Thermal Conduction; E.g., Heat Sink Patents (Class 361/679.54)
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Patent number: 8139355Abstract: One embodiment of the present invention provides a computer memory system that includes at least one DIMM connector having a DIMM socket for releasably receiving a terminal edge of a DIMM. A metallic or otherwise highly heat-conductive base is secured to the DIMM connector. A pair of heat spreaders is secured to the base on opposing sides of the DIMM socket. Each heat spreader includes a DIMM-engagement portion spaced from the base. The heat spreaders are nondestructively moveable between an open position spaced apart for receiving the DIMM between the heat spreaders and a closed position for thermally engaging opposing faces of the DIMM. The heat spreaders provide a continuous thermally-conductive pathway between the DIMM-engagement portion and the base. Heatsink fins extend laterally from the base to provide cooling.Type: GrantFiled: May 24, 2010Date of Patent: March 20, 2012Assignee: International Business Machines CorporationInventors: David R. Motschman, Mark E. Steinke, Jr., Aparna Vallury
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Patent number: 8139361Abstract: Various embodiments of the present invention provide an anchor, circuit board assembly, and method for operably engaging an electronic component with a circuit board having a first side and a second side. Anchor embodiments include an anchor portion configured for receiving at least a portion of the electronic component and a pair of anchor legs flexibly extending from the ends of the anchor portion and configured for insertion into apertures defined in the circuit board. The anchor further includes a compression element slidably disposed about the anchor legs and movable between an unlocked position and a locked position. The compression element is configured for urging the anchor legs towards one another when moved from the unlocked position to the locked position such that the anchor is secured in the apertures when the compression element is in the locked position.Type: GrantFiled: December 16, 2009Date of Patent: March 20, 2012Assignee: International Business Machines CorporationInventors: David L. Hager, Paul A. Wormsbecher
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Patent number: 8134835Abstract: The present invention relates to a clamping device for compression clamping of one or more semiconductor devices and associated semiconductor components with a desired compression force equally distributed across the opposing surfaces of the devices and associated components. The semiconductor devices and components are located between opposing jaws that are joined together by at least two tie rods, which compressively load the opposing jaws to apply the desired compression force to the semiconductor devices and components. The desired compression force is first achieved in even distribution between independent clamp pressure set point assemblies and the first jaw, where each of the independent clamp pressure set point assemblies is associated with one of the tie rods.Type: GrantFiled: January 24, 2008Date of Patent: March 13, 2012Assignee: Inductotherm Corp.Inventors: Oleg S. Fishman, Satyen N. Prabhu
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Patent number: 8134837Abstract: A power semiconductor module system includes a power semiconductor module, a heat sink and at least one fastener. The power semiconductor module includes a bottom side with a first thermal contact surface and the heat sink includes a top side with a second thermal contact surface. The power semiconductor module is conjoined with the heat sink by means of the at least one fastener. The power semiconductor module includes a number N1?1 of first positioning elements and the heat sink a number N2?1 of second positioning elements. Each of the first positioning elements corresponds to one of the second positioning elements and forms a pair therewith. The power semiconductor module and the heat sink are alignable relative to one another so that the two positioning elements of each of the pairs are interfitted when the power semiconductor module is mounted on the heat sink.Type: GrantFiled: May 11, 2010Date of Patent: March 13, 2012Inventors: Olaf Hohlfeld, Peter Kanschat, Thilo Stolze
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Publication number: 20120057297Abstract: A computing device is disclosed. The computing device includes a shock mount assembly that is configured to provide impact absorption to sensitive components such as a display and an optical disk drive. The computing device also includes an enclosureless optical disk drive that is housed by an enclosure and other structures of the computing device. The computing device further includes a heat transfer system that removes heat from a heat producing element of the computing device. The heat transfer system is configured to thermally couple the heat producing element to a structural member of the computing device so as to sink heat through the structural member, which generally has a large surface area for dissipating the heat.Type: ApplicationFiled: September 23, 2011Publication date: March 8, 2012Applicant: APPLE INC.Inventors: Nick Merz, John DiFonzo, Stephen Zadesky, Michael Prichard
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Patent number: 8130498Abstract: The invention relates to a cooling body of at least one electrical component. According to the invention, a first cooling body section is designed as a spring and a contact surface is provided on the first cooling body section, between the cooling body and the at least one component.Type: GrantFiled: November 11, 2008Date of Patent: March 6, 2012Assignee: Robert Bosch GmbHInventors: Bernd Wirnitzer, Jan Breitenbach, Andreas Kynast, Thorsten Seidel
