Search

Results 2151–2175 of 2,279

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 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 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...

Tuning and synthesis of semiconductor nanostructures by mechanical compression
Patent • #9,187,646. A mechanical compression method can be used to tune semiconductor nanoparticle lattice structure and synthesize new semiconductor nanostructures including nanorods, nanowires, nanosheets, and other three-dimensional interconnected structures. II-VI or IV-VI compound semiconductor nanoparticle assemblies can be used as starting materials, including CdSe, CdTe, ZnSe, ZnS, PbSe, and PbS.

Tuning method for microresonators and microresonators made thereby
Patent • #9,203,134. A micromechanical resonator is disclosed. The resonator includes a resonant micromechanical element. A film of annealable material can be deposited on a facial surface of the element. The resonance of the element can be tuned by annealing the deposited film. Also disclosed are methods of applying a film on...

Turbo-alternator-compressor design for supercritical high density working fluids
Patent • #8,397,506. Techniques for generating power are provided. Such techniques involve a thermodynamic system including a housing, a turbine positioned in a turbine cavity of the housing, a compressor positioned in a compressor cavity of the housing, and an alternator positioned in a rotor cavity between the turbine and compressor cavities....

Twistact
Featured Opportunity • A fundamentally new type of rotary electrical contact that addresses short operating lifetime due to sliding-contact wear and electrical arcing associated with contact bounce Researchers at Sandia National Laboratories developed a fundamentally new type of rotary electrical contact that addresses the two limitations of conventional brush/slip ring technology: (1) short...

Two antenna, two pass interferometric synthetic aperture radar
Patent • #6,911,932. A multi-antenna, multi-pass IFSAR mode utilizing data driven alignment of multiple independent passes can combine the scaling accuracy of a two-antenna, one-pass IFSAR mode with the height-noise performance of a one-antenna, two-pass IFSAR mode. A two-antenna, two-pass IFSAR mode can accurately estimate the larger antenna baseline from the data...

Two-color infrared detector
Patent • #8,723,161. A two-color detector includes a first absorber layer. The first absorber layer exhibits a first valence band energy characterized by a first valence band energy function. A barrier layer adjoins the first absorber layer at a first interface. The barrier layer exhibits a second valence band energy characterized by...

Two-dimensional APDs and SPADs and related methods
Patent • #9,391,225. Avalanche photodiodes (APDs) and single photon avalanche detectors (SPADs) are provided with a lateral multiplication region that provides improved amplification through increased impact ionization.

Two-fluid hydrodynamic printing
Patent • #10,130,961. Hydrodynamic focusing of two fluid steams provides a novel micro printing technology for printed electronics and other high performance applications.
Results 2151–2175 of 2,279