Liquid Coolant Patents (Class 257/714)
  • Patent number: 8051905
    Abstract: In one embodiment, a cooling system is disclosed. The cooling system comprises: a cooling channel for receiving a cooling media, a substrate disposed near the cooling channel, and a fluidic jet disposed within the substrate and in fluid communication with the cooling channel. The cooling channel is for thermal communication with a component to be cooled. The cooling channel has a height of less than or equal to about 3 mm and a width of less than or equal to 2 mm. The fluidic jet comprises a cavity defined by a well and a membrane. In one embodiment, a method of cooling an electrical component comprises: passing a cooling media through a cooling channel, drawing the cooling media into one or more of the fluidic jets, expelling the cooling media from the one or more fluidic jets into the cooling channel, and removing thermal energy from the electrical component.
    Type: Grant
    Filed: August 15, 2006
    Date of Patent: November 8, 2011
    Assignee: General Electric Company
    Inventors: Mehmet Arik, Todd Garrett Wetzel, Stephen Adam Solovitz
  • Patent number: 8049329
    Abstract: A wafer stacked semiconductor package (WSP) having a vertical heat emission path and a method of fabricating the same are provided. The WSP comprises a substrate on which semiconductor chips are mounted; a plurality of semiconductor chips stacked vertically on the substrate; a cooling through-hole formed vertically in the plurality of semiconductor chips, and sealed; micro holes formed on the circumference of the cooling through-hole; and coolant filling the inside of the cooling through-hole. Accordingly, the WSP reduces a temperature difference between the semiconductor chips and quickly dissipates the heat generated by the stacked semiconductor chips.
    Type: Grant
    Filed: October 20, 2009
    Date of Patent: November 1, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joong-Hyun Baek, Hee-Jin Lee
  • Patent number: 8044506
    Abstract: The invention provides a thermal-emitting memory module, a thermal-emitting module socket, and a computer system comprising the thermal-emitting memory module and the thermal-emitting module socket. An embodiment of the thermal-emitting module includes: a module substrate having electrically-conductive traces; and a semiconductor device disposed on the module substrate and coupled to the electrically-conductive traces, the module substrate including a thermal-emitting portion disposed in proximity of the semiconductor device without directly contacting the semiconductor device.
    Type: Grant
    Filed: July 29, 2008
    Date of Patent: October 25, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Yun, Soo-Kyung Kim, Kwang-Seop Kim, Ki-Hyun Ko, Sung-Joo Park
  • Patent number: 8035223
    Abstract: A structure and method for thermal management of integrated circuits. The structure for thermal management of integrated circuits includes first and second substrates bonded together, at least one of the first and second substrates including at least one circuit element, an entrance through-hole having a length extending through a thickness of at least one of the first substrate and the second substrate, an exit through-hole having a length extending through a thickness of at least one of the first substrate and the second substrate, a bonding element forming a seal between the first and second substrates and forming a space between the first and second substrate, and a coolant channel formed in the space between the first and second substrates such that a fluid entering the entrance through-hole transits the coolant channel and the exit through-hole to provide cooling to the circuit element.
    Type: Grant
    Filed: August 28, 2007
    Date of Patent: October 11, 2011
    Assignee: Research Triangle Institute
    Inventors: Philip Garrou, Charles Kenneth Williams, Christopher A. Bower
  • Patent number: 8030754
    Abstract: One embodiment in accordance with the invention is a system that can include a first wafer and a second wafer. The first wafer and the second wafer can be bonded together by a wafer bonding process that forms a gap between the first wafer and the second wafer. The gap can be configured for receiving a heat extracting material.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: October 4, 2011
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Peter G. Hartwell, Duncan Stewart
  • Patent number: 8026597
    Abstract: An encapsulated microelectronic package includes a fluid conducting cooling tube directly coupled to one or more semiconductor chips, with the encapsulant being molded over the semiconductor chips and portions of the cooling tube in proximity to the semiconductor chips. The encapsulant immobilizes the cooling tube with respect to the semiconductor chips, and the cooling tube and encapsulant are designed to minimize differences in their coefficients of thermal expansion relative to the semiconductor chips.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: September 27, 2011
    Assignee: Delphi Technologies, Inc.
    Inventors: Scott D. Brandenburg, Suresh K. Chengalva, Thomas A. Degenkolb
  • Patent number: 8022535
    Abstract: Devices, systems, and methods for semiconductor die temperature management are described and discussed herein. An IC device is described that includes at least one intra-die cooling structure. In an embodiment, the IC device includes a semiconductor die formed of integral device layers and further includes at least one coolant reservoir and at least one coolant channel. In an embodiment, the at least one coolant reservoir and at least one coolant channel are disposed wholly within the semiconductor die. In various embodiments, at least one coolant reservoir and at least one coolant channel are constructed and arranged to circulate coolant fluid in proximity to at least one IC device structure in order to decrease and or normalize an operating temperature of the IC device. In other embodiments, systems and methods for designing and/or fabricating IC die that include at least one intra-die cooling structure are provided herein.
