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The damage of static electricity to PCBA circuit board

date:2020-12-28 11:48:36

Static electricity is very harmful to microelectronics. The protection of static electricity in electronic factories is often severe. But why electronic factories need to prevent static electricity and how static electricity can damage integrated circuits after all. We may not know very well. Today FASTPCBA Tell us in detail about the damage of static electricity to integrated circuit boards.


Static electricity to PCBA


First of all, the first damage caused by static electricity to the circuit board is electrostatic adsorption, which can cause severe pollution to the circuit board. Everyone knows that the circuit board requires the workshop to be a clean workshop or an ultra-clean workshop, but it is difficult for many PCB manufacturers to have no particles. Nowadays, the particle size of the dust particles is required to be reduced from the original 0.3μm to the current 0.1μm, but assuming the adsorbed dust When the particle size is larger than the line width, it is easy to make the circuit board useless.

The second is the damage of electrostatic discharge, which will constitute equipment breakdown damage. Electrostatic discharge is the process of charge accumulation. When the charge accumulation reaches a certain level, a conductor close to it will cause electrostatic discharge. Assuming that a conductive equipment with a certain amount of static electricity is placed alone or installed in a circuit module, it will be broken down immediately. The equipment will not be damaged immediately if it is attacked by static electricity, but its reliability will be reduced, and it will be brought to the manufacturer. There is a certain loss.

The third is electronic annoyance. It will cause damage. Electrostatic discharge will radiate a lot of radio waves. These radio waves have frequency, which will cause great annoyance to the surrounding microprocessors, which will constitute program change. , Material errors, severely affected the modern production procedures.


Electrostatic bag- PCBA

Electrostatic bag- PCBA


Through the above introduction, I believe that everyone has a deeper understanding of the damage of static electricity, especially the employees engaged in electronic operations. The more detailed the analysis of the damage of static electricity to the integrated circuit board, the better for us to protect against static electricity. Measures.
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