Quick Turn PCBs – Structure of Atom to Understand PCB Electronics

Quick Turn PCBs – Structure of Atom to Understand PCB Electronics

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This article will recall your some of the fundamental concept of the atoms and their structures. This idea is really important to understand as to have a better understanding of how some of the electronics components work like semiconductors used in a PCB circuit board or other circuit boards. The structure of an atom consists of three main particles: electrons, protons and neutrons. As we know that protons are positively charged and neutrons carry no charge, both reside in a nucleus. The electrons which carry negative charge revolve in orbits around the nucleus. They are responsible to flow the current. The electricity depends on the number of electrons and protons. If electrons are higher than protons and are present in the valence shell (last shell) then the electricity will generate.


Due to the faded power of the nucleus, some of the electrons can free themselves away and are present as free members. The power can fade away for some of the reasons like the collision and the friction. Moreover; for the sake of good conductivity these three terms are must to understand. The conductance of an atom depends upon the valence electron ability to jump from the valence band to the conductance band. It also depends the distance in between these two bands. The lesser the distance, the more conductive the atom of an element will be. These simple concepts are really helpful to understand the PCB electronics in a more productive and bigger way.

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