Patent • #10,724,120. The ability to generate complex gallium alloys using metal amides, Ga(NR.sub.2).sub.3 and M(NR.sub.2).sub.n, is easily accomplished by heating the two metal amides in predetermined ratios. The product can be isolated as Ga.sub.xM.sub.y where x and y can vary.
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Rapidly tunable, narrow-band infrared filter arrays
Patent • #10,393,933. Tunable filters can use Fano metasurface designs having extremely narrow transmission bands. The Fano metasurface can comprise dielectric or semiconductor materials and can produce transmission bands with quality factors well in excess of 1000--at least a factor of 50 greater than typical metamaterial-based infrared resonances. Numerical simulations of these...
RAPTR N95: Rapidly Producible, Reusable N95 Respirator
Featured Opportunity • Sandia National Laboratories in collaboration with Mayo Clinic has developed a rapidly producible, reusable N95 respirator mask designed for medical use Significant shortages in the supply and availability of medical-grade personal protective equipment (PPE), specifically N95 respirators, have been a defining feature of the COVID-19 pandemic. Access to inexpensive, reusable,...
Rare Earth Element Separation Using Mesoporous Materials
Featured Opportunity • A simple and more efficient method for separating rare earth elements using mesoporous materials that eliminates hazardous solvents and complex, multi-step processes Rare earth elements (REEs) possess unique optical and magnetic properties that are critical for next-generation electronics and emerging technologies. In contrast with trace metals such as copper and...
Rare-earth tantalates and niobates suitable for use as nanophosphors
Patent • #8,585,928. A family of rare-earth Group 5 oxides, where the Group 5 oxide is a niobate or tantalate. The rare-earth Group 5 oxides can be doped with suitable emitter ions to form nanophosphors.
Reach and get capability in a computing environment
Patent • #8,196,101. A reach and get technique includes invoking a reach command from a reach location within a computing environment. A user can then navigate to an object within the computing environment and invoke a get command on the object. In response to invoking the get command, the computing environment is...
Reactive ion etched substrates and methods of making and using
Patent • #7,253,008. Disclosed herein are substrates comprising reactive ion etched surfaces and specific binding agents immobilized thereon. The substrates may be used in methods and devices for assaying or isolating analytes in a sample. Also disclosed are methods of making the reactive ion etched surfaces.
Reactor for removing ammonia
Patent • #7,618,600. Disclosed is a device for removing trace amounts of ammonia from a stream of gas, particularly hydrogen gas, prepared by a reformation apparatus. The apparatus is used to prevent PEM "poisoning" in a fuel cell receiving the incoming hydrogen stream.
REAL TIME AUTONOMOUS SURVEILLANCE OF PATHOGENS
Patent • #11,366,116.
Real time markerless motion tracking using linked kinematic chains
Patent • #7,257,237. A markerless method is described for tracking the motion of subjects in a three dimensional environment using a model based on linked kinematic chains. The invention is suitable for tracking robotic, animal or human subjects in real-time using a single computer with inexpensive video equipment, and does not require...
Real-time method for establishing a detection map for a network of sensors
Patent • #8,265,870. A method for establishing a detection map of a dynamically configurable sensor network. This method determines an appropriate set of locations for a plurality of sensor units of a sensor network and establishes a detection map for the network of sensors while the network is being set up; the...
Real-time software upgrade
Patent • #10,037,203. The various technologies presented herein relate to upgrading industrial control software in real-time. During utilization of a first software to control an industrial process, a determination can be made that the first software needs to be replaced (e.g., partially or entirely) owing to a newer version of software is...
Reconditioning of semiconductor substrates to remove photoresist during semiconductor device fabrication
Patent • #6,682,607. A method for reconditioning the surface of a semiconductor substrate to remove an unwanted (i.e. defective) layer of photoresist is disclosed. The method adapts a conventional automated spinner which is used to rotate the substrate at high speed while a stream of a first solvent (e.g. acetone) is used...
