Patent • #US9645227B1. The various technologies presented herein relate to incorporating one or more notches into a radar spectrum, whereby the notches relate to one or more frequencies for which no radar transmission is to occur. An instantaneous frequency is monitored and if the frequency is determined to be of a restricted...
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Waveform warping for general frequency-modulated radar waveforms
Patent • #US10473755B1. Various technologies pertaining to motion compensation for radar systems using FM waveforms are described herein. A waveform generator outputs a parametrized, pulsed FM waveform to a radar antenna, whereupon the radar antenna emits pulsed electromagnetic (EM) radiation into a target area based upon the parametrized FM waveform. The parametrized...
Waveguide device and method for making same
Patent • #US7256667B1. A monolithic micromachined waveguide device or devices with low-loss, high-power handling, and near-optical frequency ranges is set forth. The waveguide and integrated devices are capable of transmitting near-optical frequencies due to optical-quality sidewall roughness. The device or devices are fabricated in parallel, may be mass produced using a LIGA...
Waveguide module comprising a first plate with a waveguide channel and a second plate with a raised portion in which a sealing layer is forced into the waveguide channel by the raised portion
Patent • #US9947981B1. The various technologies presented herein relate to utilizing a sealing layer of malleable material to seal gaps, etc., at a joint between edges of a waveguide channel formed in a first plate and a surface of a clamping plate. A compression pad is included in the surface of the...
Wavelength-doubling optical parametric oscillator
Patent • #US7248397B1. A wavelength-doubling optical parametric oscillator (OPO) comprising a type II nonlinear optical medium for generating a pair of degenerate waves at twice a pump wavelength and a plurality of mirrors for rotating the polarization of one wave by 90 degrees to produce a wavelength-doubled beam with an increased output...
Weak-Link Capacitor
Featured Opportunity • Safety is often a major concern in high voltage electronics and energy applications containing capacitors. In the event of a fire or overheating, disabling the capacitor becomes extremely important in order to minimize damage from occurring to both the rest of the system and nearby personnel. Sandia has developed a...
Weak-link capacitor
Patent • #US8426321B1. A process for making a dielectric material where a precursor polymer selected from poly(phenylene vinylene)polyacetylene, poly(p-phenylene), poly(thienylene vinylene), poly(1,4-naphthylene vinylene), and poly(p-pyridine vinylene) is energized said by exposure by radiation or increase in temperature to a level sufficient to eliminate said leaving groups contained within the precursor polymer, thereby...
Weak-link capacitor
Patent • #US7955945B1. A process for making a dielectric material where a precursor polymer selected from poly(phenylene vinylene) polyacetylene, poly(p-phenylene), poly(thienylene vinylene), poly(1,4-naphthylene vinylene), and poly(p-pyridine vinylene) is energized said by exposure by radiation or increase in temperature to a level sufficient to eliminate said leaving groups contained within the precursor polymer,...
Wear-Resistant Platinum Gold Alloy
Featured Opportunity • From cell phones to satellites, industry spends millions on traditional gold alloy electrical contact coatings While gold and other metal alloys have been an industry standard to protect metal components from wear due to metal on metal contact, they still experience deterioration over time. Using a novel synthesis approach, Sandia...
Wheeled hopping robot
Patent • #US7775305B1. The present invention provides robotic vehicles having wheeled and hopping mobilities that are capable of traversing (e.g. by hopping over) obstacles that are large in size relative to the robot and, are capable of operation in unpredictable terrain over long range. The present invention further provides combustion powered linear...
Wideband unbalanced waveguide power dividers and combiners
Patent • #US9343795B1. The various technologies presented herein relate to waveguide dividers and waveguide combiners for application in radar systems, wireless communications, etc. Waveguide dividers-combiners can be manufactured in accordance with custom dimensions, as well as in accordance with waveguide standards such that the input and output ports are of a defined...
Wind turbine blades, wind turbines, and wind farms having increased power output
Patent • #US10400743B1. A wind turbine blade having a geometry that decreases the distance downstream at which freestream momentum is recovered is disclosed. The blade design increases the loading on the inboard portion of the blade and unloads the tip portion relative to a conventional blade designed to maximize power coefficient. A...
