Boiling (evaporative) Liquid Patents (Class 257/715)
  • Patent number: 8564952
    Abstract: A heat sink, and cooled electronic structure and cooled electronic apparatus utilizing the heat sink, are provided. The heat sink is fabricated of a thermally conductive structure which includes one or more coolant-carrying channels and one or more vapor-condensing channels. A membrane is disposed between the coolant-carrying channel(s) and the vapor-condensing channel(s). The membrane includes at least one vapor-permeable region, at least a portion of which overlies a portion of the coolant-carrying channel(s) and facilitates removal of vapor from the coolant-carrying channel(s) to the vapor-condensing channel(s). The heat sink further includes one or more coolant inlets coupled to provide a first liquid coolant flow to the coolant-carrying channel(s), and a second liquid coolant flow to condense vapor within the vapor-condensing channel(s).
    Type: Grant
    Filed: July 25, 2011
    Date of Patent: October 22, 2013
    Assignee: International Business Machines Corporation
    Inventors: Levi A. Campbell, Richard C. Chu, Milnes P. David, Michael J. Ellsworth, Jr., Madusudan K. Iyengar, Robert E. Simons
  • Patent number: 8563365
    Abstract: An exemplary embodiment of the present invention provides a chip for use in fabricating a three-dimensional integrated circuit, the chip comprising a wafer, one or more metallic-filled, electrical vias, and one or more hollow, fluidic vias. The wafer can comprise a first surface and a second surface. The one or more metallic-filled, electrical vias can extend through the wafer. Each electrical via can be in electrical communication with an electrical interconnect proximate the first surface, providing electrical communication between chips in the integrated circuit. The one or more hollow, fluidic vias can extend through the wafer. Each fluidic via can be in fluid communication with a fluidic interconnect, providing fluid communication between adjacent chips in the integrated circuit. Each fluidic interconnect can comprise a first end proximate the first surface, a second end, and a cap proximate the second end, defining an air-filled space within the fluidic interconnect.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: October 22, 2013
    Assignee: Georgia Tech Research Corporation
    Inventors: Calvin Richard King, Jr., Jesal Zevari, James D. Meindl, Muhannad S. Bakir
  • Patent number: 8558375
    Abstract: A semiconductor device includes a package and a cooler. The semiconductor package includes a semiconductor element, a metal member, and a molding member for encapsulating the semiconductor element and the metal member. The metal member has a metal portion thermally connected to the semiconductor element, an insulating layer on the metal portion, and a conducting layer on the insulating layer. The conducting layer is at least partially exposed outside the molding member and serves as a radiation surface for radiating heat of the semiconductor element. The cooler has a coolant passage through which a coolant circulates to cool the conducting layer. The conducting layer and the cooler are electrically connected together.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: October 15, 2013
    Assignee: DENSO CORPORATION
    Inventors: Kuniaki Mamitsu, Takahisa Kaneko, Masaya Tonomoto, Masayoshi Nishihata, Hiroyuki Wado, Chikage Noritake, Eiji Nomura, Toshiki Itoh
  • Patent number: 8546930
    Abstract: Three dimensional integrated circuits with double sided power, coolant, and data features and methods of constructing same are provided. According to some embodiments, an integrated circuit package can generally comprise one or more semiconductor wafers and opposing end substrates. The semiconductor wafers can each have a top exterior surface and a bottom exterior surface. The plurality of semiconductor wafers can form a multi-dimensional wafer stack of die wafers such that adjacent wafers have facing surfaces. Each of the semiconductor wafers can comprise one or more channels formed through the wafers. A portion of the channels can extend generally between the top and bottom exterior surfaces of the semiconductor wafers. A portion of the channels can carry conductors for coupling the wafers and/or coolant for cooling the wafers. The opposing end substrates can be disposed proximate opposing ends of the multi-dimensional stack.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: October 1, 2013
    Assignee: Georgia Tech Research Corporation
    Inventors: Muhannad S. Bakir, Gang Huang
  • Publication number: 20130241043
    Abstract: A semiconductor module includes at least one intermediate plate which has heat conductivity, power semiconductor elements which are provided for respective main surfaces of the intermediate plate, heat sinks which are arranged so that the power semiconductor elements are held between the heat sinks and the intermediate plate, and a mold part which seals the intermediate plate, the power semiconductor elements, and the heat sinks with mold resin. Surfaces of the heat sinks opposite to the side of the power semiconductor elements are exposed from the mold part. The intermediate plate has an intermediate radiator which projects in the direction parallel to the main surface from the mold part.
