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Anovel compact E shape High Impedance Surface (HIS) Electromagnetic Band-Gap (EBG) comprising Amended Minkowski Fractal Boundary (AMFB),Added Metal Strips (AMS),and metal plated via printed on a Rogers TMM 10i (εr=9.8,t=2.0 mm) substrate is presented.The first order AMFB and ABS are introduced for equivalent capacitance enhancement and miniaturization with effective space-filling characteristics.The dimension of lattice size is only 0.058λ0.The proposed structure exhibits a most compact characteristic about 35％ size reduction as compared with conventional mushroom-like HIS-EBG,and better surface-wave decoupling of around 9 dB at the operating frequency band.Details of design parameters which affect the whole performance of certain band-gap are intensively investigated.A constructed prototype is potential candidate for antenna system performance enhancement.