H05K2201/10719

SEMICONDUCTOR DEVICES WITH FLEXIBLE CONNECTOR ARRAY
20220285281 · 2022-09-08 ·

A semiconductor device includes an array of flexible connectors configured to mitigate thermomechanical stresses. In one embodiment, a semiconductor assembly includes a substrate coupled to an array of flexible connectors. Each flexible connector can be transformed between a resting configuration and a loaded configuration. Each flexible connector includes a conductive wire electrically coupled to the substrate and a support material at least partially surrounding the conductive wire. The conductive wire has a first shape when the flexible connector is in the resting configuration and a second, different shape when the flexible connector is in the loaded configuration. The first shape includes at least two apices spaced apart from each other in a vertical dimension by a first distance, and the second shape includes the two apices spaced apart from each other in the vertical dimension by a second distance different than the first distance.

ELECTRONIC COMPONENT PACKAGE BODY, ELECTRONIC COMPONENT ASSEMBLY STRUCTURE, AND ELECTRONIC DEVICE
20220256709 · 2022-08-11 ·

Embodiments of this application disclose an electronic component package body, an electronic component assembly structure, and an electronic device. The electronic component assembly structure includes: an electronic component package body, where the electronic component package body includes a substrate, an electronic component, and a pin; the electronic component is packaged inside the substrate, and the pin is electrically connected to the electronic component; the pin includes a first part embedded in the substrate, and a second part protruding from the substrate; the second part includes a bottom surface and a side surface, the bottom surface is an outer surface that is of the pin and that is away from the substrate, and the side surface is connected between the bottom surface and the substrate. In this application, reliability of soldering between the electronic component package body and the circuit board is relatively high.

Magnetic matrix connector for high density, soft neural interface

A soft neural interface connector apparatus includes a PCB having a two-dimensional array of solder balls, a transparent top board, a cushioning layer on one side of the transparent top board, and a soft neural interface including a flexible and/or stretchable microelectrode array (MEA) through which neural signals are obtained or delivered. The MEA includes a two-dimensional array of contact pads corresponding to the array of solder balls. The PCB, the transparent top board, the cushioning layer, and the MEA are stacked together such that the MEA is between the cushioning layer and the PCB, and the contact pads are aligned with and in electrical contact with associated solder balls. A magnetic connector system having at least one magnetic connector component on the transparent top board is magnetically connected with at least one magnetic connector component on the PCB to press the contact pads and associated solder balls together.

Server microprocessor carrier with guiding alignment anti-tilt and automatic thermal interface material separation features for use in land grid array sockets

A microprocessor carrier, comprising a frame comprising a metal. The first frame surrounds an aperture for receiving a microprocessor package. At least one hinge assembly is on a first frame edge, and at least one latch assembly is on a second frame edge. One or more alignment tabs coupled to the frame. The one or more alignment tabs extend orthogonally from at least one frame edge. The alignment tabs are to align the microprocessor package with a microprocessor socket. The hinge assembly and the latch assembly are to engage with a microprocessor loading mechanism coupled to a printed circuit board.

Selective ground flood around reduced land pad on package base layer to enable high speed land grid array (LGA) socket

Embodiments include a transmission line-land grid array (TL-LGA) socket assembly, a TL-LGA socket, and a package substrate. The TL-LGA socket assembly includes a TL-LGA socket having an interconnect in a housing body, the interconnect includes a vertical portion and a horizontal portion. The housing body has a top surface and a bottom surface, where the top surface is a conductive layer. The TL-LGA socket assembly also includes a package substrate having a base layer having a signal pad and a ground strip. The base layer is above the conductive layer of the housing body of the TL-LGA socket. The ground strip is above the horizontal portion of the interconnect and adjacent to the signal pad. The horizontal portion is coupled to the signal pad on the base layer. The package substrate may have a pad with a reduced pad area.

Liquid metal infiltration rework of electronic assembly

Provided is a method for removing an electronic socket from a printed wiring board. The method comprises placing an embrittlement sheet over an electronic socket on a printed wiring board. The electronic socket is mounted to the printed wiring board using a plurality of hidden solder joints. The method further comprises causing the embrittlement sheet to melt. The melted embrittlement sheet wets the plurality of hidden solder joints. The electronic socket is removed from the printed wiring board by breaking the embrittled solder joints.

STEPPED PACKAGE AND RECESSED CIRCUIT BOARD

An apparatus comprising a package comprising a first side to interface with at least one chip; and a second side to interface with a circuit board, the second side opposite to the first side, wherein the second side comprises a non-stepped portion comprising a first plurality of conductive contacts; and a stepped portion that protrudes from the non-stepped portion, the stepped portion comprising a second plurality of conductive contacts.

Solderable circuit board module system
11297715 · 2022-04-05 · ·

A solderable circuit board module system includes at least a first solderable circuit board module and a second solderable circuit board module, wherein the first solderable circuit board module has a first module circuit board having a top side and an underside provided for placement on a motherboard, wherein on the underside of the first module circuit board, solder connection contacts are arranged in a first frame-shaped contact region around a central middle section, which is free of connection contacts. The second solderable circuit board module has additional solder connection contacts, which form an outer frame around the first frame-shaped contact region, as a second group.

CHIP ASSEMBLIES
20220078914 · 2022-03-10 ·

A chip assembly may include a package substrate that includes one or more pins. The chip assembly may also include one or more pads. The one or more pads may be electrically coupled to the one or more pins. In addition, the chip assembly may include a board that includes one or more board pads. Further, the chip assembly may include an anisotropic layer. The anisotropic layer may be positioned between the board and the one or more pads and between the board and a portion of the package substrate. In addition, the anisotropic layer may mechanically couple the board to the one or more pads and to the portion of the package substrate. Further, the anisotropic layer may electrically couple the one or more pads to the one or more board pads.

METHOD FOR PRODUCING A CIRCUIT BOARD ARRANGEMENT, AND CIRCUIT BOARD ARRANGEMENT
20210329793 · 2021-10-21 ·

A method for producing a circuit board arrangement includes: providing a first circuit board substrate, providing a second circuit board substrate, arranged substantially planar-parallel to the first circuit board substrate, the first circuit board substrate having an underside and the second circuit board substrate having an upper face, the upper face and the underside being arranged opposite one another, providing first terminal contacts, applied to the underside of the first circuit board substrate, providing second terminal contacts, applied to the upper face of the second circuit board substrate, applying solder paste cylinders to the first terminal contacts, the solder paste cylinders applied to the first terminal contacts by a solder-paste application process with solder paste, the applied solder paste cylinders having in each case a solder-paste-cylinder upper face, and arranging the second terminal contacts of the second circuit board substrate on the solder-paste-cylinder upper faces of the solder paste cylinders.