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Photonics & Lasers
Technology Area • The Photonics & Lasers technology area contains advanced solutions ranging from high energy laser systems to photonic microsystems. Sandia technologies in photonic sources have been licensed for defense, semiconductor chip manufacturing, thermal imaging, and consumer electronics.    This technology area contains specialized portfolios related to:  Imaging SystemsLight Emitting Diodes (LEDs) Infrared (IR) Sources...

Photosensitive dissolution inhibitors and resists based on onium salt carboxylates
Patent • #6,969,576. A photoresist composition that employs onium salt carboxylates as thermally stable dissolution inhibitors. The photoresist composition can be either an onium carboxylate salt with a phenolic photoresist, such as novolac, or an onium cation protected carboxylate-containing resin such as an acrylic/acrylic acid copolymer. The onium carboxylate can be an...

Photovoltaic cell with light trapping for enhanced efficiency
Patent • #9,190,542. The efficiency of a photovoltaic cell is enhanced by light trapping using Mie-scattering nanostructures. In one embodiment, an array of nanocylinders is formed on the front surface of a silicon film to enhance forward scattering into the film, and an array of nanocylinders is formed on the back surface...

Photovoltaic power generation system free of bypass diodes
Patent • #9,093,586. A photovoltaic power generation system that includes a solar panel that is free of bypass diodes is described herein. The solar panel includes a plurality of photovoltaic sub-modules, wherein at least two of photovoltaic sub-modules in the plurality of photovoltaic sub-modules are electrically connected in parallel. A photovoltaic sub-module...

PHOTOVOLTAIC POWER GENERATION SYSTEM FREE OF BYPASS DIODES
Patent • #6,010,694. A photovoltaic power generation system that includes a solar panel that is free of bypass diodes is described herein. The solar panel includes a plurality of photovoltaic sub-modules, wherein at least two of photovoltaic sub-modules in the plurality of photovoltaic sub-modules are electrically connected in parallel. A photovoltaic sub-module...

Photovoltaic power generation system with photovoltaic cells as bypass diodes
Patent • #9,831,369. A photovoltaic power generation system that includes a solar panel is described herein. The solar panel includes a photovoltaic sub-module, which includes a group of microsystem enabled photovoltaic cells. The group includes a first string of photovoltaic cells, a second string of photovoltaic cells, and a differing photovoltaic cell....

Photovoltaic Prognostics
Featured Opportunity • Photovoltaic (PV) System Monitoring Overview Residential, commercial, and utility-scale photovoltaic (“PV”) solar systems are being rapidly deployed in the United States. With the recent passage of the Inflation Reduction Act, demand for PV systems is only expected to increase. Larger-scale PV systems operate akin to a small power generator. During...

Photovoltaic solar cell
Patent • #8,592,249. A photovoltaic solar cell for generating electricity from sunlight is disclosed. The photovoltaic solar cell comprises a plurality of spaced-apart point contact junctions formed in a semiconductor body to receive the sunlight and generate the electricity therefrom, the plurality of spaced-apart point contact junctions having a first plurality of...

Photovoltaic solar cell
Patent • #8,728,857. A photovoltaic solar cell for generating electricity from sunlight is disclosed. The photovoltaic solar cell comprises a plurality of spaced-apart point contact junctions formed in a semiconductor body to receive the sunlight and generate the electricity therefrom, the plurality of spaced-apart point contact junctions having a first plurality of...

Photovoltaic solar cell
Patent • #9,130,092. A photovoltaic solar concentrator is disclosed with one or more transverse-junction solar cells (also termed point contact solar cells) and a lens located above each solar cell to concentrate sunlight onto the solar cell to generate electricity. Piezoelectric actuators tilt or translate each lens to track the sun using...

Photovoltaic solar concentrator
Patent • #9,126,392. A process including forming a photovoltaic solar cell on a substrate, the photovoltaic solar cell comprising an anchor positioned between the photovoltaic solar cell and the substrate to suspend the photovoltaic solar cell from the substrate. A surface of the photovoltaic solar cell opposite the substrate is attached to...

Photovoltaic solar concentrator
Patent • #9,287,430. A photovoltaic solar concentrator is disclosed with one or more transverse-junction solar cells (also termed point contact solar cells) and a lens located above each solar cell to concentrate sunlight onto the solar cell to generate electricity. Piezoelectric actuators tilt or translate each lens to track the sun using...

Photovoltaic solar concentrator
Patent • #8,329,503. A photovoltaic solar concentrator is disclosed with one or more transverse-junction solar cells (also termed point contact solar cells) and a lens located above each solar cell to concentrate sunlight onto the solar cell to generate electricity. Piezoelectric actuators tilt or translate each lens to track the sun using...

Photovoltaic system
Patent • #8,736,108. A photovoltaic system described herein includes a first group of photovoltaic modules that comprises a first plurality of microsystem enabled photovoltaic modules. A second group of photovoltaic modules comprises a second plurality of microsystem enabled photovoltaic modules, wherein the first group of photovoltaic modules are electrically connected in parallel...

Physical context management for a motor vehicle
Patent • #7,610,130. Computer software for and a method of enhancing safety for an operator of a motor vehicle comprising employing a plurality of sensors of vehicle and operator conditions, matching collective output from the sensors against a plurality of known dangerous conditions, and preventing certain activity of the operator if a...

Piecewise uniform conduction-like flow channels and method therefor
Patent • #7,005,301. A low-dispersion methodology for designing microfabricated conduction channels for on-chip electrokinetic-based systems is presented. The technique relies on trigonometric relations that apply for ideal electrokinetic flows, allowing faceted channels to be designed on chips using common drafting software and a hand calculator. Flows are rotated and stretched along the...

Piezoelectric Deformable Photonic Devices
Featured Opportunity • A flexible optical platform for phase and amplitude modulation in silicon nitride photonic integrated circuits that offers low optical loss, visible wavelength operation, low power consumption, and performance in cryogenic operating temperatures. Sandia researchers have developed a flexible optical platform for phase and amplitude modulation in silicon nitride (Si3N4) photonic...

Piezoelectric energy harvester having planform-tapered interdigitated beams
Patent • #7,948,153. Embodiments of energy harvesters have a plurality of piezoelectric planform-tapered, interdigitated cantilevered beams anchored to a common frame. The plurality of beams can be arranged as two or more sets of beams with each set sharing a common sense mass affixed to their free ends. Each set thus defined...

Planar electrode arrays and fabrication methods thereof
Patent • #10,969,359. The present invention relates to a method of fabricating an electrode array, in which an underlying handle wafer is removed to provide a planar device having the electrode array. Also provided are wafers including a plurality of planar devices having an electrode array, as well as sensors including such...

Planar micromixer
Patent • #7,344,681. The present embodiment describes a laminar-mixing embodiment that utilizes simple, three-dimensional injection. Also described is the use of the embodiment in combination with wide and shallow sections of channel to affect rapid mixing in microanalytical systems. The shallow channel sections are constructed using all planar micromachining techniques, including those...

Planar-constructed spatial micro-stage
Patent • #6,675,671. A multiple degree of freedom platform assembly formed from a plurality of thin films on a substrate can, when activated, move out of the plane of the substrate without additional manufacturing steps. The platform is connected to the substrate by at least three linkages, each linkage being pivotally connected...

Plasma driven neutron/gamma generator
Patent • #8,971,473. An apparatus for the generation of neutron/gamma rays is described including a chamber which defines an ion source, said apparatus including an RF antenna positioned outside of or within the chamber. Positioned within the chamber is a target material. One or more sets of confining magnets are also provided...
Results 1676–1700 of 2,459