Professional Course

Basics of Field Effect Transistors and Technology Scaling

edX, Online
7 weeks
149 USD
Next course start
Start anytime See details
Self-paced Online
7 weeks
149 USD
Next course start
Start anytime See details
Self-paced Online
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Course description

Basics of Field Effect Transistors and Technology Scaling

This online course is the later part of the Principle of Semiconductor Devices Professional Certificate Program.

MOSFET as the most important component in integrated circuits will be introduced in this course. We will explain the basic operating principle of MOS capacitor and its application in charge-coupled devices (CCD) and CMOS Active Pixel Sensor (APS) in modern digital cameras.

Based on the MOS capacitor theory, different MOSFET operation regions, including strong inversion, subthreshold region, linear region, and saturation region, will be described. The deficiency of classical MOSFET theory and the need for more advanced mobility degradation and carrier velocity saturation theory will be elaborated.

To bridge the knowledge of transistors with practical applications, we will explain Moore’s Law and the approach to transistor scaling. Some specific features in modern MOSFETs including silicide, strain engineering, shallow junction, high-k gate dielectrics, metal gate stack, and their fabrication processes will be explained. The operating principle of advanced MOSFET structures, such as FinFET, nanowire transistors, gate-all-around MOSFET and 2D transistors, will also be introduced.

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  • Self-paced Online
  • Online
  • English

Who should attend?


Introduction to Semiconductors, PN Junctions and Bipolar Junction Transistors

Training content

Week 1: MOS capacitor charges and capacitances

Introduction to the MOS capacitor structures, its charge and capacitance characteristics

Week 2: Charge coupled device, CMOS active-pixel sensor and MOS capacitor with a source

The operation principle of charge coupled devices, CMOS active pixel sensor for digital camera applications. The effect of adding a source to the MOS capacitor.

Week 3: Classical MOSFET I-V characteristics

Derivation of the classical MOSFET equations and the subthreshold characteristics.

Week 4: Mobility degradation and carrier velocity saturation

Correction to the classical pinchoff model by including the effect of mobility degradation and carrier velocity saturation.

Week 5: CMOS device scaling and short channel MOSFET

The effect of transistor scaling, short channel effects and the problems of small transistor design.

Week 6: Non-traditional nano-CMOS transistors

Introduction to the state-of-the-art transistors structure including SOI technology, FinFET, multi-gate MOSFET, tunnelling transistor and transistors based on 2-D materials.

Week 7: Final Exam

Course delivery details

This course is offered through The Hong Kong Polytechnic University, a partner institute of EdX.

4-5 hours per week


  • Verified Track -$149
  • Audit Track - Free

Certification / Credits

What you'll learn

  • visualize the charge and capacitance characteristics of MOS capacitors
  • describe the operation principle of charge couple devices and CMOS active-pixel sensor to construct a digital camera
  • calculate the current voltage characteristics of MOSFETs
  • explain how the reduction of transistor dimensions and device scaling drive the technology development
  • identify the most important parameters to control short channel effects
  • construct short channel MOSFETs
  • communication in the language of nano-CMOS technology

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