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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does wet chemical etching involve?
💡 Hint: Think about the phase of the etching process.
Question 2
Easy
Name one etchant used for GaAs.
💡 Hint: Consider the common chemicals typically used.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is wet chemical etching primarily used for?
- Mechanical removal
- Selective removal of materials
- Surface polishing
💡 Hint: Consider what is the primary purpose of etching.
Question 2
True or False: Wet etching provides better control than dry etching for multilayer structures.
- True
- False
💡 Hint: Reflect on the precision needed for multilayer structures.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given that GaN is heavily doped, explain how that impacts the etching process and which etchants would be suitable.
💡 Hint: Think about the effects of doping on material properties.
Question 2
You need to etch a device that includes layers of GaAs and InP. Outline the considerations you must address regarding chemical compatibility.
💡 Hint: Consider how materials interact during the etching process.
Challenge and get performance evaluation