Provided is a semiconductor package including a first semiconductor device, an encapsulant surrounding the first semiconductor device, an upper redistribution structure provided on the encapsulant, and a heat dissipation block provided on the upper redistribution structure. The heat dissipation block includes a first block surface facing a top surface of the upper redistribution structure, the heat dissipation block includes a first protrusion on the first block surface, a first concave portion corresponding to the first protrusion is provided on the top surface of the upper redistribution structure, the first protrusion is located in the first concave portion, and a heat transfer layer is provided between the heat dissipation block and the top surface of the upper redistribution structure.

A thermal substrate includes a multilayer film, a first conductive layer adhered to the first outer layer of the multilayer film and a second conductive layer adhered to the second outer layer of the multilayer film. The multilayer film includes a first outer layer including a first thermoplastic polyimide, a core layer including a polyimide and a second outer layer including a second thermoplastic polyimide. The multilayer film has a total thickness in a range of from 5 to 150 m, and the first outer layer, the core layer and the second outer layer each include a thermally conductive filler. The first conductive layer and the second conductive layer each have a thickness in a range of from 250 to 3000 m.

This invention provides opportunity for diamond and bi-wafer microstructures to be implemented in advanced ICs and advanced IC packages to form a new breed of ICs and SiPs that go beyond the limitations of silicon at the forefront of IC advancement due primarily to diamond's extreme heat dissipating ability. Establishing the diamond and bi-wafer microstructure capabilities and implementing them in advanced ICs and advanced IC packages gives IC and package architects and designers an extra degree of design freedom in achieving extreme IC performance, particularly when thermal management presents a challenge. Diamond's extreme heat spreading ability can be used to dissipate hotspots in processors and other high-power chips such as GaN HEMT, resulting in performance and reliability enhancement for IC and package applications covering HPC, AI, photonics, 5G RF/mmWave, power and IoT, and at the system level propelling the migration from traditional computing to near-memory computing and in-memory computing.

In one example, an electronic device, comprises a substrate comprising a dielectric structure and a conductive structure, an electronic component over a top side of the substrate, wherein the electronic component is coupled with the conductive structure; an encapsulant over the top side of the substrate and contacting a lateral side of the electronic component, wherein the encapsulant comprises a first trench on a top side of the encapsulant adjacent to the electronic component, a lid over the top side of the encapsulant and covering the electronic component; and an interface material between the top side of the encapsulant and the lid, and in the first trench. Other examples and related methods are also disclosed herein.

A semiconductor package includes: a first redistribution structure; a first chip disposed on the first redistribution structure; a molding member at least partially surrounding the first chip and disposed on the first redistribution structure; a plurality of conductive pillars penetrating the molding member in a vertical direction; a support structure disposed between adjacent conductive pillars of the plurality of conductive pillars and disposed on the first redistribution structure; a second redistribution structure disposed on the molding member, the plurality of conductive pillars, and the support structure; a second chip disposed on the second redistribution structure and overlapping the plurality of conductive pillars; and a heat dissipation chip overlapping the first chip in the vertical direction.

Embodiments of the present disclosure relate to a semiconductor package, a method of forming the package and an electronic device. For example, the semiconductor package may comprise a first substrate assembly comprising a first surface and a second surface opposite the first surface. The semiconductor package may also comprise one or more chips connected or coupled to the first surface of the first substrate assembly by a first thermally and electrically conductive connecting material. In addition, the semiconductor package further comprises a second substrate assembly comprising a third surface and a fourth surface opposite the third surface, the third surface and the first surface being arranged to face each other, and the third surface being connected to one or more chips by a second thermally and electrically conductive connecting material. At least one of the first surface and the third surface is shaped to have a stepped pattern to match a surface of the one or more chips. Embodiments of the present disclosure may at least simplify the double-sided heat dissipation structure and improve the heat dissipation effect of the chip.

A semiconductor module includes a laminate substrate including an insulating plate and first and second circuit boards on an upper surface of the insulating plate, the first semiconductor device on an upper surface of the first circuit board, a first main terminal, and a first metal wiring board that electrically connects the first semiconductor device to the first main terminal. The first metal wiring board has a first bonding section bonded to an upper surface electrode of the first semiconductor device, a second bonding section bonded to an upper surface of the second circuit board, a first coupling section that couples the first bonding section to the second bonding section, a first raised section that rises upward from an end portion of the second bonding section. The first raised section has an upper end that is electrically connected to the first main terminal.

An object is to provide a semiconductor module capable achieving both a heat radiation property and an insulation property. A semiconductor module includes: a substrate having a main surface and a main surface on a side opposite to the main surface; a semiconductor device mounted on the main surface; and a heat sink attached to the main surface via an insulation sheet having a thermal conductivity, wherein the substrate includes a through hole passing from the main surface to the main surface, the semiconductor device includes a plurality of electrodes exposed from a surface facing the main surface and a protrusion formed between the plurality of electrodes to be inserted through the through hole, and the insulation sheet is formed so that a length in a thickness direction of the substrate is larger than a length of a tip end portion of the protrusion protruding from the through hole.

A low warpage chip includes a chip body, a plurality of signal contacts, and an anti-warpage layer. The chip body has a back surface and an active surface opposite to each other and has a circuit layer inside. The plurality of signal contacts are configured on the active surface and are electrically connected to the circuit layer. The anti-warpage layer covers at least a part of the back surface. A thermal expansion coefficient of the anti-warpage layer is greater than a thermal expansion coefficient of the chip body. When the low warpage chip undergoes a thermal processing procedure, the anti-warpage layer mitigates the warpage of the chip body to maintain the chip body in a relatively flat state.

A method of cooling a semiconductor package module is provided. The method includes operating a semiconductor package module immersed in a liquid coolant in a tank. The method includes applying a driving voltage to a piezoelectric element or ultrasonic vibrating element disposed on the semiconductor package module to generate a vibration. The method further includes repelling bubbles of the liquid coolant formed on a surface of the semiconductor package module by way of the vibration.