A line-junction dry electrode, comprising a metal installation unit and which extends at least one metal contact portion, which having a plurality of contact portions arranged at intervals of elastic metal comb branched to form a comb-shaped electrodes, to push the hair of subject and contacts the skin of subject.一種線接面式乾電極,其包括一導電安裝部以及其延伸有至少一導電接觸部,導電接觸部具有複數個間隔排列的彈性導電梳支,據以形成梳狀電極,用以撥開一受測者之毛髮並接觸皮膚。10‧‧‧導電安裝部12‧‧‧導電接觸部14‧‧‧彈性導電梳支141‧‧‧第一弧面142‧‧‧第一延伸面143‧‧‧第二弧面144‧‧‧第二延伸面145‧‧‧第三弧面146‧‧‧第三延伸面147‧‧‧第四弧面148‧‧‧第四延伸面16‧‧‧孔洞
