Patents Assigned to Nextreme Thermal Solutions
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Patent number: 9190592Abstract: A method of fabricating a thermoelectric device includes providing a substrate having a plurality of inclined growth surfaces protruding from a surface thereof. Respective thermoelectric material layers are grown on the inclined growth surfaces, and the respective thermoelectric material layers coalesce to collectively define a continuous thermoelectric film. A surface of the thermoelectric film opposite the surface of the substrate may be substantially planar, and a crystallographic orientation of the thermoelectric film may be tilted at an angle of about 45 degrees or less relative to a direction along a thickness thereof. Related devices and fabrication methods are also discussed.Type: GrantFiled: March 15, 2013Date of Patent: November 17, 2015Assignee: Nextreme Thermal Solutions, Inc.Inventors: Robert P. Vaudo, Philip A. Deane, Thomas Peter Schneider, Christopher D. Holzworth, Joseph Robert Williamson
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Patent number: 8623687Abstract: A method of forming a thermoelectric device may include forming a first electrically conductive trace, and bonding a thermoelectric element to the first electrically conductive trace. After bonding the thermoelectric element to the first electrically conductive trace, a metal post may be formed on the thermoelectric element so that the thermoelectric element is between the first electrically conductive trace and the metal post. After forming the metal post, the metal post may be bonded to a second electrically conductive trace so that the metal post is between the second electrically conductive trace and the thermoelectric element. Other related methods and structures are also discussed.Type: GrantFiled: June 21, 2006Date of Patent: January 7, 2014Assignee: Nextreme Thermal Solutions, Inc.Inventors: Brooks O'Quinn, Rama Venkatasubramanian, Edward Siivola
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Patent number: 8525016Abstract: A thermoelectric device may include a thermoelectric element including a layer of a thermoelectric material and having opposing first and second surfaces. A first metal pad may be provided on the first surface of the thermoelectric element, and a second metal pad may be provided on the second surface of the thermoelectric element. In addition, the first and second metal pads may be off-set in a direction parallel with respect to the first and second surfaces of the thermoelectric element. Related methods are also discussed.Type: GrantFiled: March 25, 2010Date of Patent: September 3, 2013Assignee: Nextreme Thermal Solutions, Inc.Inventors: Philip A. Deane, Ramaswamy Mahadevan, Edward P. Siivola
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Patent number: 8063298Abstract: A method of forming a thermoelectric device may include providing a substrate having a surface, and thermally coupling a thermoelectric p-n couple to a first portion of the surface of a substrate. Moreover, the thermoelectric p-n couple may include a p-type thermoelectric element and an n-type thermoelectric element. In addition, a thermally conductive field layer may be formed on a second portion of the surface of the substrate adjacent the first portion of the surface of the substrate. Related structures are also discussed.Type: GrantFiled: November 27, 2006Date of Patent: November 22, 2011Assignee: Nextreme Thermal Solutions, Inc.Inventors: David A. Koester, Randall G. Alley
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Patent number: 7855397Abstract: An electronic assembly may include a packaging substrate, an integrated circuit (IC) semiconductor chip, a plurality of metal interconnection structures, and a thermoelectric heat pump. The integrated circuit (IC) semiconductor chip may have an active side including input/output pads thereon and a back side opposite the active side, and the IC semiconductor chip may be arranged with the active side facing the first surface of the packaging substrate. The plurality of metal interconnection structures may be between the active side of the IC semiconductor chip and the first surface of the packaging substrate, and the plurality of metal interconnection structures may provide mechanical connection between the active side of the IC semiconductor chip and the first surface of the packaging substrate. The thermoelectric heat pump may be coupled to the packaging substrate with the thermoelectric heat pump being configured to actively pump heat between the IC semiconductor chip and the packaging substrate.Type: GrantFiled: January 18, 2008Date of Patent: December 21, 2010Assignee: Nextreme Thermal Solutions, Inc.Inventors: Randall G. Alley, Philip A. Deane, David A. Koester, Thomas Peter Schneider, Jesko von Windheim
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Patent number: 7838760Abstract: A thermoelectric device having at least one unipolar couple element (22) including two legs (22a) of a same electrical conductivity type. A first-temperature stage (24) is connected to one of the two legs. A second-temperature stage (28) is connected across the legs of the at least one unipolar couple element. A third-temperature stage (30) is connected to the other of the two legs. Methods for cooling an object and for thermoelectric power conversion utilize the at least one unipolar couple element to respectively cool an object and produce electrical power.Type: GrantFiled: November 25, 2003Date of Patent: November 23, 2010Assignee: Nextreme Thermal Solutions, Inc.Inventors: Rama Venkatasubramanian, Kip D. Coonley, Edward P. Siivola, Michael Puchan, Randall G. Alley, Pratima Addepalli, Brooks C. O'Quinn, Thomas Colpitts, Mary Napier
