A copper/ceramic bonded body includes: a copper member (12) made of copper or a copper alloy; and a ceramic member (11) made of nitrogen-containing ceramics, the copper member (12) and the ceramic member (11) being bonded to each other, in which a Mg solid solution layer in which Mg is solid-soluted in a Cu matrix is formed at a bonding interface between the copper member (12) and the ceramic member (11), an active metal nitride layer (41) containing a nitride of one or more active metals selected from Ti, Zr, Nb, and Hf is formed on a ceramic member (11) side, and a thickness of the active metal nitride layer (41) is set to be in a range of 0.05 μm or more and 1.2 μm or less.

Printed circuit board (PCB) substrates include at least one pre-preg layer interposed between one or more electrically conductive layers, power device stacks, each having a power device embedded within the PCB substrate in a vertical stack configuration, and a flat heat pipe positioned between the power device stacks within the at least one pre-preg layer, one surface of the flat heat pipe directly bonded to a first one of the power device stacks and an opposite surface of the flat heat pipe thermally coupled to a second one of the power device stacks.

A power module including at least one substrate, a housing arranged on the at least one power substrate, a first terminal electrically connected to the at least one power substrate, a second terminal including a contact surface, a third terminal electrically connected to the at least one power substrate, a plurality of power devices arranged on and connected to the at least one power substrate, and the third terminal being electrically connected to at least one of the plurality of power devices. The power module further including a base plate and a plurality of pin fins arranged on the base plate and the plurality of pin fins configured to provide direct cooling for the power module.

A heat dissipation device includes a heat conductor. The heat conductor includes a heat dissipation side and a heat absorption side opposite to each other. The heat absorption side is formed by at least two contact planes. The at least two contact planes are arranged in parallel to each other, and a height difference exists between the at least two contact planes.

A circuit board includes a first outer wiring layer, a circuit substrate, and a second outer wiring layer stacked. The circuit substrate includes a first inner wiring layer, an insulating layer, and a second inner wiring layer stacked. A plurality of thermally conductive pillars is arranged at intervals on the first inner wiring layer, a liquid storage space is formed between every two adjacent thermally conductive pillars, and a thermally conductive agent is received in the liquid storage space. The first outer wiring layer is formed on the plurality of thermally conductive pillars. The second outer wiring layer is formed the second inner wiring layer. A first groove penetrates the second outer wiring layer, the second inner wiring layer and the insulating layer, exposes a portion of the first inner wiring layer, and corresponds to the thermally conductive pillars. At least one heating element is installed in the first groove.

An integrated circuit package may be formed having a heat transfer fluid chamber, wherein the heat transfer fluid chamber may be positioned to allow a heat transfer fluid to directly contact an integrated circuit device within the integrated circuit package. In one embodiment, a first surface of the integrated circuit device may be electrically attached to a first substrate. The first substrate may then may be electrically attached to a second substrate, such that the integrated circuit device is between the first substrate and the second substrate. The second substrate may include a cavity, wherein the heat transfer fluid chamber may be formed between a second surface of the integrated circuit device and the cavity of the second substrate. Thus, at least a portion of a second surface of the integrated circuit device is exposed to the heat transfer fluid which flows into the heat transfer fluid chamber.

A method of manufacturing a driver board assembly includes embedding one or more power device assemblies within a first PCB material layer, forming one or more cooling channels within a surface of the first PCB material layer such that the one more cooling channels extend proximate to the one or more power device assemblies, forming a plurality of thermally conductive vias extending between a surface of the one or more power device assemblies and the one or more cooling channels, and bonding a second PCB material layer to the first PCB material layer to enclose the one or more cooling channels between the first PCB material layer and the second PCB material layer.

An electronic assembly may include a chassis, and electronic modules mounted within the chassis. Each electronic module may include a printed circuit substrate, heat-generating electronic components mounted on the printed circuit substrate, and a heat sink body mounted to the printed circuit substrate and having a plurality of heat pipe receiving passageways extending between opposing side edges and overlying corresponding heat-generating components. A respective elongate, passive, heat pipe may extend within each heat pipe receiving passageway and be removably fastened to at least one end to the heat sink body for enhanced conductive heat transport.

In an electronic device, a circuit board connects different systems or structures such that heat of a system with a relatively large amount of heat can be transferred to a position or a heat dissipation structure with a relatively small amount of heat, thereby mitigating local high temperatures in the electronic device and distributing heat more evenly throughout the electronic device.

A component carrier includes a carrier body formed of a plurality of electrically conductive layer structures and/or electrically insulating layer structures, a metal surface structure coupled to the layer structures and a metal body directly on the metal surface structure formed by additive manufacturing.