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Results 1351–1375 of 1,895

Quenching of Unincorporated Amplification Signal Reporters (QUASR)
Featured Opportunity • Sandia’s QUASR modification to LAMP helps satisfy the requirements for a simple, robust, and inexpensive point-of-care deployed diagnostic device Rapid changes in how the world must react to pandemics has led to an unprecedented effort to develop rapid, easy to interpret point-of-care tests that meet the World Health Organization (WHO)...

Radar & THz
Technology Area • The Radar & Terahertz (THz) technology area contains advances in detection and imaging using THz waves developed for security, biomedical, and communications applications. Sandia has been at the forefront of new radar breakthroughs for more than 30 years, including historic developments in Synthetic Aperture Radar (SAR).    This technology area...

Radar transmit bandwidth augmentation
Patent • #US12436251B1. Various technologies pertaining to forming a very high instantaneous bandwidth (IBW) radar signal based upon several radio frequency (RF) signals that have sub-bands of the frequency band of the radar signal are described herein. A radar system is configured to address local oscillator leakage across multiple transmit channels of...

Radar transmit bandwidth augmentation
Patent • #US12436252B2. Various technologies pertaining to forming a very high instantaneous bandwidth (IBW) radar signal based upon several radio frequency (RF) signals that have sub-bands of the frequency band of the radar signal are described herein. A radar system is configured to address local oscillator leakage across multiple transmit channels of...

Radar transmit bandwidth augmentation
Patent • #US12061249B1. Various technologies pertaining to forming a very high instantaneous bandwidth (IBW) radar signal based upon several radio frequency (RF) signals that have sub-bands of the frequency band of the radar signal are described herein. A radar system is configured to address local oscillator leakage across multiple transmit channels of...

Radar velocity determination using direction of arrival measurements
Patent • #US9846229B1. The various technologies presented herein relate to utilizing direction of arrival (DOA) data to determine various flight parameters for an aircraft A plurality of radar images (e.g., SAR images) can be analyzed to identify a plurality of pixels in the radar images relating to one or more ground targets....

Radial particle-based terrestrial thermocline for high temperature thermal storage
Patent • #US11549761B1. A system or method for thermal storage includes a recess or containment unit having a first storage layer and a second storage layer comprising a permeable filler material. An intermediate layer is disposed between the storage layers. A primary well traverses the layer in the recess. The primary well...

Radiation detector using a graphene amplifier layer
Patent • #US11287536B1. A radiation field is detected or imaged using one or more junction devices in which a two-dimensional conductor layer is capacitively coupled to a semiconductor absorber layer. In the junction devices, pixel-level amplification and read-out are accomplished through the photogating of the devices by absorption within the absorber layer...

Radiation-hardened transistor and integrated circuit
Patent • #US7298010B1. A composite transistor is disclosed for use in radiation hardening a CMOS IC formed on an SOI or bulk semiconductor substrate. The composite transistor has a circuit transistor and a blocking transistor connected in series with a common gate connection. A body terminal of the blocking transistor is connected...

Radioactive waste repository when contacted by water provides borates that absorb neutrons
Patent • #US11721448B1. A container holds radioactive material. A sub-criticality controller protects the radioactive material from reaching a criticality from contact with the water. The sub-criticality controller includes a metallic composition having at least one metal component and at least one borate component bonded to the at least one metal component. The...

Radioimaging for real-time tracking of high-voltage breakdown
Patent • #US11808800B2. An interferometric radioimager provides real-time, high-fidelity radioimaging of high voltage breakdown (HVB) both internal and external to electrical components at sub-nanosecond and sub-millimeter resolution and has an ability to resolve multiple/spatially-extensive HVB simultaneously. Therefore, radioimaging can be used to screen for early life weakness/failure and enable non-destructive screening of...

Rapid Automated Point-of-Care System (RapiDx)
Featured Opportunity • The Rapid, Automated Point-of-Care System (RapiDx) developed by Sandia National Laboratories is a portable diagnostic instrument. RapiDx quickly measures--with high sensitivity--disease and toxin biomarkers in human biological samples (e.g., blood, saliva, urine) so that patient ailments can be quickly diagnosed and treated. RapiDx is an ideal instrument for point-of-care diagnostics...

Rapid Electropulsing Method
Featured Opportunity • A rapid electropulsing method to reduce chemical microsegregation in metallic additively manufactured (AM) parts comparable to conventional heat-treatment techniques in a fraction of the processing time For many applications, the promise of rapid development and fabrication through the additive manufacture (AM) of ready-to-use, geometrically complex parts cannot be realized due...

Rapid synthesis of gallium alloys
Patent • #US10724120B2. The ability to generate complex gallium alloys using metal amides, Ga(NR2)3 and M(NR2)n, is easily accomplished by heating the two metal amides in predetermined ratios. The product can be isolated as GaxMy where x and y can vary.

Rapidly tunable, narrow-band infrared filter arrays
Patent • #US10393933B2. 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...
Results 1351–1375 of 1,895