Search

Results 1501–1525 of 1,875

Single light photon counting radiation detector and data transmission methods

Patent • #US12535604B2. A single photon radiation detector is designed for a particular radiation source fluence, such that an incident radiation photon strikes a scintillator monolith, creating scintillation photons, which are amplified by appropriately sized channels of photomultipliers optically coupled to the scintillator monolith. The photomultiplier output is electronically shaped into a...

Single volume fission energy neutron detector

Patent • #US9835741B1. A single volume fission energy neutron detector is described herein. The detector includes a single volume of scintillator. A photodetector is positioned adjacent to a surface of the scintillator, wherein the photodetector has relatively small spatial resolution corresponding thereto and relatively small temporal resolution corresponding thereto. Based upon values...

Single-resonator double-negative metamaterial

Patent • #US9374887B1. Resonances can be tuned in dielectric resonators in order to construct single-resonator, negative-index metamaterials. For example, high-contrast inclusions in the form of metallic dipoles can be used to shift the first electric resonance down (in frequency) to the first magnetic resonance, or alternatively, air splits can be used to...

Single-source synthesis of ceramic oxide nanoparticles

Patent • #US10407347B2. The tris(trimethylsilyl)silanol (H-SST) ligand can be reacted with a Group 4 or 5 metal alkoxides in a solvent to form an SST-modified metal alkoxide precursor. Exemplary Group 4 precursors include [Ti(SST)2(OR)2] (OR=OPri, OBut, ONep); [Ti(SST)3(OBun)]; [Zr(SST)2(OBut)2(py)]; [Zr(SST)3(OR)] (OR=OBut, ONep); [Hf(SST)2(OBut)2]; and [Hf(SST)2(ONep)2(py)n] (n=1, 2), where OPri=OCH(CH3)2, OBut=OC(CH3)3, OBun=O(CH2)3CH3, ONep=OCH2C(CH3)3,...

Six degrees of freedom compliant flexure and autonomous assembly using same

Patent • #US11986948B1. A flexure having six degrees of freedom is disclosed. The constraint and compliance of the flexure in all six degrees of freedom may be independently tuned for an application. The flexure may include various combinations of sections including, for example, straight arm and curvilinear sections. The constraint and compliance...

Sliding pressure control valve for pneumatic hammer drill

Patent • #US8006776B1. A pneumatic device control apparatus and method comprising a ported valve slidably fitted over a feed tube of the pneumatic device, and using a compliant biasing device to constrain motion of the valve to provide asymmetric timing for extended pressurization of a power chamber and reduced pressurization of a...

Sliding Pressure Control Valve for Pneumatic Hammer Drill

Featured Opportunity • Sandia National Laboratories has developed a sliding feed tube pressure control valve for reciprocating hammer drills that is more efficient and produces more drilling power.In the current valveless designs, the reciprocation of the piston is accomplished by inputting high pressure air into either the power chamber or the return chamber...

Small caliber guided projectile

Patent • #US7781709B1. A non-spinning projectile that is self-guided to a laser designated target and is configured to be fired from a small caliber smooth bore gun barrel has an optical sensor mounted in the nose of the projectile, a counterbalancing mass portion near the fore end of the projectile and a...

Small molecule inhibitors for treatment of alpha viruses

Patent • #US11564919B1. An in vitro assay was designed to measure the activity of the alphavirus non-structural protein 2 (nsP2), which is the viral protease and is required for viral replication. By taking advantage of fluorescence-resonance energy transfer between two proteins, a protease cleavage assay was generated. This was utilized for high-throughput...

Small mover target detection in synthetic aperture radar imagery

Patent • #US10254399B1. The various technologies presented herein relate to detecting small moving entities or targets in radar imagery. Two SAR images can be captured for a common scene, wherein the scene is imaged twice from the same flight path. The first image is captured at a first instance and the second...

Smart trigger logic for focal plane arrays

Patent • #US8681248B1. An electronic device includes a memory configured to receive data representing light intensity values from pixels in a focal plane array and a processor that analyzes the received data to determine which light values correspond to triggered pixels, where the triggered pixels are those pixels that meet a predefined...

SmartLAMP

Featured Opportunity • Researchers at Sandia National Laboratories have developed a smartphone-controlled, battery-operated point-of-care diagnostic device that weighs under a pound, costs as little as $100 and can detect Zika and other vector-borne diseases rapidly and accurately. Current testing for mosquito-borne viruses requires a full laboratory that leaves patients waiting for days to...

