PCB ETCHING Short Quiz

1. What does PCB etching remove from the printed circuit board (PCB)?

• a. The required circuit

• b. The unwanted copper

• c. The photoresist

• d. The components

2. What process is used to create a layout for the PCB before etching?

• a. Etching

• b. Photolithography

• c. Soldering

• d. Milling

3. 3. Which of the following is a characteristic of dry etching?

• a) It uses liquid chemicals

• b) It uses plasma
  

• c) It uses a photoresist
  

• d) It requires a bath of liquid

4. 4. Which etching method is known for reducing liquid waste?
   

• a) Chemical etching
  

• b) Plasma etching
  

• c) Electrochemical etching
  

• d) Wet etching

5. 5. What is the purpose of the photolithography process in PCB etching?
   

• 5. a) To add copper to the PCB

• 5. b) To create a protective layer on the PCB

• 5. c) To transfer the PCB layout onto the surface of the board

• 5. d) To clean the PCB surface