Photo-Resist Board Manufacturing Quiz

What is a photo-resist board made of?

• Glass reinforced plastic

• Pure copper

• Aluminum

• Silicon

What is revealed when the plastic film on a photo-resist board is peeled back?

• Photosensitive coating

• Copper layer

• Aluminum foil

• Insulating layer

What must be removed before transferring the PCB mask and board to the UV light box?

• Plastic film

• Copper layer

• Photosensitive coating

• Insulating layer

How long should the photo-resist board be left in the developer?

• Approximately ten seconds

• Five minutes

• One minute

• Thirty seconds

What is the purpose of the UV light box in the PCB manufacturing process?

• To expose the photosensitive coating

• To etch the copper layer

• To apply the solder mask

• To laminate the board

What should you ensure about the PCB mask before etching?

• It is the right way up

• It is completely covered

• It is double-layered

• It is transparent

What is the role of the developer in the PCB manufacturing process?

• To remove unexposed photoresist

• To etch the copper

• To apply the solder mask

• To laminate the board

What happens if the PCB mask is placed the wrong way round?

• The tracks will be etched incorrectly

• The board will not develop

• The copper will not adhere

• The board will overheat

What is the sensitive side of the photo-resist board coated with?

• Photosensitive coating

• Copper layer

• Insulating material

• Adhesive film

What is the purpose of the plastic film on the photo-resist board?

• To protect the photosensitive coating

• To insulate the board

• To conduct electricity

• To add strength