Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the primary purpose of etching in semiconductor fabrication?
💡 Hint: Think about what shapes we create.
Question 2
Easy
Name one dry etching technique used for compound semiconductors.
💡 Hint: Look for terms starting with R or I.
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 does RIE stand for?
- Reactive Ion Etching
- Radiation Ion Etching
- Relative Ion Etching
💡 Hint: Think about common terms in etching.
Question 2
True or False: Wet etching is more precise than dry etching methods like RIE.
- True
- False
💡 Hint: Recall how each method operates.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation