A power module includes a printed circuit board (PCB), a magnetic element, primary and secondary winding circuits and a regulator. The magnetic element is disposed on the PCB and has first to fourth sides. The second side is opposite to the first side, the fourth side is opposite to the third side. The primary winding circuit is disposed on the PCB and positioned in a vicinity of the first or second side. The secondary winding circuit is disposed on the first PCB and positioned in a vicinity of the third or fourth side. The regulator includes a switch disposed on the PCB, and coupled to the primary winding circuit. The at least one switch, the primary winding circuit, and the magnetic element are arranged in a first direction in order. A power device is also disclosed herein.

Wireless interconnects are shown on flexible cables for communication between computing platforms. One example has an integrated circuit chip, a package substrate to carry the integrated circuit chip, the package substrate having conductive connectors to connect the integrated circuit chip to external components, a cable on the package substrate coupled to the integrated circuit chip at one end, a radio chip on the cable coupled to the cable at the other end, the radio chip to modulate data over a carrier and to transmit the modulated data, and a waveguide transition coupled to a dielectric waveguide to receive the transmitted modulated data from the radio and to couple it into the waveguide, the waveguide to carry the modulated data to an external component.

An assembly includes a first laminate electronic component and a second laminate electronic component. The first laminate electronic component includes a first dielectric layer, at least one first semiconductor die embedded in the first dielectric layer and at least one first contact pad including a first conductive via. The second laminate electronic component includes a second dielectric layer, at least one second semiconductor die embedded in the second dielectric layer and at least one second contact pad including a second conductive via. The first conductive via is electrically coupled to the second conductive via by a common conductive layer.

A manufacturing method of a semiconductor package is provided. The method includes: providing an initial rigid-flexible substrate, wherein the initial rigid-flexible substrate includes rigid structures and a flexible core laterally penetrating through the rigid structures, and further includes a supporting frame connected to the rigid structures; bonding a package structure onto the initial rigid-flexible substrate, wherein the package structure includes semiconductor dies and an encapsulant laterally surrounding the semiconductor dies; and removing the supporting frame.

Passive device assembly for accurate ground plane control is disclosed. A passive device assembly includes a device substrate conductively coupled to a ground plane separation control substrate. A passive device disposed on a lower surface of the device substrate is separated from an embedded ground plane mounted on a lower surface of the ground plane separation control substrate by a separation distance. The separation distance is accurately controlled to minimize undesirable interference that may occur to the passive device. The separation distance is provided inside the passive device assembly. Conductive mounting pads are disposed on the lower surface of the ground plane separation control substrate to support accurate alignment of the passive device assembly on a circuit board. By providing sufficient separation distance inside the passive device assembly, the passive device assembly can be precisely mounted onto any circuit board regardless of specific design and layout of the circuit board.

A component embedded package carrier includes a core layer, at least one electronic component, a first insulating layer, a second insulating layer, a third patterned conductive layer, a fourth patterned conductive layer, a plurality of conductive blind via structures, a first protecting layer and a second protecting layer. The electronic component is disposed inside an opening of the core layer. The first and second insulating layers completely fill the opening and completely encapsulate the electronic component. The conductive blind via structures connect the third and fourth patterned conductive layers with a plurality of conductive through hole structures of the core layer, and connect the third and fourth patterned conductive layers with the electronic component. The first protecting layer covers the third patterned conductive layer and has a first roughness surface. The second protecting layer covers the fourth patterned conductive layer and has a second roughness surface.

IC device assemblies including a power delivery bus board that is mounted to a primary PCB (i.e., motherboard) that further hosts a power-sink device and a power-source device. The bus board, as a secondary PCB, may be surface-mounted on a back side of the primary PCB opposite the power source and sink devices, which are mounted on the front side of the primary PCB. The bus board need only be dimensioned so as to bridge a length between first and second back-side regions of the primary PCB that are further coupled to a portion of the front-side pads employed by the power-sink device. The secondary PCB may be purpose-built for conveying power between the source and sink devices, and include, for example, short, wide traces, that may be formed from multiple heavyweight metallization layers.

Wireless interconnects are shown on flexible cables for communication between computing platforms. One example has an integrated circuit chip, a package substrate to carry the integrated circuit chip, the package substrate having conductive connectors to connect the integrated circuit chip to external components, a cable on the package substrate coupled to the integrated circuit chip at one end, a radio chip on the cable coupled to the cable at the other end, the radio chip to modulate data over a carrier and to transmit the modulated data, and a waveguide transition coupled to a dielectric waveguide to receive the transmitted modulated data from the radio and to couple it into the waveguide, the waveguide to carry the modulated data to an external component.

A manufacturing method of a semiconductor package is provided. The method includes: providing an initial rigid-flexible substrate, wherein the initial rigid-flexible substrate includes rigid structures and a flexible core laterally penetrating through the rigid structures, and further includes a supporting frame connected to the rigid structures; bonding a package structure onto the initial rigid-flexible substrate, wherein the package structure includes semiconductor dies and an encapsulant laterally surrounding the semiconductor dies; and removing the supporting frame.

A circuit board structure includes a first circuit board, a second circuit board and a plurality of first connection portions. The first circuit board has a first opening, and the second circuit board is disposed inside the first opening of the first circuit board. The first circuit board and the second circuit board are electrically independent from each other. The first connection portions are connected to the first circuit board and the second circuit board.