    Type: Application
    Filed: March 13, 2013
    Publication date: September 19, 2013
    Applicant: DENSO CORPORATION
    Inventors: Chikage KATO, Yoshiyuki YAMAUCHI
  • Patent number: 8498841
    Abstract: Methods and apparatus are provided for use with thermal electric cooling devices (TECDs). An apparatus is mapped so as to identify the heat dissipating entities and zones thereof. A first cooling plan is devised in accordance with the mapping, the cooling plan being dependant upon TECDs. At least one other cooling plan is devised that is distinct from the first cooling plan. The coefficient of performance (COP) for each of the cooling plans is calculated. One of the cooling plans is selected and implemented in accordance with a comparison of the COPs. Precision, zone-oriented cooling is provided, avoiding excessive material scale and wasted energy.
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: July 30, 2013
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Amip Shah, Chandrakant Patel
  • Patent number: 8488323
    Abstract: An electronic device has a ventilation system with an inlet section that receives inlet air that travels past components of the computing device to be cooled and exits at an outlet section. The air carries heat away from the components. A liquid heat transfer system captures heat generated by the components and transfers the captured heat to the inlet section of the ventilation system to warm the inlet air before it travels past the components to be cooled.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: July 16, 2013
    Assignee: Microsoft Corporation
    Inventors: Eric C. Peterson, Christian L. Belady
  • Patent number: 8421235
    Abstract: The semiconductor device has a unit stack body including a plurality of units stacked on one another. Each unit includes a power terminal constituted of a lead part and a connection part. The connection part is formed with a projection and a recess. When the units are stacked on one another, the projection of one unit is fitted to the recess of the adjacent unit, so that the power terminals of the respective unit are connected to one another.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: April 16, 2013
    Assignee: Denso Corporation
    Inventors: Shigeo Ide, Akihiro Niimi
  • Patent number: 8405992
    Abstract: A power-electronic arrangement comprising semiconductor components (102, 103, 107), a heat exchanger (110), and an electrically conductive element (109) is presented. The heat exchanger comprises evaporator channels (111) and condenser channels (112) for working fluid. The electrically conductive element comprises a contact surface providing a thermal contact to outer surfaces of walls of the evaporator channels for transferring heat from the electrically conductive element to the evaporator channels. A main current terminal of each semiconductor component is bonded to the electrically conductive element which thus forms a part of a main current circuitry of a power system. As the main current terminal is directly bonded to the electrically conductive element cooled with the heat exchanger, the temperature gradients inside the semiconductor components can be kept moderate, and thus the temperatures inside the semiconductor components can be limited.
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: March 26, 2013
    Assignee: ABB Research Ltd.
    Inventors: Berk Yesin, Bruno Agostini, Christoph Haederli, Chunlei Liu, Francesco Agostini, Hamit Duran, Slavo Kicin
  • Patent number: 8397798
    Abstract: A two-phase heat transfer system includes an evaporator, a condenser, a vapor line, and a liquid return line. The evaporator includes a liquid inlet, a vapor outlet, and a capillary wick having a first surface adjacent the liquid inlet and a second surface adjacent the vapor outlet. The condenser includes a vapor inlet and a liquid outlet. The vapor line provides fluid communication between the vapor outlet and the vapor inlet. The liquid return line provides fluid communication between the liquid outlet and the liquid inlet. The wick is substantially free of back-conduction of energy from the second surface to the first surface due to an increase in a conduction path from the second surface to the first surface and due to suppression of nucleation of a working fluid from the second surface to the first surface to promote liquid superheat tolerance in the wick.
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: March 19, 2013
    Assignee: Alliant Techsystems Inc.
    Inventors: Edward J. Kroliczek, Kimberly R. Wrenn, David A. Wolf, Sr.
  • Patent number: 8385067
    Abstract: A system to remove heat from an in-line memory module and/or circuit board may include a cold-rail to engage each end of an in-line memory module adjacent to where the in-line memory module is attachable to a circuit board, the cold-rail to remove heat from the in-line memory module. The system may also include a cold-plate connected to the cold-rail with the circuit board between the cold-plate and the cold-rail, the cold-plate to remove heat from the circuit board.
