Abstract:
A multi-layer interposer substrate includes multiple layers of single interposer substrates. Each single interposer substrate has a first array of interposer interconnects, each interposer interconnect in the first array of interposer interconnects corresponding to interconnects in an array of processor interconnects, a second array of interposer interconnects, each interposer interconnect in the second array of the interposer interconnects corresponding to an array of circuit interconnects on a circuit substrate, and at least one conductive trace in the interposer substrate in connection with at least one interconnect in the first array of interposer interconnects. The conductive trace has a parallel portion parallel to the interposer substrate such that no electrical connection exists between the interconnect and a corresponding one of the interposer interconnects in the second array of interposer interconnects. An array of connections for a peripheral circuit on each single interposer is connected to the at least one conductive trace.
Abstract:
A method and apparatus are provided in which a cavity is formed in a support structure, the support structure being operable to support a semiconductor device, disposing at least a portion of a circuit element in the cavity in the support structure, filling the cavity in the support structure with an electrically non-conductive filling material so as to at least partially surround the circuit element with the non-conductive filling material, and electrically connecting the semiconductor device to the circuit element. In an example embodiment, the circuit element is operable to substantially block direct current that is output by the semiconductor device or another semiconductor device.
Abstract:
A circuit structure includes a low-density conductive structure, a high-density conductive structure and a plurality of traces. The high-density conductive structure is disposed over the low-density conductive structure, and defines an opening extending from a top surface of the high-density conductive structure to a bottom surface of the high-density conductive structure. The opening exposes a first pad of the low-density conductive structure and a second pad of the low-density conductive structure. The second pad is spaced apart from the first pad. The traces extend from the top surface of the high-density conductive structure into the opening. The traces include a first trace connecting to the first pad of the low-density conductive structure and a second trace connecting to the second pad of the low-density conductive structure.
Abstract:
A printed circuit board (PCB) is disclosed. The PCB includes a substrate having a plurality of through holes, a plurality of thermally-conductive blocks disposed in the through holes respectively, bonding structures respectively disposed in each through holes, and a metal circuit formed on the substrate. Particularly, the thermally-conductive block is tightly attached to the inner wall of the through hole through the bonding structure. In brief, the bonding structure includes a metal block and metal layers coated on both surfaces of the metal block to replace the conventional adhesive layer made of epoxy resin to tightly fix the thermally-conductive block in the through hole.
Abstract:
Disclosed is a printed circuit board and a manufacturing method for manufacturing the same, the printed circuit board including: a first insulating layer; a through-hole penetrating through the first insulating layer; a via conductor layer disposed in the through-hole, and having first and second groove portions recessed inwardly of the through-hole from an upper surface and a lower surface of the first insulating layer, respectively; a cavity penetrating through at least a portion of the first insulating layer; an electronic component disposed in the cavity; and a second insulating layer covering at least a portion of the first insulating layer, and disposed in at least a portion of each of the through-hole and the cavity.
Abstract:
A multilayer substrate includes a multilayer body including resin layers stacked in a Z-axis direction, a signal conductor layer, and one or more through conductors passing through a first resin layer in the Z-axis direction. A first main surface of the first resin layer includes one or more hollow portions not in contact with the signal conductor layer and overlapping the signal conductor layer when viewed in the Z-axis direction. Each of the one or more hollow portions and the one or more through conductors includes a tapered region in which each of a cross-sectional area of the one or more hollow portions orthogonal to the Z-axis direction and a cross-sectional area of the one or more through conductors orthogonal to the Z-axis direction increases toward the first main surface. The tapered region is in contact with the first main surface of the first resin layer.
Abstract:
A package for an optical module includes a substrate that includes a first wiring layer, a second wiring layer, and a third wiring layer. The package includes a first insulating layer between the first wiring layer and the second wiring layer, the first insulating layer including first vias. The package includes a second insulating layer between the second wiring layer and the third wiring layer, the second insulating layer including second vias and third vias. Each first vias is provided between a corresponding second via and a corresponding third via. The first vias are arranged at a first interval along a first direction. The second vias are arranged at a second interval along the first direction. Each second vias is disposed at an offset by half of the second interval from the corresponding third via.
Abstract:
A multilayer substrate includes layers stacked on each other in an up-down direction of a multilayer body. The layers include a first spacer, a first ground conductive layer above the first spacer, and a signal conductive layer that overlaps the first ground conductive layer and is located below the first spacer. First through-holes pass through the first spacer and are arranged along a first direction. A distance between centroids of first through-holes adjacent to each other in the first direction is uniform or substantially uniform. Sets of first through-holes are provided in the first spacer. Sets of first through-holes are arranged along a second direction. A distance between centroids of first through-holes adjacent to each other in the second direction is uniform or substantially uniform. At least one first through-hole is a first hollow through-hole overlapping the signal conductive layer.
Abstract:
An axial field rotary energy device has a PCB stator panel assembly between rotors with an axis of rotation. Each rotor has a magnet. The PCB stator panel assembly includes PCB panels. Each PCB panel can have layers, and each layer can have conductive coils. The PCB stator panel assembly can have a thermally conductive layer that extends from an inner diameter portion to an outer diameter portion thereof. Each PCB panel comprises discrete, PCB radial segments that are mechanically and electrically coupled together to form the respective PCB panels.
Abstract:
An interposer for an electronic package including at least one angled via. The interposer can include a dielectric layer including a first surface and a second surface. The dielectric layer can include a normal axis perpendicular with the first or second surface. In an example, an angled via can include a first end located along the first surface and a second end located along the second surface. A longitudinal axis of the angled via can be extended between the first end and the second end. The longitudinal axis is disposed at an angle from the normal axis to form an angled via.