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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What gas is typically used to etch SiO₂?
💡 Hint: Think about fluorinated compounds.
Question 2
Easy
Which gas is used for etching Si₃N₄?
💡 Hint: Consider common gases with sulphur.
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 the typical gas used to etch SiO₂?
- Cl₂
- CF₄
- SF₆
💡 Hint: Think about fluorinated gas chemistries.
Question 2
True or False: Selectivity allows for the etching of one material while preserving others.
- True
- False
💡 Hint: Think about how layers interact during etching.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Analyze a scenario where an engineer used H₃PO₄ on SiO₂ instead of SF₆. Predict the outcome and explain the implications.
💡 Hint: Consider the properties of the chemicals.
Question 2
Evaluate the interactions of using chlorine-based chemistry in an oxygen-rich environment for etching aluminum. What issues could arise?
💡 Hint: Think about how different chemicals can react together.
Challenge and get performance evaluation