96results about "Aperture leaage reduction" patented technology

A radio frequency (RF) feedthrough component having an impedance greater than 20 ohms is disclosed. The feedthrough includes a ceramic body having a flexible non-ferrous conductor adhered to its outer peripheral surface and to an inner peripheral surface of an aperture through the ceramic body. A non-ferrous conductive lead is disposed through the aperture and protrudes from at least one side thereof. A non-ferrous hermetic seal is formed between a portion of the non-ferrous conductive lead disposed in the aperture and the non-ferrous conductor adhered to the surface of the aperture. The RF feedthrough can be assembled in an opening of a conductive housing to form an electromagnetically shielded package for an electrical circuit.

Implementations of the present disclosure include an electronic system assembly including a first circuit board including a first set of electronic components. The electronic system assembly includes a first housing containing the first circuit board and a second circuit board including a second set of electronic components. The electronic system assembly further includes a first connector shield having first sidewalls defining a first cavity, the first sidewalls having a first end abutting a first surface of the first circuit board and a second end abutting a second surface of the second circuit board. A first electrical connection extends through the first cavity and electrically coupling the first set of electronic components with the second set of electronic components.

A cable entry arrangement passes the conductors of a cable (200) into an electromagnetically shielded container (500). The cable entry arrangement receives the cable (200) with a symmetry axis thereof being parallel to a wall (510) of the container 5 (500). The cable entry arrangement (100) includes a base member (115) and an electrically conductive lid (300). The base member (115) contains a channel adapted to lead the cable (200) with its symmetry axis parallel to the wall (510) from an inlet end of the base member (115) to a through-opening (515) in 10 the wall (510). The lid (300) retains the cable (200) in the channel and galvanically connects a cable shielding (210) of the cable (200) to the wall (510). The lid (300) is mounted on the base member (115) to cover a portion of the cable shielding (210) located in the channel and mechanically fix the cable (200) in the 15 channel. The lid (300) has through-holes (301, 302, 303, 304, 305, 306) for receiving respective screws (601, 602, 603, 604, 605, 606). The base member (115) has threaded holes (101, 102, 103, 104, 105, 106) matching the through-holes (301, 302, 303, 304, 305, 306) when the lid (300) is mounted on the base 20 member (115), so that the lid (300) to be screw mounted onto the base member (115).

A coaxial connection device for a male coaxial connector, in the form of a stinger, resides within a housing. The housing has a port with a cylindrical wall with a conductive inner thread. The stinger has a conductive outer thread, sized to mate with the inner thread. A center conductor of the male connector enters a hole within the port. A circuit board within the housing supports a tube-like receiving chamber with an opening to receive the center conductor. The receiving chamber has a frictional member to establish an electrical connection with a sidewall of the center conductor. An insulation material surrounds the receiving chamber. A shield surrounds the insulation material. An RF tab is attached to the frictional member and communicates signals from the center conductor to elements of the circuit board. A ground tab is attached to the shield and grounds the shield to a ground plane of the circuit board.

The utility model relates to a radio frequency feed-through component, a coaxial radio frequency feed-through component and a packaging piece for a radio frequency circuit. A radio frequency (RF) feedthrough component having an impedance greater than 20 ohms is disclosed. The radio frequency feedthrough component includes a ceramic body having a flexible non-ferrous conductor adhered to an outer peripheral surface of the ceramic body and to an inner peripheral surface of a hole passing through the ceramic body. A non-ferrous conductive lead is disposed through the aperture and projects from at least one side of the aperture. A non-ferrous hermetic seal is formed between a portion of the non-ferrous conductive lead disposed in the hole and a non-ferrous conductor adhered to an inner circumferential surface of the hole. The RF feedthrough component may be assembled in the opening of the conductive housing to form an electromagnetic shielding package for the circuit.

The present invention relates to a shielding element for arrangement between a plug and a housing in order to electrically connect a metal shield of the plug to the housing. The shielding element comprises a peripherally closed base body having an inner surface, an outer surface and a central axis. The inner surface faces the central axis and is in particular aligned parallel to the central axis. The outer surface faces away from the central axis and is in particular aligned parallel to the central axis. At least one first contact tab of the base body is bent inwards away from the inner surface so that it is configured to contact the metal shield of the plug. Furthermore, at least one second contact tab of the base body is bent outwards away from the outer surface and configured to contact the housing.