    Type: Grant
    Filed: June 8, 2009
    Date of Patent: September 20, 2011
    Assignee: CoolSilicon LLC
    Inventors: Bradley J. Winter, Benedikt Zeyen
  • Patent number: 8018719
    Abstract: One embodiment provides a vapor chamber having an outwardly protruding boss. A frame surrounds a perimeter of the vapor chamber. A plurality of heat sink fins extend from the frame. A cross-member spans the frame across the vapor chamber wall and defines an opening through which the boss protrudes at least slightly beyond the cross-member. The heat sink may be secured to a socket on a circuit board, with the boss engaging a processor positioned in the socket. In response to securing the heat sink, the boss compresses flush with the cross-member and the cross-member engages the processor to seat the processor in the socket. The opening in the cross-member reinforces the boss against outward deformation.
    Type: Grant
    Filed: May 26, 2009
    Date of Patent: September 13, 2011
    Assignee: International Business Machines Corporation
    Inventor: Diane S. Busch
  • Patent number: 8018721
    Abstract: An electronic device including a circuit board and a heat dissipating module is provided. The circuit board has a thermal source. The heat dissipating module is disposed on the thermal source and has a heat conducting unit, a first heat dissipating unit and a second heat dissipating unit. The heat conducting unit has a heat conducting plate and a heat pipe. A first surface of the heat conducting plate contacts the thermal source. A first end of the heat pipe is connected to the heat conducting plate. The first heat dissipating unit is connected to a second end of the heat pipe. The second heat dissipating unit is movably disposed on a second surface of the heat conducting plate. The heat dissipating module in the invention can achieve the dual thermal dissipation efficiency via the different cooling modes so as to satisfy the heat dissipating requirement of high speed processors.
    Type: Grant
    Filed: November 24, 2009
    Date of Patent: September 13, 2011
    Assignee: Asustek Computer Inc.
    Inventors: Chin-Lien Chang, Ya-Chyi Chou, Ea-Si Lee, Perng-Kae Wang
  • Patent number: 8012808
    Abstract: Some embodiments of the present invention include apparatuses and methods relating to integrated micro-channels for removing heat from 3D through silicon architectures.
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: September 6, 2011
    Assignee: Intel Corporation
    Inventors: Wei Shi, Daoqiang Lu, Yiqun Bai, Qing A. Zhou, Jianqqi He
  • Patent number: 8014150
    Abstract: Cooled electronic modules and methods of fabrication are provided with pump-enhanced, dielectric fluid immersion-cooling of the electronic device. The cooled electronic module includes a substrate supporting an electronic device to be cooled. A cooling apparatus couples to the substrate, and includes a housing configured to at least partially surround and form a sealed compartment about the electronic device. Additionally, the cooling apparatus includes dielectric fluid and one or more pumps disposed within the sealed compartment. The dielectric fluid is in direct contact with the electronic device, and the pump is an impingement-cooling, immersed pump disposed to actively pump dielectric fluid within the sealed compartment towards the electronic device. Multiple condenser fins extend from the housing into the sealed compartment in an upper portion of the sealed compartment, and a liquid-cooled cold plate or an air-cooled heat sink is coupled to the top of the housing for cooling the condenser fins.
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: September 6, 2011
    Assignee: International Business Machines Corporation
    Inventors: Levi A. Campbell, Richard C. Chu, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar, Robert E. Simons
  • Patent number: 7999375
    Abstract: An electronic device can comprise a semiconductor die on which can be formed a micromechanical system. The micromechanical system can comprise a plurality of electrically conductive elongate, contact structures, which can be disposed on input and/or output terminals of the semiconductor die. The micromechanical system can also comprise a cooling structure disposed on the semiconductor die.
    Type: Grant
    Filed: October 11, 2006
    Date of Patent: August 16, 2011
    Assignee: FormFactor, Inc.
    Inventors: Eric D. Hobbs, Gaetan L. Mathieu
  • Patent number: 7990711
    Abstract: A plurality of heat-dissipating electronic chips are arranged in a vertical chip stack. The electronic chips have electronic components thereon. A cold plate is secured to a back side of the chip stack. A silicon carrier sandwich, defining a fluid cavity, is secured to a front side of the chip stack. An inlet manifold is configured to supply cooling fluid to the cold plate and the fluid cavity of the silicon carrier sandwich. An outlet manifold is configured to receive the cooling fluid from the cold plate and the fluid cavity of the silicon carrier sandwich. The cold plate, the silicon carrier sandwich, the inlet manifold, and the outlet manifold are configured and dimensioned to electrically isolate the cooling fluid from the electronic components. A method of operating an electronic apparatus and a method of manufacturing an electronic apparatus are also disclosed.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: August 2, 2011
    Assignee: International Business Machines Corporation
    Inventors: Paul S. Andry, Thomas J. Brunschwiler, Evan G. Colgan, John H. Magerlein
  • Patent number: 7986528
    Abstract: A cooling plate structure of a cooling apparatus includes a cooling plate and at least one refrigerant circulating conduit disposed in the cooling plate. The conduit includes refrigerant introducing and discharging ports disposed side by side on an outer surface of the cooling plate in an exposed state, a flow-in part extending from the introducing port to an intermediate position between the introducing port and the discharging port in the cooling plate, and a flow-out part extending along the flow-in part from the intermediate position to the discharging port such that flow-out part is separated from the flow-in part. Heat generating elements are disposed along the circulating conduit at an intermediate portion between a flow-in part corresponding portion and a flow-out part corresponding portion, both corresponding to the flow-in part and flow-out part of the circulating conduit, on the outer surface of the cooling plate.
