Patent • #11677668. A computer-implemented method of deep packet inspection (DPI) in a network is provided. The method comprises collecting data packets comprising a number of traffic flows from a number of devices via a number of traffic taps and classifying each traffic flow according to data about network protocol layers of...
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Transparent contacts for stacked compound photovoltaic cells
Patent • #9,508,881. A microsystems-enabled multi-junction photovoltaic (MEM-PV) cell includes a first photovoltaic cell having a first junction, the first photovoltaic cell including a first semiconductor material employed to form the first junction, the first semiconductor material having a first bandgap. The MEM-PV cell also includes a second photovoltaic cell comprising a...
Transponder data processing methods and systems
Patent • #6,577,266. This invention is a radar/tag system where pulses from a radar cause a tag (or transponder) to respond to the radar. The radar, along with its conventional pulse transmissions, sends a reference signal to the tag. The tag recovers the reference signal and uses it to shift the center...
Trapped ion platform with optical input and output
Patent • #11150609. In disclosed apparatus, a plurality of optical waveguides monolithically integrated on a surface ion trap substrate deliver light to the trapping sites. Electrical routing traces defined in one or more metallization levels deliver electrical signals to electrodes of the surface electrode ion trap. A plurality of photodetectors are integrated...
TRAPPED ION PLATFORM WITH OPTICAL INPUT AND OUTPUT
Patent • #11,150,609.
Trimming method for microresonators and microresonators made thereby
Patent • #10,148,244. A micromechanical resonator is disclosed. The resonator includes a resonant micromechanical element. A film of annealable material deposited on a facial surface of the element. In one instance, the resonance of the element can be adjusting by using a feedback loop to control annealing of the deposited film.
Triple inverter pierce oscillator circuit suitable for CMOS
Patent • #7,183,868. An oscillator circuit is disclosed which can be formed using discrete field-effect transistors (FETs), or as a complementary metal-oxide-semiconductor (CMOS) integrated circuit. The oscillator circuit utilizes a Pierce oscillator design with three inverter stages connected in series. A feedback resistor provided in a feedback loop about a second inverter...
Trojan Horse Project: Biorefinery in a Plant
Featured Opportunity • Sandia researchers have developed a technology that could potentially turn agricultural waste, weeds, and other plant products that are typically discarded or destroyed into fuel. The idea is to create a consolidated biorefinery process inside plant cells. Thisresearch seeks to embed into the plant cells synthetic genetic circuits constructed using...
Tubular wave power device
Patent • #12129820. A tubular wave energy converter configured to remain afloat near the surface of a wave field and trap a water column oscillating asymmetrically to the wave field in which the converter is located. Water column oscillations create a pressure flux providing motive power for a generator. The converter, generator...
TufFoam
Featured Opportunity • Rigid Polyurethane Foam Absorbs Energy, Worker Safe, and Environment Friendly TufFoam is a toluene diisocyanate (TDI)-free, CFC-free water-blown, closed-cell, rigid polyurethane foam available in densities from 2 to 40 pounds per cubic foot. Initially formulated as an electronics encapsulant to mitigate the effects of harsh mechanical environments, TufFoam can also...
Tunable electrical conductivity in metal-organic framework thin film devices
Patent • #9,346,831. A composition including a porous metal organic framework (MOF) including an open metal site and a guest species capable of charge transfer that can coordinate with the open metal site, wherein the composition is electrically conductive. A method including infiltrating a porous metal organic framework (MOF) including an open...
Tunable electrical conductivity in metal-organic framework thin film devices
Patent • #9,428,525. A composition including a porous metal organic framework (MOF) including an open metal site and a guest species capable of charge transfer that can coordinate with the open metal site, wherein the composition is electrically conductive. A method including infiltrating a porous metal organic framework (MOF) including an open...
