The present disclosure relates to the passive initiation and release of incident energy-dissipating material from locations on an incident energy target surface as a counter measure response for the protection of a platform. The response is activated over a predetermined area or areas on an incident energy target surface in response to an incident directed energy sensed on a target surface.

Provided is a method for producing an optical film using simultaneous multilayer coating application, the method being capable of reducing the incidence of coating failure in an optical film. The present invention relates to a method for producing an optical film having at least two or more optical functional layers formed on a base material, the method including: a loss modulus checking step of checking the loss moduli of coating liquids capable of forming the respective optical functional layers by measuring dynamic viscoelasticity; and a coating application step of performing simultaneous multilayer coating application of the coating liquids capable of forming the respective optical functional layers on the base material.

A piezoelectric vibrator is located on a first end portion of a second surface of a panel, and is configured to vibrate while being bent in a first direction, the first end portion extending in the first direction. A double-sided tape is located between the panel and a first case. An adhesive is located between the panel and the first case. The first end portion includes an element region, and has second and third end portions with the element region interposed between the second and third end portions. The second end portion faces the element region, and includes a first adhesive region. The double-sided tape is present between the first adhesive region and the element region, and is not present in a region located closer to an outer edge of the panel than the first adhesive region.

An electromagnetic wave absorbing laminated transparent base material includes a plurality of sheets of transparent base materials; and an electromagnetic wave absorbing particle dispersoid including at least electromagnetic wave absorbing particles and a thermoplastic resin. The electromagnetic wave absorbing particles contain hexagonal tungsten bronze having oxygen deficiency. The tungsten bronze is expressed by a general formula: M.sub.xWO.sub.3−y (where one or more elements M include at least one or more species selected from among K, Rb, and Cs, 0.15≤x≤0.33, and 0<y≤0.46). Oxygen vacancy concentration N.sub.V in the electromagnetic wave absorbing particles is greater than or equal to 4.3×10.sup.14 cm.sup.−3 and less than or equal to 8.0×10.sup.21 cm.sup.−3. The electromagnetic wave absorbing particle dispersoid is arranged between the plurality of sheets of the transparent base materials.

The present application provides an insulating composite plate comprising: an upper plate layer, a lower plate layer, and a middle plate layer, wherein the upper plate layer and the lower plate layer are made of a thermoplastic material; the middle plate layer is located between the upper plate layer and the lower plate layer, the middle plate layer being a metal mesh; the upper surface of the middle plate layer and the lower surface of the upper plate layer are bonded together, and the lower surface of the middle plate layer and the upper surface of the lower plate layer are bonded together. An insulating composite plate provided by this application has good insulation properties and can shield electromagnetic interference.

A soundproof material may comprise, in order: a first electrically conductive ferromagnetic layer, a charged insulator layer, and a second electrically conductive ferromagnetic layer. A charged site at the charged insulator layer may be electrically insulated from the first electrically conductive ferromagnetic layer and/or the second electrically conductive ferromagnetic layer. When a sound causes vibration of any among the first electrically conductive ferromagnetic layer, the charged insulator layer, and/or the second electrically conductive ferromagnetic layer, this causes alteration of a magnetic field at the first electrically conductive ferromagnetic layer and/or the second electrically conductive ferromagnetic layer, soundproofing being carried out when acoustic energy of the sound wave is lost as thermal energy.

The present invention is to provide an acrylic matte resin film with good matte appearance, high thermal stability during molding, stable production, in addition, excellent appearance design, high mechanical strength, easy handling, and applicability for various applications. Provided is an acrylic matte resin film which has a surface having a 60° surface glossiness (Gs60°) of less than 100% on at least one of the films, wherein an arithmetic mean roughness (Ra) of the surface having the surface glossiness satisfies the following formula (1) and wherein the surface satisfying the following formula (1), comprises an acrylic resin composition (a) has a gel content of 40% by mass or more:
2.2×NGs60°.sup.(−0.97)≤Ra≤4.4×NGs60°.sup.(−0.97) . . .   (1)
wherein NGs indicates a value obtained by excluding % from Gs60°, which is less than 100%.

Materials and methods for mitigating passive intermodulation. A membrane for reducing passive intermodulation includes a first polymeric layer, a second polymeric layer, and a continuous metal layer encapsulated between the first and second polymeric layers. A self-adhesive radio frequency barrier tape includes a waterproof polymeric top layer, a metal-containing layer adhered by an adhesive layer to the polymeric top layer, a pressure sensitive adhesive layer adhered to the metal-containing layer, and a release liner on a bottom surface of the pressure sensitive adhesive layer. A method of mitigating passive intermodulation includes passing a probe over an area of interest, the probe being sensitive to an intermodulation frequency of interest, and identifying a suspected source of passive intermodulation when the amplitude of the probe output exceeds a threshold at the frequency of interest. The method further includes covering the suspected passive intermodulation source with a radio frequency barrier material.

The present disclosure relates to an electromagnetic interference shield. The electromagnetic interference shield comprises a composite film that comprises a first carbon layer comprising an electrically conducting carbon material; a second carbon layer comprising an electrically conducting carbon material; and a porous layer between the first carbon layer and second carbon layer.

An electronic heat transfer label includes a substrate. A pattern layer is printed on the substrate, and an adhesive is printed on the pattern layer to form a first adhesive layer. A chip is attached onto the first adhesive layer, and an adhesive is printed on the chip to form a second adhesive layer. The second adhesive layer covers the chip, and a hot-melt layer is arranged on the second adhesive layer. A method for preparing the electronic heat transfer label includes: S1: printing an ink on a substrate and drying the ink to form a pattern layer; S2: printing an adhesive on the pattern layer and drying to form a first adhesive layer; S3: attaching a chip onto the first adhesive layer; S4: printing an adhesive onto the first adhesive layer and the chip, and drying to form a second adhesive layer.