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Magnetic separator made of magnetic material

Author:admin   AddTime:2020-07-22

Explanation of magnetic materials:


The material that can react to magnetic field in some way is called magnetic material. According to the magnetic strength of matter in the external magnetic field, it can be divided into diamagnetic material, paramagnetic material, ferromagnetic material, antiferromagnetic material and ferrimagnetic material. Most of the materials are diamagnetic or paramagnetic, and they react weakly to the external magnetic field. Ferromagnetic materials and ferrimagnetic materials are strong magnetic materials, usually referred to as magnetic materials.



How is the relationship between magnetic materials and wireless charging?



Magnetic materials and wireless charging



Wireless charging products can be divided into receiver and transmitter, such as WiFi function of mobile phone, transmitter similar to wireless router; wireless charging receiver similar to built-in wifi antenna of mobile phone; receiver technology requires heat dissipation, thin and high efficiency, mainly composed of coils, magnetic materials, chips, etc., and various magnetic separators made of soft ferrite materials are used as wireless charging technology The main components play the role of increasing the induced magnetic field and shielding coil interference in wireless charging equipment. The wireless charger has higher requirements for soft ferrite material function, product size and reliability, and the receiver has higher requirements for it.

The relationship between magnetic materials and wireless charging?

Magnetic materials and wireless charging



The main magnetic materials used in wireless charger are: NdFeB permanent magnet, NiZn ferrite thin magnetic sheet, MnZn ferrite thin magnetic sheet, flexible ferrite magnetic sheet;

1) Molding

It is mainly tape casting, and the equipment involved includes tape casting machine and pressing forming;

2) Sintering

The magnetic powder is sintered in nitrogen atmosphere at high temperature (900 ~ 1500), and the equipment involved is nitrogen sintering furnace. Haichen furnace industry, Hefei Gaoge and LSK are suppliers of such equipment;

3) Detection

The magnetic properties and appearance of materials were tested;

4) Slice

The sintered material is cut into thin slices;

5) Film

After the ferrite needs to be broken, the protective film and double-sided adhesive tape are pasted to match the coil to make the module.

Absorbing material: www.goodsmaterial.com

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