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Understanding Solid State Electronics
today there are few electronics that don’t contain solid-state electronics. Okay, so what exactly are solid-state electronics after all?
Circuits or devices built from only solid materials are known as solid-state electronics. Within these solid materials, the charge is totally confined which it is meant to switch and amplify the charge. These solid-state devices are commonly a component of printed circuit boards.
Learn about the relationship between solid-state electronics and printed circuit boards.
The current in the solid material can be defined as negatively charged electrons and positively charged electron holes. The interactions between the electrons and electron holes determine the form and function of solid-state devices.
Solid-State Semiconductors
Conductivity varies in the solid materials located in the solid-state devices. The most typically used semiconductor materials include germanium, gallium arsenide and silicon.
Impurities within the structure of the material can manipulate the behavior of the semiconductor materials. Light, heat or a magnetic or electric field can change the conductivity. As a result, solid-state devices are easier to work with than the former vacuum tubes or thermionic devices.
The charge within a circuit was once controlled by vacuum tubes before solid-state electronics were invented. The problem with vacuum tubes is that they created lots o f heat which resulted in them having to be replaced often. Aside from this, they were large and bulky. For example, the largely oversized televisions and radios of the past needed to be that size in order to handle vacuum tubes and their circuitry. Miniaturization resulted once solid-state devices came into play. A single microprocessor chip can have billions of microscopic transistors on it as a result of today’s high-tech innovations. Without these solid advances in technology, the printed circuit would not be possible.
Common Sold-State Devices
There has been a large increase in the number of solid-state devices which are available for design and production since the first invention of the transistor in 1947. Here is sample of some of the most common:
- Transistors
- Diodes
- Integrated Circuits (IC)
- Liquid-Crystal Displays (LCD)
- Flash Drives
- Charge-Coupled Devices (CCD)
- Microprocessors
See how these are being used in PCB manufacturing.
Where Will Electronics Go Next?
Organic Light Emitting Diodes (OLEDs) and organic solar cells, which use carbon-based polymers, are just a few of the new solid-state inventions that open new area of technology for electronics. Actually, some of tomorrow’s technology we are already using today with devices like flexible displays, organic photovoltaic and touch screens. The technology of tomorrow will continue to be defined by breakthroughs in solid-state technology.
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