    Type: Grant
    Filed: November 11, 2010
    Date of Patent: February 26, 2013
    Assignee: International Business Machines Corporation
    Inventors: Amilcar Arvelo, Jason R. Eagle, Eric A. Eckberg, Gary F. Goth, Katie L. Pizzolato, Scott A. Shurson
  • Patent number: 8384212
    Abstract: To provide a semiconductor equipment having high heat-transfer effect and breakdown voltage, and a method of manufacturing the same. The semiconductor equipment includes: a sealed container; a stem connected to the sealed container via a stem peripheral portion; and a semiconductor chip mounted on a top surface of the stem, inside the sealed container. The semiconductor chip is electrically connected to a lead provided to the stem, the stem peripheral portion, which is of a material that is different from the material of stem and the same as the material of the sealed container, is bonded along a periphery of the stem, and the sealed container is filled with a working fluid including at least one of ethanol, a perfluorocarbon, and a fluoroether.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: February 26, 2013
    Assignee: Panasonic Corporation
    Inventors: Nobuyuki Otsuka, Manabu Yanagihara, Shuichi Nagai, Daisuke Ueda
  • Patent number: 8369091
    Abstract: Cooling apparatus and method are provided for immersion-cooling of an electronic subsystem of an electronics rack. The cooling apparatus includes a housing at least partially surrounding and forming a sealed compartment about the electronic subsystem and a dielectric fluid disposed within the sealed compartment so that the electronic subsystem is immersed within the dielectric fluid. A liquid-cooled vapor condenser is provided which includes a plurality of thermally conductive condenser fins extending within the sealed compartment. The condenser fins facilitate cooling and condensing of dielectric fluid vapor generated within the sealed compartment. Within the sealed compartment, multiple thermally conductive condenser fins are interleaved with multiple electronic components immersed within the dielectric fluid to facilitate localized cooling and condensing of dielectric fluid vapor between the multiple electronic components.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: February 5, 2013
    Assignee: International Business Machines Corporation
    Inventors: Levi A. Campbell, Richard C. Chu, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar, Robert E. Simons
  • Patent number: 8345423
    Abstract: Cooling apparatuses and methods are provided for immersion-cooling of an electronic subsystem of an electronics rack. The cooling apparatuses include a housing at least partially surrounding and forming a sealed compartment about the electronic subsystem and a dielectric fluid disposed within the sealed compartment, with the electronic subsystem being immersed within the dielectric fluid. A liquid-cooled vapor condenser is provided which includes a plurality of thermally conductive condenser fins extending within the sealed compartment. The condenser fins facilitate cooling and condensing of dielectric fluid vapor generated within the sealed compartment. Within the sealed compartment, multiple thermally conductive condenser fins are interleaved with multiple fluid-boiling fins of a heat spreader coupled to one or more of the electronic components immersed within the dielectric fluid. The interleaved fins facilitate localized cooling and condensing of dielectric fluid vapor within the sealed compartment.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: January 1, 2013
    Assignee: International Business Machines Corporation
    Inventors: Levi A. Campbell, Richard C. Chu, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar, Robert E. Simons
  • Patent number: 8322404
    Abstract: A heat dissipation device for removing heat from an electronic device and electronic components, includes a base plate in contact with the electronic device, a first fin set and a second fin set mounted on the base plate. The first fin set includes a plurality of first fins perpendicularly arranged on the base plate. The second fin set includes a plurality of second fins attached to a lateral side of the first fin set and perpendicular to both the first fins and the base plate. A fan is mounted on tops of the first fin set and the second fin set to cover both of them. Air generated by the fan flows through the first and second fin sets to cool the electronic components mounted on orthogonally neighboring sides of the heat dissipation device.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: December 4, 2012
    Assignees: Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Foxconn Technology Co., Ltd.
    Inventors: Zhi-Sheng Lian, Gen-Ping Deng, Chun-Chi Chen
  • Patent number: 8313220
    Abstract: A light emitting diode (LED) lighting fixture includes a lamp housing including a heat conductive cover, and a light transmissive shield connected detachably to a periphery of the heat conductive cover to define a compartment therebetween. A base seat is disposed in the compartment. An LED lamp device is mounted on the base seat. A heat conductive unit is disposed in the compartment and includes at least one heat conductive pipe and a heat conductive medium flowing within the heat conductive pipe due to a change between a liquid state and a gaseous state thereof. The heat conductive pipe includes a heat exchange portion that absorbs heat generated by the LED lamp device, and a heat-dissipating portion that conducts heat absorbed by the heat exchange portion to the heat conductive cover.
    Type: Grant
    Filed: August 6, 2009
    Date of Patent: November 20, 2012
    Assignee: Taiwan Jeson Intermetallic Co., Ltd.