An energy storage node includes a plurality of battery modules arranged within the energy storage node and a shielding wire. Each battery module includes a plurality of sub-module assemblies having a direct current supplied via the shielding wire. The direct current enters a first battery module at a first end of the first battery module, and the shielding wire traverses a width of the first battery module such that the direct current enters a first battery cell of a first sub-module assembly. The direct current flows through the first sub-module assembly in a direction opposite from the first battery cell and through next adjacent battery cells of the first battery module. Upon exiting a last of the sub-module assemblies, the shielding wire is twisted at least one with a portion of the shielding wire located along the first traverse of the width of the first battery module.

A cable tap structurally configured to maintain an electrical ground between loosely coupled housing portions to prevent or inhibit radio frequency interference. The cable tap may include a first housing portion structurally configured to connect to an input communication cable, a second housing portion structurally configured to connect an output communication cable, a signal processing portion structurally configured to receive and process a signal from the input communication cable and route a processed signal to the output communication cable; and a biasing portion structurally configured to maintain an electrically conductive connection between the first housing portion and the second housing portion when the first housing portion is loosely coupled with the second housing portion and the signal processing portion is receiving the signal from the input communication cable so as to ground the first housing portion to the second housing portion and provide enhanced RF shielding.

A terminal block of a novel structure is disclosed which can improve the heat dissipation performance of a terminal while achieving a size reduction with a small number of components. The terminal block is provided with a terminal including a connecting portion to be connected to a mating terminal on a tip side and a fixing portion on a base end side, a shield shell made of metal and including a tubular receptacle for surrounding the connecting portion of the terminal, a holding tube portion for surrounding the fixing portion of the terminal and a contact portion to be held in thermal contact with an external heat dissipation target and a filling resin portion for integrally fixing the fixing portion of the terminal to the holding tube portion of the shield shell by filling up between facing surfaces of the fixing portion and the holding tube portion.

A substrate reinforcement or stiffener can be toolless, slide-on, slide-off, and removable. A hold down can carry pre-attached solder balls, solder units, or fusible elements. Fusible elements can be shaped to reduce thermal and mechanical stresses when reflowed onto a substrate. A heat-producing article can include a heat-dissipation material selectively located on, or immediately adjacent to, a heat-producing article. Clips with a plurality of fingers can be added to power conductors. Graphene strips, graphene coatings, or nanomaterials can be applied to electrically non-conductive articles and are able to selectively direct unwanted heat away from the heat-producing article. Electro-magnetic interference can be reduced by selective placement of voids in a shield of an electrical component.

To provide a wire harness that can suppress deterioration in electromagnetic shielding performance.SOLUTION: A wire harness 10 includes electric wires 20, a conductive cylindrical member 31 through which the electric wires 20 pass, and a cylindrical electromagnetic shielding member 32 that surrounds the outer periphery of the electric wires 20 and is fixed to the end of the cylindrical member 31. The wire harness 10 includes an annular fixing member 34 that fixes the electromagnetic shielding member 32 to the end of the cylindrical member 31, and an oxidation suppressing layer 51 that seals a fixing portion where the cylindrical member 31 and the electromagnetic shielding member 32 are fixed by the fixing member 34.SELECTED DRAWING: Figure 3

Shield housing (1) made of an electrically conductive material which tends to form an oxide layer under an oxygen-containing atmosphere, in particular made of aluminum or an aluminum alloy, with at least one opening (2) whose inner circumference (3) is to be electrically contacted directly or indirectly with the shield of an electrical conductor, wherein a contact sleeve (10) is pressed into the opening (2), which is made of or coated with a material other than the housing, characterized in that a contact element (12) with several lamellae (13) is held in the contact sleeve (10), wherein the lamellae (13) are electrically contacted on the one hand with the inner circumference of the contact sleeve (10) and on the other hand are to be electrically contacted directly or indirectly with the shield of an electrical conductor.

An electromagnetic fields (EMF)-blocking device for blocking electromagnetic fields emitted from an electrical fixture, for example, an electrical socket. The EMF-blocking device comprises a cover body, at least one prong, and an insulated layer. The cover body is adapted to cover the electrical fixture. The prong is extended from a rear surface of the cover body, and is configured to insert into at least one hole of the electrical fixture to attach the cover body over the electrical fixture. The cover body is configured to be compatible with standard electrical fixtures. The insulated layer is disposed on the rear surface of the cover body, thereby contacting to a surface of the electrical fixture for blocking EMFs emitted from the electrical fixture. The EMF-blocking device is designed for simple, tool-free installation, allowing users to easily affix to any standard electrical fixture without requiring professional assistance.