    Type: Grant
    Filed: November 25, 2008
    Date of Patent: July 26, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Kensuke Aoki
  • Patent number: 7983044
    Abstract: An inverter apparatus includes a liquid path in which cooling water flows, and in which the cooling water performs cooling at a cooling part located directly underneath the power circuit part of the inverter apparatus. The liquid path includes a first partial structure part formed between a feed pipe and the cooling part, and having a liquid path cross-sectional profile that is gradually reduced in the short-side direction of the cooling part and that is gradually enlarged in the long-side direction thereof; and a second partial structure part formed between the cooling part and a drain pipe, and having a liquid path cross-sectional profile that is gradually enlarged from the short-side of the cooling part and that is gradually reduced from the long-side thereof.
    Type: Grant
    Filed: January 8, 2010
    Date of Patent: July 19, 2011
    Assignee: Hitachi, Ltd.
    Inventors: Takayoshi Nakamura, Akihiro Tamba, Ryuichi Saito, Atsuo Nishihara
  • Patent number: 7983040
    Abstract: Apparatus and method are provided for facilitating pumped, immersion-cooling of an electronic subsystem having multiple different types of components to be immersion-cooled. The apparatus includes a container sized to receive the electronic subsystem, and a coolant inlet port and a coolant outlet port for facilitating ingress and egress of coolant through the container. The apparatus further includes a coolant pump assembly coupled in fluid communication with the coolant inlet and outlet ports of the container for facilitating active pumping of coolant through the container. When the electronic subsystem is operatively inserted into the container and coolant is pumped through the container, the multiple different types of components of the electronic subsystem are immersion-cooled by the coolant.
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: July 19, 2011
    Assignee: International Business Machines Corporation
    Inventors: Levi A. Campbell, Richard C. Chu, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar, Robert E. Simons
  • Patent number: 7978473
    Abstract: A cooling apparatus and method of fabrication are provided for facilitating removal of heat from a heat-generating electronic device. The method of fabrication includes: obtaining a solder material; disposing the solder material on a surface to be cooled; and reflowing and shaping the solder material disposed on the surface to be cooled to configure the solder material as a base with a plurality of fins extending therefrom. In addition to being in situ-configured on the surface to be cooled, the base is simultaneously metallurgically bonded to the surface to be cooled. The solder material, configured as the base with a plurality of fins extending therefrom, is a single, monolithic structure thermally attached to the surface to be cooled via the metallurgical bonding thereof to the surface to be cooled.
    Type: Grant
    Filed: February 17, 2010
    Date of Patent: July 12, 2011
    Assignee: International Business Machines Corporation
    Inventors: Levi A. Campbell, Richard C. Chu, Michael J. Ellsworth, Jr., Bruce K. Furman, Madhusudan K. Iyengar, Paul A. Lauro, Roger R. Schmidt, Da-Yuan Shih, Robert E. Simons
  • Patent number: 7978472
    Abstract: Liquid-cooled electronics racks and methods of fabrication are provided wherein a liquid-based cooling apparatus facilitates cooling of electronic subsystems when docked within the electronics rack. The cooling apparatus includes a liquid-cooled cooling structure mounted to a front of the rack, and a plurality of heat transfer elements. The cooling structure is a thermally conductive material which has a coolant-carrying channel for facilitating coolant flow through the structure. Each heat transfer element couples to one or more heat-generating components of a respective electronic subsystem, physically contacts the cooling structure when that electronic subsystem is docked within the rack, and provides a thermal transport path from the heat-generating components of the electronic subsystem to the liquid-cooled cooling structure. Advantageously, electronic subsystems may be docked within or undocked from the electronics rack without affecting flow of coolant through the liquid-cooled cooling structure.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: July 12, 2011
    Assignee: International Business Machines Corporation
    Inventors: Levi A. Campbell, Richard C. Chu, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar, Robert E. Simons
  • Patent number: 7973434
    Abstract: An electromotive cooling head includes a substrate, an N-pole magnet, and an S-pole magnet, and kept in intimate contact with the backside of the semiconductor integrated circuit so as to cover it. The substrate has a fluid channel having a micro-channel structure, through which a conductive fluid flows. An anode and a cathode are disposed to sandwich the fluid channel. The conductive fluid interacts with a magnetic field to thereby induce an electromotive force between the anode and the cathode. A circuit includes, on its backside, a power supply voltage terminal and a ground terminal, and is driven by the electromotive force induced in the electromotive cooling head.
