A method for producing an electrical contact assembly includes. Providing a contact carrier of a first conductive material, the contact carrier having at least one depression or an aperture. Furthermore, a contact material support of a second conductive material is provided. This contact material support is pressed in the depression or the aperture while at the same time applying an electrical welding voltage to the contact material support and the contact carrier, a pressing-force/welding-current/time profile being chosen such that the contact carrier and the contact material support form a connection including interlocking and/or frictional engagement and a connection including material bonding in one working step.

The present invention relates to a high temperature-superconducting wire having a superconducting layer laminated thereon and a method of manufacturing the same. The method includes: preparing a pair of superconducting wires each of which includes a metal substrate, a buffer layer, a superconducting layer, and a protective layer; laminating the pair of superconducting wires to allow respective protective layers to face each other; performing thermal treatment to the laminated superconducting wires to join the protective layers together; separating the metal substrate and the buffer layer from the superconducting layer on one side; and forming a protective layer on an upper part of the superconducting layer having a surface exposed. The present invention provides a high temperature-superconducting wire which includes a plurality of biaxially textured superconducting layers laminated thereby improving electro-conductivity, wherein the plurality of superconducting layers are separated from each other thereby reducing a loss of alternating current.

A method for manufacturing an electrical harness comprising a reference member and a secondary member and at least one electric wire, a protective sheath and at least two shrink sleeves comprising a reference shrink sleeve and a secondary shrink sleeve. According to the disclosure, the method comprises at least the following steps: assembling of the electric wire, the protective sheath, the two shrink sleeves, the reference member and the secondary member, the two shrink sleeves being arranged in a non-contracted state; in a reference portion of the electrical harness, reference contraction of the reference shrink sleeve; in a secondary portion of the electrical harness, angular positioning of the secondary member according to a relative angular orientation; holding of the secondary member in position; and secondary contraction of the secondary shrink sleeve.

A glass powder for N-type silver-aluminum paste comprises a lead-containing compound, a silicon-containing compound, a thallium-containing compound and a zinc-containing compound, wherein the compounding of the thallium-containing compound and the lead-containing compound confers good silver melting capability on the glass powder, and the prepared silver-aluminum paste has good wettability to the surface of a solar cell silicon wafer; the silicon-containing compound provides a more complete network structure for the glass powder; and the zinc-containing compound reduces the softening temperature of the glass powder and further reduces the sintering temperature of the prepared N-type silver-aluminum paste; further comprises a compound containing a first main group metal element, and the compound can react with a zinc-containing compound to further reduce the softening temperature of the glass powder, further reduce the sintering temperature of the prepared N-type silver-aluminum paste and improve the preparation yield of the N-type solar cell.

A cable, in particular a power and/or telecommunication cable, has at least one elongated electrically conductive element, and at least one fire-resistant layer surrounding said elongated electrically conductive element. The fire-resistant layer is a ceramic layer in direct physical contact with the elongated electrically conductive element.

A power cable including: a conductor, an insulation system including an inner semiconducting layer arranged around the conductor, an insulation layer arranged around the inner semiconducting layer, and an outer semiconducting layer arranged around the insulation layer, an elastic mechanical support layer arranged around the outer semiconducting layer, a metallic water blocking layer having a longitudinal weld seam, the metallic water blocking layer being arranged around the mechanical support layer, wherein the mechanical support layer is permanently thermally expanded radially as a result of a heat treatment process, thereby mechanically supporting the metallic water blocking layer.

An opening and closing drive mechanism allows the ring-shaped claw portions on the outer peripheries of the opening rollers to press against the base end portion of the exposed braid via the opening and closing blocks, in this state, the rotation body is rotated by the rotation drive mechanism, and the opening rollers attached to the opening and closing blocks revolve around the outer periphery of the braid, so that the tip end side of the exposed braid is opened outward in a radial direction.

A method comprises disposing one or more continuous fibers, wherein the one or more continuous fibers are at least partially embedded in high temperature superconducting component powders. The fiber of the one or more continuous fibers comprises a curved fiber that comprises a hoop or a spiral. The method further comprises heating the high temperature superconducting component powders and the one or more continuous fibers and cooling the high temperature superconducting component powders and the one or more continuous fibers. The cooling generates a high temperature superconducting material.

A wire comprising a silver-based wire core having a double-layer coating comprised of an inner layer of palladium or nickel and an adjacent outer layer of gold, wherein the wire exhibits at least one of the intrinsic properties A1) to A3): A1) the average grain size of the crystal grains in the wire core, measured in longitudinal direction, is in the range of from 0.7 to 1.1 μm; A2) the fraction of twin boundaries, measured in longitudinal direction of the wire, is in the range of from 5 to 40%; and, A3) 20 to 70% of the crystal grains of the wire core are oriented in <100> direction, and 3 to 40% of the crystal grains of the wire core are oriented in <111> direction, each % with respect to the total number of crystal grains with orientation parallel to the drawing direction of the wire.

The invention relates to a method for producing a wire, having at least the following steps: (i) providing a wire precursor; (ii) pressing depressions on the wire precursor and optionally reshaping the wire precursor in the process, and (iii) annealing the wire precursor provided with depressions in order to form the wire; wherein the wire has a content of at least 95 wt. % of copper based on the total weight of the wire. The invention additionally relates to a wire which can be obtained according to the aforementioned method and to the use of a roller in order to produce the wire and/or in order to set the roughness at at least one location of the wire.