Various circuit board systems and methods of use and manufacture thereof are disclosed. A circuit board system can have a first circuit board including a substrate and a first component susceptible to electromagnetic interference carried by the substrate. The system can also include a second circuit board including a second substrate, and a shield engaged to the substrate of the first component, the shield at least partially covering the first component and being configured to protect the first component from electromagnetic interference, wherein the shield couples the substrate of the first circuit board to the substrate of the second circuit board.

Various implementations include a casing device for controlling the distance and direction of readability of a wave. The casing device includes at least one wall having an outer surface and an inner surface that defines a chamber. The at least one wall has at least a first wall portion and a second wall portion. At least the first wall portion includes an electrically conductive material. At least the second wall portion defines an aperture extending from the outer surface to the inner surface.

A touchscreen display may include display chassis, a touchscreen sensor, and filters. The touchscreen sensor may include row conductors and column conductors spanning a display surface. Each of the filters may be coupled to one of the row conductors or the column conductors such that the row conductors and the column conductors are coupled to the filters. Each of the filters may be grounded to the display chassis. Each of the plurality of filters may be configured to allow a touchscreen sensor frequency band of interest to pass through said filter such that the touchscreen sensor is configured to detect touches. Each of the filters may be configured to filter out electromagnetic interference (EMI) on frequencies other than the touchscreen sensor frequency band of interest and to ground the EMI to the display chassis. The touchscreen sensor and the filters may form an EMI shield across the display surface.

An electronic device and shield can structure are provided. The electronic device includes a housing, a circuit board disposed in the housing and one or more electronic components mounted on the circuit board, a shield can coupled to the circuit board and covering the one or more electronic components, one or more first fastening structures disposed on the circuit board and coupled to the shield can, the one or more first fastening structures having a first width, and one or more second fastening structures extending from the one or more first fastening structures, the one or more second fastening structures having a second width smaller than the first width.

An electromagnetic wave transmission board includes a composite board and a plated metal layer. The composite board has a plurality of inner walls surroundingly defining an elongated channel in an interior of the composite board. The plated metal layer is formed on at least part of the inner walls so as to jointly form an inner channel structure in the channel. The inner channel structure surroundingly defines a predetermined space filled with air, and the inner channel structure has two entrances in air communication with the predetermined space. The predetermined space of the inner channel structure is configured to receive and output an electromagnetic wave signal through the two entrances, respectively, and the electromagnetic wave transmission board is configured to transmit the electromagnetic wave signal by using the air in the predetermined space of the inner channel structure as a conductive medium.

Various circuit board systems and methods of use and manufacture thereof are disclosed. A circuit board system can have a first circuit board including a substrate and a first component susceptible to electromagnetic interference carried by the substrate. The system can also include a second circuit board including a second substrate, and a shield engaged to the substrate of the first component, the shield at least partially covering the first component and being configured to protect the first component from electromagnetic interference, wherein the shield couples the substrate of the first circuit board to the substrate of the second circuit board.

The present disclosure provides a glass assembly, a manufacturing method thereof and a glass window. The glass assembly includes: a first glass plate and a second glass plate disposed opposite to each other, wherein inert gas is filled between the first glass plate and the second glass plate; a first electrode and a second electrode disposed between the first glass plate and the second glass plate, the inert gas is transformed into plasma in the case where an electric field is generated using the first electrode and the second electrode. The present disclosure can realize switching of the electromagnetic shielding function according to the user's demand in a space limited environment.

An electronic device includes a printed circuit board (PCB), a first cover disposed to shield a first region of the PCB, and a second cover for shielding a second region which has at least a boundary with the first region. A corresponding boundary portion the first cover and the second cover include at least one protrusion portion and at least one recess portion which are fitted to face each other. Thus, since at least two shielding covers share the single boundary region, the component mounting region of the PCB can be efficiently utilized to thus contribute to slimness of the electronic device.

An electromagnetic interference (EMI) shield is disclosed. The EMI shield includes an electrically conductive sleeve configured to surround a connector. The electrically conductive sleeve includes a restriction configured to contact a metal perimeter of the connector and includes a connection member configured to be electrically coupled to a circuit board.

Various circuit board systems and methods of use and manufacture thereof are disclosed. A circuit board system can have a first circuit board including a substrate and a first component susceptible to electromagnetic interference carried by the substrate. The system can also include a second circuit board including a second substrate, and a shield engaged to the substrate of the first component, the shield at least partially covering the first component and being configured to protect the first component from electromagnetic interference, wherein the shield couples the substrate of the first circuit board to the substrate of the second circuit board.