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Static electricity causes the destruction of electronic prod

time:2019-01-27 09:54:15 click:
If all electronic components are destroyed, they must be detected and eliminated in production and testing, and the impact is relatively small. If the component is only slightly damaged, it is not easy to find under normal testing. In this kind of situation, it is often found that it is destroyed because it is processed through multiple levels, and even when it is used. It is not easy to check it, and its loss is unpredictable. It takes a lot of manpower. It is financially possible to find out all the problems. And if you can detect the problem when you use it, its loss will be very huge.
What are the characteristics of static electricity damage to electronic products?
 
First, concealment
The human body cannot directly sense static electricity unless there is an electrostatic discharge. However, the presence of an electrostatic discharge does not necessarily have a shock sensation. This is because the human body's perceived electrostatic discharge voltage is 2-3 KV, so static electricity is concealed.
 
Second, the potential
Some electronic components have no significant degradation in performance after being damaged by static electricity, but multiple accumulations of discharges can cause internal injuries to the device and cause hidden dangers. Therefore, the damage of static electricity to the device is potential.
 
Third, randomness
Under what circumstances will electronic components be subject to electrostatic damage? It can be said that all processes are threatened by static electricity from the time a component is produced until it is damaged, and the generation of such static electricity is random and its damage is random.
 
Fourth, complexity
1. The failure analysis of electrostatic discharge damage is time-consuming, expensive, and expensive due to the fine, fine, and small structural features of electronic products. High-tech is required, and high-precision instruments such as scanning electron microscopes are often required.
2. Even so, some electrostatic damage conditions are difficult to distinguish from other causes of damage, which will make people mistake the failure of electrostatic damage as other failures.
3. This is not fully understood before the damage to the electrostatic discharge, often because of the early failure or the unclear failure of the situation, so it will unconsciously cover the real cause of the failure. Therefore, the analysis of the destruction of electronic devices by static electricity is complicated.

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