Abstract: A method including forming a diamond material on the surface of a substrate; forming a first contact and a separate second contact; and patterning the diamond material to form a nanowire between the first contact and the second contact. An apparatus including a first contact and a separate second contact on a substrate; and a nanowire including a single crystalline or polycrystalline diamond material on the substrate and connected to each of the first contact and the second contact.
Type:
Grant
Filed:
September 18, 2014
Date of Patent:
April 11, 2017
Assignee:
Sandia Corporation
Inventors:
Alfredo M. Morales, Richard J. Anderson, Nancy Y. C. Yang, Jack L. Skinner, Michael J. Rye
Abstract: A method and system for tracking at least one object using a plurality of pointing sensors and a tracking system are disclosed herein. In a general embodiment, the tracking system is configured to receive a series of observation data relative to the at least one object over a time base for each of the plurality of pointing sensors. The observation data may include sensor position data, pointing vector data and observation error data. The tracking system may further determine a triangulation point using a magnitude of a shortest line connecting a line of sight value from each of the series of observation data from each of the plurality of sensors to the at least one object, and perform correlation processing on the observation data and triangulation point to determine if at least two of the plurality of sensors are tracking the same object. Observation data may also be branched, associated and pruned using new incoming observation data.
Abstract: A resonant photonic device is provided. The device comprises an optical waveguiding element, such as an optical resonator, that includes a diode junction region, two signal terminals configured to apply a bias voltage across the junction region, and a heater laterally separated from the optical waveguiding element. A semiconductor electrical barrier element is juxtaposed to the heater. A metallic strip is electrically and thermally connected at one end to a signal terminal of the optical waveguiding element and thermally connected at another end to the barrier element.
Abstract: Various technologies presented herein relate to constructing and/or operating an antenna having an omnidirectional electrical field of constant phase. The antenna comprises an upper plate made up of multiple conductive rings, a lower ground-plane plate, a plurality of grounding posts, a conical feed, and a radio frequency (RF) feed connector. The upper plate has a multi-ring configuration comprising a large outer ring and several smaller rings of equal size located within the outer ring. The large outer ring and the four smaller rings have the same cross-section. The grounding posts ground the upper plate to the lower plate while maintaining a required spacing/parallelism therebetween.
Abstract: Solid state lighting devices and methods for heat dissipation with rotary cooling structures are described. An example solid state lighting device includes a solid state light source, a rotating heat transfer structure in thermal contact with the solid state light source, and a mounting assembly having a stationary portion. The mounting assembly may be rotatably coupled to the heat transfer structure such that at least a portion of the mounting assembly remains stationary while the heat transfer structure is rotating. Examples of methods for dissipating heat from electrical devices, such as solid state lighting sources are also described. Heat dissipation methods may include providing electrical power to a solid state light source mounted to and in thermal contact with a heat transfer structure, and rotating the heat transfer structure through a surrounding medium.
Abstract: The present invention relates to optical vias to optically connect multilevel optical circuits. In one example, the optical via includes a surface plasmon polariton waveguide, and a first optical waveguide formed on a first substrate is coupled to a second optical waveguide formed on a second substrate by the surface plasmon polariton waveguide. In some embodiments, the first optical waveguide includes a transition region configured to convert light from an optical mode to a surface plasmon polariton mode or from a surface plasmon polariton mode to an optical mode.
Type:
Grant
Filed:
September 8, 2015
Date of Patent:
March 21, 2017
Assignee:
Sandia Corporation
Inventors:
Erik J. Skogen, Gregory A. Vawter, Anna Tauke-Pedretti
Abstract: Embodiments of network testbed creation and validation processes are described herein. A “network testbed” is a replicated environment used to validate a target network or an aspect of its design. Embodiments describe a network testbed that comprises virtual testbed nodes executed via a plurality of physical infrastructure nodes. The virtual testbed nodes utilize these hardware resources as a network “fabric,” thereby enabling rapid configuration and reconfiguration of the virtual testbed nodes without requiring reconfiguration of the physical infrastructure nodes. Thus, in contrast to prior art solutions which require a tester manually build an emulated environment of physically connected network devices, embodiments receive or derive a target network description and build out a replica of this description using virtual testbed nodes executed via the physical infrastructure nodes. This process allows for the creation of very large (e.g.
