Patent • #9,654,035. A motor control system for deployment in high temperature environments includes a controller; a first half-bridge circuit that includes a first high-side switching element and a first low-side switching element; a second half-bridge circuit that includes a second high-side switching element and a second low-side switching element; and a...
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High-temperature, adhesive-based microvalves and uses thereof
Patent • #9,995,411. The present invention relates to adhesive-based microvalves, as well as assemblies and cartridges having such microvalves. In particular examples, substantially planar layers of adhesive materials are used to construct both normally-open and normally-closed microvalves for fluid control within microfluidic laminate cartridges. Such microvalves and cartridges can be useful for...
High-temperature, adhesive-based microvalves and uses thereof
Patent • #9,995,411. The present invention relates to adhesive-based microvalves, as well as assemblies and cartridges having such microvalves. In particular examples, substantially planar layers of adhesive materials are used to construct both normally-open and normally-closed microvalves for fluid control within microfluidic laminate cartridges. Such microvalves and cartridges can be useful for...
High-voltage, high-current, solid-state closing switch
Patent • #9,742,394. A high-voltage, high-current, solid-state closing switch uses a field-effect transistor (e.g., a MOSFET) to trigger a high-voltage stack of thyristors. The switch can have a high hold-off voltage, high current carrying capacity, and high time-rate-of-change of current, di/dt. The fast closing switch can be used in pulsed power applications.
High-voltage, low-inductance gas switch
Patent • #9,294,085. A low-inductance, air-insulated gas switch uses a de-enhanced annular trigger ring disposed between two opposing high voltage electrodes. The switch is DC chargeable to 200 kilovolts or more, triggerable, has low jitter (5 ns or less), has pre-fire and no-fire rates of no more than one in 10,000 shots,...
High-yield entangled single photon source
Patent • #9,465,274. The various technologies presented herein relate to utilizing photons at respective idler and signal frequencies to facilitate generation of photons at a pump frequency. A strong pump field can be applied at the .omega..sub.i and the .omega..sub.s frequencies, with the generated idler and signal pulses being utilized to generate...
High-yield synthesis of brookite TiO.sub.2 nanoparticles
Patent • #7,943,116. A method for forming non-agglomerated brookite TiO.sub.2 nanoparticles without the use of expensive organic surfactants or high temperature processing. Embodiments of this invention use titanium isopropoxide as the titanium precursor and isopropanol as both the solvent and ligand for ligand-stabilized brookite-phase titania. Isopropanol molecules serve as the ligands interacting...
Highly aligned vertical GaN nanowires using submonolayer metal catalysts
Patent • #7,745,315. A method for forming vertically oriented, crystallographically aligned nanowires (nanocolumns) using monolayer or submonolayer quantities of metal atoms to form uniformly sized metal islands that serve as catalysts for MOCVD growth of Group III nitride nanowires.
Highly concentrated foam formulation for blast mitigation
Patent • #7,850,865. A highly concentrated foam formulation for blast suppression and dispersion mitigation for use in responding to a terrorism incident involving a radiological dispersion device. The foam formulation is more concentrated and more stable than the current blast suppression foam (AFC-380), which reduces the logistics burden on the user.
Highly Conductive, High Resolution Printed Electrical Traces and Components
Featured Opportunity • A two-step additive manufacturing approach for forming highly conductive, high-resolution electrical traces and components with properties suited for flexible and hybrid electronics Electrical traces and conductive components are essential features of electronic devices, power electronics, and printed circuit boards. Specific characteristics such as trace width and thickness can greatly influence...
Highly directional thermal emitter
Patent • #8,987,754. A highly directional thermal emitter device comprises a two-dimensional periodic array of heavily doped semiconductor structures on a surface of a substrate. The array provides a highly directional thermal emission at a peak wavelength between 3 and 15 microns when the array is heated. For example, highly doped silicon...
HOMOGRAPHY GENERATION FOR IMAGE REGISTRATION IN INLIER-POOR DOMAINS
Patent • #11,557,019.
