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Magnetic absorbers make use of a filler with ferromagnetic properties . This provides the absorber a high permeability and high magnetic loss . Advantages include the ability to greatly compre ss the wavelength owing to the high permeability aiding quarter wavelength resonant absorbers at a thickness that are a fraction of the free space wavelength . Moreover , magnetic absorbers are best for cavity resonance damping since the magnetic field is a maximum on the conductive surface where the absorber is placed .
Disadvantages of magnetic absorber include its weight and high cost . Magnetic absorbers come in numerous elastomer forms comprising silicone , urethane , nitrile and neoprene . The matrix materia l is usuallyselected for its physical properties . Magnetic absorbers are also available in a rigid epoxy form . These absorbers are easy to machine and are mostly used in load applications .
Dielectric absorbers have no magnetic properties . The loss mechanism is purely dielectric . The loss can rise from a range of sources within the dielectric . Dielectric absorbers are typically made in a low cost foam form but can also be used with elastomers . Advantages are low cost and weight . Disadvantages are higher conductivity preventing usage in contact with electronic equipment and their dearth of performance in most cavity resonance applications owing to their lack of magnetic absorption .
Both magnetic and dielectric absorbers are available in moldable forms . This could be a two-part liquid which cures at room or higher temperatures or could be in the form of injection moldable pellets . On the basis of applications , the global Microwave Absorber market research report is classified as military & defence , automation , electronics & telecommunications , chemicals , textiles and healthcare .
On the basis of geography , the global Microwave Absorber market research report is classified as North America , Europe , Asia Pacific and Rest of the World . In case of geographical region , North America is projected to account a major share of the global Microwave Absorber market research report due to its defence sector which is a major consumer .
On the other hand , Asia Pacific is expected to witness significant growth rates in the upcomin g years owing to the electronic component manufacturing sector . Some of the key players that fuel the growth of the global Microwave Absorber market research report include Cuming Microwave Corporation , Laird , Western Rubber & Supply , Inc ., ARC Technologies , DMAS , MAST Technologies , Murata , Parker Chomerics , COMTEST , and Kemtron .
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