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Patent number: 8130496Abstract: Embodiments of the present invention describe a device and method of mitigating radio frequency interference (REI) in an electronic device. The electronic device comprises a housing, and a thermal energy storage material is formed in the housing. By increasing the loss tangent parameter of the thermal energy storage material, the REI of the electronic device is reduced.Type: GrantFiled: April 1, 2009Date of Patent: March 6, 2012Assignee: Intel CorporationInventors: Xiaopeng Dong, Mark MacDonald
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Publication number: 20120044634Abstract: A heat dissipation apparatus includes a computer case having a base plate, a motherboard positioned on the base plate, and a heat sink. The motherboard includes a first heat source positioned thereon. The heat sink is positioned on the first heat source and thermally contacts with the first heat source. The motherboard includes a second heat source located on a first side of the heat sink. An angle between the second heat source and a motherboard plane is greater than 0 degrees and less than 90 degrees. Airflow from outside of the computer case is able to flow through a top surface and a bottom surface of the second heat source to dissipate heat for the first and second heat sources.Type: ApplicationFiled: November 30, 2010Publication date: February 23, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.Inventors: GUO-HE HUANG, YANG LI
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Publication number: 20120044635Abstract: A thin portable electronic device with a display is described. The components of the electronic device can be arranged in stacked layers within an external housing where each of the stacked layers is located at a different height relative to the thickness of the device. One of the stacked layers can be internal metal frame. The internal metal frame can be configured to act as a heat spreader for heat generating components located in layers adjacent to the internal frame. Further, the internal metal frame can be configured to add to the overall structural stiffness of the device. In addition, the internal metal frame can be configured to provide attachment points for device components, such as the display, so that the device components can be coupled to the external housing via the internal metal frame.Type: ApplicationFiled: August 19, 2010Publication date: February 23, 2012Applicant: APPLE INC.Inventors: Fletcher R. Rothkopf, Phillip M. Hobson, Adam Mittleman, Anna-Katrina Shedletsky
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Publication number: 20120044633Abstract: A liquid submersion cooled computer that includes a seamless, extruded main body used to form a liquid-tight case holding a cooling liquid that submerges components of the computer. By forming the main body as a seamless extrusion, the number of possible leakage paths from the resulting liquid-tight case is reduced. No seams are provided on the main body, and there are no openings through the walls of the main body, so liquid cannot leakage through the main body. Any leakage paths are limited to joints between the main body and end walls which are sealingly attached to the main body to form the liquid-tight case.Type: ApplicationFiled: November 3, 2011Publication date: February 23, 2012Applicant: HARDCORE COMPUTER, INC.Inventor: Chad Daniel ATTLESEY
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Patent number: 8120921Abstract: A device having electronic components mounted therein has a first electronic component having an external terminal on a first surface and a heat spreader on a second surface, at least one second electronic component that is placed in the direction of a second surface of the first electronic component, a flexible circuit board that is electrically connected to the first electronic component and at least one second electronic component, and at least the part to which at least one second electronic component is connected is located on the second surface side of the first electronic component, and a spacer that is located between at least part of the flexible circuit board and the second surface of the first electronic component. The spacer can prevent heat from the first electronic component from being directly transferred to the second electronic component.Type: GrantFiled: July 18, 2008Date of Patent: February 21, 2012Assignees: NEC Corporation, NEC Access Technica, Ltd.Inventors: Takao Yamazaki, Shinji Watanabe, Tomoo Murakami, Yuuki Fujimura, Ryoji Osu, Katsuhiko Suzuki, Shizuaki Masuda, Nobuyuki Sato, Kikuo Wada
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Patent number: 8120919Abstract: A bracket, computer component and method for connecting to connection points associated with a socket on a computer circuit board are provided. The bracket and computer component have a mounting device including a fastener connectable to one of the connection points and positioned on a mounting flange. The mounting device is adjustable relative to the mounting flange from a first position on the mounting flange to a second position to allow the bracket and computer component to be used in conjunction with a number of different types of sockets.Type: GrantFiled: December 23, 2009Date of Patent: February 21, 2012Assignee: Coolit Systems Inc.Inventor: Geoff Sean Lyon
