PROBLEM TO BE SOLVED: To provide a biological sensor capable of sealing clearances.SOLUTION: The biological sensor includes: a case having an opening part a circuit substrate placed in the case an electrode larger than the diameter of the opening part and having a first electrode part connected to the circuit substrate and a second electrode part integrally connected to the first electrode part and projecting to the outside from the opening part and a sealing material intervening between the surface of the first electrode part at the side of the second electrode and the surface of the case facing the surface of the first electrode and between the second electrode part and the surface of the opening part facing the second electrode part.COPYRIGHT: (C)2015,JPO&INPIT【課題】隙間を封止ことが可能な生体センサを提供すること。【解決手段】実施形態の生体センサでは、開口部を有する筐体と、前記筐体内に配置される回路基板と、前記開口部の径より大きく、前記回路基板と接続する第1電極部と、前記第1電極部と一体的に連続し前記開口部から外部に突出する第2電極部と、を有する電極と、前記第2電極部側の前記第1電極部の面とこれに対面する前記筐体面との間、及び、前記第2電極部と前記第2電極部に対面する前記開口部の面との間に介在されるシーリング材と、を備えることを特徴とする。【選択図】図1
