Practice Etching (4.2.4) - Apply Microfabrication Techniques to Fabricate Electronic Devices
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Etching

Practice - Etching

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Practice Questions

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Question 1 Easy

What is etching used for in microfabrication?

💡 Hint: Think about the main purpose of etching in creating devices.

Question 2 Easy

Which method uses liquids for etching?

💡 Hint: Consider what 'wet' implies in terms of substances used.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary function of etching in microfabrication?

To deposit material
To remove material
To add impurities

💡 Hint: Remember, the purpose of etching is to shape the layers.

Question 2

True or False: Wet etching provides better precision than dry etching.

True
False

💡 Hint: Think of how the methods differ in terms of technology.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Explain how etching impacts the yield of semiconductor devices and what trade-offs engineers must consider when choosing between dry and wet etching.

💡 Hint: Consider the balance between precision, cost, and impact on device performance.

Challenge 2 Hard

Design an etching process flow for a silicon wafer needing both precise features and cost control. How would you integrate both dry and wet etching into the process?

💡 Hint: Think about where precision is critical and where it can be relaxed.

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