Question

Why oxidation process is required?

(a) To protect against contamination

(b) To use it for fabrication various components

(c) To prevent diffusion of impurities

(d) All of the mentioned

I have been asked this question during an interview for a job.

I need to ask this question from Basic Planar Process topic in chapter IC Fabrication of Linear Integrated Circuits

Answer 1

Correct choice is (d) All of the mentioned

Unravel the mysteries with: Oxidation provides extreme hard protective coating, thus protecting against contamination and by selective etching, it can be made to fabricate components.