Cable assembly, connector and semiconductor tester

Abstract

In a cable assembly, when auxiliary ground conductor is provided so as to face the lower surface of supporting insulating member, elastically-deformed piece in an elastically deformed status comes in contact with the tip of ground terminal protruding from the lower surface of supporting insulating member.

What is claimed is: 
     
         1 . A cable assembly, the cable assembly comprising:
 a co-axial cable;   an insulating member, the insulating member being provided on a tip of the co-axial cable, and including a first plane and a second plane, the first and second planes facing mutually opposite directions along the direction in which the tip of the co-axial cable is inserted;   a signal terminal, the signal terminal being electrically connected to a signal conductor of the co-axial cable, extending in the direction in which the tip of the co-axial cable is inserted, and being provided on the first plane;   a ground terminal, the ground terminal being electrically connected to a ground conductor of the co-axial cable, extending in the direction in which the tip of the coaxial cable is inserted, being provided in a parallel manner with the signal terminal on the first plane—the tip of which is bent on the second plane side, and protruding from the second plane; and   an auxiliary ground conductor, the auxiliary ground connector extending in the direction in which the tip of the co-axial cable is inserted, being provided in a manner so as to face the second plane, and including an elastically-deformed piece bent on the insulating member formed on a tip of the auxiliary ground conductor;   wherein the elastically-deformed piece, in an elastically deformed status, comes in contact with the tip of the ground terminal protruding from the second plane, when the auxiliary ground conductor is positioned facing the second plane.   
     
     
         2 . A connector, the connector comprising:
 a main body, on which an insertion hole into which a tip of a co-axial cable is inserted;   an insulating member, the insulating member being provided on a tip of the co-axial cable, and including a first plane and a second plane, the first and second planes facing mutually opposite directions along the direction in which the tip of the co-axial cable is inserted;   a signal terminal, the signal terminal being electrically connected to a signal conductor of the co-axial cable, extending in the direction in which the tip of the co-axial cable is inserted, and being provided on the first plane;   a ground terminal, the ground terminal being electrically connected to a ground conductor of the co-axial cable, extending in the direction in which the tip of the coaxial cable is inserted, being provided in a parallel manner with the signal terminal on the first plane—the tip of which is bent on the second plane side, and protruding from the second plane; and   an auxiliary ground conductor, the auxiliary ground connector extending in the direction in which the tip of the co-axial cable is inserted, being provided in a manner so as to face the second plane, and including an elastically-deformed piece bent on the insulating member formed on a tip of the auxiliary ground conductor;   wherein the elastically-deformed piece, in an elastically deformed status, comes in contact with the tip of the ground terminal protruding from the second plane, when the auxiliary ground conductor is positioned facing the second plane.   
     
     
         3 . The connector of  claim 2 , wherein the second plane includes a primary plane in contact with the auxiliary ground conductor and a bottom concave from the primary plane, and the tip of the ground terminal protrudes from the bottom so as not to extend any further than the primary plane. 
     
     
         4 . The connector of  claim 3 , wherein an insertion hole for the tip of the ground terminal is formed on the insulating member, and the tip of the ground terminal passes through the insertion hole and protrudes from the second plane. 
     
     
         5 . The connector of  claim 4 , wherein the main body includes a convex member on the inside of the insertion hole, and the base of the auxiliary ground conductor rather than the tip thereof is positioned between the convex member and the insulating member. 
     
     
         6 . The connector of  claim 5 , wherein the tip of the auxiliary ground conductor includes a disengagement-preventing piece bent in the opposite direction from the elastically-deformed piece. 
     
     
         7 . The connector of  claim 6 , wherein the auxiliary ground conductor includes an arm in contact with the ground conductor of the co-axial cable on the base thereof rather than the tip thereof. 
     
     
         8 . The connector of  claim 2 , wherein an insertion hole for the tip of the ground terminal is formed on the insulating member, and the tip of the ground terminal passes through the insertion hole and protrudes from the second plane. 
     
     
         9 . The connector of  claim 8 , wherein the main body includes a convex member on the inside of the insertion hole, and the base of the auxiliary ground conductor rather than the tip thereof is positioned between the convex member and the insulating member. 
     
     
         10 . The connector of  claim 9 , wherein the tip of the auxiliary ground conductor includes a disengagement-preventing piece bent in the opposite direction from the elastically-deformed piece. 
     
     
         11 . The connector of  claim 2 , wherein the main body includes a convex member on the inside of the insertion hole, and the base of the auxiliary ground conductor rather than the tip thereof is positioned between the convex member and the insulating member. 
     
     
         12 . The connector of  claim 11 , wherein the tip of the auxiliary ground conductor includes a disengagement-preventing piece bent in the opposite direction from the elastically-deformed piece. 
     
     
         13 . The connector of  claim 2 , wherein the auxiliary ground conductor includes an arm in contact with the ground conductor of the co-axial cable on the base thereof rather than the tip thereof. 
     
     
         14 . The connector of  claim 3 , wherein the main body includes a convex member on the inside of the insertion hole, and the base of the auxiliary ground conductor rather than the tip thereof is positioned between the convex member and the insulating member. 
     
     
         15 . The connector of  claim 14 , wherein the tip of the auxiliary ground conductor includes a disengagement-preventing piece bent in the opposite direction from the elastically-deformed piece. 
     
     
         16 . The connector of  claim 3 , wherein the auxiliary ground conductor includes an arm in contact with the ground conductor of the co-axial cable on the base thereof rather than the tip thereof. 
     
     
         17 . The connector of  claim 4 , wherein the auxiliary ground conductor includes an arm in contact with the ground conductor of the co-axial cable on the base thereof rather than the tip thereof. 
     
     
         18 . The connector of  claim 6 , wherein the auxiliary ground conductor includes an arm in contact with the ground conductor of the co-axial cable on the base thereof rather than the tip thereof. 
     
     
         19 . A motherboard comprising the cable assembly of  claim 1 . 
     
     
         20 . A semiconductor tester comprising the cable assembly of  claim 1 .