Tunable Fracture Toughness in Composite Laminate
Featured Opportunity • A process to prevent delamination failure and increase the long-term safety and performance of composite structures while reducing costs and adverse impacts. Toughened interleaves encourage crack jumping between plies, ultimately raising the structure’s toughness and arresting interply-delamination crack growth Delamination is a common failure in laminate composite structures. Delamination between...
Tunable graphene-based infrared reflectance filter having patterned nanoantenna layer and unpatterned graphene layer
Patent • #10,877,194. An actively tunable optical filter can control the amplitude of reflected infrared light. The filter exploits the dependence of the excitation energy of plasmons in a continuous and unpatterned sheet of graphene, on the Fermi-level, which can be controlled by conventional electrostatic gating. An exemplary filter enables simultaneous modification...
Tunable Infrared Pixels via Monolithically Integrated Dynamic Metasurfaces
Patent • #11,482,560.
Tunable infrared reflectance by phonon modulation
Patent • #9,909,233. The present invention pertains to the use of mobile coherent interfaces in a ferroelectric material to interact with optical phonons and, ultimately, to affect the material's optical properties. In altering the optical phonon properties, the optical properties of the ferroelectric material in the spectral range near-to the phonon mode...
Tunable ionic electronic transistor
Patent • #10,429,343. Various technologies pertaining to a transistor having a variable-conductance channel with a non-volatile tunable conductance are described herein. The transistor comprises source and drain electrodes separated by a conducting channel layer. The conducting channel layer is separated from an electrochemical gate (ECG) layer by an electrolyte layer that prevents...
Tunable light source for use in photoacoustic spectrometers
Patent • #6,975,402. The present invention provides a photoacoustic spectrometer that is field portable and capable of speciating complex organic molecules in the gas phase. The spectrometer has a tunable light source that has the ability to resolve the fine structure of these molecules over a large wavelength range. The inventive light...
Tunable metal-organic framework compositions and methods thereof
Patent • #11,007,516. The present invention relates to a metal-organic framework composition, as well as constructs and methods thereof. In one particular example, the composition provides a platform having an emission signal in the deep red to near-infrared (NIR) region.
Tunable negative coefficient thermal expansion materials and composites
Patent • #11840459. The present disclosure is directed to variable composition ceramics. Zr(2−x)Hf(x)WP2O12 and Hf2WP2O12 exhibit large negative thermal expansion that is linear over a large temperature range up to at least 900° C., These new ceramic material particles may be mixed with polymers to make a composite suitable for use in...
Tunable plasmonic crystal
Patent • #9,105,791. A tunable plasmonic crystal comprises several periods in a two-dimensional electron or hole gas plasmonic medium that is both extremely subwavelength (.about..lamda./100) and tunable through the application of voltages to metal electrodes. Tuning of the plasmonic crystal band edges can be realized in materials such as semiconductors and graphene...
Tunable surface plasmon devices
Patent • #8,009,356. A tunable extraordinary optical transmission (EOT) device wherein the tunability derives from controlled variation of the dielectric constant of a semiconducting material (semiconductor) in evanescent-field contact with a metallic array of sub-wavelength apertures. The surface plasmon resonance wavelength can be changed by changing the dielectric constant of the dielectric...
Tunable Surface Plasmon Infrared Modulator
Featured Opportunity • There is a need for improved active infrared optical elements such as modulators. Extraordinary optical transmission (EOT) through subwavelength apertures allows for tailored filtering based on plasmon resonance. Until now EOT devices have not fully achieved the need for variable attenuation capabilities. Sandia has developed an EOT device with a...
Tuneable photonic device including an array of metamaterial resonators
Patent • #9,594,266. 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...
Tuning and synthesis of metallic nanostructures by mechanical compression
Patent • #9,180,420. The present invention provides a pressure-induced phase transformation process to engineer metal nanoparticle architectures and to fabricate new nanostructured materials. The reversible changes of the nanoparticle unit cell dimension under pressure allow precise control over interparticle separation in 2D or 3D nanoparticle assemblies, offering unique robustness for interrogation of...
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