Abstract: Apparatuses, systems and methods associated with a substrate assembly with an encapsulated magnetic feature for an inductor are disclosed herein. In embodiments, a substrate assembly may include a base substrate, a magnetic feature encapsulated within the base substrate, and a coil, wherein a portion of the coil extends through the magnetic feature. Other embodiments may be described and/or claimed.

Abstract: Embodiments include an electronic package that includes a first layer that comprises a dielectric material and a second layer over the first layer, where the second layer comprises a magnetic material. In an embodiment, a third layer is formed over the second layer, where the third layer comprises a dielectric material. In an embodiment, the third layer entirely covers a first surface of the second layer. In an embodiment a first conductive layer and a second conductive layer are embedded within the second layer. In an embodiment, sidewalls of the first conductive layer and the second conductive layer are substantially vertical.

Abstract: Embodiments include an inductor that comprises an inductor trace and a magnetic body surrounding the inductor trace. In an embodiment, the magnetic body comprises a first step surface and a second step surface. Additional embodiments include an inductor that includes a barrier layer. In an embodiment, an inductor trace is formed over a first surface of the barrier layer. Embodiments include a first magnetic body over the inductor trace and the first surface of the barrier layer, and a second magnetic body over a second surface of the barrier layer opposite the first surface. In an embodiment, a width of the second magnetic body is greater than a width of the first magnetic body.

Abstract: Apparatuses, systems and methods associated with a substrate assembly with an encapsulated magnetic feature for an inductor are disclosed herein. In embodiments, a substrate assembly may include a base substrate, a magnetic feature encapsulated within the base substrate, and a coil, wherein a portion of the coil extends through the magnetic feature. Other embodiments may be described and/or claimed.

Abstract: Embodiments include an electronic package that includes a first layer that comprises a dielectric material and a second layer over the first layer, where the second layer comprises a magnetic material. In an embodiment, a third layer is formed over the second layer, where the third layer comprises a dielectric material. In an embodiment, the third layer entirely covers a first surface of the second layer. In an embodiment a first conductive layer and a second conductive layer are embedded within the second layer. In an embodiment, sidewalls of the first conductive layer and the second conductive layer are substantially vertical.

Abstract: Methods/structures of forming in-package inductor structures are described. Embodiments include a substrate including a dielectric material, the substrate having a first side and a second side. A conductive trace is located within the dielectric material. A first layer is on a first side of the conductive trace, wherein the first layer comprises an electroplated magnetic material, and wherein a sidewall of the first layer is adjacent the dielectric material. A second layer is on a second side of the conductive trace, wherein the second layer comprises the electroplated magnetic material, and wherein a sidewall of the second layer is adjacent the dielectric material.

Abstract: Embodiments disclosed herein include electronic packages and methods of forming such structures. In an embodiment, an electronic package comprises a package substrate, a first die over the package substrate, and a second die over the package substrate. In an embodiment, the electronic package further comprises an optical waveguide on the package substrate. In an embodiment, a first end of the optical waveguide is below the first die and a second end of the optical waveguide is below the second die. In an embodiment, the optical waveguide communicatively couples the first die to the second die.

Abstract: Embodiments disclosed herein include optical systems with Faraday rotators in order to enhance efficiency. In an embodiment, a photonics package comprises an interposer and a patch over the interposer. In an embodiment, the patch overhangs an edge of the interposer. In an embodiment, the photonics package further comprises a photonics die on the patch and a Faraday rotator passing through a thickness of the patch. In an embodiment, the Faraday rotator is below the photonics die.

Abstract: Disclosed herein are microelectronic structures including glass cores, as well as related assemblies and methods. In some embodiments, a microelectronic structure may include a glass core having through-glass vias (TGVs) therein; a metallization region at a first face of the glass core, wherein a conductive pathway in the first metallization region is conductively coupled to at least one of the TGVs; a bridge component in the metallization region; a first conductive contact at a face of the metallization region, wherein the first conductive contact is conductively coupled to the conductive pathway; and a second conductive contact at the face of the metallization region, wherein the second conductive contact is conductively coupled to the bridge component.

Abstract: Techniques for fabricating a semiconductor package having magnetic materials embedded therein are described. For one technique, fabrication of package includes: forming a pad and a conductive line on a build-up layer; forming a raised pad structure on the build-up layer, the raised pad comprising a pillar structure on the pad; encapsulating the conductive line and the raised pad structure in a magnetic film comprising one or more magnetic fillers; planarizing a top surface of the magnetic film until top surfaces of the raised pad structure and the magnetic film are co-planar; depositing a primer layer on the top surfaces; removing one or more portions of the primer layer above the raised pad structure to create an opening; and forming a via in the opening on the raised pad structure. The primer layer may comprise one or more of a build-up layer, a photoimageable dielectric layer, and a metal mask.

