Intel Corporation

Tahoe Research, Ltd.

Junnan Zhao

Cheng Xu

Ying Wang

Yikang Deng

Ji Yong Park

Chong Zhang

Rahul Jain

Sai Vadlamani

Kyu Oh Lee

Kyu-Oh Lee

Seo Young Kim

Srinivas V Pietambaram

Zhimin Wan

Chandra Mohan Jha

Andrew James Brown

Meizi Jiao

Rui Zhang

Sheng C Li

Prithwish Chatterjee

Chia-Pin Chiu

Kristof Darmawikarta

Rahul N Manepalli

Sri Ranga Sai Boyapati

Kaladhar Radhakrishnan

Sri Chaitra Jyotsna Chavali

Sergio Antonio Chan Arguedas

Lauren Ashley Link

Frank Truong

Peng Li

Aravindha Antoniswamy

Sameer Paital

Jiwei Sun

Jonathan Rosch

Zhenguo Jiang

David Unruh

Sandeep Gaan

Lingtao Liu

Chandra Mohan M Jha

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.

Methods to selectively embed magnetic materials in substrate and corresponding structures

Microelectronic assemblies, related devices, and methods are disclosed herein. In some embodiments, a microelectronic assembly may include a die having a first surface and an opposing second surface; a capacitor having a surface, wherein the surface of the capacitor is coupled to the first surface of the die; and a conductive pillar coupled to the first surface of the die. In some embodiments, a microelectronic assembly may include a capacitor in a first dielectric layer; a conductive pillar in the first dielectric layer; a first die having a surface in the first dielectric layer; and a second die having a surface in a second dielectric layer, wherein the second dielectric layer is on the first dielectric layer, and wherein the surface of the second die is coupled to the capacitor, to the surface of the first die, and to the conductive pillar.

Microelectronic assemblies having an integrated capacitor

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.

Substrate assembly with encapsulated magnetic feature

Disclosed herein are vented lids for integrated circuit (IC) packages, as well as related methods and devices. For example, in some embodiments, an IC package may include a package substrate, a lid, and a die between the package substrate and the lid. A vent may extend between the interior surface and the exterior surface of the lid, and the vent may at least partially overlap the die.

Vented lids for integrated circuit packages

Disclosed herein are magnetic structures in integrated circuit (IC) package supports, as well as related methods and devices. For example, in some embodiments, an IC package support may include a conductive line, a magnetic structure around the conductive line, and material stubs at side faces of the magnetic structure.

Magnetic structures in integrated circuit package supports

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.

Methods to embed magnetic material as first layer on coreless substrates and corresponding structures

Embodiments may include inductors with embedded magnetic cores and methods of making such inductors. In an embodiment, an integrated circuit package may include an integrated circuit die with a multi-phase voltage regulator electrically coupled to the integrated circuit die. In such embodiments, the multi-phase voltage regulator may include a substrate core and a plurality of inductors. The inductors may include a conductive through-hole disposed through the substrate core and a plugging layer comprising a dielectric material surrounding the conductive through-hole. In an embodiment, a magnetic sheath is formed around the plugging layer. In an embodiment, the magnetic sheath is separated from the plated through hole by the plugging layer. Additionally, a first layer comprising a dielectric material may be disposed over a first surface of the magnetic sheath, and a second layer comprising a dielectric material may be disposed over a second surface of the magnetic sheath.

Core layer with fully encapsulated co-axial magnetic material around PTH in IC package substrate

Described herein are magnetic core inductors (MCI) and methods for manufacturing magnetic core inductors. A first embodiment of the MCI can be a snake-configuration MCI. The snake-configuration MCI can be formed by creating an opening in a base material, such as copper, and providing a nonconductive magnetic material in the opening. The inductor can be further formed by forming plated through holes into the core material. The conductive elements for the inductor can be formed in the plated through holes. The nonconductive magnetic material surrounds each conductive element and plated through hole. In embodiments, a layered coil inductor can be formed by drilling a laminate to form a cavity through the laminate within the metal rings of the layered coil inductor. The nonconductive magnetic material can be provided in the cavity.

Magnetic core inductors

An electronic device may include a substrate, and the substrate may include one or more layers. The one or more layers may include a first dielectric material and one or more electrical traces. A cavity may be defined in the substrate, and the cavity may be adapted to receive one or more electrical components. One or more lateral traces may extend through a wall of the cavity. The lateral traces may provide electrical communication pathways between the substrate and the electrical components.

Electronic device including a lateral trace

Disclosed herein are cavity structures in integrated circuit (IC) package supports, as well as related methods and apparatuses. For example, in some embodiments, an IC package support may include: a cavity in a dielectric material, wherein the cavity has a bottom and sidewalls; conductive contacts at the bottom of the cavity, wherein the conductive contacts include a first material; a first peripheral material outside the cavity, wherein the first peripheral material is at the sidewalls of the cavity and proximate to the bottom of the cavity, and the first peripheral material includes the first material; and a second peripheral material outside the cavity, wherein the second peripheral material is at the sidewalls of the cavity and on the first peripheral material, and the second peripheral material is different than the first peripheral material.

Cavity structures in integrated circuit package supports

Microelectronic assemblies that include a cooling channel, and related devices and methods, are disclosed herein. For example, in some embodiments, a microelectronic assembly may include a package substrate having a surface, a die having a surface, and a fluidic channel between the surface of the die and the surface of the package substrate, wherein a top surface of the fluidic channel is defined by the surface of the die and a bottom surface of the fluidic channel is defined by the surface of the package substrate. In some embodiments, a microelectronic assembly may include a package substrate having a surface; a die having a surface; and an interposer having a fluidic channel between the surface of the die and the surface of the package substrate.

Microelectronic assemblies having a cooling channel

An integrated circuit (IC) package comprises a substrate comprising a dielectric and a thermal conduit that is embedded within the dielectric. The thermal conduit has a length that extends laterally within the dielectric from a first end to a second end. An IC die is thermally coupled to the first end of the thermal conduit. The IC die comprises an interconnect that is coupled to the first end of the thermal conduit. An integrated heat spreader comprises a lid over the IC die and at least one sidewall extending from the edge of the lid to the substrate that is thermally coupled to the second end of the thermal conduit.

Effective heat conduction from hotspot to heat spreader through package substrate

Techniques for fabricating a cored or coreless semiconductor package having one or more magnetic bilayer structures embedded therein are described. A magnetic bilayer structure includes a magnetic layer and a dielectric layer. For one technique, fabricating a cored or coreless semiconductor package includes: depositing a seed layer on a build-up layer; forming a raised pad structure and a trace on the seed layer; removing one or more uncovered portions of the seed layer to uncover top surfaces of one or more portions of the build-up layer; applying a magnetic bilayer structure on the raised pad structure, the trace, any unremoved portion of the seed layer, and the top surfaces of the one or more portions of the build-up layer, the magnetic bilayer structure comprises a magnetic layer and a dielectric layer; and forming a conductive structure on the raised pad structure. Other techniques are also described.

Magnetic bilayer structure for a cored or coreless semiconductor package

Growing community of inventors

Gilbert, AZ, United States of America

Junnan Zhao