Sodium electrochemical interfaces with NaSICON-type ceramics

Patent • #US11545723B2. The present invention is directed to the modification of sodium electrochemical interfaces to improve performance of NaSICON-type ceramics in a variety of electrochemical applications. Enhanced mating of the separator-sodium interface by means of engineered coatings or other surface modifications results in lower interfacial resistance and higher performance at increased...

SOFAST: Sandia Optical Fringe Analysis Slope Tool for Solar Mirror Characterization

Featured Opportunity • This technology is an automated system in which the reflection of a mirror, typically for solar applications, is characterized by the slope and slope errors. The system uses a video camera and a PC to create fringe patterns from the reflection of the mirror. These patterns can characterize and better...

Solar cell with back side contacts

Patent • #US8614395B1. A III-V solar cell is described herein that includes all back side contacts. Additionally, the positive and negative electrical contacts contact compound semiconductor layers of the solar cell other than the absorbing layer of the solar cell. That is, the positive and negative electrical contacts contact passivating layers of...

Solar Glare Hazard Analysis Tool (SGHAT)

Software • Sandia developed SGHAT v. 2.0, a web-based tool and methodology to evaluate potential glint/glare hazards associated with solar energy installations. The validated tool provides a quantified assessment of when and where glare will occur, as well as information about potential ocular impacts.

Solar Glare Hazard Analysis Tool (SGHAT)

Featured Opportunity • With growing numbers of solar energy systems being proposed and installed throughout the United States, the potential impact of glint and glare from photovoltaic modules, concentrating solar collectors, receivers, and other components is receiving increased attention as a potential hazard or distraction for pilots, air-traffic control personnel, motorists, and residents....

Solar photovoltaic reflective trough collection structure

Patent • #US9190546B1. A photovoltaic (PV) solar concentration structure having at least two troughs encapsulated in a rectangular parallelepiped optical plastic structure, with the troughs filled with an optical plastic material, the troughs each having a reflective internal surface and approximately parabolic geometry, and the troughs each including photovoltaic cells situated so...

Solar receivers and methods for capturing solar energy

Patent • #US11336224B2. Thermal receivers, systems, and methods are disclosed that efficiently capture concentrated solar energy into a plurality of heat absorption bodies for conversion into thermal energy. In an embodiment, the thermal receivers, systems, and methods enable simultaneous electricity conversion and thermal energy capture. The receiver design enables a high penetration...

Solar receivers and methods for capturing solar energy

Patent • #US10348241B1. Thermal receivers, systems, and methods are disclosed that efficiently capture concentrated solar energy into a plurality of heat absorption bodies for conversion into thermal energy. In an embodiment, the thermal receivers, systems, and methods enable simultaneous electricity conversion and thermal energy capture. The receiver design enables a high penetration...

Solar thermal receivers with multi-scale light trapping geometry and features

Patent • #US10935281B1. Solar receivers including a plurality of multi-scale solar absorbing surfaces arranged such that light or heat reflected from or emitted from one or more of the plurality of solar absorbing surfaces impinges one or more other solar absorbing surfaces of the solar receiver. The disclosed receivers increase the amount...

Solar thermal testing of ablators and composites

Patent • #US12436073B2. An apparatus for thermal ablation testing is provided. The apparatus comprises: a chamber; an optically transparent window in the chamber; a sample holder inside the chamber; a test sample in the sample holder; a number of bare-wire thermocouples connected to the test sample, wherein the thermocouples generate temperature data...

Solar Tracing Sensors for Maximum Solar Concentrator Efficiency

Featured Opportunity • Concentrating Solar Power (CSP) relies on thermodynamic processes to convert concentrated light into useful forms of energy. Accurate sun tracking enables higher concentration ratios and improved efficiency through higher temperature processes and lower losses. These tracking sensors utilize an improved approach to closed-loop feedback control and have demonstrated high accuracy...

Solar tracking system

Patent • #US9391557B2. Solar tracking systems, as well as methods of using such solar tracking systems, are disclosed. More particularly, embodiments of the solar tracking systems include lateral supports horizontally positioned between uprights to support photovoltaic modules. The lateral supports may be raised and lowered along the uprights or translated to cause...
Results 1501–1525 of 1,875