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Results 826–850 of 1,875

Metal-loaded plastic scintillators for gamma-ray spectroscopy

Patent • #US10024983B1. Exemplary embodiments of several new metal-loaded plastic scintillators are reported herein, comprising sterically and electronically isolated organotin additive complexes. Distance-dependent quenching relationships have been used as design criteria for the selection and synthesis of these organometallic additives, resulting in increased light yields and improved gamma-ray energy resolution values relative...

Metal-organic framework catalysts for selective cleavage of aryl-ether bonds

Patent • #US9718748B1. The present invention relates to methods of employing a metal-organic framework (MOF) as a catalyst for cleaving chemical bonds. In particular instances, the MOF results in selective bond cleavage that results in hydrogenolyzis. Furthermore, the MOF catalyst can be reused in multiple cycles. Such MOF-based catalysts can be useful,...

Metal-organic framework electrodes for sodium ion batteries

Patent • #US10320028B2. A sodium ion battery comprises a cathode having a porous redox active metal-organic framework material. The battery can be an organic electrolyte sodium ion battery wherein the electrolyte comprises a sodium salt dissolved in an organic solvent or mixture of organic solvents. Alternatively, the battery can comprise an aqueous...

Metal-organic framework electrodes for sodium ion batteries

Patent • #US10497971B2. A sodium ion battery comprises a cathode having a porous redox active metal-organic framework material. The battery can be an organic electrolyte sodium ion battery wherein the electrolyte comprises a sodium salt dissolved in an organic solvent or mixture of organic solvents. Alternatively, the battery can comprise an aqueous...

Metal-organic frameworks for adsorption and separation of noble gases

Patent • #US9662632B1. A method including exposing a gas mixture comprising a noble gas to a metal organic framework (MOF), including an organic electron donor and an adsorbent bed operable to adsorb a noble gas from a mixture of gases, the adsorbent bed including a metal organic framework (MOF) including an organic...

Metal-Organic Frameworks for the Separation of O2 from Air

Featured Opportunity • Mesoporous cages in MOF for O2 Pure molecular oxygen is important to many industrial processes such as oxy-fuel combustion, steel production, on-board oxygen generation in military aircraft and medical oxygen concentrators. Industrial-scale oxygen separation is conventionally carried out by cryogenic air separation. Cryogenic air separation produces high quality O2 (99%...

Metallic nanoshells on porphyrin-stabilized emulsions

Patent • #US8568508B1. Metal nanostructures formed by photocatalytic interfacial synthesis using a porphyrin-stabilized emulsion template and the method for making the nanostructures. Catalyst-seeded emulsion droplets are employed as templates for hollow-nanoshell growth. The hollow metal nanospheres may be formed with or without inclusions of other materials.

Method and apparatus for controlling communication system capacity

Patent • #US6034971A_. Forward link communication capacity of a communication system, which is providing from a base station to a number of mobile stations a number of forward communication links corresponding to the plurality of mobile stations, is controlled by receiving gain setting associated with at least one of the forward communication...

Method and apparatus for creating a topography at a surface

Patent • #US7449699B1. Methods and apparatus whereby an optical interferometer is utilized to monitor and provide feedback control to an integrated energetic particle column, to create desired topographies, including the depth, shape and/or roughness of features, at a surface of a specimen. Energetic particle columns can direct energetic species including, ions, photons...

Method and apparatus for detecting an analyte

Patent • #US8065904B1. We describe the use of coordination polymers (CP) as coatings on microcantilevers for the detection of chemical analytes. CP exhibit changes in unit cell parameters upon adsorption of analytes, which will induce a stress in a static microcantilever upon which a CP layer is deposited. We also describe fabrication...

Method and apparatus for disrupting components of explosive devices

Patent • #US8245430B1. A system, a firing apparatus and method for disrupting at least one electrical component of an explosive device are provided. The system has an electrical cartridge, the firing apparatus and an initiator. The electrical cartridge has a projectile at an end thereof deployable into the electrical component(s). The firing...

Method and apparatus for managing access to a memory

Patent • #US9720851B2. A method and apparatus for managing access to a memory of a computing system. A controller transforms a plurality of operations that represent a computing job into an operational memory layout that reduces a size of a selected portion of the memory that needs to be accessed to perform...

Method and apparatus of enhanced thermoelectric cooling and power conversion

Patent • #US10072879B1. Methods and apparatus for removing heat from an object for the purpose of cooling or for the purpose of generating electrical power are disclosed. In an embodiment, at least two field-effect transistors (FETs) are operated under inversion. While the FETs are being operated, heat is conducted from the object...

Method and system for authentication of electronic communications

Patent • #US7917757B2. A method and system to authenticate electronic communications, such as email. A trusted third party records information of each of sender's communications, such as date, time and recipients. Recipients are allowed to verify if their incoming messages match the data of their senders' outgoing communications. Mismatches can be used...

Method and system for gas flow mitigation of molecular contamination of optics

Patent • #US9874512B2. A computer-implemented method for determining an optimized purge gas flow in a semi-conductor inspection metrology or lithography apparatus, comprising receiving a permissible contaminant mole fraction, a contaminant outgassing flow rate associated with a contaminant, a contaminant mass diffusivity, an outgassing surface length, a pressure, a temperature, a channel height,...

Method and system for multi-pass laser-induced incandescence

Patent • #US10067049B1. Various technologies for measurement of properties of a particulate suspended in a gas phase via laser-induced incandescence (LII) are described herein. A beam of light can be emitted into a multi-pass optical cell using a laser. The multi-pass optical cell comprises a system of one or more mirrors that...

Method and system for rendering and interacting with an adaptable computing environment

Patent • #US8201099B1. An adaptable computing environment is implemented with software entities termed “s-machines”, which self-assemble into hierarchical data structures capable of rendering and interacting with the computing environment. A hierarchical data structure includes a first hierarchical s-machine bound to a second hierarchical s-machine. The first hierarchical s-machine is associated with a...

Method and system for training an artificial neural network utilizing physics based knowledge

Patent • #US12229934B1. A method for training an artificial neural network including classifiers for material characterization. The method includes obtaining functional data having phase and amplitude, registering functional data by phase-amplitude separation and statistical analysis on the phase-amplitude separated data with an elastic distance to produce aligned functional data, performing dimensional reduction...

Method for attaching nanomaterials comprising hexagonal lattices to polymer surfaces

Patent • #US11566088B1. The invention is directed to a method for attaching nanomaterials containing hexagonal lattices to polymer surfaces. For example, carbon nanotubes (CNTs) can be attached to polycarbonate, polyethylene, or epoxy surfaces by amination of the polymer surface, functionalization of the surfaces of CNTs with ester groups, and reacting the aminated...
Results 826–850 of 1,875