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Is the absorbing material conductive?

Author:admin   AddTime:2020-06-28

Is the absorbing material conductive?
Hello, everyone. Do you know that the absorbing materials conduct electricity? Today, the manufacturers of absorbing materials come to explain for you, hoping to help you.
1、 Traditional shielding materials (such as conductive cloth, conductive tape) are a kind of conductive shielding products. Their shielding method is reflection shielding, that is, the conductor has a reflection effect on electromagnetic wave. The lower the conductive resistivity is, the more severe the metal conductor reflects electromagnetic wave, such as silver, copper, aluminum, etc. because this conductive shielding material can only suppress electromagnetic wave and minimize electromagnetic wave radiation It radiates interference to other components, but it does not completely eliminate electromagnetic radiation. As the rated frequency of electronic product chip is higher and higher, the radiation is larger and larger, so there must be new shielding materials to solve this problem. The generation of absorbing materials is a high-level shielding method, which can absorb and transform electromagnetic radiation, and the largest range of clean electromagnetic space In addition, the absorbing material uses ferronickel alloy with very high resistivity as the raw material. This alloy has high permeability and resistivity, which can quickly absorb the clutter to achieve the purpose of shielding. It is a high-level shielding material and magnetic functional material.
2、 Microwave absorbing materials are magnetic functional materials based on ferronickel alloy. Let's compare the common resistivity of materials.
Material resistivity (Ω m)
(1) Silver 1.65 × 10-8
(2) Copper 1.75 × 10-8
(3) Gold 2.40 × 10-8
(4) Aluminum 2.83 × 10-8
(5 tungsten 5.48 × 10-8
(6) Iron 9.78 × 10-8
(7) Platinum 2.22 × 10-7
(8) Manganin 4.4 × 10-7
(9) Mercury 9.6 × 10-7
(10) Constantan 5.0 × 10-7
(11) Nickel alloy 1.0 × 10-6
(12) Fe Cr Al alloy 1.4 × 10-6
(13) Ferronickel 1.6 × 10-6
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