2. Synthesis

Top-down Methods — Quiz

Test your understanding of top-down methods with 5 practice questions.

Practice Questions

Question 1

Which of the following lithographic techniques is most suitable for creating patterns with sub-$10 \text{ nm}$ resolution, often employed in advanced semiconductor manufacturing?

Question 2

In the context of top-down nanofabrication, what is the primary advantage of using a 'lift-off' process over 'etching' for creating metallic nanostructures?

Question 3

When comparing 'wet etching' and 'dry etching' techniques in top-down nanofabrication, which of the following is a key characteristic of dry etching?

Question 4

What is the primary challenge in scaling down features using photolithography to dimensions below $20 \text{ nm}$?

Question 5

Which top-down nanofabrication method involves the use of a patterned mold or stamp to mechanically deform a resist material, creating a nanoscale pattern?