Patents Assigned to United States of America as represented by the Secretary of Commerce
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Patent number: 9486179Abstract: A multilayered optical tissue phantom fabrication approach and inherently produced test target structure which address the issues of of optical conformity known in the art by controlling the formation of micrometer scale monolayers embedded with light-scattering microspheres.Type: GrantFiled: September 5, 2013Date of Patent: November 8, 2016Assignee: The United States of America, as represented by the Secretary of Commerce The National Institute of Standards and TechnologyInventors: Jeeseong Hwang, Christopher Stafford, Robert Chang
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Patent number: 9476862Abstract: A nanostructure sensing device comprises a semiconductor nanostructure having an outer surface, and at least one of metal or metal-oxide nanoparticle clusters functionalizing the outer surface of the nanostructure and forming a photoconductive nanostructure/nanocluster hybrid sensor enabling light-assisted sensing of a target analyte.Type: GrantFiled: April 12, 2013Date of Patent: October 25, 2016Assignees: University of Maryland, College Park, The United States of America, as Represented by the Secretary of Commerce, National Institute of Standards and Technology, George Mason University, The George Washington UniversityInventors: Abhishek Motayed, Geetha Aluri, Albert V. Davydov, Mulpuri V. Rao, Vladimir P. Oleshko, Ritu Bajpai, Mona E. Zaghloul
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Patent number: 9460921Abstract: A nanowire article includes a substrate; a plurality of nanowires disposed on the substrate, the nanowires comprising a semiconductor nitride, the semiconductor comprising an element selected from group 3 of the periodic table; and a superlattice layer interposed between the substrate and the plurality of gallium nitride nanowires. A process for producing a nanowire article includes disposing a superlattice layer on a substrate; disposing a first buffer layer on the superlattice layer; contacting the first buffer layer with a precursor; and forming a plurality of nanowires from the precursor on the first buffer layer to form the nanowire article, the nanowires comprising a semiconductor nitride, the semiconductor comprising an element selected from group 3 of the periodic table.Type: GrantFiled: April 6, 2015Date of Patent: October 4, 2016Assignees: THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF COMMERCE, REGENTS OF THE UNIVERISTY OF COLORADOInventors: Kristine A. Bertness, Matthew D. Brubaker, William M. Old
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Patent number: 9450673Abstract: A microwave-frequency source at frequency fM comprises: a dual optical-frequency reference source, an electro-optic sideband generator, an optical bandpass filter, an optical detector, a reference oscillator, an electrical circuit, and a voltage-controlled oscillator (VCO). The sideband generator modulates dual optical reference signals at v2 and v1 to generate sideband signals at v1±n1fM and v2±n2fM. The bandpass filter transmits sideband signals at v1+N1fM and v2?N2fM. The optical detector generates a beat note at (v2?N2fM)?(v1+N1fM). The beat note and a reference oscillator signal are processed by the circuit to generate a loop-filtered error signal to input to the VCO. Output of the VCO at fM drives the sideband generator and forms the microwave-frequency output signal. The resultant frequency division results in reduced phase noise on the microwave-frequency signal.Type: GrantFiled: January 26, 2015Date of Patent: September 20, 2016Assignees: CALIFORNIA INSTITUTE OF TECHNOLOGY, THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF COMMERCE, THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGYInventors: Kerry Vahala, Scott Diddams, Jiang Li, Xu Yi, Hansuek Lee
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Patent number: 9437923Abstract: A system and method for imaging and aligning antennas that includes an overlay imaging aligner composed of two or more antennas in association with a polarization gate, a polarization beam splitter, a non-polarizing beam splitter, a beam dump, one or more imaging lens and a common detector array. The overlay imaging aligner aligns the antennas by overlaying simultaneous digital images associated with the antennas on the common detector array. The antennas can be, for example, mm Wave antennas, waveguides, etc. The detector array generates real-time digital images the antennas. Such an approach of simultaneous imaging leverages the spatial resolution of digital optical imaging to aligning antenna components.Type: GrantFiled: October 15, 2012Date of Patent: September 6, 2016Assignee: The United States of America, as represented by the Secretary of Commerce, The National Institute of Standards and TechnologyInventor: Joshua A. Gordon
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Patent number: 9431211Abstract: A hybrid electron microscope includes: an electron source to emit an electron beam; a parabolic mirror including: a reflective surface; and an aperture to communicate the electron beam through the parabolic mirror; and a sample holder interposed between the electron source and the parabolic mirror such that the reflective surface of the parabolic mirror faces the electron source and the sample holder.Type: GrantFiled: August 17, 2015Date of Patent: August 30, 2016Assignees: THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF COMMERCE, UNIVERSITY OF MARYLAND, COLLEGE PARKInventors: Renu Sharma, Stefano Mazzucco
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Patent number: 9407246Abstract: A phase modulation (PM) noise reducer includes: an amplitude modulation (AM) detector to receive a primary oscillator signal and to produce an AM detector signal, the primary oscillator signal including a first PM noise; and a control circuit to receive the AM detector signal, to produce a control signal, and to communicate the control signal to a phase shifter, wherein the phase shifter receives the primary oscillator signal and control signal, and the oscillator produces a secondary oscillator signal that includes a second PM noise that is less than the first PM noise, and further including; a PM detector and power splitter receives the primary oscillator signal, splits a power of the primary oscillator signal, and communicates the primary oscillator signal to the AM detector and PM detector.Type: GrantFiled: May 19, 2015Date of Patent: August 2, 2016Assignee: THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF COMMERCEInventors: Archita Hati, Craig Nelson, David Howe