    Type: Grant
    Filed: February 16, 2006
    Date of Patent: July 5, 2011
    Assignee: Sony Computer Entertainment Inc.
    Inventors: Kazuaki Yazawa, Iwao Takiguchi
  • Patent number: 7973433
    Abstract: A power switch apparatus includes a substrate; a semiconductor die mounted on the substrate and including power electronics circuitry for a high power, alternating current motor application; and gate drive circuitry mounted on the substrate and electrically coupled to the power electronics circuitry on the semiconductor die.
    Type: Grant
    Filed: July 24, 2008
    Date of Patent: July 5, 2011
    Inventors: David F. Nelson, George John, Gregory S. Smith, David Tang, James M. Nagashima, Gabriel Gallegos-Lopez
  • Patent number: 7965509
    Abstract: A method and associated assembly for cooling electronic heat generating components of a computer including dual-in-line memory (DIMM) array(s) is provided. The assembly comprises a cooling component having a plate with a first and a second (reverse) side, thermally coupling to the heat generating components including the DIMM array(s). The first plate side has a coolant conduit connected at one end to a supply manifold via flexible tubing and at another end to a return manifold via another flexible tubing such that when coolant is supplied, the coolant circulates from the supply manifold to the return manifold by passing through said first plate's conduit.
    Type: Grant
    Filed: April 6, 2009
    Date of Patent: June 21, 2011
    Assignee: International Business Machines Corporation
    Inventors: Levi A. Campbell, Richard C. Chu, Michael J. Ellsworth, Jr., Maurice F. Holahan, Madhusudan K. Iyengar, Robert E. Simons, Rebecca N. Wagner
  • Patent number: 7960655
    Abstract: A PCB can include an insulating member, a cooling member, and a circuit pattern. The cooling member can be built into the insulating member. The cooling member can have a cooling passageway through which a cooling fluid can flow. The circuit pattern can be formed on the insulating member. Thus, high heat in the circuit pattern can be rapidly dissipated by the cooling fluid flowing through the cooling passageway.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: June 14, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong-Chan Han, Dong-Chun Lee, Young-Soo Lee
  • Patent number: 7957135
    Abstract: A semiconductor module has switching semiconductor elements connected in parallel to each other and at least a free wheeling semiconductor element reversely connected in parallel to the switching semiconductor elements. The free wheeling semiconductor element is placed between the switching semiconductor elements. At both end parts of the semiconductor elements, each of the switching semiconductor elements is placed. A longitudinal side of each of the switching semiconductor elements and the free wheeling semiconductor element is placed in parallel to a short side of the semiconductor module. An electric-power conversion device has a plurality of arms. Each arm is composed of the semiconductor elements.
    Type: Grant
    Filed: February 3, 2009
    Date of Patent: June 7, 2011
    Assignee: Denso Corporation
    Inventors: Yasuyuki Ohkouchi, Kuniaki Mamitsu
  • Patent number: 7956458
    Abstract: An integrated optical I/O and semiconductor chip with a direct liquid jet impingement cooling assembly are disclosed. Contrary to other solutions for packaging an optical I/O with a semiconductor die, this assembly makes use of a metal clad fiber, e.g. copper, which will actually enhance cooling performance rather than create a design restriction that has the potential to limit cooling capability.
    Type: Grant
    Filed: March 16, 2010
    Date of Patent: June 7, 2011
    Assignee: International Business Machines Corporation
    Inventors: Levi A Campbell, Casimer M DeCusatis, Michael J Ellsworth, Jr.
  • Patent number: 7952191
    Abstract: A semiconductor device of the present invention includes a wiring substrate, a plurality of semiconductor chips mounted on the wiring substrate, and a radiation plate arranged over a plurality of semiconductor chips, and having a cooling passage to flow water in a horizontal direction to the wiring substrate. A plurality of semiconductor chips are arranged along the cooling passage, and out of the plurality of semiconductor chips, the semiconductor chip arranged on an inflow side of the cooling passage, has a smaller amount of heat generation than the semiconductor chip arranged on an outflow side of the cooling passage. For example, a memory chip is arranged on the inflow side of the cooling passage, and a logic chip is arranged on the outflow side of the cooling passage.
    Type: Grant
    Filed: August 7, 2008
    Date of Patent: May 31, 2011
    Assignee: Shinko Electric Industries Co., Ltd.
    Inventors: Masahiro Sunohara, Mitsutoshi Higashi
  • Patent number: 7952873
    Abstract: A cooling module includes a thermally conductive plate, a bladder disposed on at least one side of the plate, the bladder have a chamber, and fluid disposed in the chamber of the bladder wherein the bladder in an inflated state impresses the cooling module against an adjacent electronic circuit card. where the cooling module is forcibly pressed against adjacent electronic circuit card providing increased physical stability to the electronic circuit card as well as provide a cooling technique for the circuit card.
