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Does the magnet behind the mobile phone affect it? This is a topic worth discussing. Here, we will analyze it from three aspects: specifications, magnetism and high temperature resistance.
I. Specifications
The magnet behind the mobile phone is generally very small, with a size of 2.5 mm x 1 mm. There may be slight differences between different brands and models of mobile phones, but they are generally within this range.
This size is very small, so it has little effect on the overall weight of the mobile phone. At the same time, because of its small size, the overall size of the mobile phone will not change because of the existence of magnets.
Second, the magnetic force
The magnetic force of the magnet behind the mobile phone is usually in the range of micro Tesla (mT) units. How does this magnetic force affect the performance of mobile phones?
First of all, it should be noted that many components in mobile phones, such as vibration motors and antennas, will generate magnetic fields. Therefore, the magnetic force of the magnet behind the mobile phone is generally small, and the influence on these components will be small or even negligible.
Secondly, the magnetic force of the magnet does not have much influence on the electronic components of the mobile phone (such as CPU, RAM, etc.). This is because most of these components are made of nonmagnetic materials, and the magnetic field will not have any influence on them.
Finally, it should be specially reminded that magnets may have a certain impact on the memory of mobile phones (such as built-in flash memory, microSD card, etc.). Because the data stored in the memory is recorded in the form of magnetic field, the magnet behind the mobile phone may have an influence on reading and writing data in the memory. Therefore, we should try to avoid putting the magnet behind the mobile phone close to the memory component.
Third, high temperature resistance
The high temperature has a great influence on the mobile phone, and the magnet behind the mobile phone is no exception. High temperature may make the magnet lose its magnetism, thus affecting the use effect of the mobile phone.
Generally speaking, the electronic components and batteries in mobile phones are relatively resistant to high temperatures. However, the performance of the magnet may change due to high temperature. Therefore, in the manufacturing process, in order to ensure the stability of the magnet behind the mobile phone, the surface of the magnet is generally covered with a protective film or special high-temperature resistant materials are used.
In the process of using the mobile phone, in order to avoid affecting the magnet behind the mobile phone, it is also suggested to avoid exposing the mobile phone to extreme high temperature as much as possible.
conclusion
To sum up, the influence of the magnet behind the mobile phone on the mobile phone is very small. Generally speaking, if the magnet is not attached near the memory component or the mobile phone is exposed to extremely high temperature, the magnet will not have much influence on the mobile phone. Of course, in the manufacturing process, we still need to take some measures to ensure the stability and reliability of the magnet.