To reduce artifact that arises with B1 inhomogeneity while reducing artifact generated by a dielectric pad.SOLUTION: A dielectric pad includes: a first substance having an acoustic impedance that is substantially same as the acoustic impedance of a biological tissue； and a second substance having at least one of T1-reducing effect and T2-reducing effect.SELECTED DRAWING: Figure 3【課題】誘電パッドにより生じるアーチファクトを低減させつつＢ１不均一性に伴うアーチファクトを減少させること。【解決手段】実施形態に係る誘電パッドは、生体組織の音響インピーダンスと略同一の音響インピーダンスを有する第１の物質と、Ｔ１短縮効果及びＴ２短縮効果のうち少なくとも一方を有する第２の物質とを含む。【選択図】図３
