Abstract: Provided are a soft dilute copper alloy material, a soft dilute copper alloy wire, a soft dilute copper alloy sheet, a soft dilute copper alloy stranded wire, and a cable, a coaxial cable and a composite cable using same. The disclosed soft-3dilute-copper-alloy material contains: copper; at least one additional element selected from the group consisting of Ti, Mg, Zr, Nb, Ca, V, Ni, Mn, and Cr; and inevitable impurities as the remainder. The soft dilute copper alloy material is characterized in that the average grain size is at most 20 ?m in the surface layer up to a depth of 50 ?m from the surface.

Abstract: A dilute copper alloy material used in an environment with presence of hydrogen includes pure copper including an inevitable impurity, more than 2 mass ppm of oxygen, and an additive element selected from the group consisting of Mg, Zr, Nb, Ca, V, Fe, Al, Si, Ni, Mn, Ti and Cr, the additive element being capable of forming an oxide in combination with the oxygen. A method of manufacturing a dilute copper alloy member excellent in characteristics of resistance to hydrogen embrittlement includes melting the dilute copper alloy material by SCR continuous casting and rolling at a copper melting temperature of not less than 1100° C. and not more than 1320° C. to make molten metal, forming a cast bar from the molten metal, and forming the dilute copper alloy member by hot-rolling the cast bar.

Abstract: A weldment includes metal materials that are welded to each other. At least one of the metal materials includes pure copper including an inevitable impurity, more than 2 mass ppm of oxygen, and an additive element selected from the group consisting of Mg, Zr, Nb, Fe, Si, Al, Ca, V, Ni, Mn, Ti and Cr. A method of manufacturing a weldment includes melting a dilute copper alloy material by SCR continuous casting and rolling at a molten copper temperature of not less than 1100° C. and not more than 1320° C. to make a molten metal, forming a cast bar from the molten metal, forming a dilute copper alloy member by hot-rolling the cast bar, and welding the dilute copper alloy member to a metal material.

Abstract: An audio/video cable includes a plurality of parallel arranged insulated wires or twisted pair insulated wires each including a copper conductor and an insulation layer formed on a periphery thereof. The copper conductor includes a soft dilute copper alloy material containing pure copper, an additive element and an inevitable impurity as a balance. The soft dilute copper alloy material includes a recrystallized structure having a grain size distribution such that crystal grains in a surface layer are smaller than internal crystal grains. The surface layer includes a crystal structure such that an average crystal grain size from a surface of the surface layer up to a depth of 50 ?m toward inside of the soft dilute copper alloy material is not more than 20 ?m.

Abstract: The present invention provides a flexible flat cable having high conductivity and high bending durability, and a method for manufacturing the same. The present invention is a flexible flat cable comprising conductors and insulating films applied over the conductors, wherein the conductor is comprised of at least one additive element selected from the group consisting of magnesium (Mg), zirconium (Zr), niobium (Nb), calcium (Ca), vanadium (V), nickel (Ni), manganese (Mn), titanium (Ti), and chromium (Cr); 2 mass-% or more of oxygen; and the balance being inevitable impurity and copper, wherein the conductor has such a recrystallized texture that the size of crystal grains in the inner area of the conductor is large and that of in the surface area thereof is smaller than that of the inner area, wherein both sides of the conductor are sandwiched between insulating films.

Abstract: An electric wire with a terminal including a conductor, and the terminal connected to an end portion of the conductor. The terminal includes a first connecting portion connected to an electrical equipment and a second connecting portion connected to the conductor. The second connecting portion includes a first connection surface and a second connection surface opposite to the first connection surface. The conductor includes a first conductor and a second conductor that are connected to the first connection surface and the second connection surface, respectively, by ultrasonic bonding. A total cross-sectional area of the first conductor and the second conductor is not less than 20 mm2.

Abstract: A wiring material is provided by electrically connecting a connecting terminal with two single line conductors arranged in parallel. The connecting terminal is provided with a tube-shaped section for storing two single line conductors, the two single line conductors are inserted into the tube-shaped section, resistance welding is performed by carrying electricity from the external of the tube-shaped section in a status where the tube-shaped section and the single line conductors are mutually brought into contact, and the connecting terminal is electrically connected with the two single line conductors.

Abstract: A wiring material is provided by electrically connecting a connecting terminal with two single line conductors arranged in parallel. The connecting terminal is provided with a tube-shaped section for storing two single line conductors, the two single line conductors are inserted into the tube-shaped section, resistance welding is performed by carrying electricity from the external of the tube-shaped section in a status where the tube-shaped section and the single line conductors are mutually brought into contact, and the connecting terminal is electrically connected with the two single line conductors.