    Inventor: Ko-Ning Chang
  • Patent number: 8288857
    Abstract: A tamper-resistant microchip package contains fluid- or nanofluid-filled capsules, channels, or reservoirs, wherein the fluids, either alone or in combination, can destroy circuitry by etching, sintering, or thermally destructing when reverse engineering of the device is attempted. The fluids are released when the fluid-filled cavities are cut away for detailed inspection of the microchip. Nanofluids may be used for the sintering process, and also to increase the thermal conductivity of the fluid for die thermal management. Through-vias and micro vias may be incorporated into the design to increase circuitry destruction efficacy by improving fluid/chip contact. Thermal interface materials may also be utilized to facilitate chip cooling.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: October 16, 2012
    Assignee: Endicott Interconnect Technologies, Inc.
    Inventors: Rabindra N. Das, Voya R. Markovich, James J. McNamara, Jr., Mark D. Poliks
  • Patent number: 8286694
    Abstract: The present invention provides an apparatus including aluminum alloy vessel, the vessel including aluminum in combination with a gettering metal and a method for making such apparatus.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: October 16, 2012
    Assignee: Thermal Corp.
    Inventors: John H. Rosenfeld, G. Yale Eastman
  • Patent number: 8272230
    Abstract: A temperature control unit for an electronic component and a handler apparatus, which are excellent in responsibility during cooling and heating, is obtained. The temperature control unit for an electronic component includes a cooling cycle device having a refrigerant passage circulating through a compressor, a condenser, an expander, and an evaporator; a thermally conductive block having an outer surface capable of coming in contact with the electronic component that is an object to be temperature-controlled, where an inner surface corresponding to the outer surface is placed opposite to the outer surface so as to be brought in contact with or apart from the evaporator; at least one first heater for heating the thermally conductive block; and a compressed air feeding circuit for feeding compressed air between facing surfaces of the evaporator and the thermally conductive block to part them.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: September 25, 2012
    Assignee: Seiko Epson Corporation
    Inventor: Satoshi Nakamura
  • Patent number: 8251131
    Abstract: A cooling device including a heat absorbing unit, provided with an inflow port of a coolant medium and a discharge port for discharging the coolant medium, sealing the coolant medium in parts other than the inflow port and the discharge port, wherein the heat absorbing unit includes an upper member having an installation surface where semiconductor elements serving as an object to be cooled are installed and a cooling surface serving as a back surface of installation surface, and a lower member forming a chamber having cooling surface as a part of a inner wall surface together with upper member. Injection ports communicating with inflow port for injecting the coolant medium toward cooling surface are provided and the discharge port is provided at a position lower than opening positions of injection ports in lower member.
    Type: Grant
    Filed: July 10, 2007
    Date of Patent: August 28, 2012
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Tadafumi Yoshida, Yutaka Yokoi, Hiroshi Osada
  • Patent number: 8248785
    Abstract: An exemplary electronic device includes an enclosure, two electronic components received in the enclosure, a heat sink, and a thermal insulation member. The enclosure defines a receiving space for receiving the electronic components and the thermal insulation member. Two ventilating holes are defined in the enclosure. The thermal insulating member defines a heat dissipating passage therein, communicating with the exterior via the ventilating holes of the enclosure. The heat sink is received in the heat dissipating passage and thermally coupled to the electronic components for dissipating heat from the electronic components. The heat dissipating passage is substantially thermally insulated from the part of the receiving space of the enclosure having the electronic components by the thermal insulation member.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: August 21, 2012
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Zhi-Bin Guan
  • Patent number: 8245763
    Abstract: A heat dissipation device includes a heat pipe and a heat sink. The heat pipe includes a condenser section and an evaporator section. The condenser section has a planar outer surface. The heat sink includes a supporting surface for contacting the outer surface of the condenser section. A guiding line is defined in the supporting surface for spreading a solder therealong. The guiding line has a width smaller than a width of the outer surface of the condenser section. The condenser section of the heat pipe is mounted on the supporting surface of the heat sink along the guiding line and firmly connected to the heat sink by the solder.
    Type: Grant
    Filed: September 14, 2009
    Date of Patent: August 21, 2012
    Assignees: Furui Precise Component (Kunshan) Co., Ltd., Foxconn Technology Co., Ltd.
