An aluminum wire includes a strand main body, an inner layer, and an outer layer. The strand main body includes aluminum wire or an aluminum alloy wire. The inner layer includes Zn, a Zn alloy, Ni, or an Ni alloy and covers the outer circumferential surface of the strand main body. The outer layer includes Sn or an Sn alloy and covers the outer circumferential surface of the inner layer. In the aluminum wire, the pinhole ratio in the outer layer is no more than 4% and/or the thickness of the inner layer is at least 0.3 μm.

One cable shielding has a first metal shielding braided along a length of a cable, a CNT paper shielding surrounding the first metal shielding along the length of the cable, and a second metal shielding braided about the CNT paper shielding along the length of the cable.

There are provided a duplex twisted shielded cable and a wire harness, the duplex twisted shielded cable including: two insulated wires that are twisted together, each having a conductor and an insulator covering the conductor; a film wound spirally on the two insulated wires such that parts of the film overlap each other; a metal foil shield wound spirally on the film such that parts of the metal foil shield overlap each other; a metal braid provided on an outer periphery of the metal foil shield; and a sheath provided on an outer periphery of the metal braid. The film and the metal foil shield are provided as a separate member.

There are provided a duplex twisted shielded cable and wire harness, the duplex twisted shielded cable including; two insulated wires that are twisted together, each having a conductor and an insulator covering the conductor; a metal foil shield provided around the two insulated wires; a metal braid provided on an outer periphery of the metal foil shield; and a sheath provided on an outer periphery of the metal braid. The metal foil shield includes a PET film layer and a metal layer. The PET film layer has a thickness of 20 m or less, an ellipticity of the PET film layer is set to 0.75 or more and 0.90 or less, and the metal foil shield is longitudinally attached to the two insulated wires.

A wire harness, including: a plurality of wire groups that each include a plurality of wires; a plurality of tubular first flexible shields that each encase a different one wire group of the plurality of wire groups; a tube that is made of a metal and into which drawn-out portions of the wires, which are drawn out from the first flexible shields, are inserted; and a tubular second flexible shield that bunches together and encases the drawn-out portions of the wires at positions thereof that are outside of the tube, and is electrically connected to the first flexible shields and the tube.

Carbon nanotube cabling is presented herein. One cable comprises a first conductive core comprising a strand of carbon nanotubes electroplated with silver and copper, a first insulator surrounding the first core along a length of the cable, a second conductive core comprising another strand of carbon nanotubes electroplated with silver and copper, a second insulator surrounding the second core along the length of the cable, a shielding surrounding the two insulators along the length of the cable, and an outer jacket configured along the length of the cable. The shielding may be configured from electroplated carbon nanotubes that have been braided, electroplated carbon nanotube paper, or a combination thereof.

A braided shield includes at least one electrical wire; and a plurality of shield members that covers an outer circumferential surface of the electrical wire and is formed by interweaving into a cylindrical shape. The shield members each include a strip-shaped non-conductor film and a strip-shaped conductor member that is shorter than a width of the non-conductor film in a width direction. In a planar view of the shield member, the conductor member is stacked on the non-conductor film along the longitudinal direction thereof such that the non-conductor area and the conductor area are formed separately along the width direction of the non-conductor film.

Provided is an aluminum-based strand capable of suppressing corrosion caused by salt water, and a twisted wire conductor, a braided wire, and a wire harness in which the aluminum-based strand is used. The aluminum-based strand includes a strand main body portion, an inner layer, and an outer layer. The strand main body portion is constituted by an aluminum wire or an aluminum alloy wire. The inner layer is constituted by Zn or a Zn alloy, or Ni or a Ni alloy, and covers an outer circumferential surface of the strand main body portion. The outer layer is constituted by Sn or a Sn alloy, and covers an outer circumferential surface of the inner layer. In the aluminum-based strand, the outer layer has a pinhole ratio of 4% or less, and/or the inner layer has a thickness of 0.3 m or more.

The present invention relates to a coaxial cable, and particularly to a small-diameter coaxial cable for use in frequency bands of 100 MHz or more. The present invention addresses the problem of providing a coaxial cable which has excellent flexibility, a small outer diameter, and excellent shielding characteristics. The problem is solved by a coaxial cable having an outer conductor which is formed by mixing and laterally winding strands in the same direction, the strands having an outer diameter difference of not less than 10% between a large-diameter strand having a maximum outer diameter and a small-diameter strand having a minimum outer diameter.

A cable includes a plurality of wires, an wrapping tape covering the outside of the wires, a shielding layer coated on the outside of the wrapping tape and an insulating cover coated on the outside of the shielding layer, the shielding layer includes a plurality of conductors, wherein the shielding layer includes fibers mixed with the conductors.