H05K9/0081

Device comprising multi-directional antennas in substrates coupled through flexible interconnects

A device that includes a first substrate comprising a first antenna, an integrated device coupled to the first substrate, an encapsulation layer located over the first substrate and the integrated device, a second substrate comprising a second antenna, and a flexible connection coupled to the first substrate and the second substrate. The device includes a shield formed over a surface of the encapsulation layer and a surface of the first substrate. The shield includes an electromagnetic interference (EMI) shield.

System and method for shielding attenuation of electromagnetic interference emissions

A printed circuit board (PCB) module may include a PCB with at least one internal PCB element and at least one external PCB element, a shielding layer fabricated from a tunable metamaterial absorber, and a structure housing the PCB. The at least one internal PCB element may be embedded between adjacent layers of the PCB. The at least one external PCB element may be coupled to an exterior surface of the PCB. The shielding layer may be tuned in response to the at least one measurement of the EMI emission and a determination of a frequency of the EMI emission from the at least one measurement. The tuning of the shielding layer may include adjusting a plurality of fins within a plurality of elements of the metamaterial absorber to absorb at least a portion of the EMI emission.

MICROWAVE DEVICE
20230036961 · 2023-02-02 ·

A microwave device includes a microwave cavity, a frame, and a window having an electrically insulating substrate and a structure of metallic wires supported by the substrate. The frame defines a perimeter of an opening in the microwave cavity and the frame is conductive and grounded. The window spans the opening and is arranged to reflect RF radiation back into the cavity and to shield the outside of the microwave cavity from RF radiation. The window is optically transparent. Each metallic wire of the structure is electrically connected to the frame and the width of each metallic wire is between 100 nanometres and 30 micrometres.

Method and apparatus for wrapping flexible flat cable
11615898 · 2023-03-28 · ·

A method for wrapping an FFC is provided. The method includes: a step of removing release paper from a shielding tape which includes the release paper and adhesive paper; a step of aligning an FFC on an adhesive surface of the adhesive paper from which the release paper is removed; and a preliminary bending step.

Electronic device including heat radiating structure

An electronic device is provided. The electronic device includes a circuit board, at least one electric component disposed on one surface of the circuit board, a shield can mounted on the one surface of the circuit board, with the at least one electric component received in the shield can, and including at least one opening formed in an area corresponding to the at least one electric component, a shielding sheet disposed in at least a portion of the shield can and blocking at least a portion of the at least one opening, and a heat transfer member disposed in contact between the at least one electric component and the shielding sheet. The shielding sheet includes a flexible structure.

Wave-absorbing material powder with oxidation resistance and salt fog resistance and preparation method thereof
20230087932 · 2023-03-23 ·

Wave-absorbing material powder of the present invention has oxidation resistance and salt fog resistance, which includes an iron-containing wave-absorbing material powder, and a metal oxide ceramic layer and a metal phosphate layer sequentially coated on an outside of the iron-containing wave-absorbing material powder from the inside to the outside. A method for preparing the wave-absorbing material powder includes using atomic layer deposition to coat the iron-containing wave absorbing material powder with a metal oxide ceramic coating, and then adopting the atomic layer deposition to coat the metal oxide ceramic coating with a metal phosphate layer; repeating the above steps to form an alternating nano-stack of the metal oxide ceramic coating and the metal phosphate layer outside the iron-containing absorbing material powder; and finally performing a high-temperature annealing treatment. The present invention improves temperature resistance, corrosion resistance and oxidation resistance of wave-absorbing materials.

ELECTROMAGNETIC WAVEGUIDE WITH AN EMI SHIELDING GASKET

The present invention relates to an electromagnetic waveguide comprising an electromagnetic interference shielding gasket which includes a self-supporting body of non-woven carbon nanotubes adapted to incorporate one or more apertures and to the electromagnetic interference shielding gasket per se.

SPRAY FOAM ELECTROMAGNETIC INTERFERENCE ABSORBER

A method, a device, and a composition are disclosed. The method includes providing a polyol blend that includes a polyol resin and an electromagnetic (EMA) additive, providing an isocyanate resin selected such that blending the isocyanate resin with the polyol blend results in an EMA spray foam. The device includes a first compartment containing an isocyanate resin and a second compartment containing a polyol blend, which includes a polyol resin and an EMA additive. The composition includes a polyurethane spray foam and an EMA additive blended into the polyurethane spray foam.

ANTI-INTERFERENCE SURFACE MOUNT ELECTRONIC COMPONENT
20230085011 · 2023-03-16 ·

An anti-interference surface mount electronic component includes a surface mount electronic component body having an outer side adapted to be grounded. An anti-interference layer unit is disposed on the outer side of the surface mount electronic component body. The outer side of the surface mount electronic component body includes two electrodes disposed in two symmetric directions extending along a planar surface. The two electrodes together define a separation area on the outer side of the surface mount electronic component body. The separation area includes a grounding end. The anti-interference layer unit includes a first anti-interference layer formed of an anti-interference coating. The first anti-interference layer is disposed around the separation area and an outer side of the grounding end and is spaced from each of the two electrodes. The first anti-interference layer includes an opening facing the grounding end.

SECURE ACCESS KIOSK AND NETWORK
20230081257 · 2023-03-16 ·

A secure access kiosk includes a plurality of walls interconnected to form an interior area within the secure access kiosk, a soundproofing element fixed at each wall of the plurality of walls, an electromagnetic shielding element fixed at each wall of the plurality of walls, and an information processing system security container within the interior area of the secure access kiosk. The information processing system security container houses at least one of a thin client or an ultra-thin client, and the thin client or the ultra-thin client is configured to provide a software interface and to prevent data storage or encryption to be stored at the thin client or ultra-thin client. The thin client or the ultra-thin client can include an integrated classified network interface within the interior area of the secure access kiosk.