Computer · VLSI Design
Consider the following statements regarding semiconductor fabrication processing: A. For impurity diffusion in a semiconductor, a concentration gradient is an essential requirement. B. Annealing is a mandatory step after ion implantation to repair lattice damage. C. Wet etching is normally anisotropic. D. High temperature is required for the thermal growth of SiO2. E. 'Bird's beak' formation is a characteristic defect of LOCOS isolation. Choose the correct set of statements from the options:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A, B, D, E only✓
- 2A, D, E only
- 3B and E only
- 4A, C, D only
Correct answer
A, B, D, E only
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