    Inventors: Ming-Tang Zhang, Wei-Hsiang Chang, Nien-Tien Cheng
  • Patent number: 8237263
    Abstract: An integrated circuit, a method of operating the integrated circuit, and a method of fabricating the integrated circuit are disclosed. According to one of the broader forms of the invention, a method and apparatus involve an integrated circuit that includes a heat transfer structure having a chamber that has a fluid disposed therein and that extends between a heat generating portion and a heat absorbing portion. Heat is absorbed into the fluid from the heat generating portion, and the fluid changes from a first phase to a second phase different from the first phase when the heat is absorbed. Heat is released from the fluid to the heat absorbing portion, and the fluid changes from the second phase to the first phase when the heat is released.
    Type: Grant
    Filed: December 31, 2009
    Date of Patent: August 7, 2012
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ting-Hau Wu, Chun-Ren Cheng, Chun-Wen Cheng, Jiou-Kang Lee, Jung-Huei Peng, Shang-Ying Tsai, Te-Hsi Lee
  • Patent number: 8238101
    Abstract: The memory module comprises a circuit board with a first and a second side, wherein memory chips are arranged at least on the first side. A longitudinally extending module heat conductor is arranged on the first side. The module heat conductor comprises a contact surface configured to contact a heat transfer system.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: August 7, 2012
    Assignee: Qimonda AG
    Inventors: Sven Kalms, Christian Weiss
  • Patent number: 8230908
    Abstract: A heat sink for dissipating a thermal load is disclosed that includes one or more heat sink bases configured around a central axis of the heat sink so as to define an interior space, at least one heat sink base receiving the thermal load, a thermal transport connected to the at least one heat sink base receiving the thermal load so as to distribute the thermal load in the heat sink, and heat-dissipating fins connected to each heat sink base, the heat-dissipating fins extending from each heat sink base into the interior space of the heat sink, each heat-dissipating fin shaped according to the location of the heat-dissipating fin with respect to the location of the thermal load and the location of the distributed thermal load in the heat sink.
    Type: Grant
    Filed: January 5, 2006
    Date of Patent: July 31, 2012
    Assignee: International Business Machines Corporation
    Inventors: Jimmy G. Foster, Sr., Donna C. Hardee, Don S. Keener, Robert R. Wolford
  • Patent number: 8228671
    Abstract: Provided is an electronic apparatus capable of also supplying sufficient air flow to a heat generating device other than the heat sink. An electronic apparatus includes: a cooling unit (10) including a heat sink (13), and a cooling fan (15) for generating air flow for receiving heat of the heat sink (13); an upper wall member (40) connected to the cooling unit (10) so as to form an outer wall defining an air passage continuous with the cooling unit (10); and a power circuit (17) arranged in the air passage and serving as an object to be cooled.
    Type: Grant
    Filed: April 1, 2010
    Date of Patent: July 24, 2012
    Assignee: Sony Computer Entertainment Inc.
    Inventor: Kensuke Ikeda
  • Patent number: 8178966
    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: November 5, 2010
    Date of Patent: May 15, 2012
    Assignee: Infineon Technologies AG
    Inventors: Volker Lehmann, Reinhard Stengl, Herbert Schäfer
  • Patent number: 8159065
    Abstract: A semiconductor package having an internal cooling system is presented which includes a semiconductor chip and a through-electrode. The semiconductor chip has a circuit section. The through-electrode passes through an upper surface and a lower surface the semiconductor chip. The through-electrode is electrically connected with the circuit section of the semiconductor chip. The through-electrode also has a through-hole for allowing cooling fluid to flow therethrough.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: April 17, 2012
    Assignee: Hynix Semiconductor Inc.
    Inventors: Min Suk Suh, Chang Jun Park
  • Patent number: 8125781
    Abstract: A semiconductor device comprises at least a semiconductor module including a semiconductor chip, a heat sink thermally connected to the semiconductor chip and a seal member for covering and sealing the semiconductor chip and the heat sink in such a manner as to expose the heat radiation surface of the heat sink. The radiation surface is cooled by a refrigerant. An opening is formed in a part of the seal member as a refrigerant path through which the refrigerant flows.
    Type: Grant
    Filed: November 1, 2005
    Date of Patent: February 28, 2012
    Assignee: DENSO CORPORATION
    Inventors: Kuniaki Mamitsu, Takanori Teshima
  • Patent number: 8120916
    Abstract: A cooling apparatus and method are provided for facilitating cooling of an electronic apparatus that includes a semiconductor element. The cooling apparatus includes an evaporator containing a coolant and evaporating the coolant under a reduced pressure lower than an ambient pressure to generate a chilled coolant, a condenser regenerating the coolant from a vapor of the coolant and being fluid-communicated with the evaporator through a bypass line, and a circulating pump and a line supplying the chilled coolant to a heat exchange area of the electronic apparatus to conduct a heat exchange with an air flow passing though the semiconductor element at a hot side of the electronic apparatus and returning the coolant after the heat exchange to the condenser.
