An electromagnetic interference shielding structure is provided. The electromagnetic interference shielding structure includes a shield pad and a shield can. The shield pad is configured to surround at least one circuit element mounted on a printed circuit board, and to be grounded to a ground pad formed on a printed circuit board. The shield can include an upper plate, and a sidewall extending from the upper plate and partly embedded in the shield pad.

A light source module includes at least one light source emitting light, and a body supporting the light source. The body includes a heat sink supporting the light source on a top surface thereof, an electrical insulating part provided on the heat sink, and a plating part provided on the insulating part. The plating part includes a contact heat dissipation part contacting a portion of a bottom surface of the light source to receive heat generated from the light source, and a diffusion heat dissipation part connected to the contact heat dissipation part for receiving heat from the contact heat dissipation part to discharge the heat to the heat sink. Accordingly, quick heat dissipation is performed.

Technologies are described herein for implementing a space-efficient internal energy storage apparatus in a data storage device or other electronic device have a metallic or otherwise electrically-conductive housing or case structure. The energy storage apparatus comprises an interior surface of the metallic housing, a conductive layer disposed parallel to the interior surface of the metallic housing, and a separator disposed between the interior surface and the conductive layer. The metallic housing is configured to act as a first electrode of the energy storage apparatus and the conductive layer is configured to act as an opposing electrode to the first electrode.

An adhesive joint system comprises a circuit board with a distal end and a proximal end mounted on a first side via a tongue and groove connection to a housing. An adhesive is positioned at least in the gap surrounding the tongue, and an electrical component mounted to the distal end on a second side of the circuit board that is opposite the first side. The respective coefficients of thermal expansion (CTE) of the tongue, adhesive, and the material defining the groove are related, such that as heat is applied to the tongue and groove connection, the adhesive is compressed within the gap.

The present disclosure provides semiconductor packages including dummy packages. In some embodiments, the semiconductor package includes a solid-state drive (SSD) device including a printed circuit board including a memory region, a plurality of memory packages disposed on the memory region, and at least one dummy package disposed on the memory region. The at least one dummy package is electrically coupled with the printed circuit board. The at least one dummy package includes a first pad constituting a heat path through which heat of the printed circuit board is dissipated.

A printed circuit board has a copper clad laminate and a plurality of holes. The copper clad laminate for dissipating heats generated from a chip when the chip operates has a plurality of solder paste disposed areas. The plurality of holes situate on the copper clad laminate and each of the holes does not communicate with others, wherein the plurality of holes are nonconductors. Each of the solder paste disposed areas is surrounded by the plurality of holes and each solder paste disposed areas is surrounded by at least two holes.

Methods for mounting a power amplifier (PA) assembly having an extended heat slug (11) are disclosed. According to one aspect, a method includes manufacturing a left side PCB (22a) and a right side PCB (22b). The method further includes sliding the left side PCB and the right side PCB inward (30) to encompass the PA assembly so that one of the left and right side PCB is in a position to contact a drain of the PA (13) and so that the other of the left and right side PCB is in a position to contact a gate of the PA (14).

A multilayer substrate includes a base including insulating layers stacked on one another, a first principal surface, and a second principal surface, a heat transfer member extending through a first insulating layer nearest to the first principal surface, a second coefficient of thermal conductivity of a material of the heat transfer member is higher than a first coefficient of thermal conductivity of a material of the insulating layers, a first metal film adhered to the first principal surface, the first metal film overlapping the heat transfer member when viewed from the layer stacking direction, and a first joining member disposed between the heat transfer member and the first metal film and being made of a material with a coefficient of thermal conductivity which is higher than the first coefficient of thermal conductivity of the material of the insulating layers.

A printed circuit board includes a first thermal pad on a first side of the printed circuit board for a first integrated circuit having a first exposed pad and a second thermal pad on a second side of the printed circuit board for a second integrated circuit having a second exposed pad. The first thermal pad and the second thermal pad overlap at least partially to each other in a direction perpendicular to a plane of the printed circuit board.

An AESA (Active Electronically Scanned Array), including: a PCB (Printed Circuit Board) substrate having an obverse surface; TRMs (Transmit/Receive Modules) disposed on the obverse surface; thermal pedestals wherein each thermal pedestal includes a wall, having a wall height, including wall surfaces and one of the wall surfaces being a contact surface; and a TIM (Thermal Interface Material), having a TIM height, disposed between a respective contact surface of the thermal pedestals and the obverse surface. The thermal pedestals are discrete with respect to one another, the contact surfaces of the thermal pedestals are interspersed about the TRMs, the thermal pedestals do not contact the TRMs, the TIM is electrically and thermally conductive, and the wall height plus the TIM height is sufficient to suppress resonances of the TRMs below a frequency greater than the Tx and Rx frequency bands of the TRMs.