What This Document Is
This document is a lab quiz for EE 143, Microfabrication Technology at UC Berkeley. It’s designed to quickly assess your understanding of fundamental concepts and practical procedures covered in the initial laboratory sessions of the course. This quiz focuses on the core principles related to photolithography, etching, and cleanroom protocols – essential building blocks for successful microfabrication.
Why This Document Matters
This resource is invaluable for students currently enrolled in EE 143 who are preparing for, or reviewing after, their first lab quiz. It’s particularly helpful for solidifying your grasp of the practical aspects of the lab procedures and ensuring you understand the *why* behind each step. Working through similar assessment questions will help identify areas where further study is needed, ultimately boosting your performance in the course and your confidence in the lab environment.
Topics Covered
* Photoresist characteristics and processing (development, baking)
* Wet etching principles and considerations (overetch, etch rates)
* Cleanroom safety and material handling (HF cream location & usage)
* Understanding the differences between positive and negative photoresist
* Operational procedures for key lab equipment (photoresist spinner)
* Oxide etching processes
* Basic understanding of process flow and potential issues
What This Document Provides
* A series of short-answer and true/false questions representative of the quiz format.
* Opportunities to test your knowledge of critical lab safety regulations.
* Questions designed to evaluate your understanding of the relationship between process parameters and outcomes.
* A chance to practice applying theoretical concepts to practical scenarios encountered in the microfabrication lab.
* A glimpse into the level of detail expected regarding understanding of fundamental microfabrication techniques.