MOSFET and MISFET Quiz

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What is the main advantage of a MOSFET compared to bipolar transistors?

Requires almost no input current to control the load current (correct)

Can handle higher temperatures without degradation

Has a longer lifespan

Provides faster response time

What does the voltage applied to the gate terminal do in an enhancement mode MOSFET?

Sustains the existing conductivity of the device

Increases the conductivity of the device (correct)

Has no effect on the device's conductivity

Reduces the conductivity of the device

Which material can be used as the gate material in a MOSFET, despite the name 'metal' in MOSFET?

Steel

Polysilicon (correct)

Copper

Aluminum

What is the role of the insulated gate in a MOSFET?

It determines the conductivity of the device Signup and view all the answers

What is another near-synonym for a MOSFET?

Insulated-gate field-effect transistor (IGFET) Signup and view all the answers

Who first patented the basic principle of the field-effect transistor?

Julius Edgar Lilienfeld Signup and view all the answers

Who patented the basic principle of the MOS transistor in 1925?

Julius Edgar Lilienfeld Signup and view all the answers

Which semiconductor is usually the semiconductor of choice for MOSFETs?

Silicon Signup and view all the answers

Who demonstrated a device that had the structure of a modern MOS transistor in the 1960s?

Mohamed Atalla Signup and view all the answers

What material is used instead of silicon dioxide for the gate insulator to overcome the increase in power consumption?

High-κ dielectric Signup and view all the answers

Which pair of scientists proposed the structure resembling the MOS transistor during their investigation that led to the discovery of the transistor effect?

William Shockley and John Bardeen Signup and view all the answers

What prevented dopants from diffusing into the silicon wafer, as discovered by Carl Frosch and L. Derick?

Layer of silicon dioxide Signup and view all the answers

Which semiconductor material does not form good semiconductor-to-insulator interfaces for MOSFETs?

Gallium arsenide Signup and view all the answers

Who pointed out several advantages of the modern MOS transistor device, notably ease of fabrication and its application in integrated circuits?

Dawon Kahng Signup and view all the answers

In what form can complementary pairs of MOS transistors be used to make switching circuits with very low power consumption?

CMOS logic Signup and view all the answers

What is the main advantage of a MOSFET compared to bipolar transistors?

Requires almost no input current to control the load current Signup and view all the answers

What does the voltage applied to the gate terminal do in an enhancement mode MOSFET?

Increases the conductivity of the device Signup and view all the answers

Which material can be used as the gate material in a MOSFET, despite the name 'metal' in MOSFET?

Polysilicon Signup and view all the answers

What is another near-synonym for a MOSFET?

MISFET Signup and view all the answers

What prevented dopants from diffusing into the silicon wafer, as discovered by Carl Frosch and L. Derick?

Insulated gate Signup and view all the answers

What is the role of the insulated gate in a MOSFET?

Prevents dopants from diffusing into the silicon wafer Signup and view all the answers

What material is usually the semiconductor of choice for MOSFETs?

Silicon Signup and view all the answers

Who demonstrated a device with the structure of a modern MOS transistor in the 1960s?

Dawon Kahng Signup and view all the answers

What is used instead of silicon dioxide for the gate insulator to reduce power consumption?

High-κ dielectric Signup and view all the answers

Who first patented the basic principle of the MOS transistor in 1925?

Julius Edgar Lilienfeld Signup and view all the answers

Which semiconductor material does not form good semiconductor-to-insulator interfaces for MOSFETs?

Gallium arsenide Signup and view all the answers

Who proposed the structure resembling the MOS transistor during the investigation that led to the discovery of the transistor effect?

William Shockley Signup and view all the answers

What prevented dopants from diffusing into the silicon wafer, as discovered by Carl Frosch and L. Derick?

The silicon dioxide layer Signup and view all the answers

What is another near-synonym for a MOSFET?

Field-effect transistor (FET) Signup and view all the answers

What prevented the anticipated effects in the structure resembling the MOS transistor proposed by Bell scientists?

The traps on the semiconductor surface holding electrons immobile. Signup and view all the answers

What is used instead of polysilicon for the gate material in some MOSFETs?

Metal gates Signup and view all the answers

MOSFET and MISFET Quiz

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Questions and Answers

What is the main advantage of a MOSFET compared to bipolar transistors?

What does the voltage applied to the gate terminal do in an enhancement mode MOSFET?

Which material can be used as the gate material in a MOSFET, despite the name 'metal' in MOSFET?

What is the role of the insulated gate in a MOSFET?

What is another near-synonym for a MOSFET?

Who first patented the basic principle of the field-effect transistor?

Who patented the basic principle of the MOS transistor in 1925?

Which semiconductor is usually the semiconductor of choice for MOSFETs?

Who demonstrated a device that had the structure of a modern MOS transistor in the 1960s?

What material is used instead of silicon dioxide for the gate insulator to overcome the increase in power consumption?

Which pair of scientists proposed the structure resembling the MOS transistor during their investigation that led to the discovery of the transistor effect?

What prevented dopants from diffusing into the silicon wafer, as discovered by Carl Frosch and L. Derick?

Which semiconductor material does not form good semiconductor-to-insulator interfaces for MOSFETs?

Who pointed out several advantages of the modern MOS transistor device, notably ease of fabrication and its application in integrated circuits?

In what form can complementary pairs of MOS transistors be used to make switching circuits with very low power consumption?

What is the main advantage of a MOSFET compared to bipolar transistors?

What does the voltage applied to the gate terminal do in an enhancement mode MOSFET?

Which material can be used as the gate material in a MOSFET, despite the name 'metal' in MOSFET?

What is another near-synonym for a MOSFET?

What prevented dopants from diffusing into the silicon wafer, as discovered by Carl Frosch and L. Derick?

What is the role of the insulated gate in a MOSFET?

What material is usually the semiconductor of choice for MOSFETs?

Who demonstrated a device with the structure of a modern MOS transistor in the 1960s?

What is used instead of silicon dioxide for the gate insulator to reduce power consumption?

Who first patented the basic principle of the MOS transistor in 1925?

Which semiconductor material does not form good semiconductor-to-insulator interfaces for MOSFETs?

Who proposed the structure resembling the MOS transistor during the investigation that led to the discovery of the transistor effect?

What prevented dopants from diffusing into the silicon wafer, as discovered by Carl Frosch and L. Derick?

What is another near-synonym for a MOSFET?

What prevented the anticipated effects in the structure resembling the MOS transistor proposed by Bell scientists?

What is used instead of polysilicon for the gate material in some MOSFETs?

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