Horizontally Polarized Dual-band GPS Antenna
Featured Opportunity • A mechanically robust, horizontally polarized dual-band GPS antenna with improved performance in cluttered signal environments Antennas are ubiquitous in devices and systems used by consumers, industry, and government. Often, these systems employ multiple antennas which can result in undesired interference that reduces the effectiveness of sensitive GPS systems. A need...
Human-machine interactions
Patent • #7,526,465. Digital technology utilizing a cognitive model based on human naturalistic decision-making processes, including pattern recognition and episodic memory, can reduce the dependency of human-machine interactions on the abilities of a human user and can enable a machine to more closely emulate human-like responses. Such a cognitive model can enable...
Hybrid CMOS-MEMS devices adapted for high-temperature operation and method for their manufacture
Patent • #10,214,415. A silicon carbide based MOS integrated circuit is monolithically integrated with a suspended piezoelectric aluminum nitride member to form a high-temperature-capable hybrid MEMS-over-MOS structure. In the integrated structure, a post-MOS passivation layer of silicon carbide is deposited over the MOS passivation and overlain by a structural layer of the...
Hybrid inertial navigation system and method
Patent • #12038285. A hybrid inertial navigation system and method are provided. The system includes a conventional inertial measurement unit (with a three-axis accelerometer and a three-axis gyroscope operating at a high data rate and low sensitivity), light pulse atom interferometer accelerometer and gyroscope (operating at a low data rate and high...
Hybrid membrane–PSA system for separating oxygen from air
Patent • #7,875,101. A portable, non-cryogenic, oxygen generation system capable of delivering oxygen gas at purities greater than 98% and flow rates of 15 L/min or more is described. The system consists of two major components. The first component is a high efficiency membrane capable of separating argon and a portion of...
Hybrid metal organic scintillator materials system and particle detector
Patent • #7985868. We describe the preparation and characterization of two zinc hybrid luminescent structures based on the flexible and emissive linker molecule, trans-(4-R,4'-R') stilbene, where R and R' are mono-or poly-coordinating groups, which retain their luminescence within these solid materials. For example, reaction of trans-4,4'-stilbenedicarboxylic acid and zinc nitrate in the...
Hybrid metal organic scintillator materials system and particle detector
Patent • #7,985,868. We describe the preparation and characterization of two zinc hybrid luminescent structures based on the flexible and emissive linker molecule, trans-(4-R,4'-R') stilbene, where R and R' are mono- or poly-coordinating groups, which retain their luminescence within these solid materials. For example, reaction of trans-4,4'-stilbenedicarboxylic acid and zinc nitrate in...
Hybrid metal oxide cycle water splitting
Patent • #9,556,528. Hybrid thermochemical water splitting systems are disclosed that thermally reduces metal oxides particles to displace some but not all of the electrical requirements in a water splitting electrolytic cell. In these hybrid systems, the thermal reduction temperature is significantly reduced compared to two-step metal-oxide thermochemical cycles in which only...
Hybrid metal oxide cycle water splitting
Patent • #9,279,188. Hybrid thermochemical water splitting cycles are provided in which thermally reduced metal oxides particles are used to displace some but not all of the electrical requirements in a water splitting electrolytic cell. In these hybrid cycles, the thermal reduction temperature is significantly reduced compared to two-step metal-oxide thermochemical cycles...
Hybrid Microsystems
Portfolio •
HYBRID PIEZOELECTRIC MICRORESONATOR
Patent • #11,387,802.
Hybrid scintillators for neutron discrimination
Patent • #9,029,807. A composition capable of producing a unique scintillation response to neutrons and gamma rays, comprising (i) at least one surfactant; (ii) a polar hydrogen-bonding solvent; and (iii) at least one luminophore. A method including combining at least one surfactant, a polar hydrogen-bonding solvent and at least one luminophore in...
Hybrid Scintillators for Neutron Discrimination
Featured Opportunity • Sandia National Laboratories has developed a class of hybrid liquid or gel scintillators for the efficient detection of neutron radiation from nuclear threat materials. Scintillators have proven very useful in the differentiation of the unique radiation emitted by ionizing particles. When electrons and ions recombine in a luminescent material such...
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