Copper-containing particles each include: a core particle containing copper; and an organic substance on at least a part of the surface of the core particle, in which a proportion of copper-containing particles having a major-axis length of 50 nm or less is 55% by number or less with respect to the total number of the copper-containing particles.

According to this invention, an oriented copper plate which has a highly developed cube texture and has strength and breaking elongation greater than those of a conventional material having a cube texture, a copper-clad laminate, a flexible circuit board that is excellent in terms of folding flexibility, and an electronic device are provided, and a process for producing the oriented copper plate is established. This invention relates: an oriented copper plate, which contains 0.03% by mass to 1.0% by mass of Cr, the remainder of which is composed of copper and inevitable impurities, wherein the copper plate has a <100> main orientation so that the area percentage of a <100> preferred orientation region is not less than 60.0%, the region satisfying a condition that allows each of a thickness direction of the copper plate and a specific in-plane direction of the copper plate to have an orientation difference of not more than 15 with respect to a <100> basic copper crystal axis of unit lattice of copper, and wherein Cr precipitates having equivalent circle diameters of 4 nm to 52 nm are present at 300 precipitates/m.sup.3 to 12000 precipitates/m.sup.3; a copper-clad laminate and a flexible circuit board using the copper plate; and an electronic devices equipped with the flexible circuit board.

Systems and methods of fabricating electrodes, including thin metallic films, include depositing a first metallic layer on a substrate and passivating the deposited layer. The processes of deposition and passivation may be done sequentially. In some embodiments, a plurality of substrates may be coated with a metallic layer and further processed at a later time, including passivation and disposal of additional layers as discussed herein.

A method for producing an insulated electric wire comprises a first step of processing a copper alloy containing a tin and inevitable impurities into a fine wire having a diameter of 0.21 mm0.008 mm, the tin being 0.30 wt % or more and 0.39 wt % or less, a second step of annealing the fine wire obtained in the first step so as to refine the fine wire to have an extension coefficient of 10% or more and 25% or less and a tensile strength of 300 MPa or more and 400 MPa or less, and a third step of twisting the seven fine wires having undergone the second step with a twist pitch of 15 mm6 mm.

A rectangular rolled copper foil includes copper or a copper alloy having a 0.2% yield strength of greater than or equal to 250 MPa. In a cross section perpendicular to a rolling direction, an area ratio of crystal grains oriented at a deviation angle of less than or equal to 12.5 from a Cube orientation is greater than or equal to 8%.

An object of the present invention is to provide a metal powder and an ink with which a sintered body having good flexibility can be formed, and a sintered body having good flexibility. A metal powder according to an embodiment of the present invention has a mean particle size D.sub.50BET of 1 nm or more and 200 nm or less as calculated by a BET method, a mean crystallite size D.sub.Cryst of 20 nm or less as determined by an X-ray analysis, and a ratio (D.sub.Cryst/D.sub.50BET) of the mean crystallite size D.sub.Cryst to the mean particle size D.sub.50BET of less than 0.4.

Elongated, ultra-high conductivity electrical conductors for use in advanced electronic components and vehicles, and methods for producing the same, are disclosed herein. The elongated electrical conductors include a conductor body that defines a longitudinal axis. The conductor body includes an isotropically conductive matrix material and a plurality of anisotropically conductive particles interspersed within the isotropically conductive matrix material. Each anisotropically conductive particle defines a respective axis of enhanced electrical conductivity that is aligned with the longitudinal axis of the conductor body. The methods include providing a bulk matrix-particle composite that includes the isotropically conductive matrix material and the plurality of anisotropically conductive particles. The methods further include forming the bulk matrix-particle composite into an elongated electrical conductor and aligning the plurality of anisotropically conductive particles such that the respective axis of enhanced electrical conductivity thereof is at least substantially aligned with the longitudinal axis of the elongated electrical conductor.

Provided by the present disclosure are a transfer mechanism for power transmission, charging socket, and motor vehicle. The transfer mechanism for power transmission includes a power transmission portion, a transfer portion and a cable, in which the power transmission portion includes a plug-in end and a connection end which are connected in sequence. The cable includes an internal conductor and an insulation layer wrapping the conductor. The transfer portion includes a first end, a bent portion and a second end which are connected in sequence, where the first end is electrically connected to the connection end, the second end is electrically connected to the conductor on one end of the cable, and the bent portion comprises at least one bent zone. By using the transfer mechanism for power transmission of the present disclosure, a non-coaxial or angled connection can be realized between a terminal and the cable, and the copper material used by the terminal can be saved to reduce the cost of the terminal.

The evaluation jig includes a pair of female terminals connectable to a pair of male terminals of a charging connector and an electric wire that connects the paired female terminals to each other. The electric wire has a cross-sectional area of 70 mm.sup.2 or more and 95 mm.sup.2 or less. The electric wire has a length of 2 m or more.

A system including a power tool and an energy supply device, wherein the energy supply device is provided for supplying the power tool with electrical energy. The energy supply device can be releasably connected to the power tool via an interface, wherein the interface comprises at least a female contact partner and a male contact partner. The interface has a total electrical transition resistance per pole of less than 0.4 milliohm, preferably less than 0.3 milliohm and particularly preferably less than 0.2 milliohm. At least one of the contact partners has a first coating, wherein the first coating has a graphite proportion of less than 30%. In addition, the interface may comprise more than six, preferably more than eight and most preferably more than twelve individual contact points. An energy supply device for use in the system is also provided.