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Results 851–875 of 2,457

Hybrid semiconductor-piezoacoustic radiofrequency device

Patent • #10,666,222. An amplifying radiofrequency device includes a piezoelectric film and a semiconductor amplifier layer. The piezoelectric film is conformed as an acoustic waveguide. The piezoelectric film has a principal acoustic propagation direction parallel to the principal conduction direction of the amplifier layer. Interdigitated transducers are positioned on the piezoelectric film...

Hybrid Wide Range Detector Amplifier

Featured Opportunity • Many applications require detection of both very small and very large signals. High gain detector amplifiers provide low noise but are easily swamped by large signals. Logarithmic amplifiers provide a wide range but contributing to distortion. Auto-ranging circuits lose data when switching between low and high gain. Detecting over a...

Hydrogen peroxide modified sodium titanates with improved sorption capabilities

Patent • #7,494,640. The sorption capabilities (e.g., kinetics, selectivity, capacity) of the baseline monosodium titanate (MST) sorbent material currently being used to sequester Sr-90 and alpha-emitting radioisotopes at the Savannah River Site are significantly improved when treated with hydrogen peroxide; either during the original synthesis of MST, or, as a post-treatment step...

Hydrothermal aging-resistant plastic scintillator formulations

Patent • #10,732,304. A plastic scintillator includes an anti-fog additive or comonomer. The plastic scintillator is formulated to resist the development of hydrothermally-induced aging defects (e.g. discoloration and "fogging") while maintaining scintillation light output and other desirable physical properties.

Hydrothermal synthesis of bismuth germanium oxide

Patent • #9,518,219. A method for the hydrothermal synthesis of bismuth germanium oxide comprises dissolving a bismuth precursor (e.g., bismuth nitrate pentahydrate) and a germanium precursor (e.g., germanium dioxide) in water and heating the aqueous solution to an elevated reaction temperature for a length of time sufficient to produce the eulytite phase...

Hydroxyapatite Barriers for Radionuclide Containment

Featured Opportunity • Apatite, which has been shown to effectively bind and immobilize radionuclides, can also be used to form barriers in water and soil in contaminated environments. The apatite barrier is formed in situ in soil by injection of chelated calcium, phosphate and fluoride solution. In situ formed apatite can be used...

Hyperdimensional visualization tool

Patent • #10,297,054. A method and apparatus for displaying data. Independent data in the data is displayed by a computer system in a two-dimensional graph in a graphical user interface on a display system. Dimensions of dependent data in the data that are dependent on the independent data are displayed by the...

Hyperspectral Imaging and Multivariate Curve Resolution

Featured Opportunity • Researchers at Sandia have designed and constructed a hyperspectral confocal fluorescence microscope. Hyperspectral microscopes image hundreds of spectral wavelengths when obtaining spectral images. Included in the hyperspectral imaging system are software programs for controlling the microscope and its data collection, as well as spectral image viewing software for viewing both...

Hyperspectral imaging flow cytometer

Patent • #9,797,836. A hyperspectral imaging flow cytometer can acquire high-resolution hyperspectral images of particles, such as biological cells, flowing through a microfluidic system. The hyperspectral imaging flow cytometer can provide detailed spatial maps of multiple emitting species, cell morphology information, and state of health. An optimized system can image about 20...

Hyperspectral stimulated emission depletion microscopy and methods of use thereof

Patent • #8,686,363. A hyperspectral stimulated emission depletion ("STED") microscope system for high-resolution imaging of samples labeled with multiple fluorophores (e.g., two to ten fluorophores). The hyperspectral STED microscope includes a light source, optical systems configured for generating an excitation light beam and a depletion light beam, optical systems configured for focusing...

Identification of novel subgroups of high-risk pediatric precursor B acute lymphoblastic leukemia, outcome correlations and diagnostic and therapeutic methods related to same

Patent • #8,568,974. The present invention relates to the identification of genetic markers patients with high risk B-precursor acute lymphoblastic leukemia (B-ALL) and associated methods and their relationship to therapeutic outcome. The present invention also relates to diagnostic, prognostic and related methods using these genetic markers, as well as kits which provide...

Identify management using ephemeral biometrics

Patent • #10,439,817. An authentication system, device and method that include ephemeral biometrics at login authentication is disclosed. The system, device and method may continue to authenticate the user while accessed to a user system. The system, device and method may also include position/location reporting of the device.

Identifying an arc-fault type in photovoltaic arrays

Patent • #9,995,796. An apparatus, method, and system for detecting arc-faults in a photovoltaic array are disclosed. Further, the detection not only identifies that an arc-fault is present in the array, but also classifies whether the arc-fault is a series type arc-fault or a parallel type arc-fault. Upon determination of the specific...

Ignitable solids having an arrayed structure and methods thereof

Patent • #9,725,373. The present invention relates to the design and manufacture of an ignitable solid, where the solid is composed of an array of ignitable regions. In some examples, the array provides a three-dimensional periodic arrangement of such ignitable regions. The ignitable region can have any useful geometry and geometric arrangement...

Image projection lighting device displays and interactive images

Patent • #7,486,339. An improved multiparameter lighting fixture is provided comprising a base, a yoke, a lamp housing, and a communication port for receiving address and command signals. The lamp housing may be comprised of a lamp, a light valve, and a lens. The lamp, the light valve and the lens may...

Image registration via optimization over disjoint image regions

Patent • #9,886,645. Technologies pertaining to registering a target image with a base image are described. In a general embodiment, the base image is selected from a set of images, and the target image is an image in the set of images that is to be registered to the base image. A...

Image-rotating, 4-mirror, ring optical parametric oscillator

Patent • #6,775,054. A device for optical parametric amplification utilizing four mirrors oriented in a nonplanar configuration where the optical plane formed by two of the mirrors is orthogonal to the optical plane formed by the other two mirrors and with the ratio of lengths of the laser beam paths approximately constant...

Imaging doppler lidar for wind turbine wake profiling

Patent • #9,188,677. An imaging Doppler lidar (IDL) enables the measurement of the velocity distribution of a large volume, in parallel, and at high spatial resolution in the wake of a wind turbine. Because the IDL is non-scanning, it can be orders of magnitude faster than conventional coherent lidar approaches. Scattering can...

Imaging doppler velocimeter with downward heterodyning in the optical domain

Patent • #8,446,575. In a Doppler velocimeter, the incoming Doppler-shifted beams are heterodyned to reduce their frequencies into the bandwidth of a digital camera. This permits the digital camera to produce at every sampling interval a complete two-dimensional array of pixel values. This sequence of pixel value arrays provides a velocity image...

Impedance-matched drilling telemetry system

Patent • #7,362,235. A downhole telemetry system that uses inductance or capacitance as a mode through which signal is communicated across joints between assembled lengths of pipe wherein efficiency of signal propagation through a drill string, for example, over multiple successive pipe segments is enhanced through matching impedances associated with the various...

Improved Method to Measure Glare and Reflected Solar Irradiance

Featured Opportunity • Sandia has developed a cheap, efficient, and accurate method of measuring the irradiance from solar reflections using a digital camera. Measurements of reflected solar irradiance is of great importance to industry, military, and government agencies to assess potential impacts of glint and glare from growing numbers of solar power installations...
Results 851–875 of 2,457