The present disclosure is directed to a hybrid conductive ink including: silver nanoparticles and eutectic low melting point alloy particles, wherein a weight ratio of the eutectic low melting point alloy particles and the silver nanoparticles ranges from 1:20 to 1:5. Also provided herein are methods of forming an interconnect including a) depositing a hybrid conductive ink on a conductive element positioned on a substrate, wherein the hybrid conductive ink comprises silver nanoparticles and eutectic low melting point alloy particles, the eutectic low melting point alloy particles and the silver nanoparticles being in a weight ratio from about 1:20 to about 1:5; b) placing an electronic component onto the hybrid conductive ink; c) heating the substrate, conductive element, hybrid conductive ink and electronic component to a temperature sufficient i) to anneal the silver nanoparticles in the hybrid conductive ink and ii) to melt the low melting point eutectic alloy particles, wherein the melted low melting point eutectic alloy flows to occupy spaces between the annealed silver nanoparticles, d) allowing the melted low melting point eutectic alloy of the hybrid conductive ink to harden and fuse to the electronic component and the conductive element, thereby forming an interconnect. Electrical circuits including conductive traces and, optionally, interconnects formed with the hybrid conductive ink are also provided.

The present disclosure is directed to a hybrid conductive ink including: silver nanoparticles and eutectic low melting point alloy particles, wherein a weight ratio of the eutectic low melting point alloy particles and the silver nanoparticles ranges from 1:20 to 1:5. Also provided herein are methods of forming an interconnect including a) depositing a hybrid conductive ink on a conductive element positioned on a substrate, wherein the hybrid conductive ink comprises silver nanoparticles and eutectic low melting point alloy particles, the eutectic low melting point alloy particles and the silver nanoparticles being in a weight ratio from about 1:20 to about 1:5; b) placing an electronic component onto the hybrid conductive ink; c) heating the substrate, conductive element, hybrid conductive ink and electronic component to a temperature sufficient i) to anneal the silver nanoparticles in the hybrid conductive ink and ii) to melt the low melting point eutectic alloy particles, wherein the melted low melting point eutectic alloy flows to occupy spaces between the annealed silver nanoparticles, d) allowing the melted low melting point eutectic alloy of the hybrid conductive ink to harden and fuse to the electronic component and the conductive element, thereby forming an interconnect. Electrical circuits including conductive traces and, optionally, interconnects formed with the hybrid conductive ink are also provided.

A substrate having an electronic component embedded therein includes a core structure including a first insulating body and a plurality of core wiring layers disposed on or in the first insulating body, and having a cavity penetrating at least a portion of the first insulating body in a thickness direction of the substrate and including a stopper layer as a bottom surface of the cavity, and an electronic component disposed in the cavity and attached to the stopper layer, and a surface of the stopper layer connected to the electronic component has a composite including at least two among a metal material, an inorganic particle, a filler, and an insulating resin.

A substrate having an electronic component embedded therein includes a core structure including a first insulating body and a plurality of core wiring layers disposed on or in the first insulating body, and having a cavity penetrating at least a portion of the first insulating body in a thickness direction of the substrate and including a stopper layer as a bottom surface of the cavity, and an electronic component disposed in the cavity and attached to the stopper layer, and a surface of the stopper layer connected to the electronic component has a composite including at least two among a metal material, an inorganic particle, a filler, and an insulating resin.

A package structure includes a circuit element, a first semiconductor die, a second semiconductor die, a heat dissipating element, and an insulating encapsulation. The first semiconductor die and the second semiconductor die are located on the circuit element. The heat dissipating element connects to the first semiconductor die, and the first semiconductor die is between the circuit element and the heat dissipating element, where a sum of a first thickness of the first semiconductor die and a third thickness of the heat dissipating element is substantially equal to a second thickness of the second semiconductor die. The insulating encapsulation encapsulates the first semiconductor die, the second semiconductor die and the heat dissipating element, wherein a surface of the heat dissipating element is substantially leveled with the insulating encapsulation.

