Question:* What do diodes do?
Answer: • Block current in one direction while letting current flow in another direction.
Question:* Where must doping be added within a semiconductor to alter their conductivity?
Answer: • Their crystal lattice.
Question:* Memristors are also known as _________.
Answer: • Memory resistors
Question:* What is the value of kT at room temperature?
Answer: • 25.6 meV
Question:* Which semiconductor has a direct bandgap?
Answer: • Gallium arsenide
Question:* Which of these is a common method for producing single-crystal silicon?
Answer: • Czochralski process
Question:* What was the first transistor made of?
Answer: • Germanium
Question:* What happens to electrons to cause a semiconductor to gain electric conductivity?
Answer: • They have been delocalized.
Question:* What is the maximum theoretical efficiency for a single-junction silicon solar cell?
Answer: • 33%
Question:* What is the term for a semiconductor device manufacturing plant?
Answer: • Fab
Question:* What are the four elements in CIGS?
Answer: • Copper, indium, gallium, selenium
Question:* What devices are typically used to control volume in electronics?
Answer: • Resistors
Question:* On a circuit board what letter usually marks a transistor?
Answer: • Q
Question:* What technique is commonly used to pattern semiconductors?
Answer: • Photolithography
Question:* A degenerate semiconductor has which of the following characteristics?
Answer: • All of these are characteristics of a degenerate semiconductor
Question:* Which concept describes the chemical potential of a semiconductor?
Answer: • Fermi level
Question:* In ellipsometry, the azimuth is the angle between the _______ and the plane of incidence.
Answer: • major axis of the ellipse
Question:* The electron-volt is a unit of:
Answer: • Energy
Question:* The wavelength of light emitted by an LED is determined by its:
Answer: • bandgap
Question:* What is an exciton?
Answer: • An electron-hole pair
Question:* What is the only p-type dopant used in silicon device manufacturing?
Answer: • Boron
Question:* Which of the following is a voltage controlled device?
Answer: • MOSFET
Question:* Which two formulas determine the carrier distribution of a semiconductor?
Answer: • Fermi-Dirac distribution & density of states
Question:* What type of semiconductor do you get if you dope it with boron?
Answer: • A p-type semiconductor.
Question:* What three primary types of carrier action occur inside a semiconductor?
Answer: • Drift, Diffusion, Recombination-Generation
Question:* The process by which electrons and holes annihilate is called:
Answer: • Recombination
Question:* What is a III-V semiconductor?
Answer: • A semiconductor made from elements in columns III and V of the periodic table
Question:* What mathematical formula most accurately predicts the Fermi level of a semiconductor?
Answer: • Fermi-Dirac distribution
Question:* An electron is a _____
Answer: • fermion
Question:* What are the four terminals of an FET transistor?
Answer: • Source, gate, drain, and body.
Question:* Can pure silicon alone be used to make a semiconductor?
Answer: • No. It needs impurities to become semi-conductive.
Question:* What does the acronym IGBT stand for?
Answer: • Insulated gate bipolar transistor.
Question:* What are the two basic types of impurities used in semiconductor doping?
Answer: • N-Type & P-Type
Question:* What law predicts the future of integrated circuits?
Answer: • Moore's
Question:* At which frequency, capacitive reactance equals to inductive reactance?
Answer: • Resonant Frequency
Question:* What are the components of a MOSFET?
Answer: • Source, drain, and gate
Question:* What does CMOS stand for?
Answer: • Complimentary metal-oxide-semiconductor
Question:* Diodes and most photovoltaic cells contain which feature?
Answer: • A p-n junction
Question:* What are the two bands in which an electron can reside?
Answer: • Valence and conduction
Question:* What is the reason for reducing drain doping in a metal-oxide semiconductor device design?
Answer: • To improve breakdown voltage
Question:* What is a semiconductor?
Answer: • The combination of a conductive material, and an insulator.
Question:* What does 'doping' do?
Answer: • Changes a semiconductor's behavior
Question:* What is the simplest semiconductor device?
Answer: • Diode
Question:* When silicon has been doped, what does this mean?
Answer: • Impurities have been added that alter its electronic properties in a controllable way.
Question:* What is a common scheme of electrical polarity in a MOSFET transistor?
Answer: • n-p-n, and p-n-p.
Question:* Which of the following is a type of transistor?
Answer: • BJT
Question:* The process of deliberately adding impurities to affect conductivity is called:
Answer: • Doping
Question:* Why are semiconductors important?
Answer: • They successfully replaced vacuum tubes as the primary way to compute data.
Question:* What are semiconductors made out of primarily?
Answer: • Silicon.
Question:* When infusing impurities into silicon to make a semiconductor, what is this process called?
Answer: • Doping.
Question:* What does LED stand for?
Answer: • Light Emitting Diode
Question:* What does MOSFET stand for?
Answer: • Metal–oxide–semiconductor field-effect transistor
Question:* What does BJT stand for?
Answer: • Bipolar junction transistor
Question:* What is the bandgap of silicon?
Answer: • 1.12 eV
Question:* Which type of element is most widely used for the manufacture of semiconductor devices?
Answer: • Group IV
Question:* In a plot of carrier concentration versus temperature, which of these is NOT a distinct region?
Answer: • Melt In
Question:* A space on a wafer between die is called a(n):
Answer: • Scribe line
Question:* What is the conventional unit of volume in semiconductor engineering?
Answer: • cm^3
Question:* Which statement is true about the Zener Effect?
Answer: • It occurs in heavily doped junctions
Question:* What is the name of the regime in which transistors pass current?
Answer: • Inversion
Question:* True or False? Pure Si has a low electrical resistivity at room temperature
Answer: • False
Question:* What causes particles to diffuse from regions of higher concentration to regions of lower concentration?
Answer: • Thermal Motion
Question:* Which particle generally carries the most momentum?
Answer: • A phonon
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