Global microwave absorber market is expected to commercially rise at a steady CAGR in the
forecast period. Technically, microwave absorbers are materials that lessen the
energy in an electromagnetic wave. Absorbers are used in an extensive range of
applications to eradicate stray or unwanted radiation that could obstruct with
a system’s operation. Absorbers can be used externally to decrease the
reflection from or transmission to specific objects and can also be used internally
to lessen oscillations caused by cavity resonance. They can also be used to
recreate a free space environment by eliminating reflections in an anechoic
chamber.
The factors that
propel the market growth includes rise in spending on defense systems. In
addition, growth in the electronic segment and ever increasing demand for
finished electronic goods will continue to boost the growth of the microwave
absorber market. On the other hand, there are also factors that hamper the
growth of the market such as taxes imposed on raw materials and finished goods
of microwave absorbents. In addition, unfavorable export & import policies
can hinder the growth of the market. The microwave absorber market research
report is classified on the basis of forms, product type, applications and
geography.
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On the basis of
forms, market is segmented as insertion loss microwave absorbers, reflectivity
microwave absorbers, magnetic microwave absorbers, dielectric microwave
absorbers and moldable microwave absorbers. Insertion loss microwave absorbers
aim to reduce the microwave signals during its journey from one point to
another. Reflectivity microwave absorbers on the other hand simple reflect the
microwave signals.
Magnetic
absorbers make use of filler with ferromagnetic properties. This provides the
absorber a high permeability and high magnetic loss. Advantages include the
ability to greatly compress 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 material is usually selected 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.
Based on
applications, the microwave absorber market research report is classified as
military & defense, automation, electronics & telecommunications,
chemicals, textiles and healthcare. Geographically, the 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 microwave absorber market research report due
to its defense sector, which is a major consumer. On the other hand, Asia
Pacific is expected to witness significant growth rates in the upcoming years
owing to the electronic component-manufacturing sector.
Some of the
global key players that fuel the growth of the 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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