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Ferrite chip of NFC antenna on the market

Author:admin   AddTime:2020-08-08

NFC antenna ferrite chip encyclopedia official profile: 13.56MHz antenna ferrite sheet / film is a high temperature sintered ferrite material. In hand-held devices such as NFC (near field communication) payment mobile phones, the main function of the electronic tag is to reduce the absorption of metal materials to the signal magnetic field. At the same time, the ferrite film itself is a kind of ferrite material sintered at high temperature. By increasing the magnetic field strength, the induction distance can be effectively increased.



Ferrite sheet



In handheld devices such as NFC payment mobile phones, the main function of the electronic tag is to reduce the absorption of the signal magnetic field by metal materials. At the same time, the ferrite membrane itself is a kind of ferrite material sintered at high temperature. By increasing the magnetic field strength, the magnetic field strength of the electronic tag can be reduced, RFID | NFC metal resistant ferrite sheet is a kind of functional composite material which mainly absorbs electromagnetic wave. It can eliminate the back and forth reflection of electromagnetic wave in shielding cavity, reduce the interference of clutter on its own equipment, and effectively prevent the interference and damage of electromagnetic radiation to surrounding equipment and personnel. It is an advanced means to eliminate electromagnetic wave pollution.



Ferrite sheet



The common thickness of ferrite sheet includes:

0.08mm 0.1mm 0.2mm 0.3mm

NFC ferrite sheet here, refers to flexible magnetic sheet, non sintered ferrite hard magnetic sheet, its single side adhesive texture is soft, the product is smooth and ultra-thin thickness is in the range of 0.15mm ~ 0.5mm. The permeability of NFC ferrite magnetic sheet can be as high as 35 at the electromagnetic wave frequency of 13.56MHz. The function of NFC soft magnetic sheet in NFC equipment is roughly two or one to isolate metal, prevent communication wave from skin effect and lose electricity Magnetic energy and two increase the "positive energy" of the magnetic field, that is, the magnetic field strength, which makes the reader and a transponder have high reaction sensitivity and long reading distance.

Absorbing material: www.goodsmaterial.com

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