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INTEGRATED CIRCUITS - 2
 
V. Ryan 2006-2022
 
Integrated circuits are composed hundreds, thousands and even hundreds of thousands of electronic components. These are formed on interlocking layers / wafers of silicon making it possible to create small individual electronic components. An example of the an integrated circuit with its many layers can be seen below.
 
 
 
 
If an area of an integrated circuit is magnified thousands of times, its various layers can be seen. The drawing above shows three layers, each layer is shown as a specific colour. Although transistors and resistors do not look like typically sized components, the interlocking layers form miniature versions and they work in the same way.
 
The first image below shows an Integrated Circuit for a computer motherboard. Each ‘side’ of the IC has eleven pins, soldered to the main circuit board.
 
 
 
 
The second image (below) shows the internal view of the IC. The circuit within the ‘chip’, which has hundreds of thousands of microscopic electronic components, is connected to the IC’s pins with gold tracks. The pins are soldered to the main circuit board.
 

 

 
 
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