A method for forming a packaged electronic device includes providing a substrate having a first major surface and an opposing second major surface. The method includes attaching an electronic device to the first major surface of the substrate and providing a first conductive structure coupled to at least a first portion of the substrate. The method includes forming a dielectric layer overlying at least part of the first conductive structure. The method includes forming a conductive layer overlying the dielectric layer and connected to a second portion of the substrate. The first conductive structure, the dielectric layer, and conductive layer are configured as a capacitor structure and further configured as one or more of an enclosure structure or a stiffener structure for the packaged electronic device.

An interposer includes a base layer having a first surface and a second surface, a redistribution structure on the first surface, an interposer protection layer on the second surface, a pad wiring layer on the interposer protection layer, an interposer through electrode passing through the base layer and the interposer protection layer and electrically connecting the redistribution structure to the pad wiring layer, an interposer connection terminal attached to the pad wiring layer, and a wiring protection layer including a first portion covering a portion of the interposer protection layer adjacent to the pad wiring layer, a second portion covering a portion of a top surface of the pad wiring layer, and a third portion covering a side surface of the pad wiring layer. The third portion is disposed between the first portion and the second portion. The first to third portions have thicknesses different from each other.

A quantum computing system that includes a quantum circuit device having at least one operating frequency; a first substrate having a first surface on which the quantum circuit device is disposed; a second substrate having a first surface that defines a recess of the second substrate, the first and second substrates being arranged such that the recess of the second substrate forms an enclosure that houses the quantum circuit device; and an electrically conducting layer that covers at least a portion of the recess of the second substrate.

A semiconductor device including a substrate, a semiconductor package, a thermal conductive bonding layer, and a lid is provided. The semiconductor package is disposed on the substrate. The thermal conductive bonding layer is disposed on the semiconductor package. The lid is attached to the thermal conductive bonding layer and covers the semiconductor package to prevent coolant from contacting the semiconductor package.

A semiconductor package is disclosed. The package includes a sensor die which is disposed on a package substrate. A cover structure is attached to a cover adhesive surrounding the sensor die, forming a cavity above the sensor die. The cover structure includes a primary cover structure and a secondary cover structure surrounding the primary cover structure. The secondary cover structure is configured to protect the primary cover structure from damage during packaging. The package also includes an encapsulant. The encapsulant covers side surfaces of the cover structure, sides of the cover adhesive, and exposed portions of the package substrate, leaving the first major cover surface exposed.

An interconnect for a semiconductor device includes a laminate substrate; a first plurality of electrical devices in or on a surface of the laminate substrate; a redistribution layer having a surface disposed on the surface of the laminate substrate; a second plurality of electrical devices in or on the surface of the redistribution layer; and a plurality of transmission lines between the first plurality of electrical devices and the second plurality of electrical devices. The surface of the laminate substrate and the surface of the redistribution layer are parallel to each other to form a dielectric structure and a conductor structure.

According to various aspects, exemplary embodiments are disclosed of thermal interface materials, electronic devices, and methods for establishing thermal joints between heat spreaders or lids and heat sources. In exemplary embodiments, a method of establishing a thermal joint for conducting heat between a heat spreader and a heat source of an electronic device generally includes positioning a thermal interface material (TIM1) between the heat spreader and the heat source.

A semiconductor package includes a semiconductor chip disposed over a first main surface of a first substrate, a package lid disposed over the semiconductor chip, and spacers extending from the package lid through corresponding holes in the first substrate. The spacers enter the holes at a first main surface of the first substrate and extend beyond an opposing second main surface of the first substrate.

A semiconductor device including a package, a lid and a thermal interface material is provided. The package includes a packaging substrate, semiconductor dies and an insulating encapsulation, wherein the semiconductor dies are disposed on and electrically connected to the packaging substrate, and the insulating encapsulation encapsulates the semiconductor dies. The lid is disposed on the packaging substrate, the lid includes a cover portion and foot portion extending from the cover portion to the packaging substrate, wherein the cover portion covers the semiconductor dies and the insulating encapsulation, the foot portion includes foot segments laterally spaced apart from one another, and the foot segments are attached to the packaging substrate. The cover portion of the lid is attached to the package through the thermal interface material.

A semiconductor package includes a wiring board including at least one pair of connection structures electrically connecting at least one pair of differential signal transmission lines and at least one pair of differential signal transmission terminals, respectively. The at least one pair of connection structures includes first via structures staggered in a vertical direction, at least one first connection line electrically connecting the first via structures, second via structures staggered in the vertical direction, and at least one second connection line electrically connecting the second via structures. The at least one first connection line is spaced apart from the at least one second connection line in the vertical direction and electrically insulated therefrom, and intersects the at least one second connection line in the vertical direction.