Type:
Grant
Filed:
May 29, 2014
Date of Patent:
March 21, 2017
Assignee:
Sandia Corporation
Inventors:
Tan Q. Thai, Vincent Urias, Brian P. Van Leeuwen, Kristopher K. Watts, Andrew John Sweeney
Abstract: Various technologies presented herein relate to driving a LED such that the LED emits short duration pulses of light. This is accomplished by driving the LED with short duration, high amplitude current pulses. When the LED is driven by short duration, high amplitude current pulses, the LED emits light at a greater amplitude compared to when the LED is driven by continuous wave current.
Abstract: A linear transformer driver includes at least one ferrite ring positioned to accept a load. The linear transformer driver also includes a first, second, and third power delivery module. The first power delivery module sends a first energy in the form of a first pulse to the load. The second power delivery module sends a second energy in the form of a second pulse to the load. The third power delivery module sends a third energy in the form of a third pulse to the load. The linear transformer driver is configured to form a flat-top pulse by the superposition of the first, second, and third pulses. The first, second, and third pulses have different frequencies.
Type:
Grant
Filed:
June 16, 2014
Date of Patent:
March 21, 2017
Assignee:
Sandia Corporation
Inventors:
Michael G. Mazarakis, Alexander A. Kim, Vadim A. Sinebryukhov, Sergey N. Volkov, Sergey S. Kondratiev, Vitaly M. Alexeenko, Frederic Bayol, Gauthier Demol, William A. Stygar, Joshua Leckbee, Bryan V. Oliver, Mark L. Kiefer
Abstract: The various technologies presented herein relate to utilizing visible light in conjunction with a thinned structure to enable characterization of operation of one or more features included in an integrated circuit (IC). Short wavelength illumination (e.g., visible light) is applied to thinned samples (e.g., ultra-thinned samples) to achieve a spatial resolution for laser voltage probing (LVP) analysis to be performed on smaller technology node silicon-on-insulator (SOI) and bulk devices. Thinning of a semiconductor material included in the IC (e.g., backside material) can be controlled such that the thinned semiconductor material has sufficient thickness to enable operation of one or more features comprising the IC during LVP investigation.
Type:
Grant
Filed:
August 26, 2015
Date of Patent:
March 21, 2017
Assignee:
Sandia Corporation
Inventors:
Joshua Beutler, John Joseph Clement, Mary A. Miller, Jeffrey Stevens, Edward I. Cole, Jr.
Abstract: A radiation detector comprises a silicon body in which are defined vertical pores filled with a converter material and situated within silicon depletion regions. One or more charge-collection electrodes are arranged to collect current generated when secondary particles enter the silicon body through walls of the pores. The pores are disposed in low-density clusters, have a majority pore thickness of 5 ?m or less, and have a majority aspect ratio, defined as the ratio of pore depth to pore thickness, of at least 10.
Type:
Grant
Filed:
August 11, 2014
Date of Patent:
March 14, 2017
Assignee:
Sandia Corporation
Inventors:
Murat Okandan, Mark S. Derzon, Bruce L. Draper
Abstract: A photonic apparatus includes a metamaterial resonator array overlying and electromagnetically coupled to a vertically stacked plurality of quantum wells defined in a semiconductor body. An arrangement of electrical contact layers is provided for facilitating the application of a bias voltage across the quantum well stack. Those portions of the semiconductor body that lie between the electrical contact layers are conformed to provide an electrically conductive path between the contact layers and through the quantum well stack.
Type:
Grant
Filed:
February 18, 2014
Date of Patent:
March 14, 2017
Assignee:
Sandia Corporation
Inventors:
Igal Brener, Michael Wanke, Alexander Benz
Abstract: A vertical III-nitride thin-film power diode can hold off high voltages (kV's) when operated under reverse bias. The III-nitride device layers can be grown on a wider bandgap template layer and growth substrate, which can be removed by laser lift-off of the epitaxial device layers grown thereon.