    Type: Grant
    Filed: June 26, 2006
    Date of Patent: May 31, 2011
    Assignee: Raytheon Company
    Inventors: Timothy J. Glahn, Robert G. Kurtz, Jr.
  • Patent number: 7948757
    Abstract: A method of fabricating a multi-fluid cooling system is provided for removing heat from one or more electronic devices. The cooling system includes a multi-fluid manifold structure with at least one first fluid inlet orifice and at least one second fluid inlet orifice for concurrently, separately injecting a first fluid and a second fluid onto a surface to be cooled when the cooling system is employed to cool one or more electronic devices, wherein the first fluid and the second fluid are immiscible, and the first fluid has a lower boiling point temperature than the second fluid. When the cooling system is employed to cool one or more electronic devices and the first fluid boils, evolving first fluid vapor condenses in situ by direct contact with the second fluid of higher boiling point temperature.
    Type: Grant
    Filed: August 4, 2010
    Date of Patent: May 24, 2011
    Assignee: International Business Machines Corporation
    Inventors: Levi A. Campbell, Richard C. Chu, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar, Roger R. Schmidt, Robert E. Simons
  • Patent number: 7944694
    Abstract: Apparatus and method are provided for facilitating liquid cooling of a plurality of blades of an electronic system chassis. The apparatus includes a chassis-level manifold assembly with a first coolant path and a plurality of second coolant paths. The first coolant path is isolated from the plurality of second coolant paths by a heat exchanger. The heat exchanger facilitates transfer of heat from coolant within the second coolant paths to coolant within the first coolant path. Each second coolant path is isolated from the other second coolant paths, and coolant passing therethrough facilitates cooling of a respective blade. When operational, each second coolant path forms a portion of a respective closed loop coolant path extending between the manifold assembly and the electronic system chassis, and in one embodiment, each blade is an immersion-blade, with multiple components thereof immersion-cooled by coolant flowing through the respective second coolant path.
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: May 17, 2011
    Assignee: International Business Machines Corporation
    Inventors: Levi A. Campbell, Richard C. Chu, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar, Robert E. Simons
  • Patent number: 7944688
    Abstract: A heat dissipating structure for a heat source includes a position-adjusting unit, a first heat dissipating element, a second heat dissipating element and a first heat conducting element. The position-adjusting unit has an elastic element. The first heat dissipating element is connected with the position-adjusting unit. The second heat dissipating element contacts with the heat source. One end of the first heat conducting element contacts with the first heat dissipating element, and the other end of the first heat conducting element contacts with the second heat dissipating element. The position-adjusting unit adjusts the position of the first heat dissipating element relative to the second heat dissipating element by the elastic element.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: May 17, 2011
    Assignee: Ama Precision Inc.
    Inventors: Hsueh-Lung Cheng, Ming-Feng Tsai
  • Patent number: 7940527
    Abstract: Cooling systems (1) suitable for cooling an electronic unit (2) or assembly. The cooling system is provided with a cooling channel (6). An electronic unit (2) rests over a heat-conducting cooler wall (7). A coolant guide apparatus (11) is provided in the cooling channel (6) and has insert conduit elements (13) for guiding the coolant onto the cooler wall indentations (12). The end of each insert conduit (13) opening to the cooling channel (6) may be provided with an inclined entry surface (19) and an inlet opening (20) towards the inner longitudinal channel (14). A plurality of such coolant guides (11) may be arranged in series so that, for example, the same cooling medium flows through a plurality of semiconductor modules in succession.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: May 10, 2011
    Assignee: BRUSA Elektronik AG
    Inventor: Axel Krause
  • Patent number: 7936563
    Abstract: The present invention relates to an integrated-circuit device and to a method for fabricating an integrated-circuit device with an integrated fluidic-cooling channel. The method comprises forming recesses in a dielectric layer sequence at desired lateral positions of electrical interconnect segments and at desired lateral positions of fluidic-cooling channel segments. A metal filling is deposited in the recesses of the dielectric layer sequence so as to form the electrical interconnect segments and to form a sacrificial filling in the fluidic-cooling channel segments. Afterwards, the sacrificial metal filling is selectively removed from the fluidic-cooling channel segments.
    Type: Grant
    Filed: December 19, 2006
    Date of Patent: May 3, 2011
    Assignee: NXP B.V.
    Inventors: Laurent Gosset, Vincent Arnal
  • Patent number: 7929305
    Abstract: A system includes a plurality of motor controllers. A coolant system for the plurality of motor controller has a common inlet line, a common outlet line, and a plurality of parallel branch lines leading to the plurality of motor controllers. A control selectively increases a flow of coolant to certain of the plurality of motor controllers or limits the flow of coolant to others of the plurality of motor controllers. In addition, a method of operating a system of motor controllers is disclosed and claimed.
