Patent • #9,989,447. The present invention relates to methods of transforming organic matter into organic-inorganic composites, inorganic replicas, or conductive replicas. Organic matter, such as biological cells and tissue and organs, can be converted into such composites and replicas using the methods described herein. In particular, such methods transform organic matter (into...
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Shaped fiber composites
Patent • #9,834,649. A composite article is disclosed that has non-circular fibers embedded in a polymer matrix. The composite article has improved damage tolerance, toughness, bending, and impact resistance compared to composites having traditional round fibers.
Shaping the spectrum of random-phase radar waveforms
Patent • #9,645,228. The various technologies presented herein relate to generation of a desired waveform profile in the form of a spectrum of apparently random noise (e.g., white noise or colored noise), but with precise spectral characteristics. Hence, a waveform profile that could be readily determined (e.g., by a spoofing system) is...
Shear horizontal surface acoustic wave (SH-SAW) resonators and arrays thereof
Patent • #10,261,078. The present application relates to a biosensor that employs an acoustic cavity to store mechanical energy. In particular examples, the biosensor includes an electrode region and one or more reflector regions to form the acoustic cavity, as well as a functionalized active area disposed in proximity to the cavity....
Short pulse neutron generator
Patent • #10,278,276. Short pulse neutron generators are described herein. In a general embodiment, the short pulse neutron generator includes a Blumlein structure. The Blumlein structure includes a first conductive plate, a second conductive plate, a third conductive plate, at least one of an inductor or a resistor, a switch, and a...
Short pulse neutron generator
Patent • #9,408,286. Short pulse neutron generators are described herein. In a general embodiment, the short pulse neutron generator includes a Blumlein structure. The Blumlein structure includes a first conductive plate, a second conductive plate, a third conductive plate, at least one of an inductor or a resistor, a switch, and a...
Side-emitting fiber optic position sensor
Patent • #7,329,857. A side-emitting fiber optic position sensor and method of determining an unknown position of an object by using the sensor. In one embodiment, a concentrated beam of light source illuminates the side of a side-emitting fiber optic at an unknown axial position along the fiber's length. Some of this...
Silica substrate or portion formed from oxidation of monocrystalline silicon
Patent • #6,592,835. A method is disclosed for forming an inclusion-free silica substrate using a monocrystalline silicon substrate as the starting material and oxidizing the silicon substrate to convert it entirely to silica. The oxidation process is performed from both major surfaces of the silicon substrate using a conventional high-pressure oxidation system....
Silicon force sensor
Patent • #9,383,270. The various technologies presented herein relate to a sensor for measurement of high forces and/or high load shock rate(s), whereby the sensor utilizes silicon as the sensing element. A plate of Si can have a thinned region formed therein on which can be formed a number of traces operating...
Silicon force sensor and method of using the same
Patent • #9,459,161. The various technologies presented herein relate to a sensor for measurement of high forces and/or high load shock rate(s), whereby the sensor utilizes silicon as the sensing element. A plate of Si can have a thinned region formed therein on which can be formed a number of traces operating...
Silicon micro-mold
Patent • #7,124,994. The present invention describes a method for rapidly fabricating a robust 3-dimensional silicon-mold for use in preparing complex metal micro-components. The process begins by depositing a conductive metal layer onto one surface of a silicon wafer. A thin photoresist and a standard lithographic mask are then used to transfer...
Silicon micro-mold and method for fabrication
Patent • #6,841,339. The present invention describes a method for rapidly fabricating a robust 3-dimensional silicon micro-mold for use in preparing complex metal micro-components. The process begins by depositing a conductive metal layer onto one surface of a silicon wafer. A thin photoresist and a standard lithographic mask are then used to...
Silicon nanowire device and method for its manufacture
Patent • #9,536,947. There is provided an electronic device and a method for its manufacture. The device comprises an elongate silicon nanowire less than 0.5 .mu.m in cross-sectional dimensions and having a hexagonal cross-sectional shape due to annealing-induced energy relaxation.
Silicon photonic heater-modulator
Patent • #9,081,215. Photonic modulators, methods of forming photonic modulators and methods of modulating an input optical signal are provided. A photonic modulator includes a disk resonator having a central axis extending along a thickness direction of the disk resonator. The disk resonator includes a modulator portion and a heater portion. The...
Silicon Photonics
Featured Opportunity • 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 applications. As integrated circuit chips now incorporate over a billion...
Silicon Photonics
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Silicon photonics thermal phase shifter with reduced temperature range
Patent • #8,610,994. Optical devices, phased array systems and methods of phase-shifting an input signal are provided. An optical device includes a microresonator and a waveguide for receiving an input optical signal. The waveguide includes a segment coupled to the microresonator with a coupling coefficient such that the waveguide is overcoupled to...
Silicon-Based Neutron Detector
Featured Opportunity • Sandia has expanded upon research into microstructured semiconductor neutron detectors and created a silicon-based device with greater sensitivity than the current state-of-the-art with adaptability for detection of general particles/radiation. Sandia’s neutron detector is designed with a plurality of vertical pores filled with neutron-sensitive converter material inside a single crystal silicon...
Silicotitanate molecular sieve and condensed phases
Patent • #6,482,380. A new microporous crystalline molecular sieve material having the formula Cs.sub.3 TiSi.sub.3 O.sub.95.cndot.3H.sub.2 O and its hydrothermally condensed phase, Cs.sub.2 TiSi.sub.6 O.sub.15, are disclosed. The microporous material can adsorb divalent ions of radionuclides or other industrial metals such as chromium, nickel, lead, copper, cobalt, zinc, cadmium, barium, and mercury,...
Silver braze alloy
Patent • #6596229. The present invention relates to a silver braze alloy having improved wetting properties. The silver braze alloy consists essentially of from about 52.25 wt % to about 57.0 wt % silver, from about 38.95 to about 43.0 wt % copper, from about 0.5 wt % to about 5.5 wt...
SILVER THICK FILM PASTE HERMETICALLY SEALED BY SURFACE THIN FILM MULTILAYER
Patent • #9,648,740.
Silver-hafnium braze alloy
Patent • #6,663,982. A binary allow braze composition has been prepared and used in a bonded article of ceramic-ceramic and ceramic-metal materials. The braze composition comprises greater than approximately 95 wt % silver, greater than approximately 2 wt % hafnium and less than approximately 4.1 wt % hafnium, and less than approximately...
Simulating current flow through a well casing and an induced fracture
Patent • #10,767,465. A system includes a receiver component that receives a model of a well system, the model comprising a representation of an electrically energized well casing and/or a fracture as a transmission line that leaks electric current as the current traverses the well casing and/or fracture. The receiver component also...
Simulation of human decision making
Patent • #7,370,023. A method for computer emulation of human decision making defines a plurality of concepts related to a domain and a plurality of situations related to the domain, where each situation is a combination of at least two of the concepts. Each concept and situation is represented in the computer...
Simultaneous sample manipulation and sensing using surface acoustic waves
Patent • #7,878,063. The present invention provides a hexagonal, delay line surface acoustic wave device fabricated on a a piezoelectric substrate, such as lithium tantalate, coated with an insulating waveguide on to which a sensing film, such as an anti-human Interleukin-6 biosensor film, is physically absorbed. The acoustic waves that propagate along...
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