Reconfigurable electronics using conducting metal-organic frameworks
Patent • #9,711,743. A device including a porous metal organic framework (MOF) disposed between two terminals, the device including a first state wherein the MOF is infiltrated by a guest species to form an electrical path between the terminals and a second state wherein the electrical conductivity of the MOF is less...
Reconfigurable optical-to-optical frequency conversion method and apparatus
Patent • #9,625,785. A photonic device is provided for impressing a modulation pattern on an optical carrier. The device includes a unit in which a photodetector and an optical microresonator are monolithically integrated. The device further includes an optical waveguide evanescently coupled to the optical microresonator and having at least an upstream...
Reconfigureable network node
Patent • #7,355,986. Nodes in a network having a plurality of nodes establish communication links with other nodes using available transmission media, as the ability to establish such links becomes available and desirable. The nodes predict when existing communications links will fail, become overloaded or otherwise degrade network effectiveness and act to...
Rectenna that converts infrared radiation to electrical energy
Patent • #9,437,629. Technologies pertaining to converting infrared (IR) radiation to DC energy are described herein. In a general embodiment, a rectenna comprises a conductive layer. A thin insulator layer is formed on the conductive layer, and a nanoantenna is formed on the thin insulator layer. The thin insulator layer acts as...
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Red-Emitting Phosphors for Solid-State Lighting
Featured Opportunity • Sandia has developed red-emitting phosphors that will help to transform the cold blue of many current light-emitting diodes (LEDs) into the warm white that is preferred for general lighting. This advance could help move solid-state lighting (SSL) into broader applications and market spaces. This class of rare-earth doped tantalates has...
Redox buffered hydrofluoric acid etchant for the reduction of galvanic attack during release etching of MEMS devices having noble material films
Patent • #7,597,819. Etchant solutions comprising a redox buffer can be used during the release etch step to reduce damage to the structural layers of a MEMS device that has noble material films. A preferred redox buffer comprises a soluble thiophosphoric acid, ester, or salt that maintains the electrochemical potential of the...
Redox-active oxide materials for thermal energy storage
Patent • #10,800,665. Thermochemical storage materials having the general formula A.sub.xA'.sub.1-xB.sub.yB'.sub.1-yO.sub.3-.delta., where A=La, Sr, K, Ca, Ba, Y and B=Mn, Fe, Co, Ti, Ni, Cu, Zr, Al, Y, Cr, V, Nb, Mo, are disclosed. These materials have improved thermal storage energy density and reaction kinetics compared to previous materials. Concentrating solar power...
REDOX-ACTIVE OXIDE MATERIALS FOR THERMAL ENERGY STORAGE
Patent • #11,339,766.
Reduced weight decontamination formulation for neutralization of chemical and biological warfare agents
Patent • #8,741,174. A reduced weight DF-200 decontamination formulation that is stable under high temperature storage conditions. The formulation can be pre-packed as an all-dry (i.e., no water) or nearly-dry (i.e., minimal water) three-part kit, with make-up water (the fourth part) being added later in the field at the point of use.
Reduced weight decontamination formulation utilizing a solid peracid compound for neutralization of chemical and biological warfare agents
Patent • #8,022,265. A reduced weight decontamination formulation that utilizes a solid peracid compound (sodium borate peracetate) and a cationic surfactant (dodecyltrimethylammonium chloride) that can be packaged with all water removed. This reduces the packaged weight of the decontamination formulation by .about.80% (as compared to the "all-liquid" DF-200 formulation) and significantly lowers...
Reduced-bias multi-resolution coherent change detection
Patent • #10,345,440. Described herein are various technologies relating to generating a reduced bias multi-resolution (RBMR) coherent change detection (CCD) image product. A low bias, low resolution (LBLR) CCD image product is generated based upon a first SAR image of a scene and a second SAR image of the scene, where each...
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