    Type: Grant
    Filed: September 17, 2009
    Date of Patent: February 21, 2012
    Assignee: International Business Machines Corporation
    Inventors: Roger R Schmidt, Jyunji Takayoshi, Takeshi Tsukamoto, Masayoshi Funatsu, Minoru Onai, Masaaki Imai, Yoshinori Inoue
  • Patent number: 8107241
    Abstract: In a conventional cooling device, a heat pipe or a circulation-type liquid cooler provided with a pump is used and therefore, a large space is needed for the cooling device. There is provided a cooling device which includes a plurality of cooling modules having cooling units for cooling heat-generating elements by coolant and radiation units for radiating heat from the coolant heated in the cooling units, the plurality of cooling modules being bubble-pump-type ones in which the coolant is circulated between the radiation units and the cooling units by the coolant being boiled in the cooling units, the radiation units being arranged side by side, and a cooling fan for generating wind blowing the radiation units.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: January 31, 2012
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tetsuya Takahashi, Kazuyoshi Toya, Akihiro Murahashi, Yasushi Nakayama, Shigetoshi Ipposhi, Kenichi Hayashi
  • Patent number: 8100567
    Abstract: Light-emitting devices can include a package that supports one or more light-emitting die (e.g., light-emitting diode die, laser diode die) and which can ensure mechanically stability, can facilitate electrical and/or thermal coupling with light-emitting die, and can manipulate the manner by which light generated by the die is emitted out of the light-emitting device. The package can also facilitate the integration of the light-emitting devices in various components and systems. For example, suitable packages may facilitate the use of light-emitting devices in components and systems such as light-emitting panel assemblies, LCD back lighting, general lighting, decorative or display lighting, automotive lighting, and other types of lighting components and systems.
    Type: Grant
    Filed: December 30, 2005
    Date of Patent: January 24, 2012
    Assignee: Rambus International Ltd.
    Inventors: Alexei A. Erchak, Michael Lim, Elefterios Lidorikis, Jo A. Venezia, Nikolay I. Nemchuk, Robert F. Karlicek, Jr.
  • Patent number: 8084694
    Abstract: An electrical contact device comprising a first contact assemblage having multiple contact pads disposed in a row which are allocated to different connection types, and having a second contact assemblage having multiple contact pads disposed in a row in accordance with a predetermined sequence, which are allocated to different connection types and having bonding wire connections that electrically connect at least some of the contact pads of the first contact assemblage to contact pads of the second contact assemblage.
    Type: Grant
    Filed: July 25, 2006
    Date of Patent: December 27, 2011
    Assignee: Robert Bosch GmbH
    Inventors: Juergen Stegmaier, Markus Ledermann
  • Patent number: 8081461
    Abstract: A cooling apparatus and method of fabrication are provided for facilitating cooling of an electronic device. The cooling apparatus includes a thermally conductive porous material and a liquid coolant supply. The thermally conductive porous material (such as metal foam material) is coupled to a surface of the electronic device to be cooled, or a structure coupled to the electronic device. The liquid coolant supply includes a jet impingement structure, which includes one or more jet nozzles for directing liquid coolant onto the surface to be cooled. The jet nozzle(s) extends into the thermally conductive porous material, and facilitates delivery of liquid coolant onto the surface to be cooled. The thermally conductive porous material is in thermal contact with the surface to be cooled and facilitates cooling of the electronic device by boiling of the liquid coolant passing through the porous material.
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: December 20, 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: 8064201
    Abstract: A thermal module includes a fin assembly, a heat spreader, a heat pipe connected between the fin assembly and the heat spreader, and a securing plate. The securing plate has at least three resilient members secured on a bottom surface thereof. Each of the resilient members has a capability to deform resiliently along a direction perpendicular to the bottom surface of the securing plate to resiliently press the heat spreader to an electronic component.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: November 22, 2011
    Assignee: Foxconn Technology Co., Ltd.
