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1. WO2020210783 - HYBRID MICROJET LIQUID-COOLED HEAT SPREADER

Publication Number WO/2020/210783
Publication Date 15.10.2020
International Application No. PCT/US2020/027887
International Filing Date 13.04.2020
IPC
H01L 23/473 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
23Details of semiconductor or other solid state devices
34Arrangements for cooling, heating, ventilating or temperature compensation
46involving the transfer of heat by flowing fluids
473by flowing liquids
F28F 3/12 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28HEAT EXCHANGE IN GENERAL
FDETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
3Plate-like or laminated elements; Assemblies of plate-like or laminated elements
12Elements constructed in the shape of a hollow panel, e.g. with channels
F28F 27/02 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28HEAT EXCHANGE IN GENERAL
FDETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
27Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
02for controlling the distribution of heat-exchange media between different channels
H01L 23/06 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
23Details of semiconductor or other solid state devices
02Containers; Seals
06characterised by the material of the container or its electrical properties
H05K 7/20 2006.01
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
7Constructional details common to different types of electric apparatus
20Modifications to facilitate cooling, ventilating, or heating
Applicants
  • THE PENN STATE RESEARCH FOUNDATION [US]/[US]
Inventors
  • ALVARADO, Bladimir, Ramos
  • VALLE, Carlos Ulises, Gonzalez
  • GUERRA, Luis Enrique, Paniagua
  • VELI, Jonathan
Agents
  • WATHEN, Douglas, L.
  • FOSTER, Justin, B.
  • JUSTICE, Jeremy, J.
  • GOULD, Weston, R.
  • ANDERSON, Thomas, E.
Priority Data
62/832,65211.04.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) HYBRID MICROJET LIQUID-COOLED HEAT SPREADER
(FR) DIFFUSEUR DE CHALEUR REFROIDI PAR LIQUIDE À MICROJET HYBRIDE
Abstract
(EN)
A liquid-cooled heat sink has three parts: the water block, the X-clamp, and a copper plate. The water block has an inlet connected to a resin shell. Inside the shell, a fractal inlet manifold divides the inlet coolant flow into several sub streams that eventually exit in the form of uniformly distributed liquid jets through small nozzles / microjets at the bottom of the shell. The union between the shell and the copper plate forms a flood chamber, where the jets impinge on the copper plate, dissipating the heat supplied to the copper plate in contact with the heat source. The warm liquid is removed from the flood chamber through an outlet manifold embedded with the resin shell.
(FR)
L'invention concerne un dissipateur thermique refroidi par liquide comprenant trois parties : le bloc d'eau, la pince à rayons X et une plaque de cuivre. Le bloc d'eau a une entrée reliée à une coque en résine. A l'intérieur de la coque, un collecteur d'entrée fractal divise le flux d'agent de refroidissement d'entrée en plusieurs sous-flux qui sortent finalement sous la forme de jets de liquide uniformément répartis à travers de petites buses/microjets au fond de la coque. L'union entre la coque et la plaque de cuivre forme une chambre d'inondation, où les jets frappent la plaque de cuivre, dissipant la chaleur fournie à la plaque de cuivre en contact avec la source de chaleur. Le liquide chaud est retiré de la chambre d'inondation par l'intermédiaire d'un collecteur de sortie intégré à la coque en résine.
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