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Patent number: 8120908Abstract: A thermal management system for an embedded environment is described. The thermal management system includes a pleumo-jet that has at least one wall defining a chamber, at least one piezoelectric device on the at least one wall, and a compliant material within the at least one wall and encompassing the chamber. The compliant material has at least one opening providing fluid communication between said chamber and the embedded environment. A cooling system is also described. A method for making a pleumo-jet is also described.Type: GrantFiled: October 26, 2007Date of Patent: February 21, 2012Assignee: General Electric CompanyInventors: Mehmet Arik, Charles Franklin Wolfe, Yogen Vishwas Utturkar, Charles Erklin Seeley, David Shannon Slaton, William Henry Lueckenbach
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Patent number: 8107234Abstract: Disclosed herein is a data center having a plurality of liquid cooled computer systems. The computer systems each include a processor coupled with a cold plate that allows direct liquid cooling of the processor. The cold plate is further arranged to provide adapted flow of coolant to different portions of the processor whereby higher temperature regions receive a larger flow rate of coolant. The flow is variably adjusted to reflect different levels of activity. By maximizing the coolant temperature exiting the computer systems, the system may utilize the free cooling temperature of the ambient air and eliminate the need for a chiller. A data center is further provided that is coupled with a district heating system and heat is extracted from the computer systems is used to offset carbon emissions and reduce the total cost of ownership of the data center.Type: GrantFiled: June 4, 2010Date of Patent: January 31, 2012Assignee: International Business Machines CorporationInventors: Thomas J. Brunschwiler, Ryan J. Linderman, Bruno Michel, Erich M. Ruetsche
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Publication number: 20120020017Abstract: A modular electronic component includes a circuit board having disposed thereon one or more electronic components and an enclosure for housing the circuit board. The enclosure comprises a thermally conductive shell having front and back surfaces being substantially parallel to the plane of the circuit board and being disposed on opposite sides of the circuit board from each other, left and right surfaces being substantially perpendicular to the plane of the circuit board and being disposed on opposite sides of the circuit board from each other, and top and bottom surfaces being substantially perpendicular to the left and right surfaces and substantially perpendicular to the top and bottom surfaces and being disposed on opposite sides of the circuit board from each other.Type: ApplicationFiled: September 14, 2010Publication date: January 26, 2012Inventors: William E. Kehret, Dennis Henry Smith
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Patent number: 8102649Abstract: An electronic device including a case, a fan module and a transparent cover is provided. The fan module including a fan and a fin set is disposed in the case. The fin set is disposed aside the fan, and a space is formed there between. The transparent cover is connected to the case, and is located above the space formed between the fin set and the fan.Type: GrantFiled: November 16, 2009Date of Patent: January 24, 2012Assignee: Giga-Byte Technology Co., Ltd.Inventors: Mou-Ming Ma, Yi-Yuan Liu, Hsiang-Yun Kuo
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Patent number: 8089766Abstract: A liquid submersion-cooled computer that is configured to reduce physical structures passing through walls of the computer liquid-tight computer case, which eliminates the amount of sealing needed around those physical structures and reduces the number of possible fluid leakage paths from the interior of the computer that contains a cooling liquid submerging at least some of the computer components. The computer includes a mechanism to pass input/output signals into and from the computer without any physical structure extending through any of the plurality of walls. The computer also has a mechanism for wirelessly transferring power into the interior space of the computer case, and a switch that controls power in the computer without having any physical structure extending through any of the plurality of walls.Type: GrantFiled: August 4, 2011Date of Patent: January 3, 2012Assignee: Hardcore Computer, Inc.Inventor: Chad Daniel Attlesey
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Patent number: 8089767Abstract: A cooling system comprising a heat sink having, a first contact zone and a second contact zone, which are configured to absorb, a first heat flow from a first component, a second heat flow from a second component, and a first transmission means for transmission of the first heat flow via the first contact zone into the heat sink. In addition, a first transmission means is arranged between the first component, and the heat sink and include a first plug means that is shaped such that the first plug means forms a first fit with a first bushing means that is arranged in the heat sink, where the first fit provides tolerance compensation between first and second contact zones.Type: GrantFiled: April 23, 2010Date of Patent: January 3, 2012Assignee: Siemens AGInventors: Klaus Busch, Günther Deinhardt, Alexander Reinhard, Christoph Wiesner
