H01L23/4735

POWER MODULE WITH VASCULAR JET IMPINGEMENT COOLING SYSTEM

A vascular jet cooling system for use with a planar power module and a coolant supply includes a manifold housing and one or more jet impingement plates. The manifold housing is constructed of a dielectric polymer molding material, and defines a coolant inlet port configured to fluidly connect to the coolant supply, an internal cavity in fluid communication with the coolant inlet port and containing the power module, and a coolant outlet port in fluid communication with the internal cavity. The jet impingement plate(s) is arranged in the internal cavity. Openings of the plates direct coolant passing through the coolant inlet port onto a respective major surface of the power module. A power module assembly includes a planar power module and the vascular jet cooling system. A method of constructing the power module assembly uses sacrificial materials and overmolding of the jet impingement plates.

Conformal Cooling Assembly with Substrate Fluid-Proofing for Multi-Die Electronic Assemblies

A conformal cooling assembly for multiple-die electronic assemblies, such as printed circuit boards, integrated circuits, etc., which addresses and solves a multitude of challenges and problems associated with using liquid-cooled cold plates and dielectric immersion cooling to manage the heat produced by a multiplicity of dies. The conformal cooling assembly comprises a conformal cooling module comprising inlet and outlet passageways and a plenum configured to permit a cooling fluid to pass therethrough, thereby facilitating direct fluid contact with heat-generating components affixed to the substrate of the electronic assembly. The conformal cooling assembly also includes a fastener for attaching the conformal cooling module to the substrate; and a fluid-barrier disposed between the substrate and the plenum. The fluid-barrier is adapted to minimize, inhibit or prevent the cooling fluid from penetrating and being absorbed by the substrate.

THERMAL MANAGEMENT OF GPU-HBM PACKAGE BY MICROCHANNEL INTEGRATED SUBSTRATE
20210407889 · 2021-12-30 ·

Semiconductor packages and/or assemblies having microchannels, a microchannel module, and/or a microfluidic network for thermal management, and associated systems and methods, are disclosed herein. The semiconductor package and/or assembly can include a substrate integrated with a microchannel and a coolant disposed within the microchannel to dissipate heat from a memory device and/or a logic device of the semiconductor package and/or assembly. The microchannel can be configured beneath the memory device and/or the logic device.

Thermal management system for electrically-powered devices
11211538 · 2021-12-28 ·

Described herein are devices, systems and methods for utilizing fluid cooling to thermally manage electrically-powered devices. Embodiments incorporating features of the present disclosure can purge heated cooling fluid from the system immediately after it has been used to absorb heat from an electrically-powered device, so that other devices in the system do not receive cooling fluid from another device in the system. In some embodiments, cooling fluid can be made to directly impinge on or near an electrically-powered device.

Impinging Jet Manifold For Chip Cooling Near Edge Jets
20210378139 · 2021-12-02 ·

Systems and methods for chip cooling with near edge jets in a direct liquid cooled module are disclosed. One of the functions of a direct liquid cooled module is to provide cooling liquid to components located on a chip. Jet impingement directly onto the back side of a chip is one cooling method that can provide more efficient cooling. An orifice plate includes an array of small diameter holes that correspond to high velocity jet locations and large diameter holes for the insertion of tubes to connect to lower pressure cavities.

SEMICONDUCTOR COOLING ARRANGEMENT WITH IMPROVED BAFFLE

A semiconductor cooling arrangement. The semiconductor cooling arrangement comprises one or more semiconductor assemblies, a housing, and one or more baffles. Each assembly comprises a heatsink and one or more semiconductor power devices mounted on and thermally coupled to the heatsink. The housing is for housing the one or more assemblies in a chamber within the housing, and comprises inlet and outlet ports in fluid communication with the chamber. The baffles are arranged such that fluid flows through each baffle to a respective heatsink. Each baffle comprises through-holes arranged such that fluid flows through the through holes to a region of the semiconductor assembly to which a semiconductor power device is mounted, or to a region of the heatsink opposite a location to which a semiconductor power device is mounted. Each baffle is a printed circuit board, comprising control and/or monitoring circuitry for an adjacent semiconductor assembly, and being electrically connected to the one or more semiconductor power devices of that semiconductor assembly.

Heat sink, heat sink arrangement and module for liquid immersion cooling

Devices are provided that include a device housing defining and a maximum dielectric cooling liquid level, and a dielectric cooling liquid outlet weir in the device housing from which dielectric cooling liquid exits the interior space. The cooling liquid outlet weir can set the level of the dielectric cooling liquid within the interior space and establish a volumetric rate of flow of the dielectric cooling liquid within the interior space that is needed for the cooling of heat-generating electronic components.

Impingement cooling device for a laser disk and associated laser disk module
11362475 · 2022-06-14 · ·

Impingement cooling devices for a laser disk include a carrier plate on the front side of which the laser disk can be secured, and a supporting structure, on the front side of which the rear side of the carrier plate is secured. The supporting structure has a plurality of cooling liquid feed lines from which the cooling liquid emerges in the direction of the rear side of the carrier plate and a plurality of cooling liquid return lines. The feed and return lines run parallel to one another in the longitudinal direction of the supporting structure, and the supporting structure includes a plurality of cutouts or the rear side of the carrier plate that are open toward the supporting structure, and the cooling liquid feed lines lead into and the cooling liquid return lines lead away from the plurality of cutouts.

Fluid cooling system

An apparatus for cooling one or more heat generating components comprises: a sealable enclosure defining a volume for containing a first coolant and one or more heat generating components; a conduit surrounded by the volume, the conduit enabling a second coolant to enter and leave the enclosure, the conduit providing a fluid-tight seal between the first coolant and the second coolant when the first coolant within the volume surrounds the conduit; and a pump within the enclosure configured to direct the first coolant to the conduit such that heat is exchanged between the first coolant and the second coolant.

Piezoelectric MEMS-based active cooling for heat dissipation in compute devices

An active cooling system and method for using the active cooling system are described. The active cooling system includes a cooling element having a first side and a second side. The first side of the cooling element is distal to a heat-generating structure and in communication with a fluid. The second side of the cooling element is proximal to the heat-generating structure. The cooling element is configured to direct the fluid using a vibrational motion from the first side of the cooling element to the second side such that the fluid moves in a direction that is incident on a surface of the heat-generating structure at a substantially perpendicular angle and then is deflected to move along the surface of the heat-generating structure to extract heat from the heat-generating structure.