Patent • #US10054443B1. The various technologies presented herein relate to determining a location of an individual, or an object, when a GPS may be unavailable/occluded. Readings from a plurality of sensors on a mobile device can be generating a plurality of data (e.g., speed, motion, temperature, biometric, etc.) which can be combined...
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Large Field of View, 3D X-ray Phase Contrast Imaging System
Featured Opportunity • A high-sensitivity X-ray Phase Contrast Imaging system for non-destructive 2D radiography and 3D tomography of low-density composite materials Sandia National Laboratories has developed a high-sensitivity X-ray Phase Contrast Imaging (XPCI) system that provides a method for non-destructive 2D digital radiography and 3D tomography of low-density composite materials. Non-destructive evaluation and...
Large mass MEMS resonant beam accelerometer
Patent • #US12379391B1. A resonant beam accelerometer employing a pair of double ended tuning forks and a proof mass having meso-scale mass as it is formed in the handle layer of a SOI wafer and a method of fabricating same is disclosed. The resonant frequencies of the pair of double ended tuning...
Large programmable delay at high frequency through aliasing
Patent • #US12476624B1. A programmable alias delay device providing output in a desired frequency band and a maximum delay of >5 ns over a broad bandwidth and at a high frequency is disclosed. The device includes an input bandpass filter and an input stage with M sampling switched capacitor elements, reducing the...
Laser Absorptivity Measuring Device
Featured Opportunity • A compact, high-throughput diagnostic tool for characterizing laser-based processes Characterizing the laser absorptivity and efficiency compensation of laser-based processes can provide useful avenues for defect characterization and mitigation; however, laser-metal interactions during welding and metal additive manufacturing are notoriously complex. Existing techniques for measuring laser absorption efficiency rely on reflective...
Laser remote sensing of backscattered light from a target sample
Patent • #US7336351B1. A laser remote sensing apparatus comprises a laser to provide collimated excitation light at a wavelength; a sensing optic, comprising at least one optical element having a front receiving surface to focus the received excitation light onto a back surface comprising a target sample and wherein the target sample...
Laser warning receiver to identify the wavelength and angle of arrival of incident laser light
Patent • #US7683310B1. A laser warning receiver is disclosed which has up to hundreds of individual optical channels each optically oriented to receive laser light from a different angle of arrival. Each optical channel has an optical wedge to define the angle of arrival, and a lens to focus the laser light...
Laser-based irradiation apparatus and method to measure the functional dose-rate response of semiconductor devices
Patent • #US7375332B1. A broad-beam laser irradiation apparatus can measure the parametric or functional response of a semiconductor device to exposure to dose-rate equivalent infrared laser light. Comparisons of dose-rate response from before, during, and after accelerated aging of a device, or from periodic sampling of devices from fielded operational systems can...
Latching Micro Optical Switch
Featured Opportunity • Sandia National Laboratories has developed a latching switch for optical fibers. One or more fibers are moved by an actuator between two positions, off and on. In the off position, two fiber ends are not aligned and light does not pass from the first fiber to the second. In the...
Latching micro optical switch
Patent • #US8447148B1. An optical switch reliably maintains its on or off state even when subjected to environments where the switch is bumped or otherwise moved. In addition, the optical switch maintains its on or off state indefinitely without requiring external power. External power is used only to transition the switch from...
Lateral acoustic wave resonator comprising a suspended membrane of low damping resonator material
Patent • #US8525619B1. A very high-Q, low insertion loss resonator can be achieved by storing many overtone cycles of a lateral acoustic wave (i.e., Lamb wave) in a lithographically defined suspended membrane comprising a low damping resonator material, such as silicon carbide. The high-Q resonator can sets up a Fabry-Perot cavity in...
Lateral conduction infrared photodetector
Patent • #US8022390B1. A photodetector for detecting infrared light in a wavelength range of 3-25 μm is disclosed. The photodetector has a mesa structure formed from semiconductor layers which include a type-II superlattice formed of alternating layers of InAs and InxGa1-xSb with 0≰x≰0.5. Impurity doped regions are formed on sidewalls of the...
Lateral electrodeposition of compositionally modulated metal layers
Patent • #US8679860B1. A method for making a laterally modulated metallic structure that is compositionally modulated in the lateral direction with respect to a substrate.
Lateral vias for connections to buried microconductors
Patent • #US9972565B1. The present invention relates to a lateral via to provide an electrical connection to a buried conductor. In one instance, the buried conductor is a through via that extends along a first dimension, and the lateral via extends along a second dimension that is generally orthogonal to the first...
Lateral vias for connections to buried microconductors and methods thereof
Patent • #US10262931B2. The present invention relates to a lateral via to provide an electrical connection to a buried conductor. In one instance, the buried conductor is a through via that extends along a first dimension, and the lateral via extends along a second dimension that is generally orthogonal to the first...
Laterally injected light-emitting diode and laser diode
Patent • #US9059356B1. A p-type superlattice is used to laterally inject holes into an III-nitride multiple quantum well active layer, enabling efficient light extraction from the active area. Laterally-injected light-emitting diodes and laser diodes can enable brighter, more efficient devices that impact a wide range of wavelengths and applications. For UV wavelengths,...
Licensing and Tech Transfer
Page • Recently Granted Patents Browse Sandia's recently granted patents available for licensing and commercialization. Green Decon Foam Sandia's new formula is gentler on surfaces as it neutralizes contaminants, leaving less residue. Also simpler to transport. Materials Data Driven Design (MAD3) Predict the directional behavior of metals for automotive, aerospace, and manufacturing...
Licensing and Tech Transfer (broken)
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Licensing Overview
Page • Licensing Sandia Innovations Sandia has more than 1,800 patents and nearly 500 commercially available copyrights Sandia National Laboratories is mandated by the Department of Energy to move its technology to the marketplace for the benefit of the U.S. economy. Given the Labs' national security focus, government is the primary customer...
Light Detecting and Ranging (LIDAR) for in-situ heliostat optical error assessment
Patent • #US11921215B1. A system and method for optical assessment of a heliostat includes obtaining a point cloud data representing an image of the heliostat; isolating the data; filtering and fitting the filtered heliostat data to a bounding box; translating the heliostat data to a plane to aid in segmentation; segmenting a...
Light Emitting Diodes (LEDs)
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Light Sources
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Light-pulse atom interferometric device
Patent • #US9291508B1. An atomic interferometric device useful, e.g., for measuring acceleration or rotation is provided. The device comprises at least one vapor cell containing a Raman-active chemical species, an optical system, and at least one detector. The optical system is conformed to implement a Raman pulse interferometer in which Raman transitions...
Lignin nanoparticle synthesis
Patent • #US9102801B1. A method including reducing a particle size of lignin particles to an average particle size less than 40 nanometers; after reducing the particle size, combining the lignin particles with a polymeric material; and forming a structure of the combination. A method including exposing lignin to a diazonium precursor including...
Linear peptides that mimic structural epitopes for antibody assays
Patent • #US10267788B1. A method including identifying one or more structures in adjacent sequences of one or more proteins that can be mimicked by a peptide; and assembling a peptide that mimics the one or more secondary structures. A method including assembling epitopes of linked pairs of discontiguous peptide subsequences that mimic...
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