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Patent number: 8085531Abstract: An anisotropic thermal conductive element that can conduct heat from a thermal source with high efficiency in the thickness direction which maintaining strength and a method of making the element. To achieve the above, an anisotropic thermal conductive element that can conduct heat from a heat source, a structure with a stack of graphite sheets having a contact surface across the thickness direction of the graphite sheets, and the stack of graphite sheets has the surroundings thereof coated to form a support parts. The coating process covers the structure of stacked graphite with a support part. A cutting process can be performed by cutting along the surface in the stacking direction after the coating process. After the cutting process, a surface treatment process can make a surface treatment to a section.Type: GrantFiled: July 14, 2009Date of Patent: December 27, 2011Assignee: Specialty Minerals (Michigan) Inc.Inventors: Richard J. Lemak, Robert J. Moskaitis, David Pickrell
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Publication number: 20110304981Abstract: An exemplary computer server system includes a cabinet and a server mounted in the cabinet. The servers includes a casing, an electronic component mounted in the casing, a heat dissipation device for dissipating heat generated by the electronic component, and a fan module. The heat dissipation device includes a heat absorption portion and a heat dissipation portion. The heat absorption portion is arranged in the enclosure to absorb the heat generated by the electronic component. The heat dissipation portion is arranged between the enclosure and the fan module to dissipate the heat transferred to an outside of the enclosure.Type: ApplicationFiled: September 19, 2010Publication date: December 15, 2011Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: WEN-HUNG HUANG
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Patent number: 8077476Abstract: An electronic device mounting structure includes a thermally conductive base, a busbar located on the base, an electronic device mounted on the busbar, a thermally conductive wall standing on the base and having first and second portions located opposite each other across the electronic device, and a plate spring supported by the first and second portions of the wall. The plate spring presses the electronic device against the base so that thermal resistance between the electronic device and the base is reduced. The plate spring has a thermal conductivity so that heat in the electronic device is transferred to the wall through the plate spring.Type: GrantFiled: September 11, 2008Date of Patent: December 13, 2011Assignee: Denso CorporationInventors: Akio Yasuda, Kenichi Mori
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Patent number: 8077465Abstract: A heat sink includes a cooling member to dissipate heat, and a fixing member for mounting fasteners. The cooling member includes a base and a number of fins extending from the base. The cooling member and the fixing member are independently formed, and the fixing member is fixed to a bottom of the base of the cooling member via fixing means.Type: GrantFiled: August 24, 2009Date of Patent: December 13, 2011Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Yao-Ting Chang, Meng-Hsien Lin, Yu-Chia Lai
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Publication number: 20110299249Abstract: An exemplary heat sink mounting frame is for mounting a heat sink onto a circuit board. The heat sink mounting frame includes a circular guide rail, and mounting arms movably connected with and extending radially and outwardly from the guide rail. Each mounting arm includes a fixing bracket connected to the guide rail and a sliding bar slidably connected with the fixing bracket. An engaging post is formed on the sliding bar. The sliding bar is slidable along the fixing bracket, such that a total length of each of the mounting arms is variable to adjust the locations of the engaging posts of the mounting arms.Type: ApplicationFiled: September 17, 2010Publication date: December 8, 2011Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.Inventors: HUNG-CHOU CHAN, ZHEN-XING YE
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Patent number: 8072763Abstract: A printed circuit board assembly includes a heat sink, a back board, and a securing member. The heat sink is configured to be mounted on a heat generating element of a printed circuit board. The heat sink is configured to dissipate heat generated by the heat generating element. The heat sink and the back board are configured to be placed on opposite sides of the printed circuit board. The heat sink includes a first connecting heat pipe. The back board includes a second connecting heat pipe. The second connecting heat pipe contacts the first connecting heat pipe. The securing member thermally contacts the first connecting heat pipe and the second connecting heat pipe.Type: GrantFiled: March 22, 2010Date of Patent: December 6, 2011Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Yang Li, Hong-Zhi Sun, Shuang Fu
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Patent number: 8072762Abstract: A printed circuit board assembly includes a printed circuit board, a first heat dissipating module, and a second heat dissipating module. The printed circuit board includes a first heat generating element and a second heat generating element. The first heat dissipating module is disposed on the first heat generating element. The first heat dissipating module includes a heat sink and a first heat pipe. The first heat pipe includes a pipe body and an extending portion extending from the pipe body. The second heat dissipating module is disposed on the second heat generating element. The pipe body is connected to the heat sink and the extending portion is connected to the second heat dissipating module.Type: GrantFiled: January 28, 2010Date of Patent: December 6, 2011Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Yang Li, Shuang Fu
