TATSUTA ELECTRIC WIRE & CABLE CO., LTD.

It is an object of the present invention to provide a thermally conductive sheet that is excellent in thermally conductive property, has insulation property, has a low permittivity, and is excellent in designability. The thermally conductive sheet 1 comprises a binder component 11 , titanium oxide, titanium nitride, and a thermally conductive filler 12 other than these, and a ratio of the titanium oxide to the total of the titanium oxide and the titanium nitride is 20 to 90% by mass. An L* value of a surface of the thermally conductive sheet 1 in the L*a*b* color system is preferably 41 or less. The total content of the titanium oxide and the titanium nitride is preferably 0.3 to 10.0 parts by mass based on the total amount 100 parts by mass of the thermally conductive filler 12.

The present invention provides an electromagnetic wave shielding film in which the interlayer adhesion between the adhesive layer and the metal foil is not easily broken even when heated in the reflow process or the like. The present invention relates to an electromagnetic wave shielding film including: an adhesive layer containing a resin; and metal foil placed on the adhesive layer, the metal foil having a water vapor transmission rate of 0.40 g/(m 2 ·day) or higher, the adhesive layer having a water content of 1.00% by weight or less.

Provided is an electromagnetic wave shielding film from which static electricity that has accumulated during production or transfer can be easily dissipated. An electromagnetic wave shielding film of the present invention includes a protective layer disposed outermost and a shielding layer stacked inward from the protective layer, wherein the protective layer has a surface resistivity of 1.0×10 5 to 2.0×10 12 Ω/□, and the protective layer contains a binder resin and carbon particles having an average particle size of 0.1 to 15 μm.

An object of the present disclosure is to provide a conductive adhesive layer in which the connection stability between objects that are conductive members is excellent, and the connection stability is maintained even when the conductive adhesive layer is subjected to high temperature. The conductive adhesive layer is a conductive adhesive layer including a binder component and conductive particles, wherein the conductive particles include conductive particles A having a median diameter of 100% or more of a thickness of the conductive adhesive layer, and conductive particles B having a median diameter of 1 to 50% of the median diameter of the conductive particles A, a content of the conductive particles is 110 to 900 parts by mass based on 100 parts by mass of the binder component, and a mass ratio of the conductive particles A to the conductive particles B is 0.1 to 7.2.

An electromagnetic wave shielding film includes: a protective layer; a shield layer laminated on the protective layer; and an adhesive layer laminated on the shield layer, a plurality of conductive bumps formed on a side of the adhesive layer of the shield layer, in a plan view of the shield layer from the side of the adhesive layer, the conductive bumps being positioned on a tessellation of two or more kinds of polygons at vertices thereof, with the conductive bumps being arranged such that, with respect to each of them, when drawing line segments connecting the respective conductive bumps and nearest conductive bumps at a nearest position and drawing a straight line passing through one drawn line segment, the straight line has a portion that does not overlap with the other line segments.

Provided is a conductive adhesive sheet that has excellent connection stability even containing conductive particles in a small proportion. The inventive conductive adhesive sheet contains a binder component and conductive particles. The conductive particles are distributively arranged. Assume that all the conductive particles are regularly arranged; and that an optional region of the conductive adhesive sheet is viewed in plan view so that a distribution number Np of the distributed conductive particles be 9 to 25, a condition: 1.5X≤Y≤100X is met, where X represents the average of equivalent circle diameters of the distributed conductive particles; and Y represents the center-to-center distance between adjacent two of the distributed conductive particles, which are regularly arranged in the plan view. The ratio N/Np is 1.0 to 100.0, where N represents the number of the primary particles in the optional region. When optional three unique regions including the optional region are viewed in plan view so that the distribution number Np in each region be 9 to 25, the ratio Ng/Np is 0.8 to 1.0, where Ng represents the distribution number of conductive particles present in two or more of the three regions.

A coil includes an electric wire wound around a central axis once or helically a plurality of times. The electric wire includes a conductor having an elongated cross-sectional shape in a plane including the central axis. The cross-sectional shape is bent such that a first end and a second end in a longitudinal direction are away from the central axis . Loss in the coil including the electric wire wound once or helically a plurality of times is thus reduced.

Provided is an electromagnetic wave shielding film capable of blocking or allowing passage of only an electromagnetic wave with a specific frequency. An electromagnetic wave shielding film, including: a metamaterial layer including a first main surface and a second main surface opposite to the first main surface; and an adhesive layer formed on the second main surface of the metamaterial layer, wherein when the metamaterial layer is viewed in a plan view from at least one of the first main surface or the second main surface, the metamaterial layer includes a conductive region where predetermined patterns made of a conductive material are periodically arranged, and a non-conductive region other than the conductive region.

Even in a case where a spray nozzle of a solid phase particle deposition device is in motion, flying solid phase particles are efficiently collected. An attachment ( 1 ) includes: an engagement part ( 2 ) to be engaged with a spray nozzle ( 130 ) of a cold spray device ( 1 ); and an opening part ( 3 ) connected to the engagement part ( 2 ) and having at least one opening ( 3 a, 3 b ) to be connected to a collection section ( 20 ) that is configured to collect solid phase particles ( 30 b ) which are sprayed through the spray nozzle ( 130 ) onto a base material ( 170 ) and are not involved in formation of a film on the base material ( 170 ).

Provided is a biological electrode including a polarizable electrode layer; and a non-polarizable electrode layer layered on the polarizable electrode layer. The non-polarizable electrode layer includes a first silver layer layered on the polarizable electrode layer; a polymer layer layered on the first silver layer; and a second silver layer layered on the polymer layer, and at least the second silver layer includes silver chloride.