Abstract: Embodiments disclosed herein include optical packages. In an embodiment, an optical package comprises a package substrate, and a photonics die coupled to the package substrate. In an embodiment, a compute die is coupled to the package substrate, where the photonics die is communicatively coupled to the compute die by a bridge in the package substrate. In an embodiment, the optical package further comprises an optical waveguide embedded in the package substrate. In an embodiment, a first end of the optical waveguide is below the photonics die, and a second end of the optical waveguide is substantially coplanar with an edge of the package substrate.

Abstract: Methods/structures of forming in-package inductor structures are described. Embodiments include a substrate including a dielectric material, the substrate having a first side and a second side. A conductive trace is located within the dielectric material. A first layer is on a first side of the conductive trace, wherein the first layer comprises an electroplated magnetic material, and wherein a sidewall of the first layer is adjacent the dielectric material. A second layer is on a second side of the conductive trace, wherein the second layer comprises the electroplated magnetic material, and wherein a sidewall of the second layer is adjacent the dielectric material.

Abstract: Methods/structures of forming embedded inductor structures are described. Embodiments include forming a first interconnect structure on a dielectric material of a substrate, selectively forming a magnetic material on a surface of the first interconnect structure, forming an opening in the magnetic material, and forming a second interconnect structure in the opening. Build up layers are then formed on the magnetic material.

Abstract: An electronic structure may be fabricated comprising an electronic substrate having at least one photo-imageable dielectric layer and an inductor embedded in the electronic substrate, wherein the inductor comprises a magnetic material layer disposed within a via formed in the at least one photo-imageable dielectric layer and an electrically conductive via extending through the magnetic material layer. The electronic structure may further include an integrated circuit device attached to the electronic substrate and the electronic substrate may further be attached to a board, such as a motherboard.

Abstract: An electronic substrate may be fabricated by forming a base substrate and forming an inductor extending through the base substrate, wherein the inductor includes a magnetic material layer and a barrier layer, such that the barrier layer prevents the magnetic material layer from leaching into plating solutions during the fabrication of the electronic substrate. In one embodiment, the barrier material may comprise titanium. In another embodiment, the barrier layer may comprise a polymeric material. In still another embodiment, the barrier layer may comprise a nitride material layer. The inductor may further include a plating seed layer on the barrier layer and a conductive fill material abutting the plating seed layer.

Abstract: Embodiments disclosed herein include magnetic structures and methods of forming such structures. In an embodiment, the magnetic structure includes an interconnect. In an embodiment, the interconnect comprises a core, where the core has a thickness and a length between a first end and a second end. In an embodiment, the core is conductive. In an embodiment, the interconnect further comprises a magnetic sheet surrounding the core. In an embodiment, the magnetic sheet comprises is a magnetic layer with a microstructure that comprises grains that are substantially aligned in a single direction.

Abstract: A coreless semiconductor package comprises a plurality of horizontal layers of dielectric material. A magnetic inductor is situated at least partly in a first group of the plurality of layers. A plated laser stop is formed to protect the magnetic inductor against subsequent acidic processes. An EMIB is situated above the magnetic inductor within a second group of the plurality of layers. Vias and interconnections are configured within the horizontal layers to connect a die of the EMIB to other circuitry. A first level interconnect is formed on the top side of the package to connect to the interconnections. BGA pockets and BGA pads are formed on the bottom side of the package. In a second embodiment a polymer film is used as additional protection against subsequent acidic processes. The magnetic inductor comprises a plurality of copper traces encapsulated in magnetic material.

Abstract: Methods/structures of forming embedded inductor structures are described. Embodiments include forming a first interconnect structure on a dielectric material of a substrate, selectively forming a magnetic material on a surface of the first interconnect structure, forming an opening in the magnetic material, and forming a second interconnect structure in the opening. Build up layers are then formed on the magnetic material.

Abstract: Semiconductor packages having a first layer interconnect portion that includes a coaxial interconnect between a die and a package substrate are described. In an example, the package substrate includes a substrate-side coaxial interconnect electrically connected to a signal line. The die is mounted on the package substrate and includes a die-side coaxial interconnect coupled to the substrate-side coaxial interconnect. The coaxial interconnects can be joined by a solder bond between respective central conductors and shield conductors.

Abstract: An inductor may be fabricated comprising a magnetic material layer and an electrically conductive via or trace extending through the magnetic material layer, wherein the magnetic material layer comprises dielectric magnetic filler particles within a carrier material. Further embodiments may include incorporating the inductor of the present description into an electronic substrate and may further include an integrated circuit device attached to the electronic substrate and the electronic substrate may further be attached to a board, such as a motherboard.