H05K9/0094

Electromagnetic shield

There is provided an inexpensive electromagnetic shield that can achieve exceptional shielding and display visibility characteristics, and provide high environmental resistance as necessary. In an electromagnetic shield (1), an intermediate layer (3) is formed on a glass substrate (2) comprising soda lime glass, an electroconductive layer (4) of Al is formed thereon, and openings (5) are formed by wet etching on the intermediate layer (3) and the electroconductive layer (4) after these layers have been formed by sputtering or vacuum deposition. Furthermore, an ITO layer (6) is formed on the entire glass surface including the intermediate layer (3) and the electroconductive layer (4) after the openings (5) are formed. In this configuration, the intermediate layer (3) comprises a mixture of at least one metal selected from chromium, molybdenum, and tungsten, and at least one oxide selected from oxides of silicon, oxides of aluminum, and oxides of titanium.

ELECTROMAGNETIC WAVE ABSORBING SHEET
20200146191 · 2020-05-07 · ·

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.

METHODS AND SYSTEMS FOR CONSTRUCTING OR RETROFITTING ELECTROMAGNETICALLY SHIELDED FACILITIES

Electromagnetically shielding an enclosable structure having a floor, walls, a ceiling, and at least one closeable opening by applying a shielding wallcovering to at least a portion of one of the walls and applying a second type of shielding material to at least a portion of the enclosable structure, wherein the second type of shielding material differs from the shielding wallcovering. The shielding wall covering is wallpaper comprising a metal-coated broad good and a resin. Other types of shielding material may include a transparent, shielding window covering such as NiCVD coated screen of woven silk fibers; shielded flooring such as a layered combinations of Kevlar non-woven as a base layer, nickel-coated non-woven layers, and a PCF toughened polymer; and a transition shielding strip made of a base layer of the shielding wallpaper with a PCF toughened polymer coating over a portion of the strip.

METHODS AND SYSTEMS FOR CONSTRUCTING OR RETROFITTING ELECTROMAGNETICALLY SHIELDED FACILITIES

Electromagnetically shielding an enclosable structure having a floor, walls, a ceiling, and at least one closeable opening by applying a shielding wallcovering to at least a portion of one of the walls and applying a second type of shielding material to at least a portion of the enclosable structure, wherein the second type of shielding material differs from the shielding wallcovering. The shielding wall covering is wallpaper comprising a metal-coated broad good and a resin. Other types of shielding material may include a transparent, shielding window covering such as NiCVD coated screen of woven silk fibers; shielded flooring such as a layered combinations of Kevlar non-woven as a base layer, nickel-coated non-woven layers, and a PCF toughened polymer; and a transition shielding strip made of a base layer of the shielding wallpaper with a PCF toughened polymer coating over a portion of the strip.

ELECTROMAGNETIC WAVE TRANSMISSIVE COVER AND SENSOR MODULE
20240032267 · 2024-01-25 ·

An electromagnetic wave transmissive cover is configured to be employed in a vehicle to which a sensor device is attached. The electromagnetic wave transmissive cover includes a cover body that is attached to the vehicle and covers the sensor device from a front side in an emission direction of the electromagnetic waves, and a seal member that provides a seal between the sensor device and the cover body. The seal member includes an attachment base portion that is attached to the cover body while surrounding the electromagnetic wave transmissive portion, and an annular hollow seal portion that is coupled to the attachment base portion and is in contact with the sensor device while surrounding the electromagnetic wave transmissive portion.

RF-SHIELDED WINDOW APPARATUS AND METHOD OF MANUFACTURING SAME
20240040761 · 2024-02-01 ·

An RF-shielded window apparatus may comprise a primary panel and a secondary panel. The primary panel may include a primary RF shield layer disposed between a primary backing substrate and a protective layer. The secondary panel may include a secondary backing substrate and a secondary RF shield layer. The first panel element and the second panel element may be secured to one another such that the primary RF shield layer, the secondary RF shield layer and the protective layer are collectively disposed between the primary backing substrate and the secondary backing substrate. The primary RF shield layer and the secondary RF shield layer may be in electrically-conductive communication with one another. A panel joining strip may facilitate the securement of the first panel to the second panel, and the electrically-conductive communication may be at least in part by way of the panel joining strip. Associated manufacturing methods are also disclosed.

Electromagnetically shielded wallpaper

The electromagnetic shielding of an enclosable building structure is provided by applying a shielding wallcovering to at least a portion of building structure. The shielding wall covering is wallpaper comprising a metal-coated substrate core and resin. To connect the shielded wallpaper to the building structure a layer of the resin or an adhesive layer may be used.

Transparent conductive circuit

A transparent conductive film (TCF) and methods for creating the TCF. The TCF includes a substrate having a surface, a metal mesh layer over at least a portion of the surface of the substrate, and a conductive layer over the metal mesh layer. The conductive layer includes carbon nanotubes and a binder.

RF-shielded window apparatus and method of manufacturing same
11943907 · 2024-03-26 · ·

An RF-shielded window apparatus may include a primary panel and a secondary panel. The primary panel may include a primary RF shield layer disposed between a primary backing substrate and a protective layer. The secondary panel may include a secondary backing substrate and a secondary RF shield layer. The first panel element and the second panel element may be secured to one another such that the primary RF shield layer, the secondary RF shield layer and the protective layer are collectively disposed between the primary backing substrate and the secondary backing substrate. The primary RF shield layer and the secondary RF shield layer may be in electrically-conductive communication with one another. A panel joining strip may help secure the first panel to the second panel, and the electrically-conductive communication may be at least in part by way of the panel joining strip. Associated manufacturing methods are also disclosed.

ELECTRIC-WAVE ABSORBER AND MANUFACTURING METHOD FOR ELECTRIC-WAVE ABSORBER
20240098954 · 2024-03-21 · ·

The present invention realizes an electric-wave absorber of a so-called electric-wave interference type, which can favorably absorb absorption electric waves of a desired frequency even when a protective layer for protecting an electric resistance film is formed on the surface of the electric resistance film, and a manufacturing method for the electric-wave absorber. In an electric-wave absorber of an electric-wave interference type, which is formed by sequentially stacking an electric resistance film 1, a dielectric layer 2, and an electric-wave shielding layer 3, absorption electric waves to be absorbed by the electric-wave absorber are waves in a high frequency band in or above a millimeter-wave band, a protective layer 4 is included on the electric resistance film, and a thickness of the dielectric layer is smaller than a reference thickness dst obtained according to the frequency of the absorption electric waves and the permittivity of the dielectric layer.