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EBG structure

Electromagnetic Band-Gap structure

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Electromagnetic band-gap (EBG) structure is a structure that creates a stopband to block electromagnetic waves of certain frequency bands by forming a fine, periodic pattern of small metal patches on dielectric substrates. EBG refers to such a stopband as well as to substances (medium to transmit electromagnetic waves) that have such a structure. Applications of the EBG structure include components of electronic devices to suppress electromagnetic noise.

On the other hand, the EBG structure reflects little electromagnetic waves of the frequency bands it can detect, and receives them at a high sensitivity. Moreover, its resolution (the ability to measure and discriminate electromagnetic waves) can be enhanced by placing the metal patches at a higher density. Due to these characteristics, the EBG structure is also utilized for sensors to measure electromagnetic radiation.

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