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Results 1226–1250 of 1,895

PC board mount corrosion sensitive sensor
Patent • #US9291543B1. The present invention relates to surface mount structures including a capacitive element or a resistive element, where the element has a property that is responsive to an environmental condition. In particular examples, the structure can be optionally coupled to a printed circuit board. Other apparatuses, surface mountable structures, and...

PC Board Mountable Corrosion Sensors
Featured Opportunity • Sensors to identify and assess the pervasive and expensive problem of corrosion in applications ranging from construction to microelectronics. A line of corrosion sensors of various widths and thicknesses soldered to a PC board. Sandia’s micro sensors are designed and fabricated in the style of standard surface mount components (such...

Peptide inhibitors of CRISPR-Cas9
Patent • #US11999805B1. Specific and broad-spectrum inhibitory peptides to CRISPR Cas9 variants (SpyCas9, SauCas9, and CjeCas9) are disclosed. A method of making and using these peptides with therapeutic CRISPR Cas9 (to improve desired targeting) or against harmful CRISPR Cas9 components (already active in a patient) is also disclosed. The peptides combined with...

Petawatt pulsed-power accelerator
Patent • #US7679297B1. A petawatt pulsed-power accelerator can be driven by various types of electrical-pulse generators, including conventional Marx generators and linear-transformer drivers. The pulsed-power accelerator can be configured to drive an electrical load from one- or two-sides. Various types of loads can be driven; for example, the accelerator can be used...

pH Adjustment of Power Plant Cooling Water with Flue Gas/ Fly Ash
Featured Opportunity • Increased recycling of power plant cooling water calls for low-cost means of preventing the formation of calcium carbonate and silicate scale.Hardness (Ca and Mg) and silica are two of the primary water components that must be selectively precipitated or maintained in solution for intensive water recycling to be achieved.Sandia researchers...

PH adjustment of power plant cooling water with flue gas/fly ash
Patent • #US9140145B1. A system including a vessel including a heat source and a flue; a turbine; a condenser; a fluid conduit circuit disposed between the vessel, the turbine and the condenser; and a diverter coupled to the flue to direct a portion of an exhaust from the flue to contact with...

Phase difference of arrival geolocation
Patent • #US9651648B1. Geolocation is performed by receiving, at a plurality of non-earthbound platforms each moving in a known manner within a spatial coordinate system, a radio frequency (RF) signal transmitted from a transmitter at an unknown location on earth within the spatial coordinate system. For each of the platforms, a phase...

Phase-wrapping method for beam steering in optical phased arrays
Patent • #US11409183B1. A method and apparatus are provided for controlling the phase shifts produced in a binary corporate tree network of the kind, e.g., that can drive a phased array for steering an optical beam. The method employs a novel phase-wrapping technique in which an entire layer of the binary tree...

Phononic crystal devices
Patent • #US8094023B1. Phononic crystals that have the ability to modify and control the thermal black body phonon distribution and the phonon component of heat transport in a solid. In particular, the thermal conductivity and heat capacity can be modified by altering the phonon density of states in a phononic crystal. The...

Photocatalytic methods for preparation of electrocatalyst materials
Patent • #US8541146B2. The invention relates to methods of preparing metal particles on a support material, including platinum-containing nanoparticles on a carbon support. Such materials can be used as electrocatalysts, for example as improved electrocatalysts in polymer electrolyte membrane fuel cells (PEM-FCs).

Photocatalytic methods for preparation of electrocatalyst materials
Patent • #US8609573B2. The invention relates to methods of preparing metal particles on a support material, including platinum-containing nanoparticles on a carbon support. Such materials can be used as electrocatalysts, for example as improved electrocatalysts in proton exchange membrane fuel cells (PEM-FCs).

Photocatalytic methods for preparation of electrocatalyst materials
Patent • #US10186711B2. The invention relates to methods of preparing metal particles on a support material, including platinum-containing nanoparticles on a carbon support. Such materials can be used as electrocatalysts, for example as improved electrocatalysts in proton exchange membrane fuel cells (PEM-FCs).

Photoconductive metasurface-based ultrafast device
Patent • #US11749694B1. A theoretically perfectly absorbing photoconductive all-dielectric metasurface is provided. This metasurface can improve the efficiency and performance of ultrafast photoconductive switches and detectors. In an embodiment, the metasurface is incorporated in photoconductive THz switches or detectors. In embodiments, the metasurface is constituted by a network of gallium arsenide resonators....

Photoelectrochemically driven self-assembly method
Patent • #US9548411B2. Various technologies described herein pertain to assembling electronic devices into a microsystem. The electronic devices are disposed in a solution. Light can be applied to the electronic devices in the solution. The electronic devices can generate currents responsive to the light applied to the electronic devices in the solution,...

Photolithography of atomic layer resist
Patent • #US11424135B1. In a method of atomic precision advanced manufacturing (APAM), an atomic or molecular resist layer on a substrate surface is selectively depassivated by locally exciting the substrate surface with an optical beam effective to eject adsorbed atoms or molecules from the substrate surface. The substrate surface is further processed...

Photon detector configured to employ the Gunn effect and method of use
Patent • #US8981312B1. Embodiments disclosed herein relate to photon detectors configured to employ the Gunn effect for detecting high-energy photons (e.g., x-rays and gamma rays) and methods of use. In an embodiment, a photon detector for detecting high-energy photons is disclosed. The photon detector includes a p-i-n semiconductor diode having a p-type...

Photon energy conversion by near-zero permittivity nonlinear materials
Patent • #US9846348B2. Efficient harmonic light generation can be achieved with ultrathin films by coupling an incident pump wave to an epsilon-near-zero (ENZ) mode of the thin film. As an example, efficient third harmonic generation from an indium tin oxide nanofilm (λ/42 thick) on a glass substrate for a pump wavelength of...

Photonic integrated circuits for generating high-brightness squeezed light
Patent • #US11226502B1. A high-brightness squeezed light source includes a plurality of light squeezing elements and a photonic summing device. The light squeezing elements each output respective squeezed light responsive to receipt of unsqueezed light. The photonic summing device receives the squeezed light output by each of the light squeezing elements and...

Photonic Integrated Circuits/Si Photonics
Portfolio • Advanced optical components for next generation computing, communication, and sensing To support next generation computing, communication, and sensing needs, Sandia researchers have successfully developed a silicon photonics platform that leverages the semiconductor and nanotechnology capabilities of Sandia’s Microsystems and Engineering Sciences Applications (MESA) complex to create optical components for multiple...

Photonic-crystal-fiber-delivered laser-triggered high-voltage gas switch
Patent • #US10687412B1. A photonic-crystal-fiber-delivered laser-triggered high-voltage gas switch can deliver a peak irradiance of greater than 5.1×1011 W/cm2 to the AK gap for a laser having a wavelength of 1064 nm. The switch is capable of operating at pressures up to 2200 psi; voltages across the gap of greater than 200...

Photonic-powered cable assembly
Patent • #US8761560B1. A photonic-cable assembly includes a power source cable connector (“PSCC”) coupled to a power receive cable connector (“PRCC”) via a fiber cable. The PSCC electrically connects to a first electronic device and houses a photonic power source and an optical data transmitter. The fiber cable includes an optical transmit...
Results 1226–1250 of 1,895