22) Which is the name of process that removing of copper present in the unmasked portion in PCB?
Answer is:
Etching
Related Plating on Non conductive surface MCQ with Answers
Answer is:
To stop further etching
Answer is:
Al
Explanation:
Chemical formula of aluminium is "Al".
Answer is:
Anodic oxidation of aluminium
Explanation:
Anodising is an electrolytic process for producing thick oxide coatings, usually on aluminium and its alloys. The oxide layer is typically 5 to 30µm in thickness and is used to give improved surface resistance to wear and corrosion, or as a decorative layer.