Abstract: In a communication device, a heat sink includes a solderable top surface with multiple upward facing swaging protrusions. A spacer is placed on top of the top surface of the heat sink with locating cut-outs on the spacer aligned with the swaging protrusions. A solder pre form is inserted into an opening in the spacer. The solder pre form includes locating features for alignment with the spacer and the swaging protrusions. The spacer is configured to restrict melted flow from the solder pre form to a defined area of the heat sink top surface. A printed circuit board including cut-outs and input and output connections for inserting a radio frequency device and further including locating holes for aligning the printed circuit board with the swaging protrusions is placed on top of the solder pre form and secured to the heat sink prior to a manufacturing process.

Abstract: An electronic system, and a method of manufacture thereof, including: a substrate; an electrical device over the substrate; and a surface mount heat sink next to the electrical device, the surface mount heat sink having an extruded shape characteristic of being formed using an extrusion mechanism.

Abstract: Provided are an insulation sheet and an electronic apparatus using the same. The insulation sheet includes: a radiating layer that spreads and radiates heat generated from a heat generating component of an electronic apparatus; and an insulating layer that suppresses the heat saturated in the radiating layer from being delivered to the outside of the electronic apparatus.

Abstract: A cooling device is provided. The cooling device is equipped with an electronic substrate on which a heating element has been mounted, and comprises a thermal diffusion unit of a plate-like shape. A front surface of the thermal diffusion unit thermally contacts a first circuit mounting surface of the electronic substrate. A rear face of the thermal diffusion unit thermally contacts a second circuit mounting surface of the electronic substrate. And, the thermal diffusion unit diffuses heat from the heating element according to vaporization and condensation principles of a refrigerant sealed therein.

Abstract: A complex heat dissipation assembly for electronic case, which includes: a heat conduction plate assembly composed of multiple electroconductive heat conduction plates, the heat conduction plate assembly having a contact face in contact with a surface of the case; and a heat spreader assembly composed of multiple heat spreaders, which are able to quickly transversely conduct heat. The heat spreaders are disposed between the heat conduction plates in contact therewith. Each heat spreader has a proximal-to-heat-source section and a distal-from-heat-source section. The heat conduction plate assembly and the heat spreader assembly cooperate with each other to complexly conduct and spread the heat of the case in different directions so as to uniformly and quickly dissipate the heat. Accordingly, the heat is prevented from accumulating around the case and the temperature will not locally abnormally rise.

Abstract: A fastening device for a heat sink includes a circuit board, four fasteners, two slide poles, four resilient members, and two wrenches. An electronic component is attached to the circuit board. The protrusions extend up from the circuit board. The fasteners are engaged in the protrusions. The slide poles are located at opposite sides of the electronic component, each slide pole is slidably connected to two of the fasteners. The resilient members are connected to the fasteners. The wrenches are pivotably connected to the heat sink. Each wrench includes a hook. When the wrenches are rotated, the hooks abut against bottoms of the slide poles to bias the slide poles to move up and deform the resilient members. When the wrenches are perpendicular to the circuit board, the slide poles enter the hooks and press down the hooks, the wrenches make the heat sink press the electronic component.

Abstract: An electronic package is fabricated wherein a substrate is provided having three or more layers. A heat slug is embedded completely within the substrate. A die is attached above the substrate. Thermal paths to the heat slug are linked through the ground signal interconnects (traces, vias and planes).

Abstract: A heat sink for cooling a device mounted on a mount board, the heat sink having a plurality of grooves at different heights in a surface opposite a surface in contact with the device.

Abstract: The invention relates to a method for producing a thermally conductive and electrically insulating link between at least one electronic component (2) and a completely or partially metal radiator (5), in which the electronic component (2) and the radiator (5) form part of an assembly (1) also comprising a printed circuit (4) disposed between the electronic component (2) and the radiator (5), said printed circuit (4) comprising at least one metal layer (8, 9) and a metal insert (13). According to the method, at least one metal surface (11, 12, 15, 16, 17) is anodised and the heat from the electronic component (2) is dissipated through said surface to the radiator (5), said metal surface belonging to one of the following: the electronic component (2), the printed circuit (4) or the radiator (5).

