B32B2307/212

CONDUCTIVE FOAM

A conductive foam includes a foam body, a conductive cloth, and a conductive adhesive layer. The conductive cloth wraps an outer surface of the foam body and includes a device contact surface configured to contact an external device for assembly. The conductive adhesive layer is disposed on the device contact surface.

LAMINATED GLASS FOR VEHICLE

The present invention relates to a laminated glass for vehicle, including a first glass plate and a second glass plate joined to each other by an intermediate film, in which the first glass plate has a second main surface facing the intermediate film; the laminated glass has a first region with the second glass plate and a second region with no second glass plate in a plan view; the laminated glass has a filling portion that includes an electromagnetic wave transmission member and is disposed continuously from the second main surface on the second region toward a space between the first glass plate and the second glass plate in the first region to cross the entire boundary between the first region and the second region; and the second region is higher in transmittance of millimeter waves than the first region.

Multilayer Bale Wrap
20230126009 · 2023-04-27 · ·

A bale wrapping system includes an emitter configured to generate electromagnetic radiation within an emitted spectrum and a wrap. The wrap includes a melt layer containing an additive absorbent to at least some electromagnetic radiation within the emitted spectrum and a solid layer substantially free of the additive.

Electromagnetic wave absorbing sheet
11477925 · 2022-10-18 · ·

Provided is an electromagnetic-wave interference type electromagnetic-wave absorbing sheet that can favorably absorb electromagnetic waves in a desired frequency band while having high flexibility and light transmittance and being handled easily. The electromagnetic-wave absorbing sheet having flexibility and light transmittance includes an electric resistance film 1, a dielectric layer 2 and an electromagnetic-wave shielding layer 3 that each have light transmittance and that are stacked. The electric resistance film is formed of a conductive organic polymer, and the electromagnetic-wave shielding layer has an aperture ratio of 35% or more and 85% or less.

Multilayer radar-absorbing laminate for aircraft made of polymer matrix composite material with graphene nanoplatelets, and method of manufacturing same

A multilayer radar-absorbing laminate includes three juxtaposed blocks. A first electrically conductive block is arranged toward the inside of the aircraft in use. A second electromagnetic intermediate absorber block has a layer of electrically non-conductive fiber sheets is permeated by graphene-based nanoplatelets to achieve a periodic and electromagnetically subresonant layer, the conductive layers containing graphene nanoplatelets alternating with non-conductive layers. A third block of electrically non-conductive material is arranged towards the outside and forms part of the outer surface of the aircraft. The second block is produced by depositing on the fiber sheets a suspension of graphene nanoplatelets in a polymeric mixture, with controlled penetration of the graphene nanoplatelets into the fiber sheets. A plurality of dry fiber sheets sprayed with the suspension of graphene nanoplatelets is superimposed. An unpolymerized thermosetting synthetic resin is infused into a lay-up made of the first, second and third blocks. Afterwards, the thermosetting resin is polymerized.

LAMINATED GLASS

The present invention is a windshield on which an information acquisition device that acquires information from outside of a vehicle by emitting and/or receiving light can be arranged, the windshield including: an outer glass plate; an inner glass plate; an interlayer film arranged between the outer glass plate and the inner glass plate; and a mask layer laminated on at least one of a surface on a vehicle interior side of the outer glass plate and a surface on a vehicle exterior side of the inner glass plate, in which the interlayer film includes a colored shade region, a transparent non-shade region, and a transparent sheet member that is fitted into at least one through hole formed over the shade region and the non-shade region.

CARBON FIBER-REINFORCED COMPOSITE MATERIAL, STACKED CARBON FIBER COMPOSITE MATERIAL, STACKED COMPOSITE MATERIAL, CASE FOR WIRELESS POWER SUPPLYING DEVICE, AND CASE FOR WIRELESS POWER RECEIVING DEVICE
20230060571 · 2023-03-02 ·

A carbon fiber-reinforced composite material is capable of transmitting an electromagnetic wave in a low frequency band while having an electromagnetic wave shielding performance in a high frequency band. The carbon fiber-reinforced composite material has a ratio SE.sub.M300K/SE.sub.M1G of a value SE.sub.M300K (dB) at 300 kHz to a value SE.sub.M1G (dB) at 1 GHz of a magnetic shielding effectiveness measured by a KEC method is 0.50 or less.

Multifunctional surfacing material with burn-through resistance

A multifunctional surfacing material capable of providing lightning strike protection (LSP) and burn-through resistance. In one embodiment, the multifunctional surfacing material is composed of a conductive layer positioned between two resin layers, at least one of which contains one or more fire retardant compounds. In another embodiment, the multifunctional surfacing material is composed of a conductive layer positioned between two resin layers one of which is a thermally-stable layer. The surfacing material is co-curable with a composite substrate, e.g. prepreg or prepreg layup, which contains fiber-reinforced matrix resin.

Modular shielded enclosures with multi-layer panels and related methods
11665870 · 2023-05-30 ·

A plurality of different sized and shaped lightweight, shielded enclosures can be configured from a plurality of lightweight, shielded walls that attenuate one or more electromagnetic frequencies.

ELECTROMAGNETIC INTERFERENCE SHIELDING FILM AND PREPARING METHODS THEREOF
20230065194 · 2023-03-02 ·

An electromagnetic interference shielding film includes an insulation layer, a first adhesive layer, a porous metal layer and a conductive adhesive layer including a plurality of conductive particles. The first adhesive layer is located between the insulation layer and the porous metal layer, and the porous metal layer is formed on the first adhesive layer, and making the first adhesive layer locate between the porous metal layer and the insulation layer. The conductive adhesive layer is located on the porous metal layer so that the porous metal layer is located between the first adhesive layer and the conductive adhesive layer. The present invention further provides a preparation method thereof.