Practice - Etching Techniques for Compound Semiconductors
Practice Questions
Test your understanding with targeted questions
What is the primary purpose of etching in semiconductor fabrication?
💡 Hint: Think about what shapes we create.
Name one dry etching technique used for compound semiconductors.
💡 Hint: Look for terms starting with R or I.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does RIE stand for?
💡 Hint: Think about common terms in etching.
True or False: Wet etching is more precise than dry etching methods like RIE.
💡 Hint: Recall how each method operates.
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Challenge Problems
Push your limits with advanced challenges
You are tasked with designing a GaN HEMT device that requires deep trenches. Which etching method would you choose, and what parameters would you focus on?
💡 Hint: Consider the requirement for depth and profile type.
Given an issue with surface roughness on a GaAs wafer after wet etching, explain potential reasons and suggest improvements.
💡 Hint: Reflect on how etch methods affect surface quality.
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Reference links
Supplementary resources to enhance your learning experience.