A terminal block assembly includes a terminal block that holds terminals of a plurality of electric wires, a shield member, and a metallic plate-shaped bracket that holds the shield member, and the bracket is attached to a protrusion of the device housing. The bracket has a shape that is elongated in a first direction in order to attach the shield member along the first direction. The terminal block has a pin for integrating with the bracket. The bracket includes a coupling plate part having a hole that is larger than an outer diameter of the pin and through which the pin is passed, and a fixing plate part that is fixed to the protrusion in a state of being placed on a tip of the protrusion from an attachment direction orthogonal to the first direction.

The invention relates to an electrical component and a shielding assembly. An electrical component and a shielding assembly may include a set of conductors, wherein the shielding assembly has a body that at least partially surrounds the set of conductors. The shielding assembly may include a first shielding layer radially spaced from a second shielding layer. The first shielding layer may include a magnetic material. The second shielding layer may include a conductive material.

A radio frequency (RF) feedthrough component having an impedance greater than 20 ohms is disclosed. The feedthrough includes a ceramic body having a flexible non-ferrous conductor adhered to its outer peripheral surface and to an inner peripheral surface of an aperture through the ceramic body. A non-ferrous conductive lead is disposed through the aperture and protrudes from at least one side thereof. A non-ferrous hermetic seal is formed between a portion of the non-ferrous conductive lead disposed in the aperture and the non-ferrous conductor adhered to the surface of the aperture. The RF feedthrough can be assembled in an opening of a conductive housing to form an electromagnetically shielded package for an electrical circuit.

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.

Implementations of the present disclosure include an electronic system assembly including a first circuit board including a first set of electronic components. The electronic system assembly includes a first housing containing the first circuit board and a second circuit board including a second set of electronic components. The electronic system assembly further includes a first connector shield having first sidewalls defining a first cavity, the first sidewalls having a first end abutting a first surface of the first circuit board and a second end abutting a second surface of the second circuit board. A first electrical connection extends through the first cavity and electrically coupling the first set of electronic components with the second set of electronic components.

A cable tap structurally configured to maintain an electrical ground between loosely coupled housing portions to prevent or inhibit radio frequency interference. The cable tap may include a first housing portion structurally configured to connect to an input communication cable, a second housing portion structurally configured to connect an output communication cable, a signal processing portion structurally configured to receive and process a signal from the input communication cable and route a processed signal to the output communication cable; and a biasing portion structurally configured to maintain an electrically conductive connection between the first housing portion and the second housing portion when the first housing portion is loosely coupled with the second housing portion and the signal processing portion is receiving the signal from the input communication cable so as to ground the first housing portion to the second housing portion and provide enhanced RF shielding.

The invention relates to an electrical device comprising at least one electrical and / or electronic circuit and at least one cooling device. Both the electrical and / or electronic circuit and the cooling device are accommodated within an interior which is enclosed by a wall of the electrical device. At least one wall region or the wall as a whole is formed by an electrically conductive, in particular metal, housing element of the electrical device. The housing element further has at least one housing opening through which at least one connection piece of the cooling device is guided out of the interior to the outside of the housing element. An electrically conductive EMC (electromagnetic compatibility) contact element is arranged, in the region of the housing opening, between the housing element and the connection piece and forms at least one point of abutting contact with the housing element and / or at least one point of abutting contact with the connection piece.

Device having a housing with an upper housing part and a lower housing part, which form a receiving space; a circuit board arranged in the receiving space, which has an upper side and a lower side, the lower side being electrically connected to the upper side by means of electrically conductive openings, the circuit board having plug-in elements, which enable a connection to electrical components outside the housing, and having circuit elements; a first electrically conductive partition wall, which electrically connects the upper housing part to the upper side of the circuit board; and a second electrically conductive partition wall, which electrically connects the lower housing part to the lower side of the circuit board, the first and second partition walls extending in a common plane and dividing the receiving space into a first receiving space section on a first side of the first and second partition walls and a second receiving space section on a second side of the first and second partition walls, which is opposite the first side, and the circuit elements being arranged on the circuit board such that they are located only in the first receiving space section, and the plug-in elements being arranged on the circuit board such that they are located only in the second receiving space section.

