Introduction:

Semi Conductors are one of the most important inventions of the 20th century. These tiny components are the building blocks of electronics and have revolutionized the way we live, work, and communicate. From smartphones to televisions, from laptops to medical equipment, semi conductors are a ubiquitous presence in our lives. But what exactly are semi conductors and how do they work? In this article, we will explore the wonders of semi conductors and find out what makes them so special.

The History of Semi Conductors

Semi Conductors have been around for over a century. The first successful attempt to create a semi conductor was in 1904, when John Bardeen, Walter Brattain, and William Shockley developed the first point-contact transistor. However, it wasn’t until the 1950s that semi conductors really began to take off. With the introduction of the silicon semi conductor, the electronics industry began to grow at an exponential rate.

What Are Semi Conductors and How Do They Work?

Semi conductors are materials that have electrical conductivity between that of a conductor and an insulator. They are made of elements such as silicon, germanium, and gallium arsenide. When these materials are purified and doped with impurities, they become semi conductors.

Semi conductors work by controlling the flow of electrons. When an electric voltage is applied to a semi conductor, the electrons begin to flow, creating an electric current. By controlling the flow of electrons, semi conductors can be used to create electronic devices such as transistors, diodes, and integrated circuits.

Applications of Semi Conductors

Semi conductors have a wide range of applications in the electronics industry. Here are just a few of the ways that semi conductors are used:

• Computers: Semi conductors are used in computers to create integrated circuits, which are the building blocks of modern computers.
• Communication Devices: Semi conductors are used in communication devices such as smartphones, radios, and televisions. They are used to control the flow of data and to create communication networks.
• Medical Equipment: Semi conductors are used in medical equipment such as X-ray machines and CT scanners. They are used to control the flow of electricity and to create images of the body.
• Automotive Industry: Semi conductors are used in automobiles to control the engine, the transmission, and the other electrical systems.
• Renewable Energy: Semi conductors are used in renewable energy systems such as solar panels and wind turbines. They are used to control the flow of electricity and to convert energy from the sun and wind into usable power.

Frequently Asked Questions about Semi Conductors

Q: What is the difference between a semi conductor and a conductor? A: A conductor is a material that allows electricity to flow freely. A semi conductor is a material that has electrical conductivity between that of a conductor and an insulator.

Q: What are the most common semi conductors used in the electronics industry? A: The most common semi conductors used in the electronics industry are silicon, germanium, and gallium arsenide.

Q: How do semi conductors control the flow of electrons? A: Semi conductors control the flow of electrons by applying an electric voltage. When the voltage is applied, the electrons begin to flow, creating an electric current. By controlling the voltage, semi conductors can control the flow of electrons and thus the flow of electricity.

Q: What are the benefits of using semi conductors in electronics? A: The benefits of using semi conductors in electronics include their ability to control the flow of electricity, their reliability, and their low cost. Additionally, semi conductors are easy to manufacture and can be made into a variety of shapes and sizes.

Conclusion:

Semi Conductors have come a long way since their invention over a century ago. Today, they are a vital part of our daily lives and have revolutionized the electronics industry. With their ability to control the flow of electricity, semi conductors have opened up a world of possibilities in fields such as computers, communication, medicine, and renewable energy. Whether we realize it or not, semi conductors play a crucial role in our daily lives and will continue to do so for years to come. So next time you use your smartphone or turn on your computer, remember the tiny but mighty semi conductors that make it all possible.