Type:
Grant
Filed:
December 2, 2015
Date of Patent:
March 14, 2017
Assignee:
Sandia Corporation
Inventors:
Jonathan Wierer, Jr., Arthur J. Fischer, Andrew A. Allerman
Abstract: A thermal swing reactor including a multi-flight auger and methods for solar thermochemical reactions are disclosed. The reactor includes a multi-flight auger having different helix portions having different pitch. Embodiments of reactors include at least two distinct reactor portions between which there is at least a pressure differential. In embodiments, reactive particles are exchanged between portions during a reaction cycle to thermally reduce the particles at first conditions and oxidize the particles at second conditions to produce chemical work from heat.
Abstract: The present invention related to self-limiting filters, arrays of such filters, and methods thereof. In particular embodiments, the filters include a metal transition film (e.g., a VO2 film) capable of undergoing a phase transition that modifies the film's resistivity. Arrays of such filters could allow for band-selective interferer rejection, while permitting transmission of non-interferer signals.
Type:
Grant
Filed:
May 26, 2015
Date of Patent:
March 7, 2017
Assignee:
Sandia Corporation
Inventors:
Christopher Nordquist, Sean Michael Scott, Joyce Olsen Custer, Darin Leonhardt, Tyler Scott Jordan, Christopher T. Rodenbeck, Paul G. Clem, Jeff Hunker, Steven L. Wolfley
Abstract: A centralizer assembly is disclosed that allows for the assembly to be deployed in-situ. The centralizer assembly includes flexible members that can be extended into the well bore in situ by the initiation of a gas generating device. The centralizer assembly can support a large load carrying capability compared to a traditional bow spring with little or no installation drag. Additionally, larger displacements can be produced to centralize an extremely deviated casing.
Type:
Grant
Filed:
March 4, 2014
Date of Patent:
February 28, 2017
Assignee:
Sandia Corporation
Inventors:
Mark C. Grubelich, Jiann-Cherng Su, Steven D. Knudsen
Abstract: The present invention relates to functionalized polymers including a poly(phenylene) structure. In some embodiments, the polymers and copolymers of the invention include a highly localized concentration of acidic moieties, which facilitate proton transport and conduction through networks formed from these polymers. In addition, the polymers can include functional moieties, such as electron-withdrawing moieties, to protect the polymeric backbone, thereby extending its durability. Such enhanced proton transport and durability can be beneficial for any high performance platform that employs proton exchange polymeric membranes, such as in fuel cells or flow batteries.
Type:
Grant
Filed:
November 5, 2015
Date of Patent:
February 28, 2017
Assignee:
Sandia Corporation
Inventors:
Cy Fujimoto, Harry Pratt, Travis Mark Anderson
Abstract: The present invention is directed to protocells for specific targeting of hepatocellular and other cancer cells which comprise a nanoporous silica core with a supported lipid bilayer; at least one agent which facilitates cancer cell death (such as a traditional small molecule, a macromolecular cargo (e.g.
Type:
Grant
Filed:
April 27, 2012
Date of Patent:
February 28, 2017
Assignees:
STC.UNM, Sandia Corporation
Inventors:
C. Jeffrey Brinker, Eric C. Carnes, Carlee Erin Ashley, Cheryl L. Willman
Abstract: Embodiments of fluid distribution manifolds, cartridges, and microfluidic systems are described herein. Fluid distribution manifolds may include an insert member and a manifold base and may define a substantially closed channel within the manifold when the insert member is press-fit into the base. Cartridges described herein may allow for simultaneous electrical and fluidic interconnection with an electrical multiplex board and may be held in place using magnetic attraction.
Type:
Grant
Filed:
October 7, 2010
Date of Patent:
February 28, 2017
Assignee:
Sandia Corporation
Inventors:
Ronald F. Renzi, Gregory J. Sommer, Anup K. Singh, Anson V. Hatch, Mark R. Claudnic, Ying-Chih Wang, James L. Van de Vreugde
Abstract: The present invention relates to antifouling coatings capable of being switched by using heat or ultraviolet light. Prior to switching, the coating includes an onium cation component having antimicrobial and antibacterial properties. Upon switching, the coating is converted to a conjugated polymer state, and the cationic component is released with any adsorbed biofilm layer. Thus, the coatings herein have switchable and releasable properties. Methods of making and using such coatings are also described.
Type:
Grant
Filed:
August 8, 2014
Date of Patent:
February 28, 2017
Assignee:
Sandia Corporation
Inventors:
Michele L. Baca Denton, Shawn M. Dirk, Ross Stefan Johnson