Abstract: A low profile heat removal system suitable for removing excess heat generated by a component operating in a compact computing environment is disclosed.

Abstract: A housing or other enclosure used to facilitate fluid cooling of a circuitry of a battery charger, such as but not limited to a battery charger of the type used to facilitate charging a high voltage vehicle battery with AC energy provided from a utility power grid. The housing may include a groove and seal arrangement operable to seal a fluid coolant chamber used to cool the circuitry from leaking fluid during use.

Abstract: A circuit board has a plurality of circuit board layers that are arranged one over the other, and that each include an electrically insulating base material having a glass transition temperature greater than or equal to 170° C. The circuit board layers each further have at least one thermally conductive layer applied to the base material. Several vias extend through respective ones of the circuit board layers to connect thermally conductive layers of different circuit board layers, such that the vias and the thermally conductive layers form a thermally conductive bridge from a topmost circuit board layer to a bottommost circuit board layer.

Abstract: A cooling assembly includes a chassis, a circuit board secured to the chassis, a cooling layer, a cooler secured to the circuit board, and a housing receiving the cooler and the circuit board and secured to the chassis. The housing includes a front plate. The cooling layer is located between the front plate and the cooler. A first surface of the cooling layer is secured to the cooler. A second surface of the cooling layer, opposite to the first surface, is secured to the front plate. The cooling layer transfers heat from the cooler to the housing to cool a heating element on the circuit board.

Abstract: A portable electronic device including a temperature sensor embedded in a die is provided. To process temperature measurements the portable electronic device includes a processor circuit coupled to the temperature sensor, the processor circuit configured to read a measurement from the temperature sensor when an integrated circuit in the die is inactive. Furthermore, a memory circuit coupled to the processor circuit and the temperature sensor stores a temperature gradient provided by the temperature sensor. A Printed Circuit Board for use in a portable electronic device as above is also provided. A method for performing thermal control in a portable electronic device as above is also provided.

Abstract: A control unit, in particular for a motor vehicle, the control unit having a housing, which has at least one heat dissipating area in which at least one electrical and/or electronic module having at least one heat dissipating element is situated, it being provided that the heat dissipating element is heat conductively connected to the heat dissipating area via a heat conducting medium which is introduced into the interior of the housing through at least one housing opening and which has a paste-like consistency, at least when introduced. A corresponding method for manufacturing a control unit is also described.

Abstract: An exemplary electronic device includes a printed circuit board, electronic components mounted on a top surface of the printed circuit board, and a heat dissipation device. The heat dissipation device contacts the electronic components to absorb heat generated from the electronic components and dissipate the heat by natural convection and thermal radiation. The heat dissipation device includes a base plate contacting the electronic components to absorb heat generated therefrom and thermal hairs mounted on a top surface of the base plate. The thermal hairs wave with heated airflow at an inner of the electronic device to dissipate heat transferred from the base plate.

Abstract: A controller including a case provided with at least one opened surface, a cover opening and closing the at least one opened surface, and a circuit board provided within the case and provided with a heating unit. The cover includes a cover body and a heat radiation unit in which at least a portion of the inner surface of the cover body is concave toward the circuit board so as to be closely adhered to the heating unit for the purpose of heat radiation. Thereby, heat within the controller may be effectively radiated and the lifespan of electrical devices may be extended.

Abstract: A thermal interface material (TIM) pad is disclosed for dissipating heat from a component. The TIM pad includes a plurality of thermal interface material layers and at least one graphene layer interposed between the plurality of TIM layers. A method for forming the TIM pad includes stacking the plurality of TIM layers with at least one graphene layer interposed between the plurality of TIM layers to reach a length for the TIM pad. The stacked layers are cut corresponding to a thickness for the TIM pad for compression against the component.

