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Ferrite sheets are widely used

Author:admin   AddTime:2021-08-26

In handheld devices such as payment mobile phones, the main function of the electronic tag is to reduce the absorption of the signal magnetic field by the metal material, and by increasing the magnetic field strength, the sensing distance is effectively increased. The payment method of the payment mobile phone (NFC) is through 13.56MHz&n

sp; RFID wireless radio frequency identification system is realized.



The RFID smart label of this application is affixed to the back cover of the mobile phone, which can save space to a certain extent. In handheld electronic devices such as mobile phones, electronic tags need to be integrated or attached to the electronic device to function as a component of the device. Often due to limited space, it is inevitable to attach RFID tags (usually passive) to metal, etc. The surface of the conductive object or the place where there are metal devices nearby.

In this way, the alternating electromagnetic field induced by the tag under the action of the signal sent by the card reader is easily attenuated by the metal eddy current, which greatly weakens the signal strength, leading to the failure of the reading process.

Therefore, in order for the product to be able to better use the card reader, it is necessary to add a microwave absorbing material to the product. Ferrite sheets have begun to be widely used in micro-payment mobile phones and radio frequency fields

ferrite sheet:https://www.goodsmaterial.com/

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