Disclosed herein are shielded interconnects, as well as related methods, assemblies, and devices. In some embodiments, a shielded interconnect may be included in a quantum computing (QC) assembly. For example, a QC assembly may include a quantum processing die; a control die; and a flexible interconnect electrically coupling the quantum processing die and the control die, wherein the flexible interconnect includes a plurality of transmission lines and a shield structure to mitigate cross-talk between the transmission lines.

A sensor device includes a printed circuit board (PCB) substrate having a top surface, a bottom surface, a slot between the top and bottom surfaces, and two holes through the top surface and reaching into the slot. The sensor device further includes a sensor chip mounted on the top surface of the PCB substrate and above one of the two holes. The sensor device further includes a molding compound covering the sensor chip and sidewall surfaces and the top surface of the PCB substrate.

An apparatus is provided. There is a circuit assembly with a package substrate and an integrated circuit (IC). The package substrate has a microstrip line, and the IC is secured to the package substrate and is electrically coupled to the microstrip line. A circuit board is also secured to the package substrate. A dielectric waveguide is secured to the circuit board. The dielectric waveguide has a dielectric core that extends into a transition region located between the dielectric waveguide and the microstrip line, and the microstrip line is configured to form a communication link with the dielectric waveguide.

Disclosed herein are shielded interconnects, as well as related methods, assemblies, and devices. In some embodiments, a shielded interconnect may be included in a quantum computing (QC) assembly. For example, a QC assembly may include a quantum processing die; a control die; and a flexible interconnect electrically coupling the quantum processing die and the control die, wherein the flexible interconnect includes a plurality of transmission lines and a shield structure to mitigate cross-talk between the transmission lines.

A sensor device includes a printed circuit board (PCB) substrate having a top surface, a bottom surface, a slot between the top and bottom surfaces, and two holes through the top surface and reaching into the slot. The sensor device further includes a sensor chip mounted on the top surface of the PCB substrate and above one of the two holes. The sensor device further includes a molding compound covering the sensor chip and sidewall surfaces and the top surface of the PCB substrate.

The present invention relates to the fabrication of complicated electronic and/or mechanical structures and devices and components using homogeneous or heterogeneous 3D additive build processes. In particular the invention relates to selective metallization processes including electroless and/or electrolytic metallization.

Embodiments of the invention include a waveguide structure that includes a lower member, at least one sidewall member coupled to the lower member, and an upper member. The lower member, the at least one sidewall member, and the upper member include at least one conductive layer to form a cavity in a substrate for allowing communications between devices that are coupled or attached to the substrate.

Embodiments include package structures having integrated waveguides to enable high data rate communication between package components. For example, a package structure includes a package substrate having an integrated waveguide, and first and second integrated circuit chips mounted to the package substrate. The first integrated circuit chip is coupled to the integrated waveguide using a first transmission line to waveguide transition, and the second integrated circuit chip is coupled to the integrated waveguide using a second transmission line to waveguide transition. The first and second integrated circuit chips are configured to communicate by transmitting signals using the integrated waveguide within the package carrier.

Embodiments include package structures having integrated waveguides to enable high data rate communication between package components. For example, a package structure includes a package substrate having an integrated waveguide, and first and second integrated circuit chips mounted to the package substrate. The first integrated circuit chip is coupled to the integrated waveguide using a first transmission line to waveguide transition, and the second integrated circuit chip is coupled to the integrated waveguide using a second transmission line to waveguide transition. The first and second integrated circuit chips are configured to communicate by transmitting signals using the integrated waveguide within the package carrier.

An evacuated core circuit board (10) for dissipating heat from a heat generating electronic component, the evacuated core circuit board comprising: at least one circuit layer (12) to which the heat generating electronic component (14) is electronically coupled; a base layer (16) a comprising a body structure (19) having a substantially hollow interior (20); and a dielectric layer (18) provided between at least a portion of the circuit layer (12) and the base layer (16), wherein the hollow interior (20) is at least partially evacuated.