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Patent number: 8070324Abstract: A thermal control system for a light-emitting diode comprises a thermistor array thermally coupled to a heat sink. The thermistor array may be disposed within a thermal conductive member. A power supply is electrically connected to the thermistor array. A cooling device is electrically connected in series with the power supply and the thermistor array. The thermistor array is between the power supply and the cooling device. A rheostat may further be electrically connected, in series, between the thermistor array and the cooling device.Type: GrantFiled: July 30, 2008Date of Patent: December 6, 2011Assignee: MP Design Inc.Inventors: Alexander Kornitz, Mirek Pospisil
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Publication number: 20110292596Abstract: A modular processing module allowing in-situ maintenance is provided. The modular processing module comprises a set of processing module sides. Each processing module side comprises a circuit board, a plurality of connectors, and a plurality of processing nodes. Each processing module side couples to another processing module side using at least one connector in the plurality of connectors such that, when all of the set of processing module sides are coupled together, the modular processing module is formed. The modular processing module comprises an exterior connection to a power source and a communication system and at least one heatsink that couples to at least a portion of the plurality of processing nodes on one of the processing module sides and is designed such that, when a set of heatsinks in the modular processing module are installed, an empty space is left in a center of the modular processing module.Type: ApplicationFiled: May 27, 2010Publication date: December 1, 2011Applicant: International Business Machines CorporationInventors: Wael R. El-Essawy, Elmootazbellah N. Elnozahy, Madhusudan K. Iyengar, Thomas W. Keller, JR., Juan C. Rubio
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Publication number: 20110292597Abstract: A modular processing module is provided. The modular processing module comprises a set of processing module sides. Each processing module side comprises a circuit board, a plurality of connectors coupled to the circuit board, and a plurality of processing nodes coupled to the circuit board. Each processing module side in the set of processing module sides couples to another processing module side using at least one connector in the plurality of connectors such that, when all of the set of processing module sides are coupled together, the modular processing module is formed. The modular processing module comprises an exterior connection to a power source and a communication system.Type: ApplicationFiled: May 28, 2010Publication date: December 1, 2011Applicant: International Business Machines CorporationInventors: John B. Carter, Wael R. El-Essawy, Elmootazbellah N. Elnozahy, Wesley M. Felter, Madhusudan K. Iyengar, Thomas W. Keller, JR., Karthick Rajamani, Juan C. Rubio, William E. Speight, Lixin Zhang
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Publication number: 20110286180Abstract: A heat dissipating device includes a heat sink and a number of cooling members. A number of grooves are defined in a bottom of the heat sink. Each cooling member includes a first cooling piece, a second piece opposite to the first cooling piece, and a connection piece connected between tops of the first cooling piece and the second cooling piece. The heat sink is fixed on tops of the cooling members, with the connection pieces of the cooling members received in the corresponding grooves of the heat sink.Type: ApplicationFiled: July 26, 2010Publication date: November 24, 2011Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: ZHI-BIN GUAN
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Publication number: 20110286178Abstract: Heat sinks for distributing a thermal load are disclosed that include: a bottom plate; a front top plate; a back top plate; and a plurality of heat-dissipating fins connected to the bottom plate, the front top plate, and the back top plate, wherein the front top plate and the back top plate are separated by a predetermined distance.Type: ApplicationFiled: May 20, 2010Publication date: November 24, 2011Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Jeremy S. Bridges, Paul J. La Rocca, William M. Megarity
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Publication number: 20110286179Abstract: One embodiment of the present invention provides a computer memory system that includes at least one DIMM connector having a DIMM socket for releasably receiving a terminal edge of a DIMM. A metallic or otherwise highly heat-conductive base is secured to the DIMM connector. A pair of heat spreaders is secured to the base on opposing sides of the DIMM socket. Each heat spreader includes a DIMM-engagement portion spaced from the base. The heat spreaders are nondestructively moveable between an open position spaced apart for receiving the DIMM between the heat spreaders and a closed position for thermally engaging opposing faces of the DIMM. The heat spreaders provide a continuous thermally-conductive pathway between the DIMM-engagement portion and the base. Heatsink fins extend laterally from the base to provide cooling.Type: ApplicationFiled: May 24, 2010Publication date: November 24, 2011Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: David R. Motschman, Mark E. Steinke, Aparna Vallury
