Mercury-wetted reed contact relay

摘要

A reed contact relay comprising within a capsule, reeds the coacting tips of which are provided with spots made of a material which can not be wetted with mercury. Two tubes in magnetic material are aligned in spaced apart relation around the reeds such that an axial gap is formed therebetween at the lenghtwise level of the coacting tips of the reeds. The inner wall of these tubes and the surface of the reeds, except the surface of the spots, are wetted with mercury.