    Type: Grant
    Filed: July 16, 2009
    Date of Patent: April 19, 2011
    Assignee: Hamilton Sundstrand Corporation
    Inventor: Debabrata Pal
  • Patent number: 7928563
    Abstract: Three dimensional integrated circuits with microfluidic interconnects and methods of constructing same are provided. According to some embodiments, and microfluidic integrated circuit system can comprise a plurality of semiconductor die wafers each having a top and bottom exterior surface. The semiconductor die wafers can form a stack of die wafers. The die wafers can comprise one or more channels formed through the die wafers. The channels can extend generally between top and bottom exterior surfaces of the semiconductor die wafers. A plurality of micro-pipes can be disposed between adjacent semiconductor die wafers in the stack. The micro-pipes can enable the channels to be in fluid communication with each other. A barrier layer can be disposed within at least one of the channels and the micro-pipes. The barrier layer can be adapted to prevent a coolant flowing through the at least one of the channels and the micro-pipes from leeching into the channels and micro-pipes.
    Type: Grant
    Filed: May 28, 2008
    Date of Patent: April 19, 2011
    Assignee: Georgia Tech Research Corporation
    Inventors: Muhannad S. Bakir, Deepak Sekar, Bing Dang, Calvin King, Jr., James D. Meindl
  • Patent number: 7928565
    Abstract: A semiconductor device having a higher thermal dissipation efficiency includes a thermally conducting structure attached to a surface of the semiconductor device via soldering. The thermally conducting structure is essentially formed of a thermally conducting material and comprises an array of freestanding fins, studs or frames, or a grid of connected fins. A process for fabricating such a semiconductor device includes forming a thermally conducting structure on a carrier and attaching the thermally conducting structure formed on the carrier to a surface of the semiconductor device via soldering.
    Type: Grant
    Filed: February 22, 2010
    Date of Patent: April 19, 2011
    Assignee: International Business Machines Corporation
    Inventors: Thomas J. Brunschwiler, Michel Despont, Mark A. Lantz, Bruno Michel, Peter Vettiger
  • Patent number: 7924564
    Abstract: According to one embodiment of the disclosure, an integrated antenna structure comprises a plurality of radiating elements, cooling channels embedded directly within each of the plurality of radiating elements, a fluid inlet, and a fluid outlet. Each of the plurality of radiating elements receive or transmit electromagnetic energy. The cooling channels are formed by an internal surface of the radiating elements. The fluid inlet and the fluid outlet are in communication with each of the cooling channels. Each of the cooling channels provides a heat exchanging function by receiving at least a portion of a fluid coolant from the fluid inlet, transferring a least a portion of the thermal energy from the respective radiating element to the received portion of the fluid coolant, and dispensing of at least a portion of the received fluid coolant out of the cooling channel to the fluid outlet.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: April 12, 2011
    Assignee: Raytheon Company
    Inventor: James S. Wilson
  • Patent number: 7916481
    Abstract: The invention relates to an electronic board that comprises: a planar projection plate (42) provided between an intake opening (70) and a discharge opening (72); and a plurality of rectilinear nozzles (86-90) extending through said plate along a projection direction, the projection direction of each nozzle defining an angle relative to a direction perpendicular to a sole (78) of the electronic component (6) to be cooled, the angle ? being comprised in a range of ?30 and +30°.
    Type: Grant
    Filed: January 7, 2008
    Date of Patent: March 29, 2011
    Assignee: Sames Technologies
    Inventors: Caryl Thome, Stéphane Robert
  • Patent number: 7911792
    Abstract: A power module package including a fully enclosed package comprising sidewalls; wherein at least one of said sidewalls includes a conductive substrate; wherein circuit elements are mounted on said conductive substrate on a first side comprising an inner side of said enclosed package; and, wherein a majority area of a second side of said conductive substrate is exposed, the power package has an improved interconnection configuration and compact power I/O terminals, offering low electrical parasitics, a plurality of individual power module packages can be attached seamlessly and positioned in a liquid coolant with multiple top portion open channels, as well as attached to a laminar power connector (busbar) to form various electrical power conversion topologies, the module offers low thermal resistance and low electrical parasitics, in addition to small volume, light weight and high reliability.
    Type: Grant
    Filed: March 11, 2008
    Date of Patent: March 22, 2011
    Assignee: Ford Global Technologies LLC
    Inventors: Zhenxian Liang, Chingchi Chen, Michael W. Degner
  • Patent number: 7911794
    Abstract: A semiconductor package includes a package main body having a base portion and a semiconductor device accommodating portion, electric terminals electrically connected to a semiconductor device in the accommodating portion and exposed to an outer surface, and a high heat transfer element disposed in the base portion to extend from a heat generation site corresponding position corresponding to a heat generating site of the semiconductor device to a position in an outside of the heat generation site corresponding position. The base portion is configured by bringing a plurality of thin plates in close contact with each other to bond them integrally, and the high heat transfer element includes at least one combination of fluid passage formed in the base portion and a heat transfer fluid sealed in the passage, or at least one heat pipe.
