Practice Key Properties Of Etching (4.3.2) - Etching and Deposition Processes
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Key Properties of Etching

Practice - Key Properties of Etching

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does selectivity refer to in etching?

💡 Hint: Think about cleaning specific stains without damaging the fabric.

Question 2 Easy

Define anisotropy in etching.

💡 Hint: Remember how a mountain might have steep slopes on one side.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does selectivity in etching refer to?

The ability to control etch rate
Removing materials without affecting others
An anisotropic process

💡 Hint: Think about how a chef selects specific ingredients without changing the dish.

Question 2

True or False: Anisotropic etching allows for uniform material removal in all directions.

True
False

💡 Hint: Consider how certain plants grow taller rather than wider.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a plan for a multi-layer etching process that maintains selectivity and shapes features isotropically.

💡 Hint: Consider each layer's material properties and choose processes accordingly.

Challenge 2 Hard

Evaluate how a slight increase in etch rate could affect the performance of advanced nodes in ICs.

💡 Hint: Reflect on how precision in engineering is vital for the functionality of devices.

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Reference links

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