A packaged integrated circuit device includes a semiconductor die. The packaged integrated circuit device also includes a sealed two-phase cooling structure thermally coupled to the semiconductor die. The packaged integrated circuit device further includes a mold compound encapsulating the semiconductor die and the sealed two-phase cooling structure.

An electronic device according to the present invention includes: a semiconductor chip that is mounted on a substrate; a heat sink that is attached to the substrate so as to face the upper surface of the semiconductor chip; a liquid metal that comes into contact with the upper surface of the semiconductor chip and the lower surface of the heat sink; seal members that are provided so as to surround the liquid metal and that seal an area between the upper surface of the substrate and the lower surface of the heat sink; and communication sections that are provided in the heat sink and communicate the internal space surrounded by the seal members, the semiconductor ship, and the heat sink, with the outside of the heat sink.

A semiconductor device includes a chip and a cooling apparatus dissipating heat generated in the chip during an operation of the chip, the cooling apparatus including a base, a plurality of microchannels, and a manifold disposed over the plurality of microchannels. A method of fabricating the semiconductor device includes increasing a thermal conductivity of the base of the cooling apparatus, or a thermal conductivity of the chip, or both, and directly bonding the cooling apparatus to the chip.

Chip packages, electronic devices and method for making the same are described herein. The chip packages and electronic devices have a heat spreader disposed over a plurality of integrated circuit (IC) devices. The heat spreader has an opening through which a protrusion from an overlaying cover extends into contact with one or more of the IC devices to provide a direct heat transfer path to the cover. Another one or more other IC devices have a heat transfer path to the cover through the heat spreader. The separate heat transfer paths allow more effective thermal management of the IC devices of the chip package.

A thermal dissipation system for an integrated circuit (IC) includes an IC disposed on a substrate and a heat sink including a body having a first surface including a first part coupled to a side of the IC opposite the substrate and a second part disposed away from the IC and positioned in spaced relation to the substrate. A set of legs support at least the second part of the body in spaced relation to the substrate. The set of legs may be part of the body or may be part of a carrier disposed between the second part of the first surface of the body and the substrate. The carrier includes an opening through which a portion of the substrate that includes the first part that is coupled to the side of the IC opposite the substrate extends.

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.

In an embodiment, a device includes: a die stack over and electrically connected to an interposer, the die stack including a topmost integrated circuit die including: a substrate having a front side and a back side opposite the front side, the front side of the substrate including an active surface; a dummy through substrate via (TSV) extending from the back side of the substrate at least partially into the substrate, the dummy TSV electrically isolated from the active surface; a thermal interface material over the topmost integrated circuit die; and a dummy connector in the thermal interface material, the thermal interface material surrounding the dummy connector, the dummy connector electrically isolated from the active surface of the topmost integrated circuit die.

A device package includes a first die directly bonded to a second die at an interface, wherein the interface comprises a metal-to-metal bond and a heat dissipation feature over the first die. The heat dissipation feature includes a thermal base over the first die and surrounding the second die, wherein the thermal base is made of a metal; and a plurality of thermal vias on the thermal base; and an encapsulant over first die and surrounding the second die, surrounding the thermal base, and surrounding the plurality of thermal vias.

A method of manufacturing a semiconductor device includes: adhering together a heat generating body and a heat dissipating body via a thermally conductive sheet by applying a pressure on the heat generating body and the heat dissipating body in a thickness direction of the thermally conductive sheet with the thermally conductive sheet disposed therebetween, the thermally conductive sheet having a compression modulus of 1.40 MPa or less under a compressive stress of 0.10 MPa at 150 C., and a tack strength of 5.0 N.Math.mm or more at 25 C.

A solid state drive (SSD) includes a case including a planar portion, a protrusion portion protruding from the planar portion, and a plurality of fins protruding from the planar portion and defining an internal space, a printed circuit board located within the internal space of the case and including a semiconductor device and a controller, and a heat dissipation sheet covering the planar portion and the protrusion portion of the case. The plurality of fins are spaced apart from the protrusion portion and the printed circuit board in a first direction, an upper surface of the semiconductor device and an upper surface of the controller are in direct contact with the heat dissipation sheet, and the heat dissipation sheet includes at least one of graphite, graphene, carbon nanotubes, and fullerene.