PTU B.Tech Electrical Engineering 6th Semester May 2019 71157 MICROELECTRONICS TECHNOLOGY Question Papers

PTU Punjab Technical University B-Tech May 2019 Question Papers 6th Semester Electrical and Electronics Engineering (EEE)-EE-Electrical Engineering

Roll No.
Total No. of Pages : 02
Total No. of Questions : 09
B.Tech.(EE/Electrical & Electronics) (2011 Onwards E-I)
(Sem.?6)
MICROELECTRONICS TECHNOLOGY
Subject Code : BTEE-605F
M.Code : 71157
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
1.
SECTION-A is COMPULSORY consisting of TEN questions carrying T WO marks
each.
2.
SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3.
SECTION-C contains T HREE questions carrying T EN marks each and students
have to attempt any T WO questions.


SECTION-A
1.
Answer briefly :

a. What is the difference between etching and deposition?

b. Write chemical reaction for growth of sio2.

c. Draw the apparatus for CVD in formation of silicon.

d. What do you mean by gattering?

e. What do you mean patterning?

f. Why we use GaAs for formation of IC?

g. What do you mean by hybrid circuits?

h. What is the use of ficks two dimensional law?

i. Write design rules for NMOS technology.

j. Write the various apparatus names in reactive ion etching.
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SECTION-B
2.
Discuss in detail about Fabrication of diodes, transistors, resistors and capacitors.
3.
Write the various peroxidation cleaning procedures.
4.
What are the various electrical properties of MOSFET?
5.
What do you mean by deposition?
6.
Draw layout for NAND and NOR gate.

SECTION-C
7.
How can you design PLA?
8.
Discuss atomic diffusion mechanism.
9.
What are the fabrication steps for CMOS?







NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.


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