An electronic device including a substrate having opposing top and bottom surfaces is provided. A ground layer is disposed in the substrate. An electrically conductive chassis has a mounting surface to receive the bottom surface of the substrate and is in electrical contact with the ground layer by a ground stitch via. An electromagnetic shield is defined by the ground layer, the ground stitch via and the chassis to enclose the bottom surface of the substrate and protect the bottom surface from electromagnetic interference. A non-conductive cover is assembled to the substrate in tension so that an interior surface of the cover applies a force to the top surface of the substrate thereby ensuring the chassis maintains electrical contact with the ground layer.

A circuit board assembly in an electronic is disclosed. To conserve space in the electronic device, the circuit board assembly includes stacked circuit boards in electrical communication with each other, such as a first circuit board stacked over a second circuit board. Each circuit board may include multiple surfaces that carry operational components. Moreover, the first circuit board may include a first surface and the second circuit board may include a second surface facing the first surface. The first and second surfaces may include operational components in corresponding locations. Also, the operational components may include corresponding shapes such that one component is positioned in another component. The components may electrically connect to each other. Also, the circuit board assembly may include EMI shields around an outer perimeter in order to shield the operational components form EMI and to components in the electronic device from EMI emanating from the operational components.

This document describes a thermal-control system that is integrated into a media-streaming device. The thermal-control system includes a combination of heat spreaders and materials with high thermal-conductivity. The thermal-control system may spread, transfer, and dissipate energy from a thermal-loading condition effectuated upon the media-streaming device to concurrently maintain temperatures of multiple thermal zones on or within the media-streaming device at or below multiple respective prescribed temperature thresholds.

A module substrate includes a module substrate including a plurality of external connection electrodes disposed on a second surface thereof; communication elements mounted on the module substrate, the communication elements including one or more first communication elements mounted on a first surface of the module substrate and one or more second communication elements mounted on the second surface of the module substrate; a first heat radiation frame mounted on the first surface of the module substrate and configured to accommodate at least one of the one or more first communication elements; and a second heat radiation frame mounted on the second surface of the module substrate and configured to accommodate at least one of the one or more second communication elements. One or more of the external connection electrodes are disposed around the second heat radiation frame.

An electrical device comprises a printed circuit board, a first contact portion, a second contact portion, a first conductive wall and a second conductive wall. The printed circuit board has a first surface and a second surface, on which the first contact portion and the second contact portion are disposed, respectively. The first conductive wall and the second conductive wall are in electrical contact with the first contact portion and the second contact portion, respectively. The first contact portion and the second contact portion are offset from one another in a direction parallel to at least one of the first surface and the second surface.

A thermal distribution assembly for an electronic device is disclosed. The electronic device includes an enclosure defined by a metal band and a non-metal bottom wall formed by glass, sapphire, or plastic. In this regard, the enclosure may include a relatively low thermal conductivity. However, the thermal distribution assembly provides heat transfer capabilities that offset thermal conductivity losses by using a non-metal bottom wall, and also provides added structural support. The thermal distribution assembly may include a first layer, a second layer, and a third layer. The first and third layers provide structural support, while the second layer provides a relatively high thermally conductive layer. The thermal distribution assembly includes sidewalls engaging and thermally coupling to the metal band, allowing the thermal distribution assembly to draw heat from a heat-generating component, and pass the heat to the metal band while minimizing or preventing temperature increases along the non-metal bottom wall.

A heat dissipation apparatus and electronic device including the same are provided. The heat dissipation apparatus includes a battery area, a heat generation body including a shield can and a PCB on which heat generating components are mounted, an internal support structure disposed adjacent to the heat generation body, and a coil FPCB attached between the internal support structure and the shield can, wherein the internal support structure includes an air volume space configured to block conduction of high-temperature heat produced by the heat generation body and cause thermal radiation and convection.

A camera module comprising: a housing; a lens assembly that is fixed to the housing and comprises at least one lens; a circuit board that is arranged inside the housing and comprises a first circuit board and a second circuit board, on which image sensors arranged to face the lens are mounted, respectively; and a first shield can arranged inside the housing so as to support edges of the first and second circuit boards.

The present disclosure relates to a printed circuit board assembly including a printed circuit board, a first shielding structure located on a first surface of the printed circuit board and having a first extension element extending from the first shielding structure and through a first hole in the printed circuit board, a second shielding structure located on a second surface of the printed circuit board. According to at least one embodiment on the present disclosure, a first contacting element of the first extension element makes a mechanical and electrical contact between the first shielding structure and the second shielding structure in a contact region entirely located outside the first hole from which the first extension element is extending through.

An electronic device includes a printed circuit board (PCB) including a first surface, a second surface facing a direction opposite the first surface, and a side surface surrounding a space between the first surface and the second surface, at least one component disposed on the first surface, a shield can surrounding the at least one component and a partial area of the PCB, and an adhesive that bonds the shield can and the first surface, and that bonds the shield can and the second surface, and at least a portion of the shield can does not bond with the side surface.