Abstract: Electronic devices having a multi-layer structure that provides enhanced conductivity (thermal and/or electrical conductivity) are disclosed. The multi-layer structure can have a plurality of adjacent layers. At least one layer can primarily provide structural rigidity, and at least another layer can primarily provide enhanced conductivity. The layer of high conductivity can serve to provide the electronic device with greater ability to disperse generated heat and/or to provide an accessible voltage potential (e.g., ground plane). Advantageously, the multi-layer structure can provide enhanced conductivity using an otherwise required structural component and without necessitating an increase in thickness.

Abstract: A printed circuit board assembly (PCBA) is connected to a frame within a passage. The PCBA includes a circuitry package attached to a printed circuit board. The circuitry package has a peripheral edge extending from the printed circuit board to a distal end joined to a cap. A cover is attached to the frame to enclose the PCBA. A thermal interface material (TIM) is disposed between the cover and the PCBA, the TIM defining an opening sized to receivingly engage the circuitry package in a close mating engagement contacting the TIM simultaneously against the cap and the peripheral edge to conduct heat away from the circuitry package. A heat conductor attached to the other side of the printed circuit board in an overlapping opposition to the circuitry package conducts heat away from the printed circuit board that is generated by the circuitry package.

Abstract: An example provides an apparatus including a shielding panel in spaced relation to a substrate such that a heat sink mounted on the substrate protrudes through an opening in the shielding panel. A first airflow path may be provided between the substrate and a first side of the shielding panel, and a second airflow path may be provided on a second side of the shielding panel across a portion of the heat sink protruding through the opening.

Abstract: At least one implementation provides a hold down for an electronic device. The electronic device includes a support frame, a circuit board coupled to the support frame and having at least one component, a thermal pad thermally coupled to the component, and a heat sink associated with the thermal pad. The hold down includes a generally planar portion adapted to be positioned over a surface of the heat sink. The hold down also includes a plurality of connecting structures extending angularly from the generally planar portion. The connecting structures and configured to engage the support frame to cause the hold down to apply the biasing force to retain the thermal pad against at least one of the heat sink or the component when the heat sink and the thermal pad are positioned between the hold down and the support frame. A method is also provided for attaching the hold down.

Abstract: An electronic component package includes: a first insulation layer; an electronic component mounted in one surface of the first insulation layer; a heat sink formed with a cavity corresponding to the electronic component, bonded to the one surface of the first insulation layer to cover the electronic component, and formed with an inset hole and with an inlet hole; an adhesive charged in the cavity; and a circuit pattern formed in another surface of the first insulation layer.

Abstract: To achieve efficient heat spreading and heat releasing by using a metal core of a circuit board, a terminal block includes an insulating block body and terminals. At least one of the terminals is provided with terminal portions for a connection with a circuit board. The terminal portions are inserted into respective through holes of the circuit board, the circuit board having a pattern circuit at a surface layer thereof and a conductive metal core at an intermediate portion in a thickness direction, so that heat of the metal core or of both the metal core and the pattern circuit is absorbed and transferred to the terminals. A bus-bar block includes an insulating block body and several parallel bus-bars with different lengths. Terminal portions at a tip end of the bus-bars are inserted, near heat-generating component on the circuit board, into the through holes of the circuit board.

Abstract: Representative implementations of devices and techniques provide a printed circuit board (PCB) arranged to at least partly surround an electrical component having a plurality of non-coplanar outer surfaces. The PCB is arranged to fold at one or more predetermined boundaries.

Abstract: A shield made from aluminum (AL) or an aluminum-based alloy coated with a solderable plating such as nickel or tin provides thermal improvement over existing shielding materials. The shield for circuitry on a circuit board comprising an aluminum material plated with a solderable material, the shield providing electromagnetic interference and radio frequency interference shielding and heat transfer when positioned over a circuit.

Abstract: A device for selectively clamping an electronic module to a heat sink comprising a frame and a camshaft rotatably attached to the frame. The camshaft comprises at least one cam lobe arranged thereon for selectively applying a clamping force on the electronic module in a direction generally normal to the heat sink.