    Type: Grant
    Filed: October 15, 2008
    Date of Patent: March 22, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Tsuyoshi Hasegawa
  • Patent number: 7911052
    Abstract: The formation of electronic assemblies is described. In one embodiment, an electronic assembly includes a semiconductor die and a plurality of spaced apart nanotube structures on the semiconductor die. The electronic assembly also includes a fluid positioned between the spaced apart nanotube structures on the semiconductor die. The electronic assembly also includes a endcap covering the plurality of nanotube structures and the fluid, wherein the endcap is positioned to define a gap between the nanotube structures and an interior surface of the endcap. The endcap is also positioned to form a closed chamber including the working fluid, the nanotube structures, and the gap between the nanotube structures and the interior surface of the endcap.
    Type: Grant
    Filed: September 30, 2007
    Date of Patent: March 22, 2011
    Assignee: Intel Corporation
    Inventors: Unnikrishnan Vadakkanmaruveedu, Gregory Martin Chrysler, James G. Maveety
  • Patent number: 7903411
    Abstract: A cold plate assembly includes a cold plate with at least two plumbing ports. The cold plate assembly further includes a spring plate assembly, which applies an actuation load to the cold plate. The spring plate assembly includes a spring plate and a spring pin moveable in a slot of the spring plate assembly to maintain the actuation load. The actuation load is configured to mechanically actuate the cold plate to a module.
    Type: Grant
    Filed: August 4, 2008
    Date of Patent: March 8, 2011
    Assignee: International Business Machines Corporation
    Inventors: Levi A. Campbell, John L. Colbert, Michael J. Ellsworth, Jr., Arvind K. Sinha
  • Patent number: 7888786
    Abstract: Apparatus and methods are provided for integrating microchannel cooling modules within high-density electronic modules (e.g., chip packages, system-on-a-package modules, etc.,) comprising multiple high-performance IC chips. Electronic modules are designed such that high-performance (high power) IC chips are disposed in close proximity to the integrated cooling module (or cooling plate) for effective heat extraction. Moreover, electronic modules which comprise large surface area silicon carriers with multiple chips face mounted thereon are designed such that integrated silicon cooling modules are rigidly bonded to the back surfaces of such chips to increase the structural integrity of the silicon carriers.
    Type: Grant
    Filed: April 13, 2007
    Date of Patent: February 15, 2011
    Assignee: International Business Machines Corporation
    Inventors: Paul S. Andry, Evan G. Colgan, Lawrence S. Mok, Chirag S. Patel, David E. Seeger
  • Patent number: 7884468
    Abstract: A cooling device is provided for liquid cooling a power semiconductor device. The device includes a coolant diverter for guiding liquid coolant to the power semiconductor device. The coolant diverter has a first plate for dividing the coolant diverter into a first cavity and a second cavity. The second cavity positioned adjacent the power semiconductor device. The first plate further includes an opening to fluidly couple the first cavity with the second cavity such that the liquid coolant flows into the first cavity, through the opening in the first plate, and into the second cavity to cool the power semiconductor device. The first cavity has a cross-sectional area that generally decreases in a downstream direction, and the second cavity has a cross-sectional area that generally increases in the downstream direction.
    Type: Grant
    Filed: July 23, 2008
    Date of Patent: February 8, 2011
    Assignee: GM Global Technology Operations LLC
    Inventors: Brooks S Mann, George R. Woody, Terence G. Ward, David F. Nelson
  • Patent number: 7882624
    Abstract: To accommodate high power densities associated with high-performance integrated circuits, an integrated circuit (IC) package includes a heat-dissipating structure in which heat is dissipated from a surface of one or more dice to a heat spreader. The heat spreader has a fluid-conducting channel formed therein, and a fluid coolant may be circulated through the channel via a micropump. In an embodiment, the channel is located at or near a surface of the heat spreader, and a heat-generating IC is in thermal contact with the heat spreader. In an embodiment, the IC is a thinned die that is coupled to the heat spreader via a thinned thermal interface material. Methods of fabrication, as well as application of the package to an electronic assembly and to an electronic system, are also described.
    Type: Grant
    Filed: February 27, 2006
    Date of Patent: February 8, 2011
    Assignee: Intel Corporation
    Inventors: Chuan Hu, Ravi V. Mahajan
  • Publication number: 20110024892
    Abstract: A flip chip microelectronic package having a heat spreader is provided. In one embodiment, the microelectronic package comprises a die having a first surface and a second surface, the first surface being coupled to a substrate; a thermal interface material disposed in thermal conductive contact with the second surface of the die; and a heat spreader adapted for dissipating heat from the die, the heat spreader disposed in thermal conductive contact with the thermal interface material. The heat spreader includes a lid having an inner chamber therein defined by a first wall and a second wall, the second wall securely joined to the first wall to seal the chamber, the lid being mounted to the substrate and a wick layer positioned in the chamber.
