This invention is a coaxial cable and a signal transmission assembly thereof. The coaxial cable includes a conductive cored wire, an insulating tape and a metal foil Mylar film a conductive layer and an outer jacket. The conductive cored wire includes an outer peripheral surface. The insulating tape is wrapped onto the outer peripheral surface of the conductive cored wire in a spiral winding manner or a longitudinal wrapping manner. The metal foil Mylar film is wrapped onto the insulating tape in a spiral winding manner, a longitudinal wrapping manner, and the conductive layer is wrapped onto the metal foil Mylar film. The jacket is wrapped onto the conductive layer. A distance between the conductive core wire and the metal foil Mylar film can be adjust by control the number of wrapping turns of the insulating tape to improve the yield rate of the coaxial cable manufacturing.

A multi-directional radiation leaky coaxial cable is disclosed, including an inner conductor, an insulating layer, an outer conductor and a sheath which are sequentially and coaxially nested from inside to outside. The outer conductor is provided with at least two rows of slotted hole groups, the at least two rows of slotted hole groups are distributed at different angles in a circumferential direction of the outer conductor, each row of slotted hole group includes a plurality of slotted hole arrays which are periodically arranged along an axial direction of the outer conductor, each slotted hole array includes a plurality of slotted holes, pitches of the slotted hole groups are the same, and a periodic arrangement difference of two adjacent rows of slotted hole groups in the circumferential direction is half a pitch, so that a phase difference of respective excitation electric fields is 180°. According to the leaky coaxial cable, multiple rows of slotted hole groups are arranged, a phase difference of two adjacent rows of slotted hole groups in the circumferential direction is half a pitch, and the phase difference of the excitation electric fields is 180°, so that source separation can be achieved in space, and excitation sources are independent and do not interfere with each other, thus increasing a number of radiation directions of all frequency points in an operating frequency band of the leaky coaxial cable, and making the leaky coaxial cable have a higher application scene applicability.

A coaxial electrical cable assembly includes a central conductor disposed within a shield conductor of the coaxial cable and a shield terminal having a tubular portion. The central conductor of the coaxial cable is disposed within the tubular portion. The tubular portion is disposed within the shield conductor of the coaxial cable. The coaxial electrical cable assembly also includes a first outer ferrule crimped that is around the shield conductor of the coaxial cable and forms a first seam. The coaxial electrical cable assembly further includes a second outer ferrule that is crimped around the first outer ferrule and forms a second seam. The first seam and the second seam are radially offset from one another.

A coaxial cable is composed of a conductor, an insulator around the conductor, a shield layer around the insulator, and a sheath around the shield layer. The shield layer includes a lateral winding shielding portion with metal wires helically wrapped around the insulator, and a batch plating portion covering the lateral winding shielding portion. The shield layer includes a joining portion where adjacent metal wires are joined with each other with the batch plating portion at a gap between the adjacent metal wires, and inner peripheral portions where the metal wires are not being covered with the batch plating portion and plating layers are exposed. The joining portion is provided between adjacent inner peripheral portions. When an elemental analysis is performed in any analysis region having an area of 0.015 mm.sup.2 or more and 0.300 mm.sup.2 or less in an insulator-side surface of the shield layer which is stripped from the insulator, an area of a chlorine present region where chlorine is present in the analysis region is 5% or less of an area of the analysis region.

A data transmission cable includes a plurality of juxtaposed wires, a plastic layer enclosing on the wires integrally and a metallic shielding layer arranged on an outer side of the plastic layer. The metallic shielding layer has a length matching the data transmission cable and a width greater than the circumferential extension length of the data transmission cable, two ends of the metallic shielding layer in a width direction are compacted and bonded to each other on one side of the data transmission cable in the width direction, to form a shielding portion covering the plastic layer and a compacting portion connected to one side of the shielding portion.

A cable includes a cable core including one or more electric wires, a shield layer covering around the cable core, and a sheath covering around the shield layer. The shield layer is composed of a braided shield including a plurality of first metal wires composed of aluminum or aluminum alloy and a plurality of second metal wires composed of copper or copper alloy. The plurality of first metal wires and the plurality of second metal wires are cross-braided.

A coaxial cable is composed of a conductor, an insulator around the conductor, a shield layer around the insulator, and a sheath around the shield layer. The shield layer includes a lateral winding shielding portion with metal wires helically wrapped around the insulator, and a batch plating portion covering the lateral winding shielding portion. The shield layer includes a joining portion where adjacent metal wires are joined with each other with the batch plating portion at a gap between the adjacent metal wires, and inner peripheral portions where the metal wires are not being covered with the batch plating portion and plating layers are exposed. The joining portion is provided between adjacent inner peripheral portions. When an elemental analysis is performed in any analysis region having an area of 0.015 mm.sup.2 or more and 0.300 mm.sup.2 or less in an insulator-side surface of the shield layer which is stripped from the insulator, an area of a chlorine present region where chlorine is present in the analysis region is 5% or less of an area of the analysis region.

A signal cable for an AC-coupled link, may include: a signal conductor; a dielectric surrounding the signal conductor; and a ground sheath having a conductive layer disposed at least partially around the conductor such that the dielectric is positioned between the ground sheath and the signal conductor, wherein the conductive layer comprises a first portion extending in a first direction along the cable and a second portion extending in a second direction, opposite the first direction, along the cable and further wherein the first and second portions of the conductive layer are separated from each other by a gap, the gap being dimensioned to provide a determined amount of capacitance in series in the ground sheath. The gap may form a complete separation between the first and second portions of the conductive layer.

A coaxial cable is composed of a conductor, an insulator covering a periphery of the conductor, a shield layer covering a periphery of the insulator, and a sheath covering a periphery of the shield layer. The shield layer is configured to include a lateral winding shielding portion with a plurality of metal wires being helically wrapped around the periphery of the insulator, and a batch plating portion made of a hot-dip plating covering respective peripheries of the lateral winding shielding portion. The shield layer includes a joining portion where the metal wires adjacent to each other in a circumferential direction are joined with each other with the batch plating portion at a spaced portion where the adjacent metal wires are spaced apart from each other, and the non-joining portion where the metal wires adjacent to each other in the circumferential direction are not joined with each other with the batch plating portion at the spaced portion. A length of the non-joining portion along a cable longitudinal direction is shorter than a winding pitch of the lateral winding shielding portion.

A data transmission cable includes a plurality of juxtaposed wires, a plastic layer enclosing on the wires integrally and a metallic shielding layer arranged on an outer side of the plastic layer. The metallic shielding layer has a length matching the data transmission cable and a width greater than the circumferential extension length of the data transmission cable, two ends of the metallic shielding layer in a width direction are compacted and bonded to each other on one side of the data transmission cable in the width direction, to form a shielding portion covering the plastic layer and a compacting portion connected to one side of the shielding portion.