Abstract: A dilute copper alloy material includes, based on a total mass of the dilute copper alloy material, 2 to 12 mass ppm of sulfur, 2 to 30 mass ppm of oxygen, 4 to 55 mass ppm of titanium, and a balance consisting of pure copper and an inevitable impurity. A part of the sulfur and the titanium forms a compound or an aggregate of TiO, TiO2, TiS or Ti—O—S, and an other part of the sulfur and the titanium forms a solid solution. TiO, TiO2, TiS and Ti—O—S distributed in a crystal grain of the dilute copper alloy material are not more than 200 nm, not more than 1000 nm, not more than 200 nm and not more than 300 nm, respectively, in particle size thereof, and not less than 90% of particles distributed in a crystal grain of the dilute copper alloy material are not more than 500 nm or less in particle size.

Abstract: A method of making a copper wire rod with low semi-softening temperature includes melting a raw material copper to have a copper melt, adjusting concentrations of oxygen and sulfur included in the copper melt to be not more than 20 ppm and not more than 6 ppm, respectively, continuously casting the adjusted copper melt at temperature not higher than 1120° C. to have a cast bar, and hot-rolling the cast bar in a temperature range of 850° C. to 550° C.

Abstract: A male terminal 10 has a wire connecting portion 13 at one end to be connected to an electric wire, and an inserting contact portion 12 at another end to be inserted into a female terminal 30. A plate member of the inserting contact portion 12 is bent to have a U-shape cross section. The female terminal 30 has a terminal energizing portion 31 composed of a high conductivity material having a frame structure for accommodating the male terminal 10, a terminal box 32 composed of a material having a strength higher than that of the high conductivity material of the terminal energizing portion 31 for covering the terminal energizing portion 31, and a spring 33 located within the terminal energizing portion 31 for fixing the male terminal 10. The spring 33 is formed integrally with the terminal box 32.

Abstract: A male terminal 10 has a wire connecting portion 13 at one end to be connected to an electric wire, and an inserting contact portion 12 at another end to be inserted into a female terminal 30. A plate member of the inserting contact portion 12 is bent to have a U-shape cross section. The female terminal 30 has a terminal energizing portion 31 composed of a high conductivity material having a frame structure for accommodating the male terminal 10, a terminal box 32 composed of a material having a strength higher than that of the high conductivity material of the terminal energizing portion 31 for covering the terminal energizing portion 31, and a spring 33 located within the terminal energizing portion 31 for fixing the male terminal 10. The spring 33 is formed integrally with the terminal box 32.

Abstract: A male terminal 10 has a wire connecting portion 13 at one end to be connected to an electric wire, and an inserting contact portion 12 at another end to be inserted into a female terminal 30. A plate member of the inserting contact portion 12 is bent to have a U-shape cross section. The female terminal 30 has a terminal energizing portion 31 composed of a high conductivity material having a frame structure for accommodating the male terminal 10, a terminal box 32 composed of a material having a strength higher than that of the high conductivity material of the terminal energizing portion 31 for covering the terminal energizing portion 31, and a spring 33 located within the terminal energizing portion 31 for fixing the male terminal 10. The spring 33 is formed integrally with the terminal box 32.

Abstract: A wiring material is provided by electrically connecting a connecting terminal with two single line conductors arranged in parallel. The connecting terminal is provided with a tube-shaped section for storing two single line conductors, the two single line conductors are inserted into the tube-shaped section, resistance welding is performed by carrying electricity from the external of the tube-shaped section in a status where the tube-shaped section and the single line conductors are mutually brought into contact, and the connecting terminal is electrically connected with the two single line conductors.

Abstract: A shield wire has a wire main body that has a conductor and an insulation covering the conductor. The conductor has a single wire or a stranded wire. A shield member is disposed on an outer circumference of the wire main body. The shield member has a tubular body having an inner sleeve, a braided shield and an outer sleeve, and a metal pipe is disposed on the outer circumference of the wire main body. The tubular body is electrically connected to the metal pipe at an end thereof. The shield wire further has a first connector member with a flange, wherein the first connector member is electrically connected to the tubular body at an other end of the tubular body where the tubular body is not connected to the metal pipe.

Abstract: A male terminal 10 has a wire connecting portion 13 at one end to be connected to an electric wire, and an inserting contact portion 12 at another end to be inserted into a female terminal 30. A plate member of the inserting contact portion 12 is bent to have a U-shape cross section. The female terminal 30 has a terminal energizing portion 31 composed of a high conductivity material having a frame structure for accommodating the male terminal 10, a terminal box 32 composed of a material having a strength higher than that of the high conductivity material of the terminal energizing portion 31 for covering the terminal energizing portion 31, and a spring 33 located within the terminal energizing portion 31 for fixing the male terminal 10. The spring 33 is formed integrally with the terminal box 32.

Abstract: A shield wire has: a wire main body that has a conductor and an insulation covering the conductor, the conductor having a single wire or a stranded wire; and a shield member that is disposed on an outer circumference of the wire main body. The shield member has a tubular body having an inner sleeve, an braided shield and an outer sleeve, and a metal pipe is disposed on the outer circumference of the wire main body. The tubular body is electrically connected to the metal pipe at an end thereof. The shield wire further has a first connector member with a flange, wherein the first connector member is electrically connected to the tubular body at an other end of the tubular body where the tubular body is not connected to the metal pipe.