Provided are a composite material structure obtained by joining composite materials with resin-impregnated reinforcing fibers, for which appropriate lightning proofing measures are taken, and a method for manufacturing the composite material structure. The composite material structure includes a first composite material, a second composite material, and a low-conductivity material. The first composite material includes a conductive first reinforcing fiber and a first resin impregnated into the first reinforcing fiber. The second composite material is integrated with the first composite material, and has a conductive second reinforcing fiber and a second resin impregnated into the second reinforcing fiber. The low-conductivity material has an electrical resistance that is lower than that of the first resin and the second resin and a low conductivity that is greater than or equal to the first reinforcing fiber and the second reinforcing fiber, and electrically connects the first reinforcing fiber to the second reinforcing fiber.

The purpose of the present disclosure is to provide electro-conductive particles and a signal-transmitting connector having same, wherein the electro-conductive particles are improved to prevent the phenomenon of irregular scrub between the electro-conductive particles and to have improved signal delivery characteristics. Electro-conductive particles according to the present disclosure are provided on a signal-transmitting connector having multiple electroconductive portions supported by an insulating portion made of an elastic insulating material to be spaced apart from each other such that the signal-transmitting connector can be connected to an electronic component and can transmit electric signals.

The purpose of the present disclosure is to provide electro-conductive particles and a signal-transmitting connector having same, wherein the electro-conductive particles are improved to prevent the phenomenon of irregular scrub between the electro-conductive particles and to have improved signal delivery characteristics. Electro-conductive particles according to the present disclosure are provided on a signal-transmitting connector having multiple electroconductive portions supported by an insulating portion made of an elastic insulating material to be spaced apart from each other such that the signal-transmitting connector can be connected to an electronic component and can transmit electric signals.

Provided is silver powder including silver particles having closed pores inside the particles, wherein when cross sections of the silver particles are observed at a magnification of 10,000, an average of numbers of the pores having Heywood diameters of 200 nm or greater relative to an area of the cross sections is 0.01 pores/μm.sup.2 or less, and wherein when the cross sections of the silver particles are observed at a magnification of 40,000, an average of numbers of the pores having Heywood diameters of 10 nm or greater but less than 30 nm relative to the area of the cross sections is 25 pores/μm.sup.2 or more.

Provided herein is a device for forming a conductive film. The device includes a deposition device and an air supply. The deposition device is configured to form a wet film having conductive nanostructures and a fluid carrier on a web. The web is moved in a first direction while forming the wet film. The air supply is disposed at a side of the web and configured to apply an air flow onto the wet film. The air flow is directed onto the wet film in a second direction perpendicular to the first direction to reorient a direction of some conductive nanostructures in the wet film to define reoriented conductive nanostructures.

The purpose of the present disclosure is to provide electro-conductive particles and a signal-transmitting connector having same, wherein the electro-conductive particles are improved to prevent the phenomenon of irregular scrub between the electro-conductive particles and to have improved signal delivery characteristics. Electro-conductive particles according to the present disclosure are provided on a signal-transmitting connector having multiple electroconductive portions supported by an insulating portion made of an elastic insulating material to be spaced apart from each other such that the signal-transmitting connector can be connected to an electronic component and can transmit electric signals.

The purpose of the present disclosure is to provide electro-conductive particles and a signal-transmitting connector having same, wherein the electro-conductive particles are improved to prevent the phenomenon of irregular scrub between the electro-conductive particles and to have improved signal delivery characteristics. Electro-conductive particles according to the present disclosure are provided on a signal-transmitting connector having multiple electroconductive portions supported by an insulating portion made of an elastic insulating material to be spaced apart from each other such that the signal-transmitting connector can be connected to an electronic component and can transmit electric signals.

A contact system includes a support body, a heat sink configured to contact the support body in an electrically insulated and/or heat-conducting manner, and an electrically insulating layer arranged between the heat sink and the support body. The heat sink has a first surface which is embodied substantially as a flat area and formed with a recess in a region intended for contacting a periphery of a contact area of the support body. The recess forms an unbroken track on the first surface of the heat sink. The contact area of the support body is located on the heat sink in such a way that the recess extends completely along the periphery of the contact area. The insulating layer between the heat sink and the support body is configured to cover the recess in such a way that a dosed channel is formed by the recess and the insulating layer.

A slit copper material, a purity of Cu is comprises 99.96% by mass or greater of Cu. In this slit copper material, a ratio W/t of a plate width W to a plate thickness t is 10 or greater, an electrical conductivity is 97.0% IACS or greater, a ratio B/A of an average crystal grain size B in a plate surface layer portion to an average crystal grain size A in a plate center portion is in a range of 0.80 or greater and 1.20 or less, and the average crystal grain size A in the plate center portion is 25 μm or less.

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.