A package structure includes a circuit element, a first semiconductor die, a second semiconductor die, a heat dissipating element, and an insulating encapsulation. The first semiconductor die and the second semiconductor die are located on the circuit element. The heat dissipating element connects to the first semiconductor die, and the first semiconductor die is between the circuit element and the heat dissipating element, where a sum of a first thickness of the first semiconductor die and a third thickness of the heat dissipating element is substantially equal to a second thickness of the second semiconductor die. The insulating encapsulation encapsulates the first semiconductor die, the second semiconductor die and the heat dissipating element, wherein a surface of the heat dissipating element is substantially leveled with the insulating encapsulation.

The present disclosure is directed to a hybrid conductive ink including: silver nanoparticles and eutectic low melting point alloy particles, wherein a weight ratio of the eutectic low melting point alloy particles and the silver nanoparticles ranges from 1:20 to 1:5. Also provided herein are methods of forming an interconnect including a) depositing a hybrid conductive ink on a conductive element positioned on a substrate, wherein the hybrid conductive ink comprises silver nanoparticles and eutectic low melting point alloy particles, the eutectic low melting point alloy particles and the silver nanoparticles being in a weight ratio from about 1:20 to about 1:5; b) placing an electronic component onto the hybrid conductive ink; c) heating the substrate, conductive element, hybrid conductive ink and electronic component to a temperature sufficient i) to anneal the silver nanoparticles in the hybrid conductive ink and ii) to melt the low melting point eutectic alloy particles, wherein the melted low melting point eutectic alloy flows to occupy spaces between the annealed silver nanoparticles, d) allowing the melted low melting point eutectic alloy of the hybrid conductive ink to harden and fuse to the electronic component and the conductive element, thereby forming an interconnect. Electrical circuits including conductive traces and, optionally, interconnects formed with the hybrid conductive ink are also provided.

The present disclosure is directed to a hybrid conductive ink including: silver nanoparticles and eutectic low melting point alloy particles, wherein a weight ratio of the eutectic low melting point alloy particles and the silver nanoparticles ranges from 1:20 to 1:5. Also provided herein are methods of forming an interconnect including a) depositing a hybrid conductive ink on a conductive element positioned on a substrate, wherein the hybrid conductive ink comprises silver nanoparticles and eutectic low melting point alloy particles, the eutectic low melting point alloy particles and the silver nanoparticles being in a weight ratio from about 1:20 to about 1:5; b) placing an electronic component onto the hybrid conductive ink; c) heating the substrate, conductive element, hybrid conductive ink and electronic component to a temperature sufficient i) to anneal the silver nanoparticles in the hybrid conductive ink and ii) to melt the low melting point eutectic alloy particles, wherein the melted low melting point eutectic alloy flows to occupy spaces between the annealed silver nanoparticles, d) allowing the melted low melting point eutectic alloy of the hybrid conductive ink to harden and fuse to the electronic component and the conductive element, thereby forming an interconnect. Electrical circuits including conductive traces and, optionally, interconnects formed with the hybrid conductive ink are also provided.

A substrate having an electronic component embedded therein includes a core structure including a first insulating body and a plurality of core wiring layers disposed on or in the first insulating body, and having a cavity penetrating at least a portion of the first insulating body in a thickness direction of the substrate and including a stopper layer as a bottom surface of the cavity, and an electronic component disposed in the cavity and attached to the stopper layer, and a surface of the stopper layer connected to the electronic component has a composite including at least two among a metal material, an inorganic particle, a filler, and an insulating resin.

A substrate having an electronic component embedded therein includes a core structure including a first insulating body and a plurality of core wiring layers disposed on or in the first insulating body, and having a cavity penetrating at least a portion of the first insulating body in a thickness direction of the substrate and including a stopper layer as a bottom surface of the cavity, and an electronic component disposed in the cavity and attached to the stopper layer, and a surface of the stopper layer connected to the electronic component has a composite including at least two among a metal material, an inorganic particle, a filler, and an insulating resin.