Abstract: An apparatus includes a base plate including a plurality of depressions, and a power electronics printed circuit board including a plurality traces and a plurality of high voltage components. The plurality of high voltage components is located at a plurality of locations corresponding to the plurality of depressions in the base plate. A plurality of fasteners secures the printed circuit board to the base plate with the plurality of high voltage components received at the corresponding plurality of depressions. A thermally conductive and electrically isolating interface between the base plate and the printed circuit board is made of a gap filler material conforming to the base plate and to the plurality of depressions in the base plate, and conforming to the printed circuit board and to the plurality of high voltage components.

Abstract: An object is to provide an inverter module that can ensure satisfactory anti-vibration strength, moisture resistance, and isolation for each of the upper and lower boards of the inverter module and that can reduce the weight and cost, and to provide an integrated-inverter electric compressor. In an inverter module (21) in which a power system board (23) and a control board (31) are integrated via a resin case (22), the inverter module (21) is configured such that the power system board (23), on which a semiconductor switching device (24) is mounted, is provided at the lower part of the resin case (22) and the control board (31), on which a control-and-communication circuit is mounted, is provided thereabove.

Abstract: A combinational chassis featuring heat dissipation comprises a chassis body, a base plane shell, and a first side shell and a second side shell, of which the two sides connect to each other in the same direction of the base plane shell. A heat dissipation device comprises a plurality of heat-sink parts on the outside surface of chassis body. The heat-sink part comprises a raised portion integrally connected to the inside, and a joint portion connected to the outside. The raised portion integrally protrudes outwards from the outside surface. The joint portion geometrically protrudes from the raised portion. A wedge groove is formed near the joint portions where an inlet groove is formed. The inlet groove connects and communicates with the wedge groove. The chassis may be connected vertically in stack and/or connected horizontally for expansion to expand the computer system for preferably flexible application and optimal heat dissipation.

Abstract: In one embodiment, a printed circuit board (PCB) assembly includes a PCB, the PCB being arranged to define a through-hole therein, the through-hole having a surface, wherein the PCB includes a top surface and a bottom surface. The PCB assembly also includes a slug arrangement and a surface mount component. The slug arrangement is formed from an electrically and thermally conductive material and includes at least a first portion and a second portion. At least a part of the first portion is positioned in the through-hole, and the second portion is coupled to the bottom surface. The surface mount component is positioned over the through-hole and the top surface, and has a first surface configured to contact the first portion.

Abstract: A flexible display module includes a panel having a display unit thereon, and a built-in battery which supplies an internal power source to the panel, for driving the display unit.

Abstract: A drive circuit device includes a circuit board having a multilayer structure, which includes first to fourth circuit conductor layers, and first to third insulating layers; and heat sinks that dissipate heat of the circuit board to an outside. An upper FET state is embedded in the first insulating layer, and a lower FET state is embedded in the second insulating layer. The upper FET and the lower FET are disposed so that a region in which the upper FET is positioned and a region in which the lower FET is positioned overlap each other in a stacking direction. A lead-out portion is formed at a second circuit pattern of the circuit conductor layer, the lead-out portion extending from the circuit board in a direction orthogonal to the stacking direction, and being connected to the heat sinks so that heat is transferred to the heat sinks.

Abstract: A heat dissipating module comprises at least one substrate and a heat dissipating layer. The substrate has a first surface and a second surface. The heat dissipating layer is disposed on the second surface. At least one heat generating device is electrically connected to the first surface, and the heat dissipating module is disposed on a main board uprightly. The heat dissipating module is advantageous for shortening the manufacturing time, raising the efficiency of automated production, decreasing the assembling cost and further achieving high heat dissipating efficiency.

Abstract: The invention provides an electromagnetic shielding for electronic device. The electromagnetic shielding comprises: an opening provided at a position corresponding to the electronic device, through which a heat sink passes to be in contact directly with the electronic device; and at least one elastic arm made of conductive material provided at the circumference of the opening which are extending in a direction away from the shielding to be in a conductive contact with the side surface of the heat sink when the heat sink is mounted in position.