    Inventors: Po-Hsuan Kuo, Chih-Hsun Lin
  • Patent number: 8047267
    Abstract: The present invention is directed to an apparatus for cooling communication equipment using a heat pipe, which releases heat from a heat-emitting unit by a simple, reliable and safe scheme. The present invention provides an apparatus for releasing heat, which comprises: a heat pipe for transferring heat generated in a heat-emitting unit of the communication equipment and being mounted on a predetermined location of the heat-emitting unit; a vaporizing unit for vaporizing liquid with the heat transferred via the heat pipe and draining the vaporized liquid through a vaporization line, wherein a lower part of the vaporizing unit contacts a predetermined location of the heat pipe; a condensing unit for performing heat-exchange by condensing the vaporized liquid from the vaporizing unit and returning the condensed liquid to the vaporizing unit through a condensation line; and a small capacity fan for releasing air to the outside when the condensing unit performs the heat-exchange.
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: November 1, 2011
    Assignee: Transpacific Sonic, LLC
    Inventor: Sang Kyun Lee
  • Patent number: 8050033
    Abstract: An electronic apparatus comprises a housing that contains a heat-generating component, a heat radiating component and a fan that is adapted to apply air to the heat radiating component and including an inlet port and an outlet port. The electronic apparatus further comprises a support member situated within the housing and arranged so that that the outlet port of the fan faces the heat radiating component. Being coupled to the fan and the heat radiating component, the support member comprises an opening portion to direct air to the fan, where the opening portion is aligned with the inlet port of the fan.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: November 1, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Kenichi Ishikawa
  • 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: 8018720
    Abstract: Vapor condensers and cooling apparatuses are provided which facilitate vapor condensation cooling of a coolant employed in cooling an electronic device. The vapor condenser includes a thermally conductive base structure with a plurality of condenser fins extending from the base structure. The condenser fins have a proximal end coupled to the base structure and a remote end remote from the base structure. At least one exposed cavity is provided within each condenser fin extending from the remote end towards the proximal end. The exposed cavities are sized to provide greater condenser fin surface area for facilitating vapor condensate formation, and thereby facilitate cooling of an electronic device using a two-phase coolant.
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: September 13, 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: 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: 7990714
    Abstract: A heat dissipation device includes a heat sink, a heat absorbing plate, a heat pipe thermally connecting the heat sink and the absorbing plate, a pressing plate secured to the heat absorbing plate and pressing an end of the heat pipe to the heat absorbing plate, and a plurality of fasteners extending through the pressing plate to secure the end of the heat pipe, the heat absorbing plate and the pressing plate to a printed circuit board. Each of the fasteners includes a connecting portion extending through the pressing plate, a first operating portion extending from the connecting portion, and a second operating portion formed at an end face of the first operating portion. The first and second operating portions are configured to be operated by different tools.
    Type: Grant
    Filed: July 27, 2009
    Date of Patent: August 2, 2011
    Assignees: Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Foxconn Technology Co., Ltd.
    Inventor: Jian Yang
  • Patent number: 7990712
    Abstract: A heat sink used in an interface card includes a supporting base, a first heat-dissipating body and a second heat-dissipating body. The supporting base has a side. The first heat-dissipating body is mounted on the supporting base. The first heat-dissipating body is constituted of a plurality of overlapping heat-dissipating pieces. The heat-dissipating pieces are arranged obliquely with respect to the side. The second heat-dissipating body overlaps on the first heat-dissipating body. The second heat-dissipating body comprises a plurality of heat-dissipating pieces. Via the above arrangement, the heat-dissipating efficiency of the interface card can be increased and the lifetime thereof can be extended.
    Type: Grant
    Filed: December 31, 2008
    Date of Patent: August 2, 2011
    Assignee: Cooler Master Co., Ltd.
    Inventor: Yuan-Cheng Fang
  • Patent number: 7974096
    Abstract: The present disclosure relates to heat transfer thermal management device utilizing varied methods of heat transfer to cool a heat generating component from a circuit assembly or any other embodiment where a heat generating component can be functionally and operatively coupled. In a proposed embodiment, at least one heat pipe is used to transfer heat from the condensation portion of a vapor chamber to cool a bottom portion of a finned heat dissipation space and transfer the heat to a colder location on the heat fins. In another proposed embodiment, the water vapor chamber is placed in a heat sink and is adapted to thermally connect to at least one heat pipe.
