An electrical connector assembly comprises a printed circuit board and a data transmission cable. The printed circuit board has a substrate and a routing structure, the substrate has a welding region and a routing region, the routing structure comprises a plurality of bonding pads. The data transmission cable comprises several juxtaposed wires, a plastic layer and a metallic layer formed by a metal material belt, each wire has a conductor, the metallic layer has at least an aluminum foil layer and a bonding layer. The metallic layer is bonded to the outer side of the plastic layer via the bonding layer. The wires are soldered with corresponding bonding pads, the center distance between every two neighboring wires is same as the center distance between every two neighboring bonding pads.

A multi-core cable includes a plurality of coaxial cables being arranged in parallel with each other, and a synthetic resin covering member that collectively covers the plurality of coaxial cables. Each coaxial cable includes a center conductor, an insulator covering an outer periphery of the center conductor, and a metal outer conductor covering an outer periphery of the insulator. The covering member holds the plurality of coaxial cables in such a manner that the plurality of coaxial cables are aligned side by side along a direction perpendicular to a longitudinal direction of the plurality of coaxial cables. At least a part of the outer conductors of the plurality of the coaxial cables respectively contacts the covering member.

An apparatus for applying individual tapes in layers onto a substrate includes a plurality of reels, applicators, and a guide member. A first reel holds a first tape and a second reel holds a second tape. A first applicator includes a first pressure surface that receives the first tape from the first reel and presses the first tape in a direction toward the substrate to apply the first tape to the substrate. The second applicator includes a second pressure surface that receives the second tape from the second reel. The second pressure surface is aligned to dispense the second tape over a section of the first tape applied to the substrate and to press the second tape toward the substrate to apply the second tape over the first tape. The guide member is disposed between the reels and the applicators and aligns the first and second tapes during application.

A high-speed transmission line includes a first shielded layer, a first insulating layer, a conductor layer, a second insulating layer and a second shielded layer sequentially attached to each other. The conductor layer includes plural first conductors and plural first conductors interspersed with each other, and the first conductor has a round cross section and is made of a round copper wire.

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.

An electric wire conductor having both flexibility and a space-saving property. Also provided are a covered electric wire and a wiring harness containing the electric wire conductor. An electric wire conductor contains a wire strand containing a plurality of elemental wires twisted together. The electric wire conductor has a flat portion in which a cross section intersecting an axial direction of the wire strand has a flat shape. Assuming a conductor cross-sectional area of the flat portion as s mm.sup.2 and a vacancy ratio defined as a ratio of vacancies not occupied by the elemental wires in a cross section of the flat portion as v %, the conductor cross-sectional area and the vacancy ratio satisfies v>0.29 s+2.0. The covered electric wire contains electric wire conductor and an insulator covering the conductor. The wiring harness contains the covered electric wire.

A high-speed cable drain wire system includes a cable shield housing conductor(s), an insulator subsystem that surrounds the conductor(s), and drain wire subsystem(s) that each have at least one drain wire strand, and with each drain wire strand including a plurality of drain wires. The plurality of drain wires in each drain wire strand may be positioned in a side-by-side orientation or a twisted orientation, and when the at least one drain wire strand included a the plurality of drain wire strands, the plurality of drain wire strands in each drain wire subsystem may be positioned in a braided orientation or a twisted orientation. In response to routing the cable, a bend may be produced in the drain wire subsystem(s), and the plurality of drain wires in each drain wire strand are configured to experience a stress that is less than a stress threshold in response to the bend.

A guarded coaxial cable assembly including at least a pair of conductors, one or more rails, and a jacket covering these parts such as a first rail extending alongside two nearby conductors, the rail and the conductors embedded in an outer electrically insulating jacket, the outer jacket having a pair of generally opposed bearing surfaces for bearing transverse loads, the rail operative to reduce outer jacket deformations resulting from transverse loads applied to the bearing surfaces; and, the orientation of the rail and the conductors within the outer jacket operative to limit conductor or conductor jacket deformations resulting from transverse loads applied to the bearing surfaces.

A method of forming an electrical cable assembly includes providing a multiconductor flat cable comprising wires arranged in a coplanar fashion with each other and encased within a planar dielectric structure, cutting a slot in the planar dielectric structure intermediate the wires, thereby forming wing features in the dielectric structure extending from the wires, removing portions of the dielectric structure from ends of the wires, wherein portions of wing features remain, attaching the exposed wires to terminals, wherein the terminals define prongs, and attaching the portions of the wing features to by inserting the prongs within holes defined in the portions of the wing features, thereby retaining the wires to the terminals.

An electrical cable having a plurality of conductors including a grounding conductor and at least one power-carrying conductor. The plurality of conductors disposed approximately in parallel within an outer jacket such that the electrical cable has a substantially elongated horizontal cross-section.