Wind turbine management system for controlled energy storage
Patent • #US12372057B1. A system and method of managing a wind turbine, by receiving one or more characteristics from a first grid node from one or more grid sensors at a first time and receiving one or more characteristics from a second grid node from one or more grid sensors at a...
Wind turbine power phase control with DC collection bus for onshore/offshore windfarms
Patent • #US12051906B2. A DC bus collection system for a wind farm reduces the overall required number of converters and minimizes the energy storage system requirements. The DC bus collection system implements a power phasing control method between wind turbines that filters the variations and improves power quality. The phasing control method...
Window-based method for approximating the Hausdorff in three-dimensional range imagery
Patent • #US7542624B1. One approach to pattern recognition is to use a template from a database of objects and match it to a probe image containing the unknown. Accordingly, the Hausdorff distance can be used to measure the similarity of two sets of points. In particular, the Hausdorff can measure the goodness...
Wire Rivet
Featured Opportunity • An easy-to-install wire rivet for making electrical connections to multiple substrates in less time with fewer parts There is a need to provide a simple and quick electrical connection to one or many conductive substrates that does not require abrasion of the substrate surface or a complicated assembly process requiring...
Wire rivet
Patent • #US11585363B1. A rivet assembly for securing a wire in electrical communication with a substrate having a hollow cylindrical body with a first opening at a proximal end and a second opening at a distal end. The rivet assembly further includes a wire with a portion in electrical communication with the...
Wireless passive radiation sensor
Patent • #US8596862B1. A novel measurement technique is employed using surface acoustic wave (SAW) devices, passive RF, and radiation-sensitive films to provide a wireless passive radiation sensor that requires no batteries, outside wiring, or regular maintenance. The sensor is small (<1 cm2), physically robust, and will operate unattended for decades. In addition,...
Wireless Passive Radiation Sensor
Featured Opportunity • Existing small radiation detectors do not produce an immediate real-time warning of radiation doses because the detectors need to be sent to a lab for readout, which can require days or weeks to complete. Other detectors are fragile, need human interpretation of colors, cost hundreds of dollars each or are...
Wireless passive temperature sensor
Patent • #US8240911B1. A wireless passive temperature sensor comprising a surface acoustic wave (SAW) delay line is constructed on a piezoelectric substrate having a thermal coefficient of frequency. An array of addressable, wireless passive temperature sensors can be used to monitor an array of temperature points on a structure using a wireless...
X-ray digital image correlation
Patent • #US12299915B2. A method of X-ray digital image correlation is provided. The method comprises aligning cameras of an X-ray imaging system, wherein the X-ray imaging system comprises two X-ray sources pointed at a target area at a stereo angle and two corresponding X-ray detectors behind the target area. The X-ray imaging...
Xyce
Software • Xyce - Originally developed in support of the electrical designers at Sandia National Laboratories, Xyce has become a large part of the design and analytical process of circuit simulations. As a parallel code, it not only allows the simulations of circuits of unprecedented size, but has addressed possible solutions to...
Zero-Power Radio Receiver
Featured Opportunity • Sandia has developed a miniature, zero-power radio receiver that can be easily integrated in a wide range of devices to provide continuous wireless connectivity. The underlying principle behind the Zero-Power Receiver is that the powered radio frequency electronics that are used in most wireless receivers can be replaced with electronics...
Zero-power receiver
Patent • #US9460321B1. An unpowered signal receiver and a method for signal reception detects and responds to very weak signals using pyroelectric devices as impedance transformers and/or demodulators. In some embodiments, surface acoustic wave devices (SAW) are also used. Illustrative embodiments include satellite and long distance terrestrial communications applications.
ZnO buffer layer for metal films on silicon substrates
Patent • #US8835023B1. Dramatic improvements in metallization integrity and electroceramic thin film performance can be achieved by the use of the ZnO buffer layer to minimize interfacial energy between metallization and adhesion layers. In particular, the invention provides a substrate metallization method utilizing a ZnO adhesion layer that has a high work...
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