    Type: Application
    Filed: May 19, 2010
    Publication date: February 3, 2011
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Po-Yao LIN, Wen-Yi LIN
  • Patent number: 7876563
    Abstract: A cooling structure of a power semiconductor device includes a cooling water passage and a plurality of fins. The cooling water for cooling the power semiconductor device flows through the cooling water passage. The plurality of fins are provided on a path of the cooling water passage and set up with a spacing therebetween in a direction orthogonal to a flow direction of the cooling water. The plurality of fins promote heat exchange between the power semiconductor device and the cooling water. The plurality of fins have ends facing the upstream side of a cooling water flow. The end of at least one fin among the plurality of fins is arranged so as to be displaced to a more upstream side of the cooling water flow than the ends of the fins adjacent to both sides of the at least one fin. By such a configuration, there is provided a cooling structure of a power semiconductor device and an inverter with excellent cooling efficiency.
    Type: Grant
    Filed: January 30, 2007
    Date of Patent: January 25, 2011
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Kenjiro Shiba
  • Patent number: 7876564
    Abstract: A method and apparatus for cooling chips on a computer memory module. The apparatus includes a primary and secondary heat spreaders, at least a first heatpipe coupled to the primary heat spreader and having a remote portion spaced apart from the primary heat spreader and thermally contacting the secondary heat spreader, and a coolant within the first heatpipe and the primary heat spreader so as to absorb heat from the primary heat spreader and conduct the heat to the secondary heat spreader. The primary heat spreader has at least two panels configured to engage the memory module therebetween, with facing contact surfaces of the panels adapted for thermal contact with the module chips. The secondary heat spreader is configured to increase surface dissipation of heat from the first heatpipe into the environment. The coolant has a boiling point at or below a maximum preselected operating temperature of the module chips.
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: January 25, 2011
    Assignee: CCZ Technology Group, Inc.
    Inventors: Mohasit Monh, Ryan Petersen
  • Patent number: 7876562
    Abstract: An electronic module is provided having enhanced thermal cooling of electronics. The module includes a housing, electronic circuitry contained within the housing, and a fluid cooling chamber extending through the housing. The chamber has generally conical shaped portions at opposite ends. At least one thermal cooling insert extends into the chamber. The insert comprises a plurality of projections for forming fluid flow passages between adjacent projections, wherein the projections engage the generally conical shape portion of the chamber.
    Type: Grant
    Filed: March 4, 2008
    Date of Patent: January 25, 2011
    Assignee: Delphi Technologies, Inc.
    Inventor: Roy A. Visser
  • Publication number: 20110012252
    Abstract: Disclosed herein is a power semiconductor module. The module includes metal plates each having a first through hole, with an anodic oxidation layer formed on a surface of metal plates and an interior of the first through hole. A cooling member has a second through hole at a position corresponding to the first through hole, and the metal plates are attached to both sides of the cooling member. A circuit layer is formed on the anodic oxidation layer and performs an interlayer connection through a via formed in the first and second through holes. A power device is connected to the circuit layer. A resin encapsulant encloses the circuit layer and the power device. A housing is installed to each of the metal plates to form a sealing space for the resin encapsulant.
    Type: Application
    Filed: August 31, 2009
    Publication date: January 20, 2011
    Inventors: Shan GAO, Seog Moon Choi, Tae Hyun Kim, Ju Pyo Hong, Bum Sik Jang, Ji Hyun Park
  • Patent number: 7870893
    Abstract: A cooling device includes a base having cells. A pipe is coupled to the base for each of the cells. The pipes include passages that carry fluid toward the cell and away from the cell. A magnetohydrodynamic pump system coupled to the pipe circulates an electrically conductive cooling fluid within the passages and the cell. An orifice may emits jets of fluid into the cells. A controller coupled to the cooling device may independently control flow rates in two or more cells of the cooling device. The controller may receive information from the temperature sensors on the base of the cooling device for use in controlling the flow rates in the cells.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: January 18, 2011
    Assignee: Oracle America, Inc.
    Inventors: Chien Ouyang, Kenneth C. Gross
  • Patent number: 7872349
    Abstract: An integrated circuit arrangement and method of fabricating the integrated circuit arrangement is provided. At least one integrated electronic component is arranged at a main area of a substrate. The component is arranged in the substrate or is isolated from the substrate by an electrically insulating region. Main channels are formed in the substrate and arranged along the main area. Each main channel is completely surrounded by the substrate transversely with respect to a longitudinal axis. Transverse channels are arranged transversely with respect to the main channels. Each transverse channel opens into at least one main channel. More than about ten transverse channels open into a main channel.
    Type: Grant
    Filed: January 3, 2006
    Date of Patent: January 18, 2011
    Assignee: Infineon Technologies AG
    Inventors: Volker Lehmann, Reinhard Stengl, Herbert Schaefer