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Patent number: 8064202Abstract: A sandwich structure and method thereof is disclosed for double-sided cooling, EMI noise shielding and current carrying in mini-modules. The proposed structure comprises a top structure and a bottom structure to achieve double-sided cooling. Meanwhile, the top structure is configured to shield EMI noises as well. The proposed structure further comprises a first set of connecting structures for connecting devices of the mini-modules with the top structure and a second set of connecting structure for connecting the top structure with the bottom structure. The connecting structures are capable of carrying current.Type: GrantFiled: February 24, 2010Date of Patent: November 22, 2011Assignee: Monolithic Power Systems, Inc.Inventors: Jian Yin, Hunt H. Jiang, Kaiwei Yao
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Patent number: 8064203Abstract: A free standing film includes: i. a matrix layer having opposing surfaces, and ii. an array of nanorods, where the nanorods are oriented to pass through the matrix layer and protrude an average distance of at least 1 micrometer through one or both surfaces of the matrix layer. A method for preparing the free standing film includes (a) providing an array of nanorods on a substrate, optionally (b) infiltrating the array with a sacrificial layer, (c) infiltrating the array with a matrix layer, thereby producing an infiltrated array, optionally (d) removing the sacrificial layer without removing the matrix layer, when step (b) is present, and (e) removing the infiltrated array from the substrate to form the free standing film. The free standing film is useful as an optical filter, ACF, or TIM, depending on the type and density of nanorods selected.Type: GrantFiled: January 25, 2008Date of Patent: November 22, 2011Assignee: Dow Corning CorporationInventors: Carl Fairbank, Mark Fisher
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Patent number: 8064204Abstract: An electronic apparatus includes a housing, first and second circuit boards disposed in the housing in such a way that the first and second circuit boards are stacked on each other, and a pump block disposed between the first and second circuit boards, the pump block abutting a first electronic part mounted on the first circuit board and a second electronic part mounted on the second circuit board, the pump block sucking air outside the housing and discharging the air out of the housing.Type: GrantFiled: December 24, 2008Date of Patent: November 22, 2011Assignee: Sony CorporationInventor: Shogo Kato
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Publication number: 20110279968Abstract: A heat sink having auto switching function, a heat sink system and a heat sinking method are disclosed. The heat sink receives a control command sent by an external device. An internal heat sink device is controlled according to content of the control command to control power ON or power OFF of a thermoelectric cooler of the heat sink device or to control power ON, power OFF, or change rotation speed setting of a heat sink fan in the heat sink device. Thus, the heat sink auto switches operations of the heat sink device correspondingly according to temperature changes of the external device.Type: ApplicationFiled: May 13, 2010Publication date: November 17, 2011Inventors: Kuo-Len LIN, Mong-Hua Hung, Tien-Chih Tseng, Chen-Hsiang Lin, Chih-Hung Cheng
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Publication number: 20110280093Abstract: The present invention includes: a circuit board which is provided with an electronic circuit part; a first case and a second case (7) that cover the electronic circuit part; a fixing screw that fixes the first case and the second case (7); a tamper switch that outputs a signal indicating that the switch member is in a first state or second state; and a cap block (11) which is attached to the second case (7) so that the tamper switch keeps the first state only when the cap block (11) covers the fixing screw.Type: ApplicationFiled: January 28, 2009Publication date: November 17, 2011Applicant: NEC Display Solutions, Ltd.Inventor: Mikiya Takeda
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Patent number: 8059406Abstract: In a memory device and its heat sink, the memory device includes a memory, a heat sink mounted onto the memory and a clamping element, and the heat sink includes an isothermal vapor chamber plate and a heat dissipating body, and the isothermal vapor chamber plate is attached onto an external side of the memory and includes an insert portion, and the heat dissipating body includes a base plate, a plurality of heat dissipating fins extended from the base plate, and a pawl arm extended from the base plate and in an opposite direction of the fins, and the heat dissipating body is coupled to the insert portion in a replaceable manner by the pawl arm, and the clamping element is provided for clamping the base plate and the isothermal vapor chamber plate, such that the heat dissipating body can be replaced on the isothermal vapor chamber plate easily.Type: GrantFiled: June 18, 2010Date of Patent: November 15, 2011Assignee: Celsia Technologies Taiwan, Inc.Inventors: George Anthony Meyer, IV, Chien-Hung Sun, Chieh-Ping Chen, Hsien-Tsang Liu
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Patent number: 8059401Abstract: An electronic device includes a printed circuit board and a heat dissipation module. The printed circuit board has a first heat-generating electronic component and a number of second heat-generating electronic components. The heat dissipation module includes a heat sink thermally engaging on the first heat-generating electronic component and an enclosure enclosing the printed circuit board. The heat sink includes a number of fins. The enclosure extends an inner casing to envelop the fins of the heat sink. The enclosure defines a number of slots letting the casing communicate with an exterior of the enclosure. The casing separates the fins from the second heat-generating electronic component.Type: GrantFiled: January 18, 2010Date of Patent: November 15, 2011Assignee: Hon Hai Precision Industry Co., Ltd.Inventor: Zhi-Bin Guan
