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Electronics and Communication Engineering - Electronic Devices and Circuits - Discussion

Discussion Forum : Electronic Devices and Circuits - Section 9 (Q.No. 33)
Electronic Devices and Circuits
33.
Consider the following statements.
The functions of an oxide layer in an IC device is to
  1. mask against diffusion or ion implant
  2. insulate the surface electrically
  3. increase the melting point of silicon
  4. produce a chemically stable protective layer of these statements.
1, 2, 3
1, 3, 4
2, 3, 4
1, 2, 4
Answer: Option
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