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Patent number: 9349033Abstract: A contactless, three-dimensional fingerprint scanner apparatus, method, and system are described. The contactless fingerprint scanner can provide either, or both, topographical contrast of three-dimensional fingerprint features and optical contrast of a three-dimensional fingerprint surface. Data captured from scanning of a target with known geometric features mimicking fingerprint features can be examined as images or surface plots and analyzed for fidelity against the known target feature specifications to evaluate or validate device capture performance as well as interoperability. The target can be used by scanner vendors and designers to validate their devices, as well as to perform type certification.Type: GrantFiled: September 21, 2012Date of Patent: May 24, 2016Assignee: The United States of America, as represented by the Secretary of Commerce, The National Institute of Standards and TechnologyInventors: Shahram Orandi, Fred Byers, Stephen Harvey, Michael D. Garris, Stephen S. Wood, John M. Libert, Jin Chu Wu
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Patent number: 9341781Abstract: An apparatus and technique are used to fabricate optical microresonators. A fabrication chamber contains all fabrication materials and devices. The microresonators are fabricated from a glass preform mounted on a motorized spindle. A laser is focused onto the preform to partly or fully impinge on the preform. The laser's focus position is controlled by changing the positioning of a lens mounted on a translation stage. Piezoelectric control elements may be mounted to finished microresonators to control of nonlinear parametric oscillation and four-wave mixing effects of the microresonator, control of nonlinear optical stimulated Brillouin scattering and Raman effects of said microresonator and wideband tuning of the frequency spacing between the output modes of a nonlinear-Kerr-effect optical frequency comb generated with said microresonator.Type: GrantFiled: September 9, 2013Date of Patent: May 17, 2016Assignee: The United States of America, as represented by the Secretary of Commerce The National Institute of Standards & TechnologyInventors: Scott Diddams, Scott Papp, Pascal Del'Haye
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Patent number: 9324534Abstract: A cold cathode field emission electron source capable of emission at levels comparable to thermal sources is described. Emission in excess of 6 A/cm2 at 7.5 V/?m is demonstrated in a macroscopic emitter array. The emitter has a monolithic and rigid porous semiconductor nanostructure with uniformly distributed emission sites, and is fabricated through a room temperature process which allows for control of emission properties. These electron sources can be used in a wide range of applications, including microwave electronics and x-ray imaging for medicine and security.Type: GrantFiled: October 20, 2014Date of Patent: April 26, 2016Assignee: THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF COMMERCE, THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGYInventors: Fred Sharifi, Myung-Gyu Kang, Henri Lezec
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Patent number: 9325729Abstract: Systems and methods for determining a safety level of a network vulnerable to attack from at least one origin to at least one target are described. Machines, components, and vulnerabilities in a network may be associated to one another. Degrees of similarity among the vulnerabilities may be determined and subsets of vulnerabilities may be grouped based on their determined degrees of similarity to one another. This data may be used to generate an attack graph describing exploitation of vulnerabilities and grouped vulnerabilities and defining vulnerability exploit condition relationships between at least one origin and at least one target. The attack graph may be analyzed using a k-zero day metric function to determine a safety level.Type: GrantFiled: July 7, 2014Date of Patent: April 26, 2016Assignees: George Mason Research Foundation, Inc., The United States of America, as represented by the Secretary of Commerce, The National Institute of Standards and TechnologyInventors: Sushil Jajodia, Lingyu Wang, Steven Noel, Anoop Singhal
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Publication number: 20160104073Abstract: This invention relates to a quantum computing device and the means for fabrication thereof. One side of the device includes a circuit containing at least one qubit patterned in a film of superconducting material. The other side of the device includes a conductive plane, also formed from a film of superconducting material. The proximity of the conductive plane suppresses radiative decay of the qubit, while readout is achieved by coupling the qubit to a resonator.Type: ApplicationFiled: December 5, 2013Publication date: April 14, 2016Applicant: The United States of America as represented by the Secretary of CommerceInventors: Martin Sandberg, Jiansong Gao, Michael Vissers, David Pappas
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Publication number: 20160094637Abstract: A high performance real-time interactive exploration and visualization tool brings massive amounts of 4-D data, including output from multiple environmental forecast models as well as different data from different observations, in one place. Server side architecture provides a real-time stream processing system utilizing server-based Graphical Processing Units (GPU's) for data processing, wavelet based compression, and other preparation techniques for visualization, to minimize the bandwidth and latency for data delivery to end-users. Client side users interact through the visualization application developed using the Unity game engine and takes advantage of the GPU's allowing a user to interact with large data sets in real time.Type: ApplicationFiled: September 25, 2015Publication date: March 31, 2016Applicant: The United States of America, represented by the Secretary of CommerceInventors: Eric Hackathorn, Jebb Stewart, Jeff Smith, Julien Lynge
