues, 2/17/15 by 5:00pm

Final Lab Project – Due Wednesday, 3/18/15 by 5:00pm

 

Homework Assignments – turn into box on 3rd floor of HFH

Homework 1Due Fri, 1/16/15 by 5:00pm  

 

Homework 2Due Fri, 1/23/15 by 5:00pm  

 

Homework 3Due Fri, 2/6/15 by 5:00pm   Tues, 2/10/15 by 5:00pm

 

Homework 4Due Fri, 2/20/15 by 5:00pm

 

Homework 5 – Due Tues, 3/3/15 by 5:00pm

 

 

Homework Solutions (requires password)

 

Midterm

Midterm will be on Thursday, 3/5/15.  You will be allowed a calculator and 3 pages of notes (8.5 by 11 inch, you may write on front and back).  Midterm review will be in class on Tuesday 3/315.

 

 

Lab Procedures                              Handouts

NMOS Process                                                                Solid Solubilities of Impurities in Silicon

Wafer Scribing and Cleaning                                          Periodic Table of Elements

HF Safety Tips                                                                 Lateral Diffusion

Lithography Process                                                        Slides

Descum Process

Furnace Cleanliness

Oxidation Procedure

Phosphorous Predeposition

Metal Lift-Off Process

Metal Evaporation – Thermal Evaporator

 

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