Take Home Quiz #1

Please answer the following questions (Each question is worth 2 points):

1. What features of integrated circuits have enabled them to revolutionize modern electronics?

2. How is solid crystal silicon formed from molten silicon?

3. What makes a material a semiconductor? What are dopants? How are dopant ions added to wafers?

4. Explain how a pair of complementary metal oxide semiconductor transistors work. What are n-channel transistors and p-channel transistors? What are source and drain regions? What role does the gate electrode play?

5. Describe the process by which integrated circuits are designed. How do the designs make the transition from computer to chip?

6. Why must the environment in which integrated circuits are manufactured be as dust-free as possible?

7. Name the four basic techniques used in manufacturing circuits.

8. At the beginning of the manufacturing process, silicon wafers are placed in a high temperature oxidation furnace to grow a layer of silicon dioxide. Why is the layer of silicon dioxide valuable?

9. What purpose does photolithography serve in the integrated circuit manufacturing process? Explain this procedure.

10. What is the advantage of dry-etching?