Industry new
Unexplained degaussing of bank magnetic cards and mobile phone magnetic cards is plaguing life
At the beginning of the 21st century, our communication tools were generally magnetic cards for landline telephones and telephones. In the era of information technology today, major domestic banks have used ATM cash machines, which are also using the magnetic force of magnetic cards. Specifically, it is coated with a liquid magnetic material on a bank magnetic strip card, or it is stuck on a card with a thin solid magnetic stripe. From this point of view, the application market for magnetic materials will become larger and more popular.
However, one of the problems that magnetic cards have caused us to worry is that magnetic cards are easily degaussed due to large radiation in metropolitan areas. This results in a short service life of magnetic cards. In order to retrieve information from magnetic cards, we must resubmit them. Zhang magnetic card, then the magnetic card so-called "degaussing" role in the end is what happened?
When a magnetic card is disturbed by a strong external magnetic field, such as strong magnetic radiation from a cell phone or a radio, the information in the magnetic stripe is destroyed, which results in the card being unusable. Therefore, the magnetic card should not be too close to the powerful magnet, be careful to be demagnetized and cannot be used.
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