Microelectroinics is the branch of electronic technology devoted to the design and development of extremely small electronic devices that consume very little electric power, generally a silicon (or other) wafer. A common example is an integrated circuit or microchip found in computers or mobile phones.It is often taken as a synonym for integrated circuit technology. Semiconductor Engineering uses semiconductors to to miniaturize electronic components, such as transistors. Not only does miniaturization mean that the components take up less space, it also means that they are faster and require less energy. A semiconductor is material that conducts more than an insulator but less than a conductor. Some semiconductors conduct at some times but not at others. Some common semiconductors are silicon and germanium. Transistors are made out of semiconductor crystals.