Abstract: Cooling apparatuses and coolant-cooled electronic assemblies are provided which include a thermal transfer structure configured to couple to one or more sides of an electronics card having one or more electronic components to be cooled. The thermal transfer structure includes a thermal spreader coupled to the one side of the electronics card, and the apparatus further includes a coolant-cooled structure disposed adjacent to the socket of the electronic system. The coolant-cooled structure includes: one or more low-profile cold rails sized and configured to thermally couple to the thermal spreader along a bottom edge of the thermal spreader with operative docking of the electronics card within the socket; and one or more coolant-carrying channels associated with the low-profile cold rail(s) for removing heat from the low-profile cold rail(s) to coolant flowing through the coolant-carrying channel(s).

Abstract: An electronic apparatus, such as a lighting fixture, includes a substrate, an electronic device such as a chip-on-board light emitting diode and a thermal interface located between the substrate and the electronic device. The thermal interface includes at least two distinct materials, including a dielectric material and a thermally conductive material. The dielectric material includes a cutout into which the thermally conductive material is located. The dielectric material can completely surround the perimeter of the electronic device or can be located proximate portions of the electronic device that are prone to arcing in order to protect the substrate from arcing. The electronic apparatus operates at a reduced temperature as compared to an electronic apparatus that does not include the thermal interface. Methods for making an electronic apparatus having a thermal interface with a discrete dielectric material and thermally conductive material are also described.

Abstract: First and second electronic devices each include an insulating package embedding a chip of semiconductor material which integrates at least one electronic component. Each insulating package has a mounting surface for mounting the respective electronic device on a substrate and an opposite free surface. A heatsink is fixed to the free surfaces through respective first and second base portions. A connection element is configured to connect the first base portion to the second base portion. The heatsink also includes, for each electronic device, at least one stabilizing element extending from the respective base portion to make contact with a substrate to which the mounting surfaces of the first and second electronic devices are attached.

Abstract: DIMMs to be cooled are mounted in DIMM areas of a printed circuit board of a system board. An air intake port that introduces cooling air is arranged on a side plate of the system board, whereas an air discharge port that discharges the cooling air is arranged on another side plate. The cooling air flows in a direction that is oblique with respect to the side plate. The air intake port is arranged at a position that is offset in the direction in which the cooling air is supplied. Accordingly, cooling is possible by efficiently bringing the cooling air into contact with the DIMMs.

Abstract: A circuit board assembly includes metal plates to be used as conducting medium, an encapsulation enclosing therein the metal plates and provided with holes defined in the encapsulation to allow extension of the metal plates out of the encapsulation for electrical connection and electronic components securely mounted on the encapsulation and electrically connected to the metal plates to form a closed loop.

Abstract: The inner edge of a hole 23 surrounding the outer circumference of a first heat sink 61 includes two edges 23a and 23b that are positioned on opposite sides to each other with the first heat sink 61 therebetween. An upper frame (shield) 20 includes spring portions 24 on one edge 23a, which is in contact with the first heat sink 61 to push the first heat sink 61 toward the other edge 23b. Further, the upper frame 20 includes, the other edge 23b, a position determining portion 25 to which the first heat sink 61 is pressed. According to the above electronic apparatus, it is possible to define the position of a metallic component by a shield covering a circuit board and to cause the metallic component and the shield to be in contact stably.

Abstract: An electronic device comprising an electrically conductive core layer with a first layer composed of electrically conductive material, the first layer being applied on both sides and with at least one electronic component arranged in a cutout of the first layer, wherein the first layer is covered in each case with an electrically insulating, thermally conductive layer and a further layer composed of electrically conductive material is provided in each case on the thermally conductive layer, the further layer being coated in each case with a covering layer composed of electrically conductive material, and furthermore having plated-through boles composed of the material of the covering layer, which extend through the electrically insulating, thermally conductive layer covering the electronic component and the further layer composed of electrically and thermally conductive material for the purpose of making contact with the electronic component.

