Patent ID: 7147478

Claim:
An electric element having liquid metals for connection of two corresponding electric elements comprising: two conductors; and liquid metals with low impedance connecting to the two conductors, wherein the two conductors keep in contact with the liquid metals at a situation of relative movement, wherein one conductor is a metal chamber with one end opening; the one conductor has a receiving space; the liquid metals are received in the receiving space; and the other conductor is installed in the one end opening, the one end opening of the receiving space has a small opening; wherein the other conductor comprises a protrusion with larger size than the small opening; a contact portion extending from the protrusion; the protrusion is installed in the receiving space and is close to the small opening; and the contact portion protruding outwardly from the small opening, wherein a base is installed on the protrusion on the opposite of the contact portion; and the base is inserted into the liquid metals.