Neodymium Magnets in Wireless Charger
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Neodymium Magnets in Wireless Charger

  • SHINE

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Product Introduction

Wireless charger

Magnetic wireless charging can be simply understood as adding a circle of magnets on the basis of the original wireless charging. Through the attraction of the magnets, the smart phone and the wireless charger can be accurately positioned and paired, thus entering a more efficient wireless charging state.


In addition to accurate alignment, magnetic wireless charging can also ensure that the smart phone will not be displaced due to vibration during the wireless charging process, and is in the best charging state in real time, improving the user experience.

Magnet Attribute Parameter
Main Application Wireless phone charger
Place of Origin Ningbo, China
Brand SHINE
Grade From N35 to N52
Type of Coating Ni Coating
Size Accept Customization
Processing Service Shaping, Sintering, Cutting, Plating
Packaging Antirust paper, gasket, vacuum packaging, inner cell foaming material, carton, plastic box, protective pallet transportation
Transport Express delivery, logistics, sea or air transportatio
Re: The data above is only for your reference. Please contact us for more details.
Application Area

Consumer electronics is one of the traditional applications of high-performance neodymium magnets. Taking smart phone for example, there are more than 10 spare parts where neodymium magnets are used,


For example microphone, micro speaker/receiver, vibration motor, wireless charger, Bluetooth earphone, phone camera focusing,sensor, to name just a few.With the advancement of science and technology, more and more accessories in smart phone are made with neodymium magnets


Consumer-Electronic-Application3

Different Shapes of Neodymium Magnets

The shapes of neodymium magnets below are quite common on the market. If you need to customize special shapes, you can contact us to provide you with a solution!


Different-Shapes-of-NdFeB-Magnets

Magnetization Direction

The following are the conventional magnetization methods. If there are special magnetization requirements, please contact us for consultation!

Magnetization-Direction
FAQ

Can I place the magnets nearby cellphone or other electronic products?

It is no problem for for the magnet in small size such as D8x1mm. But for bigger one such as D50x30mm, we do not suggest you to place the magnets nearby the cellphone. Please be cautious that keep all magnets far away from pacemaker!


Do you have finished magnets in stock?

There are too many specifications of magnets. Different customers needs different grades, sizes, shapes, magnetization orientation, plating, tolerance. So we often make the quantity as customer ordered. For the long-terms customers who frequently buy the same magnets from us, we may have some in stock. Please contact us if you want to know what we have in stock.


What is the max. and min. size of magnet you can make?

We can make the magnet in size from 1x1x0.5mm to 200x100x60mm in block shape and from D1x1mm to D200x50mm for disc magnets. Our sales guy is ready to provide you size details if you need.


Could magnets be delivered by air for urgent demand?

Magnetic shield is necessary for the magnets to be delivered by air. We will put iron plates inside the carton to shield the magnetic force. So you need to inform us if the magnets are delivered by air.


Is surface treatment necessary for neodymium magnets?

The composition of neodymium magnets is mainly neodymium, Iron and boron. The percentage of iron is up to 60%. So it is easy for neodymium magnets to get rusty. The normal plating of neodymium magnets is Zinc, NiCuNi, Epoxy etc. Zinc plating works in dry and clean condition. NiCuNi and Epoxy could be used in humid or bad working condition.


How to choose the grade of neodymium magnets?

The magnetic properties of neodymium magnets could be reduced in the working temperature that exceeds the magnet could stand. So working temperature is a very important factor to decide the grade of neodymium magnets. For example, if the magnets work in the temperature of 110 degrees, you need to buy neodymium magnets at least in H grade.  If the working temperature of magnet exceeds 200 degrees, SmCo magnets or AlNiCo magnets is the best solution.

Br is another factor you need to take into consideration. Higher Br is necessary if you need very powerful magnet. We are always glad to give you professional suggestions about how to choose the grade of magnets


Production Process Of Sintered Nd FeB Magnet


Production-Process

Test Instruments

Neodymium Test Instruments


Shine Magnetics has focused on quality control since its founding. Necessary and strict checks and tests are taken in all production processes to make sure any products made by us are trouble free. To work with Shine Magnetics is to get the most reliable supplier of magnetic products. It goes without saying that our magnetic products comply with the highest quality standards. We are working continually to improve the quality and process of the products.


B-H Curver

B-H-Curver

Plating Testing

Following Tests Could be made as per customers’requirements:

HAST Test: Test Condition: 132.9℃, 95% humidity, 2.9 ATM, 7 days
Weight Loss: 3mg/cm2

Plating-available-&-Tests

Regular Coatings

Regular-Coatings

Properties Chart
HCj

HCj

Permanent Magnets Properties Chart

Permanent Magnets Properties Chart


*Shine Magnetics made the mass production of neodymium magnet(N52,N52M,N52H, N48SH, N45UH, N40EH, 33AH). We owns the most complete set of manufacturing facilities for timely producing tailored magnets that customer need.

*The highest grade of shine neodymium magnets retain a max working temperature of 220℃.

*After 168 hours of HAST test ( 2atm, 100%RH, 120℃) on the no coating N45SH NdFeB magnet, the weight loss is less than 3 mg/cm³. We always produce NdFeB magnets with high anti corrosion characters and low temperature coefficiency.

Physical Properties
Density 7.4 ~7.7 g /cm ³ Br Temperature Coefficient 0.08 ~ 0.12% / ℃
Hardness 560 ~ 650 HV iHC Temperature Coefficient 0.34 ~ 0.75% / ℃
Resistivity 120 ~ 160UΩ Compressive Strength 1000 ~ 3000 N / mm ³
Thermal Conductivity 7 ~ 10 W / MC Bending Strength 250~ 400 N / mm ³
Max Working Temperature 80 ~ 240 ℃ Young's Modulus 150~160 KN
Curie Temperature 320 ~ 395 ℃ Situation Magnetization 30 ~ 40 MGOe
Magnetic Properties Parameters

Neodymium-Magnet-Magnetic-Properties

About Us

data


NINGBO SHINE MAGNETIC TECHNOLOGY CO., LTD
We are a creative magnetic solution supplier. We specializes in researching, developing and producing magnets and magnetic products used in different industrial and customers`applications. Relying on right knowledge and experience in the field, aiming at the potential demands from customers, integrating the intelligence of our know-how experts, We have produced well recognized magnetic products.

Certificate

Our product testing meets quality standards.

Certificate1000
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We are constantly trying to improve ourselves in new thoughts, new technology and new working methods.
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