H05K2201/10416

METHOD FOR PRODUCING A PRINTED CIRCUIT BOARD USING A MOULD FOR CONDUCTOR ELEMENTS
20210029831 · 2021-01-28 ·

A method is provided for producing a printed circuit board including at least one conductor element, which extends between connection points in the printed circuit board. In order to increase the productivity of a known method for producing a printed circuit board including at least one conductor element, which extends between connection points in the printed circuit board, the method comprises the following steps: Step A: providing a mold having at least one receptacle for a conductor element; Step B: arranging a conductor element in the receptacle of the mold; Step C: connecting the conductor element arranged in the receptacle of the mold to an electrically conductive sheetlike element at positions of the intended connection points; Step D: embedding the conductor element, which is connected to the electrically conductive sheetlike element, into insulating material; and Step E: working out the connection points from the electrically conductive sheetlike element.

Heat dissipation substrate, heat dissipation circuit structure body, and method for manufacturing the same

A heat dissipation substrate is disclosed including a base substrate having a first surface and a second surface, an electrically conductive path formed on the first surface, a through-hole penetrating from the first surface to the second surface, a heat dissipation member that is inserted into the through-hole and at least a part of which projects from the first surface, a thermally conductive resin constituent, covering a side surface of the heat dissipation member, that is present, without space, between an inner peripheral surface of the through-hole and an outer peripheral surface of the heat dissipation member surrounded by the inner peripheral surface, and a metal layer covering the heat dissipation member projecting from the first surface, in which an outer surface of the metal layer and an outer surface of the electrically conductive path are disposed on substantially the same plane.

Circuit board and optical module having such circuit board

A circuit board includes an upper surface, a lower surface, a first end surface connecting the upper surface and lower surface, and a heat dissipation block. The first end surface of the circuit board has an open slot, the open slot extending through the upper surface and lower surface, and the heat dissipation block being arranged inside the open slot. The heat dissipation block has a first surface, the first surface facing away from the lower surface of the circuit board and extending to the first end surface of the circuit board. The inside of the open slot has a stop structure, the stop structure preventing the heat dissipation block from moving toward the first end surface of the circuit board.

Conductive member, circuit assembly, and method for manufacturing conductive member

Provided is a conductive member including a busbar having a through hole, and a metal member fixed to the busbar, the metal member including a shaft portion passed through the through hole, and a first head portion at one end portion of the shaft portion, the first head portion having an outer diameter larger than the diameter of the through hole. Since the metal member includes the first head portion, it is possible to increase the heat capacity of the metal member as compared with that achieved with a conventional conductive member that does not include the first head portion. Accordingly, it is possible to further increase the heat dissipation of the conductive member using a simple configuration.

Reel-to-reel slug removal methods and devices in FPC fabrication
10842025 · 2020-11-17 · ·

A method to remove slugs from a circuitry pattern on the fly during the fabrication of a flexible printed circuit, the method includes applying a coverlay reel-to-reel onto one side of the metal foil on the fly and applying a sacrificial liner reel-to-reel onto another side of the metal foil on the fly. Then, after the slugs and circuitry patterns are created from laser ablation, the slug can be removed by applying compressed air to the slugs and/or peeling off the sacrificial liner from the circuitry pattern reel-to-reel.

CIRCUIT BOARD HEAT SINK STRUCTURE AND METHOD THEREFOR

A circuit board heat sink structure having a circuit board and comprising a metallic heat sink, wherein the circuit board has a metal substrate, an insulation layer and a conductor layer, and the wherein the circuit board is arranged on the heat sink in such a way that the metal substrate contacts a locating face of the heat sink. At least one heat transition point is formed between the heat sink and the metal substrate, which provides a defined metallic contact between the material of the heat sink and the material of the metal substrate. A method is also provided for forming the circuit board heat sink structure.

Power stage device with carrier frame for power stage module and integrated inductor
10818646 · 2020-10-27 · ·

A power device includes a frame having an electrically insulative material, an opening in the electrically insulative material, and an electrical conductor extending through the electrically insulative material. A power stage module fixed in the opening has an output terminal at a first side of the power stage module, and a power terminal, a ground terminal and a plurality of input/output (I/O) terminals at a second side of the power stage module opposite the first side. A passive component has a first terminal attached to the output terminal of the power stage module and a second terminal attached to the electrical conductor of the frame. The passive component has a larger footprint than the power stage module. The frame expands the footprint of the power stage module to accommodate mounting of the passive component to the power device. The frame has a lower interconnect density than the power stage module.

Multilayer substrate, electronic device, and a method for manufacturing a multilayer substrate

A multilayer substrate includes a base including insulating layers stacked on one another, a first principal surface, and a second principal surface, a heat transfer member extending through a first insulating layer nearest to the first principal surface, a second coefficient of thermal conductivity of a material of the heat transfer member is higher than a first coefficient of thermal conductivity of a material of the insulating layers, a first metal film adhered to the first principal surface, the first metal film overlapping the heat transfer member when viewed from the layer stacking direction, and a first joining member disposed between the heat transfer member and the first metal film and being made of a material with a coefficient of thermal conductivity which is higher than the first coefficient of thermal conductivity of the material of the insulating layers.

Systems and Methods Providing High-Density Memory Arrangements with High-Speed Interconnects in a Condensed Form Factor
20240015890 · 2024-01-11 · ·

A high-density memory system includes at least one memory-dense compute unit with a printed circuit board (PCB) having a half-width one rack unit (1U) form factor, more than 20 memory module slots arranged depth-wise from a front to a rear of the PCB with a horizontal orientation that is parallel to the half-width 1U form factor, at least one processor positioned in between the memory module slots, a dripless connector with a first port that receives a cooling solution from a manifold of a cooling unit and a second port that returns the cooling solution into the manifold, tubing that extends the full length of the PCB from the first port past the memory module slots and the at least one processor and back to the second port, and cooling blocks that are located in between the memory module slots and that are connected to the tubing.

Interposer-Type Component Carrier and Method of Manufacturing the Same
20200303313 · 2020-09-24 ·

An interposer-type component carrier includes a stack comprising at least one electrically conductive layer structure and at least one electrically insulating layer structure; a cavity formed in an upper portion of the stack; an active component embedded in the cavity and having at least one terminal facing upwards; and a redistribution structure having only one electrically insulating layer structure above the component. A method of manufacturing an interposer-type component carrier is also disclosed.