Proposed is a home appliance. The home appliance of the present disclosure includes a casing having a storage space therein, and a door provided in front of the storage space to open and close the storage space. An electronic component unit is disposed in the door. The electronic component unit includes a camera device for photographing the storage space and a lighting device for emitting light into the storage space. A wire harness connects control devices, which control the electronic component unit, with the electronic component unit. In this case, a plurality of noise filters is coupled to the wire harness. The noise filters remove EMI effectively, thereby improving the stability of the home appliance.

An RF feedthrough component with an impedance of greater than 20 ohms is disclosed. The feedthrough comprises a ceramic body with a flexible non-ferrous conductor adhered to its outer peripheral surface and to an inner peripheral surface of a bezel through the ceramic body. A non-ferrous conductive line is disposed through the bezel and protrudes from at least one side thereof. A non-ferrous hermetic seal is formed between a portion of the non-ferrous conductive line disposed within the bezel and the non-ferrous conductor adhered to the surface of the bezel. The RF feedthrough can be disposed within an opening of a conductive housing to form an electromagnetically shielded package for an electrical circuit.

The disclosure relates to an electromagnetic filter assembly (44) for attenuating electromagnetic interferences. The filter assembly (44) comprises a base plate (46) having a first opening (48) being configured to be penetrated by a first conductor (52) from which the electromagnetic interference at least partially originates. The base plate (46) has an electrically non-conductive carrier layer (56), an electrically conductive first layer section and an electrically conductive second layer section. The first layer section comprises a shielding interface (64) configured to connect the first layer section to a shielding (66). The second layer section comprises a first conductor interface (74). The first layer section and the second layer section are capacitively coupled via at least two discrete capacitor elements (C2, C3). Moreover, a feedthrough assembly (42) is presented which comprises such an electromagnetic filter assembly (44). Additionally, an enclosure assembly (28) having an electromagnetic filter assembly (44) and a vehicle comprising an enclosure assembly (28) are explained.

A thermal and vibrational management system for providing an electrical cable support and heat shield including a cable clamping device for clamping to a portion of an electrical cable and a rigid tubular sleeve having a connector end and a clamping end and an interior dimension configured to receive the electrical cable, wherein the connector end is mechanically coupled to a cooled structure and the clamping end is configured with the cable clamping device.

A device is provided. The device (110) is for current return and / or electromagnetic shielding, for use in a radio equipment. The device is electrically conductive, made of a metallic sheet which is tubular shaped and extends along an axis. The device comprises a first rim defining a first opening, and a second rim, defining a second opening. The device further comprises a flection area arranged between the first rim and the second rim. The first rim and / or the second rim are continuous, and the flection area is adapted to flex when the device is axially compressed. The second opening is to be attached to a circuit board to be seamless sealed to the circuit board. The first opening will, during said compression towards a metallic connection part of an electrical connection, provide current return and / or electromagnetic shielding between the first opening and the metallic connection part.

The present invention discloses an anti-electromagnetic cabinet for a reactive compensation device, comprising a first cabinet, a second cabinet, an anti-electromagnetic filtering device and a fan. The second cabinet is arranged in an inner cavity of the first cabinet, the upper end faces of the second cabinet and the first cabinet are both provided with first air outlets that are interconnected, the upper end faces of the second cabinet are also provided with second air outlets, and the lower side end faces of the first cabinet are provided with third air outlets. The front ends of the first cabinet and the second cabinet are provided with installation openings, and the installation openings are hinged with cabinet doors. The anti-electromagnetic filtering device is arranged in the first air outlet and at the third air outlet, and the fan is also arranged at the first air outlet. The present invention not only improves the anti-electromagnetic interference performance through the arrangement of internal and external cabinets, but also improves the heat dissipation performance of the internal cabinet, provides anti-electromagnetic interference effect while meeting the heat dissipation effect, and ensures the normal operation of the internal device.

A shield structure according to the present disclosure includes a printed circuit board, an elastic member, and a connector shield metal part. The printed circuit board is placed inside a grounded housing. At least one electronic component including a connector connected outside is surface-mounted on the printed circuit board. The elastic member is placed on a mounting surface side of the printed circuit board, inside the housing. The connector shield metal part is placed on the mounting surface side, inside the housing and formed in a shape covering the connector. The connector shield metal part directly contacts and is electrically connected to the housing, and is electrically connected to the connector via the elastic member in a state where the connector shield metal part is attached to the housing.