Electronics assemblies and methods of manufacturing electronics assemblies having improved thermal performance. One example of these electronics assemblies includes a printed circuit board (PCB), an integrated circuit package mounted to the PCB, the integrated circuit packing having a heat generating component, and a heat spreader soldered to the PCB such that the heat spreader is thermally coupled to the heat generating component of the integrated circuit package to dissipate heat generated by the heat generating component.

A display device includes a substrate including a display area and a pad area, a plurality of pad electrodes disposed in the pad area on the substrate, a circuit board disposed to overlap at least a portion of the pad area on the substrate, and an anisotropic conductive layer disposed in the pad area between the substrate and the circuit board. The circuit board includes a base substrate and a plurality of bump electrodes disposed on a lower surface of the base substrate. The anisotropic conductive layer includes an adhesive layer and a plurality of conductive particles arranged in the adhesive layer. Each of the conductive particles includes a core, a first conductive film disposed on the core in a way such that at least a portion of the core is exposed, and a second conductive film entirely covering the core and the first conductive film.

A circuit board includes a magnetic shielding member having a first principal surface, and a second principal surface on an opposite side from the first principal surface, and a flexible wiring board having a first surface, and a second surface on an opposite side from the first surface. The second surface of the flexible wiring board is fixed to the first principal surface and the second principal surface of the magnetic shielding member. The first surface of the flexible wiring board includes a circuit area mounted with an electronic component, and one or more terminal areas where connection terminals are disposed. The circuit area is disposed above the first principal surface of the magnetic shielding member. The circuit board has a bent shape bent along the magnetic shielding member, so that the one or more terminal areas are disposed below the second principal surface of the magnetic shielding member.

Systems and methods for improved interconnections for electronic components using ACAs are provided. The methods involve using magnets specific for each component to be connected and optimized in terms of size and strength and position relative to the substrate and component. Also provided are ovens adapted for use with the methods and systems and kits providing the parts of the system for use with existing ovens.

A pin-aligned magnetic device is provided, which includes a first magnetic core body, a second magnetic core body, and a plurality of conductors. The first magnetic core body is internally disposed with a magnetic element, and the magnetic element is joined to the plurality of conductors. The second magnetic core body covers the plurality of conductors on the first magnetic core body, so that the plurality of conductors is mounted inside the magnetic device and pins thereof are exposed from two lateral sides of the magnetic device, to form a plurality of pins. The foregoing design makes room at the bottom of the magnetic device, thus facilitating space saving and utilization on a PCB board. Moreover, each pin can be in good electrical contact with the board, effectively enhancing product yield on a production line.

The method for separation of metals from electronic cards includes a step of processing the electronic cards in an aqueous medium under supercritical conditions. The method also a later step of crushing solid materials coming from the treatment under supercritical conditions.

The present disclosure relates to the field of fabricating microelectronic packages, wherein magnetic particles distributed within a solder paste may be used to form a magnetic intermetallic compound interconnect. The intermetallic compound interconnect may be exposed to a magnetic field, which can heat a solder material to a reflow temperature for attachment of microelectronic components comprising the microelectronic packages.

A processor receives solder paste information, where the solder paste information describes a solder paste used in assembly of a printed circuit board. A processor determines a minimum magnetic force required for removing the solder paste from the printed circuit board based on the solder paste information. A processor receives electromagnet information, where the electromagnet information describes an electromagnet used in cleaning of a misprint of the solder paste on the printed circuit board. A processor determines a minimum amount of power to provide the electromagnet to induce the minimum magnetic force in the electromagnet, where the determination of the amount of power is based on the electromagnet information and the minimum magnetic force. A processor adjusts an amount of power applied to the electromagnet to at least the determined minimum amount of power to clean the misprint of the solder paste from the printed circuit board.

Systems and methods for improved interconnections for electronic components using ACAs are provided. The methods involve using magnets specific for each component to be connected and optimized in terms of size and strength and position relative to the substrate and component. Also provided are ovens adapted for use with the methods and systems and kits providing the parts of the system for use with existing ovens.

An electronic device may include: a printed circuit board (PCB); a plurality of electronic components electrically connected to the PCB; and a connection member comprising a first portion fixed to one of the PCB and an electronic component and a second portion magnetically connected to the other one of the PCB and the electronic component. The second portion of the connection member may be moveably connected to the first portion. The connection member may further include a stopper, and may be designed to minimize the repulsive force provided by the connection member when excessive pressure is applied to the electronic device.