Home / Basics of ICs – 1 – 3

Basics of ICs – 1 – 3

11. Identify the ordered processing steps in fabrication of integrated circuits.

(a) Diffusion, Oxidation, Chemical vapour deposition, Photolithography, Metallization
(b) Oxidation, Diffusion, Chemical vapour deposition, Photolithography, Metallization
(c) Chemical vapor deposition, Oxidation, Diffusion, Photolithography, Metallization
(d) Diffusion, Oxidation, Photolithography, Chemical vapor deposition, Metallization

Answer
Answer : (d)

Explanation
No answer description available for this question. Let us discuss.

12. In IC fabrication, gettering is a process by which :

(a) The silicon wafer is highly polished
(b) The silicon wafer is pre-heated to an optimum temperature for diffusion
(c) The harmful impurities or defects are removed from the region in a wafer where devices are to be fabricated
(d) Wafers are sliced into thin films

Answer
Answer : (c)

Explanation
No answer description available for this question. Let us discuss.

13. The law, which governs the diffusion process during the IC fabrication, is :

(a) Flicker’s law
(b) Flick law
(c) Fick law
(d) Fickler’s law

Answer
Answer : (c)

Explanation
No answer description available for this question. Let us discuss.

14. The most common diffusant used in interstitial diffusion in IC fabrication is :

(a) Boron
(b) Arsenic
(c) Nickel
(d) Gold

Answer
Answer : (d)

Explanation
No answer description available for this question. Let us discuss.

15. Metallic crystal possesses :

(a) High optical reflection and absorption coefficient
(b) Good conducting property due to the presence of free electrons
(c) Opaque to all electromagnetic radiations from low frequency to the middle ultraviolet
(d) All of these

Answer
Answer : (d)

Explanation
No answer description available for this question. Let us discuss.

1 2 3 4 5 6 7

General Knowledge Books

Be a Part of the New & Next

MCQs fb  MCQs G+

Share the Knowledge

MORE INFORMATION
GATE Total InfoGATE 2019 BooksFree Notes
IES Total InfoIES 2019 BooksFree Mock tests
JAM Total InfoJAM 2019 BooksEngg Diploma
PSUs Total InfoM Tech Total InfoUGC NET Total Info

Leave a Reply

Your email address will not be published. Required fields are marked *

Copy Protected by Chetan's WP-Copyprotect.