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Patent number: 8059411Abstract: An electronics assembly for use in a vehicle is provided. The assembly comprises a heat sink, a dam coupled to the heat sink, the dam and the heat sink combining to form a reservoir, an electronic component positioned within the reservoir, and a thermally conductive layer conformally molded to the electronic component and disposed between the electronic component and the heat sink.Type: GrantFiled: July 29, 2009Date of Patent: November 15, 2011Assignee: GM Global Technology Operations LLCInventors: Yunqi Zheng, John E. Proulx
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Patent number: 8059410Abstract: A heat dissipation device for dissipating heat from an electronic component mounted on a printed circuit board, includes a fin unit, a heat-conducting board attached to the electronic component, a heat pipe thermally connecting the fin unit and the heat-conducting board, and a clip disposed on the heat pipe. A pair of engaging portions protrude upwardly from a top face of the heat-conducting board towards each other. The clip secures the heat pipe to the top face of the heat-conducting board. The clip includes a pivoting portion which is pivotally fixed to the heat-conducting board, a clasping portion detachably engaging with the engaging portions, and a main body interconnecting the pivoting portion and the clasping portion and abutting against the heat pipe toward the heat-conducting board.Type: GrantFiled: July 17, 2009Date of Patent: November 15, 2011Assignees: Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Foxconn Technology Co., Ltd.Inventors: Chun-Chi Chen, Hong-Cheng Yang, Cheng Kong, Wei-Cheng Nie
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Publication number: 20110273842Abstract: A component loading system includes a board having a socket, wherein the board includes a first mounting member and a pair of first heat dissipater coupling posts that extend from the board adjacent the socket. A base member defines two base member securing holes, wherein the base member is secured to the board using the pair of first heat dissipater coupling posts such that a first heat dissipater coupling post extends through each base member securing hole. A loading member includes a pair of second heat dissipater coupling posts extending from the loading member, wherein the loading member is operable to be secured to the board by coupling the loading member to the base member and securing the loading member to the board using the first mounting member, and wherein a heat dissipater is operable to be coupled to the base member and the loading member using the pair of first heat dissipater coupling posts and the pair of second heat dissipater coupling posts.Type: ApplicationFiled: May 7, 2010Publication date: November 10, 2011Applicant: DELL PRODUCTS L.P.Inventors: Lawrence Alan Kyle, Laurent A. Regimbal
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Publication number: 20110267771Abstract: A heat sink type module includes a mounting seat and a heat sink. The mounting seat includes a supporting plate, and two substantially parallel first side plates extending up from opposite first sides of the supporting plate. A latch protrudes from an inner surface of each first side plate. A heat sink includes a base plate and fins extending up from a top surface of the base plate. The base plate includes two substantially parallel first sides. The latches of the first side plates latch the first sides of the base plate to fix the heat sink.Type: ApplicationFiled: July 21, 2010Publication date: November 3, 2011Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: HAO-DER CHENG
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Publication number: 20110267768Abstract: A liquid submersion cooled computer that includes a seamless, extruded main body used to form a liquid-tight case holding a cooling liquid that submerges components of the computer. By forming the main body as a seamless extrusion, the number of possible leakage paths from the resulting liquid-tight case is reduced. No seams are provided on the main body, and there are no openings through the walls of the main body, so liquid cannot leakage through the main body. Any leakage paths are limited to joints between the main body and end walls which are sealingly attached to the main body to form the liquid-tight case.Type: ApplicationFiled: July 14, 2011Publication date: November 3, 2011Applicant: HARDCORE COMPUTER, INC.Inventor: Chad Daniel ATTLESEY
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Patent number: 8050038Abstract: A heat dissipation device for dissipating heat from an electronic component mounted on a printed circuit board, includes a fin unit, a heat-conducting board attached to the electronic component, a heat pipe thermally connecting the fin unit and the heat-conducting board, and a clip disposed on the heat pipe. Two engaging portions protrude upwardly from a top face of the heat-conducting board towards each other. The heat pipe extends between the two engaging portions. The two engaging portions press two opposite ends of the clip downwardly, thereby securing the heat pipe to the top face of the heat-conducting board.Type: GrantFiled: July 17, 2009Date of Patent: November 1, 2011Assignees: Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Foxconn Technology Co., Ltd.Inventors: Chun-Chi Chen, Hong-Cheng Yang, Xin-Lei Liu
