10 Questions
What is the purpose of annealing in the fabrication process of CMOS?
To fix the damage caused by adding impurities and breaking covalent bonds in the wafer structure.
What does BIST stand for in the context of VLSI design?
Built In Self Test
What does TCL stand for and what is its role in VLSI?
TCL stands for Tool Command Language, it is interpreter-based and requires a Tcl Shell to interpret scripts.
In VLSI, why is power planning considered an important stage during floorplanning?
To create a power grid network for distributing power supply efficiently.
What happens to a net in VLSI design if it has no driver?
It gets the value 'Z'.
What is the purpose of p-well technology in early 1960s?
To get enhancement mode MOSFET
Why did the twin tub/well technology start after the 1970s?
To match the threshold voltage in two devices
Why is oxidation important in IC fabrication process?
SiO2 plays an important role and no other semiconductor has a native oxide like SiO2
What is the purpose of the Epitaxy method?
To grow additional single crystal silicon above the original wafer surface
What is the process of adding impurities like Boron, P, and As to a silicon wafer?
Ion Implantation
This quiz covers topics related to MOSFET technology such as p-well and n-well technologies, twin tub/well technology, and the importance of oxidation in IC fabrication. Learn about the advancements and challenges in early IC fabrication processes.
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