Abstract: Embodiments of a mechanism of thermal isolation for multiple heat-generating devices on a substrate are described. In one aspect, a substrate is configured for a plurality of heat-generating devices to be disposed thereon. The substrate comprises an electrically-conductive layer that is electrically coupled to the heat-generating devices when the heat-generating devices are disposed on the substrate. The electrically-conductive layer is configured to thermally isolate the heat-generating devices such that there is no thermal coupling through the electrically-conductive layer amongst the heat-generating devices.

Abstract: An integrated appliance is disclosed in the present disclosure. The integrated appliance comprises a backplate and a circuit board. The circuit board comprises a baseplate and an electronic component disposed on the baseplate. The baseplate is fixed to an inner wall of the backplate, and the electronic component is located between the baseplate and the backplate. With the aforesaid arrangement, an uneven surface structure of the backplate itself is utilized in the integrated appliance of the present disclosure to dispose the circuit board on the inner wall of the backplate in such a way that the electronic component on the circuit board is disposed facing towards an inner wall surface of the backplate. As this eliminates the use of the back cover, the structure is simplified and both the mold cost and the material cost associated with the back cover are saved, thus resulting in a reduced manufacturing cost.

Abstract: A cold plate system including, in one embodiment, first and second flow paths extending from a common inlet to a common outlet, wherein the first and second flow paths enable two-phase coolant flow under pressure through micro-channels for cooling heat loads on the cold plate system, first and second orifices disposed in the first flow path on an inlet side of the first flow path, and a third orifice spaced from a fourth orifice, the third and fourth orifices disposed in the second flow path on an inlet side of the second flow path, wherein the first and second orifices in the first flow path and the third and fourth orifices in the second flow path minimize a difference in mass flow rate between the first and second flow paths when the first and second flow paths are exposed to different heat loads.

Abstract: A server includes a chassis, a motherboard, a number of data storage devices, a number of system fans, and a power supply mounted in the chassis. The system fans generate an airflow flowing through the chassis, from a front portion of the chassis to a rear portion of the chassis. The power supply includes a power fan causing an airflow directed rearwards through the front portion of the chassis to prevent a disturbance with the airflow from the system fans.

Abstract: A cooler for a memory module includes heat plates on the sides of the memory module and heat fins extending from the top of the heat plates. The heat fins are optimized according to simulated or actual airflow about the memory module inside an enclosure. The heat fins may curve diagonally outward from the memory module and their free ends may be arranged substantially parallel to the airflow so air flows over their larger lateral surfaces down to the memory module.

Abstract: According to one embodiment, coupling capacitance in a state in which a first heat radiation member is arranged between parallel flat plates of a first capacitor formed by a surface of a housing opposed to one surface of a printed circuit board and the printed circuit board is smaller than coupling capacitance in a state in which an integrally formed object having a relative dielectric constant of 5.8 is arranged between the first capacitor to cover a first radiating region containing the controller and the first nonvolatile semiconductor memories.

Abstract: A compact motor-drive unit wherein each component can be stably fixed to the unit. A motor-drive unit has a plurality of substrates each having a circuit for driving a motor; semiconductor devices mounted on the respective substrates; at least one smoothing capacitor mounted on at least one of the substrates; and a heat radiator having a heat-transferring surface adjacent to the semiconductors. The smoothing capacitor is positioned within a swept area formed by moving the first substrate arranged generally parallel to a base surface, in a counter-front direction, so that the smoothing capacitor is separated from the first substrate.

Abstract: A hold down for an electronic device is provided that includes a bottom frame, a circuit board mounted above the bottom frame, a thermal pad mounted on the circuit board, and a heat sink associated with the thermal pad. The hold down includes a frame that defines a perimeter having a plurality of retainers that are configured to engage with a plurality of mating locations defined on at least a bottom frame to provide a biasing force that retains the heat sink against a circuit board that is positioned between the bottom frame and the hold down.