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Patent number: 9240255Abstract: Electron beam phase gratings have phase profiles that produce a diffracted beam having a Gaussian or other selected intensity profile. Phase profiles can also be selected to correct or compensate electron lens aberrations. Typically, a low diffraction order produces a suitable phase profile, and other orders are discarded.Type: GrantFiled: March 6, 2014Date of Patent: January 19, 2016Assignees: University of Oregon, The United States of America, as represented by the Secretary of Commerce, The Regents of the University of CaliforniaInventors: Benjamin McMorran, Martin Linck
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Publication number: 20150377850Abstract: A sensitive, compact detector measures total reactive nitrogen (NOy), as well as NO2, NO, and O3. In all channels, NO2 is directly detected by laser diode based cavity ring-down spectroscopy (CRDS) at 405 nm. Ambient O3 is converted to NO2 in excess NO for the O3 measurement channel. Likewise, ambient NO is converted to NO2 in excess O3. Ambient NOy is thermally dissociated at 700C to form NO2 or NO in a heated quartz inlet. Any NO present in ambient air or formed from thermal dissociation of other reactive nitrogen compounds is converted to NO2 in excess O3 after the thermal converter. The precision and accuracy of this instrument make it a versatile alternative to standard chemiluminescence-based NOy instruments.Type: ApplicationFiled: May 27, 2015Publication date: December 31, 2015Applicant: The United States of America, represented by the Secretary of CommerceInventors: Steven S. Brown, William P. Dubé, Robert J. Wild
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Patent number: 9198645Abstract: Methods for the formation of liposomes that encapsulate reagents in a continuous 2-phase flow microfluidic network with precision control of size, for example, from 100 nm to 300 nm, by manipulation of liquid flow rates are described. By creating a solvent-aqueous interfacial region in a microfluidic format that is homogenous and controllable on the length scale of a liposome, fine control of liposome size and polydispersity can be achieved.Type: GrantFiled: July 21, 2004Date of Patent: December 1, 2015Assignee: The United States of America, as represented by the Secretary of Commerce of The National Institute of Standards and TechnologyInventors: Andreas Jahn, Wyatt N. Vreeland, Laurie E. Locascio, Michael Gaitan
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Patent number: 9188519Abstract: Systems and methods are described for concurrently applying loads to multiple test specimens. The systems and methods are useful for cyclical tensile loading of specimens such as in fatigue strength evaluations. The systems and methods are also useful for low frequency cyclical loading evaluations.Type: GrantFiled: June 5, 2013Date of Patent: November 17, 2015Assignees: THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF COMMERCE, THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGYInventors: Joseph David McColskey, Andrew J. Slifka, III, Elizabeth S. Drexler, Marc Dvorak
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Publication number: 20150313189Abstract: A feeder for larval and juvenile fishes is capable of delivering an adjustable dose of microparticulate feed to selected locations, via pneumatic conveyance and control. A source of low-pressure dry gas is used to blow microparticulate feed through a manifold and into a selected one of a number of tubes. In order to adjust the portion dispensed by the feeder, an adjustable portion control is provided. Instead of a fixed sized ration cup a threaded recess is provided. Within the recess is provided a mating nylon set screw with an Allen hex head socket. By screwing the set screw in, or out, a user may increase, or decrease the volume of each dose.Type: ApplicationFiled: July 11, 2015Publication date: November 5, 2015Applicant: The United States of America, represented by the Secretary of CommerceInventors: Thomas M Scott, Kenneth Ashley
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Patent number: 9162226Abstract: A method and system for a folding microfluidic device comprises creating at least one folding line in a material, forming a plurality of layers of a microfluidic device in said material, and folding the material at the fold lines to create a self-aligned multilayered microfluidic device. The material can comprise a carrier material with an adhesive layer on the top and bottom surfaces.Type: GrantFiled: May 11, 2012Date of Patent: October 20, 2015Assignees: The United States of America, as represented by the Secretary of Commerce, The National Institute of Standards and TechnologyInventors: Gregory A. Cooksey, Francisco Javier Atencia-Fernandez
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Patent number: 9140657Abstract: An embodiment of a method of detecting a J-coupling includes providing a polarized analyte adjacent to a vapor cell of an atomic magnetometer; and measuring one or more J-coupling parameters using the atomic magnetometer. According to an embodiment, measuring the one or more J-coupling parameters includes detecting a magnetic field created by the polarized analyte as the magnetic field evolves under a J-coupling interaction.Type: GrantFiled: April 13, 2010Date of Patent: September 22, 2015Assignees: The Regents of the University of California, The United States of America, as represented by the Secretary of Commerce, the National Institute of Standards and TechnologyInventors: Micah P. Ledbetter, Charles W. Crawford, David E. Wemmer, Alexander Pines, Svenja Knappe, John Kitching, Dmitry Budker