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Patent number: 8050028Abstract: A computing device is disclosed. The computing device includes a shock mount assembly that is configured to provide impact absorption to sensitive components such as a display and an optical disk drive. The computing device also includes an enclosureless optical disk drive that is housed by an enclosure and other structures of the computing device. The computing device further includes a heat transfer system that removes heat from a heat producing element of the computing device. The heat transfer system is configured to thermally couple the heat producing element to a structural member of the computing device so as to sink heat through the structural member, which generally has a large surface area for dissipating the heat.Type: GrantFiled: October 26, 2010Date of Patent: November 1, 2011Assignee: Apple Inc.Inventors: Nick Merz, John DiFonzo, Stephen Zadesky, Michael Prichard
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Patent number: 8050037Abstract: In an electronic control device that includes two or more kinds of lead-insertion-type parts, including at least a coil and a capacitor, the parts are installed on a support that has a wiring, a terminal structure and mechanically fixing portions; the leads of the above parts are respectively inserted in and electrically connected to holes formed in the wiring portion of the support; the parts and the support are fixed to each other with an adhesion material for fixation; the upper surfaces of the parts are attached to a metallic chasis with a thermally conductive material of a low elasticity modulus interposed in between; the mechanically fixing portions of the support are fixed to the metallic chasis; and the terminal structure of the support is electrically connected to a circuit board that mounts at least a controlling element.Type: GrantFiled: August 13, 2008Date of Patent: November 1, 2011Assignee: Hitachi, Ltd.Inventors: Nobutake Tsuyuno, Hideto Yoshinari, Hiroshi Hozoji, Masahiko Asano, Masahide Harada, Shinya Kawakita
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Patent number: 8050036Abstract: A heat receiver includes a casing defining a flow passage on a thermal conductive plate. The thermal conductive plate is received on an electronic component. An outflow nozzle has an inflow opening at the downstream end of the flow passage at a position outside the thermal conductive plate. Since the thermal conductive plate is received on the electronic component, the outflow nozzle is connected to the flow passage at a position outside the electronic component. This results in avoidance of increase in the thickness of the casing as compared with the case where the outflow nozzle directly extends into the flow passage on the thermal conductive plate.Type: GrantFiled: July 25, 2007Date of Patent: November 1, 2011Assignee: Fujitsu LimitedInventors: Masumi Suzuki, Michimasa Aoki, Yosuke Tsunoda, Masuo Ohnishi, Masahiko Hattori
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Publication number: 20110255241Abstract: An assembly includes an article, and a computer housing including left and right sidewalls cooperatively defining an accommodating space and an opening for communicating the accommodating space with an external environment, and a positioning member provided on one of the sidewalls. Each sidewall includes a slide rail. A package is mounted removably in the accommodating space via the opening, is connected slidably to the slide rails of the sidewalls, and is positioned within the accommodating space through the positioning member. The package includes two interconnected cover parts cooperatively defining a receiving space for receiving the article and a communicating hole for communicating the receiving space with the external environment, and a handgrip to mount removably the package in the accommodating space. Each cover part includes a stop member abutting against the article to prevent escape of the article from the receiving space via the communicating hole.Type: ApplicationFiled: April 18, 2011Publication date: October 20, 2011Applicant: Wistron CorporationInventors: Meng-Hsun Wu, Fu-Jen Yang, Yang-Chieh Ma
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Publication number: 20110255240Abstract: A circuit board assembly includes a motherboard defining a number of plug slots, and a fixing mechanism for securing a heat sink. The fixing mechanism is positioned between two adjacent plug slots, and includes a support member mounted on the motherboard, two fixing brackets mounted on opposite ends of the support member, two bars rotatably connected to the fixing brackets, and a connection member detachably connected to the support member by the bars. The opposite borders of the support member extend in the same direction substantially parallel to the plug slots, and the support member forms four connecting portions for securing the heat sink on opposite sides thereof, and the connecting portions are located between the opposite borders.Type: ApplicationFiled: October 8, 2010Publication date: October 20, 2011Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: TSUNG-KUEL LIAO, TE-CHUNG KUAN, CHAN-KUEI HSU
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Patent number: 8031468Abstract: A cooling unit, which is configured to contain and cool air between two rows of equipment racks defining a hot aisle, includes a housing configured to be secured mounted on the two rows of equipment racks such that the housing spans the hot aisle, a heat exchanger supported by the housing and coupled to and in fluid communication with a coolant supply and a coolant return, and an air movement assembly supported by the housing and configured to move air over the heat exchanger. Other embodiments of the cooling unit and methods of cooling are further disclosed.Type: GrantFiled: June 3, 2009Date of Patent: October 4, 2011Assignee: American Power Conversion CorporationInventors: John H. Bean, Jr., Zhihai Gordon Dong