PROBLEM TO BE SOLVED: To provide a sterilization filter that is the sterilization filter in which a porous ceramic sinter body is made to support an inorganic antibacterial agent, even if being a simple structure, fluid can be performed by sterilization by high efficiency.SOLUTION: A sterilization filter 1 is that two or more monolayer filters 10 that include: a columnar filter base substance 11 in which a porous ceramic sinter body is made to support an inorganic antibacterial agent a side peripheral surface resin layer 12a in which a side peripheral surface 11a of a filter base substance is coated by a resin and a pair of edge face peripheral part resin layers 12b in which respective peripheral parts of both edge faces 11b of the filter base substance are coated by a resin are laminated, and in the respective monolayer filters, the side peripheral surface resin layer and the pair of edge face peripheral part resin layers are performed by integral formation by a heat shrinkability resin tube 12, and an air gap S having a distance that is two times of a thickness of the edge face peripheral part resin layer is formed between the neighboring filter base substances.COPYRIGHT: (C)2014,JPO&INPIT【課題】多孔質セラミックス焼結体に無機系抗菌剤を担持させた除菌フィルターであって、簡易な構成でありながら、高い効率で液体を除菌できる除菌フィルターを提供する。【解決手段】除菌フィルター1を、多孔質セラミックス焼結体に無機系抗菌剤を担持させた柱状のフィルター基体11、フィルター基体の側周面11aが樹脂で被覆された側周面樹脂層12a、及びフィルター基体の両端面11bの周縁部がそれぞれ樹脂で被覆された一対の端面周縁部樹脂層12bを具備する単層フィルター10が複数積重されており、単層フィルターのそれぞれにおいて、側周面樹脂層及び一対の端面周縁部樹脂層は、熱収縮性樹脂チューブ12によって一体形成されていると共に、隣接するフィルター基体の間に、端面周縁部樹脂層の厚さの2倍の距離の空隙Sが形成されている構成とする。【選択図】図2
