Shared Flashcard Set

Details

Review (nano/micro)
N/A
20
Engineering
Undergraduate 4
07/30/2014

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Cards

Term
What term is used to characterize decreasing component size in integrated circuit technology?
Definition
maximum line width
Term
Moore’s Law states that the rule of thumb in the history of computing hardware where the number of transistors that can be
placed inexpensively on an IC doubles approximately every ____ years.
Definition
Two
Term
The smallest feature size that is printed on the wafer surface during the fabrication process is called
Definition
minimum line width
Term
Which is not an enabler of Moore’s Law
Definition
decreasing circuit complexity over time
Term
The average human hair is how many microns thick?
Definition
100
Term
An integrated circ
uit is often called any of the following except:
Definition
wafer
Term
Lithography and gas phase diffusion were the two essential processes that made planar IC’s possible.
Definition
true
Term
A MOS transistor offers all of the following over BJT’s except:
Definition
higher speed
Term
Most of the fabrication of a CMOS integrated circuit occurs within the top 8
-
13 microns of the 500 micron thick silicon
substrate wafer
Definition
True
Term
The electrical length of a Teflon coated co
pper wire is ________ the electrical length of the same physical length copper wire
on a silicon substrate
, indicating that electrical signals travel __________ on silicon that through a Teflon coated copper wire
Definition
greater than, slower
Term
What is
arguably the
single most important technology in IC manufacturing?
Definition
lithography
Term
Approximately what percentage of the wafer manufacturing cost is tied up in lithography?
Definition
35%
Term
The patterning process consists of
all the following except?
Definition
wafer cleaning
Term
Which is not one of
the three types of exposure systems used in modern
UV
fabrication processes?
Definition
near-field printing
Term
Which is not considered one of the exposure tool metrics
Definition
projection
Term
Projection is the
dominant
system in use today and its performance is usually described in terms of all the following except?
Definition
mask damage mitigation
Term
What type of resist is usually
identified as “what you see is what you get”?
Definition
positive resist
Term
Which is not a
Defect Classification
with respect to masks?
Definition
Particles and scratches
Term
Which lithography method is not considered and advanced lithography technology?
Definition
projection printing lithography
Term
Which of the following statements is NOT correct with respect to SiO2?
Definition
SiO2 is a poor insulator and bulk layers have unstable properties
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