    Type: Grant
    Filed: August 17, 2006
    Date of Patent: July 5, 2011
    Assignee: ATI Technologies ULC
    Inventor: Gamal Refai-Ahmed
  • Publication number: 20110156245
    Abstract: An integrated circuit, a method of operating the integrated circuit, and a method of fabricating the integrated circuit are disclosed. According to one of the broader forms of the invention, a method and apparatus involve an integrated circuit that includes a heat transfer structure having a chamber that has a fluid disposed therein and that extends between a heat generating portion and a heat absorbing portion. Heat is absorbed into the fluid from the heat generating portion, and the fluid changes from a first phase to a second phase different from the first phase when the heat is absorbed. Heat is released from the fluid to the heat absorbing portion, and the fluid changes from the second phase to the first phase when the heat is released.
    Type: Application
    Filed: December 31, 2009
    Publication date: June 30, 2011
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ting-Hau Wu, Chun-Ren Cheng, Chun-Wen Cheng, Jiou-Kang Lee, Jung-Huei Peng, Shang-Ying Tsai, Te-Hsi Lee
  • Patent number: 7969728
    Abstract: A heat dissipation device includes a heat sink having a plurality of fins defining a plurality of passageways therebetween. The passageways have an inlet and an outlet at front and rear sides of the heat sink. Two adjusting members are mounted at two lateral sides of the heat sink. A fan is located at the inlet of the passageways of the heat sink for providing airflow to the heat sink. A guiding member is positioned at the outlet of the passageways of the heat sink for guiding the airflow to electronic components around the heat dissipation device. The guiding member engages the adjusting members and can move vertically relative to adjusting members, thereby adjusting a height of the guiding member along a height of the heat sink.
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: June 28, 2011
    Assignees: Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Foxconn Technology Co., Ltd.
    Inventors: Dong-Bo Zheng, Meng Fu, Chun-Chi Chen
  • Patent number: 7967942
    Abstract: Embodiments of the present invention provide various polymeric matrices that may be used as a binder matrix for polymer solder hybrid thermal interface materials. In alternative embodiments the binder matrix material may be phophozene, perfluoro ether, polyether, or urethane. For one embodiment, the binder matrix is selected to provide improved adhesion to a variety of interfaces. For an alternative embodiment the binder matrix is selected to provide low contact resistance. In alternative embodiments, polymeric materials containing fusible and non-fusible particles may be used in application where heat removal is desired and is not restricted to thermal interface materials for microelectronic devices.
    Type: Grant
    Filed: July 6, 2007
    Date of Patent: June 28, 2011
    Assignee: Intel Corporation
    Inventors: Saikumar Jayaraman, Paul A. Koning, Ashay Dani
  • Patent number: 7965511
    Abstract: The present disclosure relates to heat transfer thermal management device utilizing varied methods of heat transfer to cool a heat generating component from a circuit assembly or any other embodiment where a heat generating component can be functionally and operatively coupled. In an embodiment, the vapor configuration is modified to include fins that define a cross-flow heat exchanger where the vapor from the vapor chamber serves as the fluid in the vertical cross-flow in the heat exchanger and natural or forced cooling air serves as the horizontal cross-flow for the heat exchanger.
    Type: Grant
    Filed: August 17, 2006
    Date of Patent: June 21, 2011
    Assignee: ATI Technologies ULC
    Inventor: Gamal Refai-Ahmed
  • Patent number: 7961467
    Abstract: An electronic apparatus including: a body; a circuit board housed in the body; a heating body mounted on the circuit board; a heat pipe having: an end portion, a heat emitting portion located on an opposite side to the end portion, and a heat receiving portion located between the end portion and the heat emitting portion and thermally connected to the heating body; a bonding member disposed between the heating body and the heat receiving portion and that bonds the heating body and the heat receiving portion; and an extension that extends toward the circuit board.
    Type: Grant
    Filed: November 20, 2009
    Date of Patent: June 14, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Takeshi Hongo
  • Patent number: 7952878
    Abstract: A heat dissipation device for dissipating heat generated by a heat-generating component mounted on a printed circuit board, includes a heat absorbing board with a bottom thereof attached to the heat-generating component, two heat sinks, two heat pipes respectively connecting the heat absorbing board and the two heat sinks, two centrifugal fans and two clips. Each of the centrifugal fans is located at a lateral side of a corresponding heat sink. Each of the clips includes an engaging portion riveting with the heat absorbing board and two locking portions extending from two ends of the engaging portion and locked onto the printed circuit board to thereby secure the heat absorbing board on the heat-generating component.
    Type: Grant
    Filed: October 13, 2009
    Date of Patent: May 31, 2011
    Assignees: Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Foxconn Technology Co., Ltd.
    Inventors: Zhi-Sheng Lian, Gen-Ping Deng
  • 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