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Patent number: 7838759Abstract: A method of forming a thermoelectric device may include forming a pattern of conductive traces, and forming an electrically insulating matrix between the conductive traces of the pattern of conductive traces. In addition, a plurality of thermoelectric elements may be electrically and mechanically coupled to the pattern of conductive traces so that each conductive trace of the pattern of conductive traces has one of the plurality of thermoelectric elements thereon. In addition, the plurality of thermoelectric elements may be free of the electrically insulating matrix. Related methods and structures are also discussed.Type: GrantFiled: June 22, 2006Date of Patent: November 23, 2010Assignee: Nextreme Thermal Solutions, Inc.Inventors: Randall G. Alley, David A. Koester
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Patent number: 7804019Abstract: A substrate is provided including a growth surface that is offcut relative to a plane defined by a crystallographic orientation of the substrate at an offcut angle of about 5 degrees to about 45 degrees. A thermoelectric film is epitaxially grown on the growth surface. A crystallographic orientation of the thermoelectric film may be tilted about 5 degrees to about 30 degrees relative to the growth surface. The growth surface of the substrate may also be patterned to define a plurality of mesas protruding therefrom prior to epitaxial growth of the thermoelectric film. Related methods and thermoelectric devices are also discussed.Type: GrantFiled: February 1, 2008Date of Patent: September 28, 2010Assignee: Nextreme Thermal Solutions, Inc.Inventors: Jonathan Pierce, Robert P. Vaudo
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Patent number: 7679203Abstract: A method of forming a thermoelectric device may include forming a plurality of islands of thermoelectric material on a deposition substrate. The plurality of islands of thermoelectric material may be bonded to a header substrate so that the plurality of islands are between the deposition substrate and the header substrate. More particularly, the islands of thermoelectric material may be epitaxial islands of thermoelectric material having crystal structures aligned with a crystal structure of the deposition substrate. Related structures are also discussed.Type: GrantFiled: March 2, 2007Date of Patent: March 16, 2010Assignee: Nextreme Thermal Solutions, Inc.Inventors: Jayesh Bharathan, David A. Koester, Randall G. Alley, Rama Venkatasubramanian, Pratima Addepalli, Bing Shen, Cynthia Watkins
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Patent number: 7638705Abstract: A thermoelectric generator may include first and second thermally conductive plates and a plurality of pairs of P-type and N-type thermoelectric elements. The first thermally conductive plate may be configured to generate heat responsive to solar radiation, and the first and second thermally conductive plates may be spaced apart. The P-type and N-type thermoelectric elements of each pair may be electrically coupled in series, and the P-type and N-type thermoelectric elements of each pair may be thermally coupled in parallel between the first and second thermally conductive plates.Type: GrantFiled: April 18, 2006Date of Patent: December 29, 2009Assignee: Nextreme Thermal Solutions, Inc.Inventor: Rama Venkatasubramanian
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Patent number: 7523617Abstract: A structure, system and method for controlling a temperature of a heat generating device in a solid medium, wherein heat is extracted from the medium into at least one heat extraction device, the heat extraction device dissipates heat into an environment apart from the medium by a heat sink thermally coupled to the heat extraction device; and heat from the medium is dissipated into the heat sink by a first thermal interface material thermally coupling the heat sink to the medium.Type: GrantFiled: October 22, 2004Date of Patent: April 28, 2009Assignee: Nextreme Thermal Solutions, Inc.Inventors: Rama Venkatasubramanian, Randall G. Alley, Pratima Addepalli, Anil J. Reddy, Edward P. Siivola, Brooks C. O'Quinn, Kip D. Coonley, John Posthill, Thomas Colpitts
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Patent number: 7342169Abstract: A thermoelectric structure and device including at least first and second material systems having different lattice constants and interposed in contact with each other, and a physical interface at which the at least first and second material systems are joined with a lattice mismatch and at which structural integrity of the first and second material systems is substantially maintained. The at least first and second material systems have a charge carrier transport direction normal to the physical interface and preferably periodically arranged in a superlattice structure.Type: GrantFiled: October 7, 2002Date of Patent: March 11, 2008Assignee: Nextreme Thermal SolutionsInventors: Rama Venkatasubramanian, Edward Siivola, Thomas Colpitts, Brooks O'Quinn
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Patent number: 7235735Abstract: A thermoelectric device and method of manufacturing the device, where thermoelectric elements of opposite conductivity type are located on respective opposing sides of a heat source member. Heat sinks are disposed on opposite sides of the thermoelectric elements. Peltier metal contacts are positioned between the thermoelectric elements and each of the heat source member and heat sinks. A plurality of devices may be arranged together in a thermally parallel, electrically series arrangement, or in a thermally parallel, electrically parallel arrangement. The arrangement of the elements allow the direction of current flow through the pairs of elements to be substantially the same as the direction of current flow through the metal contacts.Type: GrantFiled: April 15, 2003Date of Patent: June 26, 2007Assignee: Nextreme Thermal Solutions, Inc.Inventors: Rama Venkatasubramanian, Edward P. Siivola
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Patent number: RE41801Abstract: A termoelectric thermoelectric device and method for manufacturing the thermoelectric device.Type: GrantFiled: March 31, 1998Date of Patent: October 5, 2010Assignee: Nextreme Thermal Solutions, Inc.Inventor: Rama Venkatasubramanian