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Electrical Characterization: Diodes

Electrical Characterization: Diodes

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Gain insight into a topic and learn the fundamentals.
4.9

29 reviews

Intermediate level

Recommended experience

4 hours to complete
Flexible schedule
Learn at your own pace
Gain insight into a topic and learn the fundamentals.
4.9

29 reviews

Intermediate level

Recommended experience

4 hours to complete
Flexible schedule
Learn at your own pace

What you'll learn

  • Define resistance, resistivity, and sheet resistance and their associated units.

  • Describe how to perform four-point probe current-voltage measurements.

  • Explain the use of the transfer length method.

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Assessments

6 assignments

Taught in English

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This course is part of the Semiconductor Characterization Specialization
When you enroll in this course, you'll also be enrolled in this Specialization.
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  • Gain a foundational understanding of a subject or tool
  • Develop job-relevant skills with hands-on projects
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There are 6 modules in this course

Course 2 begins with the definitions of resistivity and sheet resistance of semiconductors and metals and emphasizes the importance of working with the correct units for each. We see how to calculate the sheet resistance of a thin conducting film once we know its resistivity. A method to determine the contact resistance using the transfer length method is described, along with the definition of the specific contact resistivity. Current-voltage (IV) measurements of p-n junction diodes are used to extract key device parameters such as the ideality factor and series resistance. The course project explores how process monitor blocks are used to maintain manufacturing integrity.

Course 2 begins with the definitions of resistivity and sheet resistance of semiconductors and metals and emphasizes the importance of working with the correct units for each. We see how to calculate the sheet resistance of a thin conducting film once we know its resistivity. A method to determine the contact resistance using the transfer length method is described, along with the definition of the specific contact resistivity. Current-voltage (IV) measurements of p-n junction diodes are used to extract key device parameters such as the ideality factor and series resistance. The course project explores how process monitor blocks are used to maintain manufacturing integrity.

What's included

1 video2 readings

1 video•Total 8 minutes
  • Introduction to This Course•8 minutes
2 readings•Total 10 minutes
  • Instructor Bio•5 minutes
  • Course Tips and Video Information•5 minutes

This week introduces the concepts of resistivity and sheet resistance.

What's included

3 videos1 assignment

3 videos•Total 32 minutes
  • 2.1.1: Current-Voltage Characteristics•8 minutes
  • 2.1.2: Resistivity•12 minutes
  • 2.1.3: Sheet Resistance•12 minutes
1 assignment•Total 10 minutes
  • Check Your Knowledge (CYK) •10 minutes

This week, you will learn about measuring resistance with four-point probes.

What's included

2 videos1 reading1 assignment

2 videos•Total 27 minutes
  • 2.2.1 Resistance Measurements•17 minutes
  • 2.2.2 Four-point Probes•10 minutes
1 reading•Total 20 minutes
  • Suggested Reading: Four-point Probe Measurements (optional)•20 minutes
1 assignment•Total 10 minutes
  • Check Your Knowledge (CYK) •10 minutes

This week, you will learn about measuring contact resistance using transfer length measurements.

What's included

2 videos1 reading1 assignment

2 videos•Total 21 minutes
  • 2.3.1: Contact Resistance•6 minutes
  • 2.3.2: Transfer Length Method•15 minutes
1 reading•Total 20 minutes
  • Suggested Reading: Contact Resistance (optional)•20 minutes
1 assignment•Total 10 minutes
  • Check Your Knowledge (CYK) •10 minutes

This week, you will learn about the current-voltage (IV) characteristics of diodes.

What's included

1 video1 reading1 assignment

1 video•Total 7 minutes
  • 2.4 Diode Series Resistance and Ideality Factor•7 minutes
1 reading•Total 20 minutes
  • Suggested Reading: Photovoltaics and Diode I-V Curves (optional)•20 minutes
1 assignment•Total 10 minutes
  • Check Your Knowledge (CYK) •10 minutes

This week, you will complete a case study to assess your ability to determine what happened to a process monitor block to change its resistance.

What's included

1 video2 assignments

1 video•Total 11 minutes
  • 2.5.1: Project Solution: Poly-Si Blocks•11 minutes
2 assignments•Total 33 minutes
  • Process Monitor Case Study: Poly-Si Blocks•30 minutes
  • Project Self-reflection•3 minutes

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Instructor

Instructor ratings
4.8 (5 ratings)
Arizona State University
5 Courses•10,514 learners

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