Patent classifications
H05K7/20454
Arrangement and method for electromagnetic shielding
An arrangement for electromagnetic shielding of an electronic component attached to a substrate is described. The arrangement comprises an electrically conductive frame which is attached to the substrate in such a way that the frame frames the component. The arrangement further comprises an electrically conductive covering which is attached at least to a portion of a top side of the component, and which is electrically conductively attached at least to a portion of the frame. Furthermore, a method for electromagnetic shielding of the electronic component attached to the substrate and also a computer program product for carrying out the method are described.
THERMAL MANAGEMENT DEVICES
The present disclosure describes thermal management devices. In one example, a thermal management device can include a processing unit, a thermal grease layer directly contacting the processing unit, and a heat pipe. The heat pipe can include a heat pipe interior volume having a working fluid disposed therein, a first exterior surface directly contacting the thermal grease layer, a second exterior surface opposite from the first exterior surface, and side exterior surfaces connecting the first exterior surface and the second exterior surface. The thermal management device can also include a device cover spaced from the second exterior surface of the heat pipe by a distance from greater than 1 mm to about 5 mm, and a bracket having a clamping portion that holds the heat pipe by the side exterior surfaces of the heat pipe. The clamping portion does not extend past the first exterior surface of the heat pipe.
CIRCUIT CARD ASSEMBLY (CCA) MODULE THERMAL INTERFACE DEVICES
An assembly includes a circuit card assembly (CCA) module including a CCA with heat generating electronic components and a connector electrically connected to the heat generating electronic components. A chassis including an electrical interface is included. The connector of the CCA module is electrically connected to the electrical interface. The chassis includes a removable cover. A heat transfer element is included between the cover of the chassis and an edge of the CCA module for heat sinking heat from the heat generating electronic components through the heat transfer element to the cover of the chassis.
VEHICLE-MOUNTED DEVICE AND VEHICLE
This application discloses a vehicle-mounted device comprising: a first temperature equalization board and a PCB are fastened inside a housing. The first temperature equalization board is close to a first inner wall of the housing. The PCB is close to a second inner wall of the housing. The first inner wall is opposite to the second inner wall. A first protrusion is disposed on a side that is of the first temperature equalization board and that is close to the PCB. A first heat pipe is disposed on a side that is of the first temperature equalization board and that is close to the first inner wall. A first heat emission component is disposed on a side that is of the PCB and that is close to the first temperature equalization board. A position of the first protrusion corresponds to a position of the first heat emission component.
Shielding film including plurality of layers and electronic device using the same
An electronic device and a shielding film are disclosed herein. The electronic device includes a printed circuit board and at least one electrical component mounted on the printed circuit board. The shielding film is disposed on at least a part of the printed circuit board to block electromagnetic waves generated by the printed circuit board and/or the electronic component. The shielding film includes a plurality of layers, and is attached to at least part of the printed circuit board and contacting an upper side surface of the electronic component, wherein at least part of the shielding film includes a nano-conductive fiber and is electrically connected with a ground part of the printed circuit board through the nano-conductive fiber.
POWER SEMICONDUCTOR MODULE AND POWER CONVERTER
The power semiconductor module includes a power semiconductor assembly and a heat transfer member. The power semiconductor assembly includes a circuit board and a case. The circuit board includes an insulating substrate. The second attachment surface to which the heat transfer member is attached is recessed from the first attachment surface to which the heat sink is attached. The maximum recessed distance of the second attachment surface from the first attachment surface is smaller than the original thickness of the heat transfer member, and is greater than the lower limit thickness of the heat transfer member.
HEAT DISSIPATION STRUCTURE, HEAT DISSIPATION COMPONENT AND MOUNTING METHOD THEREFOR, AND FOLDABLE TERMINAL
Disclosed are a heat dissipation structure, a heat dissipation component and a mounting method thereof, and a foldable terminal device. The heat dissipation structure may include: a plurality of elastic heat conduction units; and at least one layer of heat conduction mesh, the heat conduction mesh includes a plurality of interlaced mesh wires, each two interlaced mesh wires are rotatable relative to each other, and the plurality of mesh wires are interlaced to form gaps in which the elastic heat conduction units are arranged.
HEAT TRANSFER DEVICE
A heat transfer device is provided. The heat transfer device includes a first heat conduction sheet and a second heat conduction sheet. The first heat conduction sheet includes two first rigid parts and a first bendable part connected between the two first rigid parts. The second heat conduction sheet includes two second rigid parts and a second bendable part connected between the two second rigid parts. The two first rigid parts are thermally coupled to the two second rigid parts, respectively. The first bendable portion includes a nonlinear section.
System and method for shape memory alloy thermal interface
An apparatus includes a thermally conductive interface assembly including a first component associated with a first interface surface and a second component associated with a second interface surface. The apparatus also includes a shape memory alloy component coupled to the thermally conductive interface assembly and configured to move one or more components of the thermally conductive interface assembly between a first state and a second state based on a temperature of the shape memory alloy component. In the first state, the first interface surface is in physical contact with the second interface surface, and in the second state, a gap is defined between the first interface surface and the second interface surface.
Heat dissipation structure and heat dissipation method
This heat dissipation structure includes: a circuit board; an integrated circuit mounted thereon; a first thermal pad disposed on the surface of the integrated circuit; a heat sink having a first surface that applies pressure to the first thermal pad by sandwiching the first thermal pad together with the surface of the integrated circuit and a second surface facing the first surface; a second thermal pad disposed on the second surface; a heat dissipation casing having a surface that applies pressure to the second thermal pad by sandwiching the second thermal pad together with the second surface; and stud components for pulling up the heat sink from the heat dissipation casing side together with the circuit board such that the second thermal pad is sandwiched and pressurized between the heat dissipation casing and the heat sink.