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38results about How to "Enhanced nucleation" patented technology
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Perpendicular magnetic recording medium manufacturing method
InactiveUS20090191331A1Improve characteristicEnhance nucleationRecord information storageSpecial surfacesMagnetic layerMaterials science
[Object] To provide a manufacturing method that can easily enhance a reversed domain nucleation magnetic field of a magnetic recording layer in a perpendicular magnetic recording medium having, over a substrate, a soft magnetic layer, the magnetic recording layer having a granular structure, and a continuous layer having a high perpendicular magnetic anisotropy.[Solution] A perpendicular magnetic recording medium manufacturing method according to this invention is characterized by including a soft magnetic layer forming step of forming a soft magnetic layer over a substrate, a magnetic recording layer forming step of forming a magnetic recording layer having a granular structure as an upper layer of the soft magnetic layer, a continuous layer forming step of forming a continuous layer having a perpendicular magnetic anisotropy as an upper layer or a lower layer of the magnetic recording layer, and a heating step of heating a medium, obtained by forming the continuous layer in the continuous layer forming step, for improving a value of a reversed domain nucleation magnetic field.
Owner:WD MEDIA SINGAPORE PTE
Optical semiconductor device with multiple quantum well structure
InactiveUS7106090B2Improve quantum efficiencyEnhanced nucleationLaser detailsElectronic circuit testingQuantumNitride semiconductors
Owner:OSRAM OLED
Method of modifying polymeric material and use thereof
ActiveUS20040242794A1High strengthImprove adhesionOther chemical processesCarbon fibresPolyolefinFiber
A method of modifying a polymeric material whereby the polymeric material is modified to give a highly durable surface without decreasing its strength. Namely, a polymeric material is modified by the method comprising a combination of an impregnation step, an activation step, a step of grafting a monomer and a step of a treatment with a hydrophilic polymer. Thus, the hydrophilic nature, adhesiveness, and so forth of polymeric materials such as polyolefins can be improved without causing any decrease in the practical strength. The thus obtained polymeric materials are usable in articles with a need for high water absorptivity and high adhesiveness, for example, water-absorbing materials and water-retaining materials for medical, sanitary, cosmetic articles or supplies, agricultural materials, synthetic papers, filters and fiber products for clothes, for improving adhesiveness of composite materials and the like. Among all, these materials are particularly usable in dentition orthodontic appliances, writing implements and battery separators.
Owner:FIBERMARK GRESSNER
Method for Manufacturing Grain-Oriented Electrical Steel Sheets Having Excellent Magnetic Properties
ActiveUS20130306202A1High magnetic flux densityLow core lossFurnace typesHeat treatment furnacesSheet steelElectrical steel
Provided is a method for manufacturing a grain-oriented electrical steel sheet, the method comprising: heating a grain-oriented electrical steel sheet slab; hot-rolling the heated slab; optionally annealing the hot-rolled steel sheet; subjecting the resulting steel sheet to one cold rolling or two or more cold rollings with intermediate annealing therebetween; subjecting the cold-rolled steel sheet to primary recrystallization annealing; and subjecting the annealed steel sheet to secondary recrystallization annealing, wherein the primary recrystallization annealing sequentially comprises an ultra-rapid heating process of heating the steel sheet at an average heating rate of 300° C. / sec or higher, a rapid heating process of heating the steel sheet at a lower average heating rate than the average heating rate of the ultra-rapid heating process, but not lower than 100° C. / sec, and a general heating process of heating the steel sheet at a lower average heating rate than the average heating rate of the rapid heating process.
Owner:POHANG IRON & STEEL CO LTD
Surface preparation for thin film growth by enhanced nucleation
ActiveUS7943527B2Promote growthEnhanced nucleationSemiconductor/solid-state device manufacturingChemical vapor deposition coatingRemote plasmaOptoelectronics
Owner:THE BOARD OF TRUSTEES OF THE UNIV OF ILLINOIS
Method of making a printhead having reduced surface roughness
InactiveUS6013160AImproved drop ejection efficiencyDrop ejection efficiencyInking apparatusVacuum evaporation coatingElectrical resistance and conductanceSurface roughness
The nucleation efficiency of a thermal ink jet printhead is improved by providing a heater resistor with a thin planar oxide film formed over a conductive heater resistive layer. In a preferred embodiment, zirconium diboride is sputtered onto a silicon substrate surface to form a first, electrically conductive base portion of the resistor. At a predetermined time, during the sputtering process, oxygen is introduced to form a thin film of ZrB2Ox. The surface of this film is very smooth having a surface roughness of <5 nm RMS.
Owner:XEROX CORP
Lubricant-impregnated surfaces for electrochemical applications, and devices and systems using same
ActiveUS20150372350A1Reduce viscous dragMinimizes accumulationFuel and primary cellsLiquid electrolytic capacitorsElectrochemistryLubricant
In certain embodiments, the invention relates to an electrochemical device having a liquid lubricant impregnated surface. At least a portion of the interior surface of the electrochemical device includes a portion that includes a plurality of solid features disposed therein. The plurality of solid features define a plurality of regions therebetween. A lubricant is disposed in the plurality of regions which retain the liquid lubricant in the plurality of regions during operation of the device. An electroactive phase comes in contact with at least the portion of the interior surface. The liquid lubricant impregnated surface introduces a slip at the surface when the electroactive phase flows along the surface. The electroactive phase may be a yield stress fluid.
Owner:MASSACHUSETTS INST OF TECH
Electrospray pinning of nanograined depositions
ActiveUS20150251213A1Inhibition of recrystallizationEnhanced nucleationLiquid surface applicatorsAdditive manufacturing apparatusGrain growthElectric field
A method and apparatus for fabrication of objects retaining nano-scale characteristics. A composition is provided comprising grain growth inhibitor particles in solution with a binding agent in a molten phase. An electric field and a magnetic field are generated with a combined extraction electrode. The composition is electrosprayed from a nozzle with the electric field to form a stream of droplets. The electric field drives the droplets toward a moving stage holding an object comprising successive deposition layers. The magnetic field limits dispersion of the stream of droplets. The stage is moved laterally as the stream of droplets impacts the object to form a current deposition layer of the object. The stage is moved vertically as necessary to maintain a target stand-off distance between the nozzle and a previous deposition layer of the object, based on profile data of the previous deposition layer.
Owner:Q21 CORPORATION +1
Surface treatment using iodine plasma to improve metal deposition
ActiveUS7041596B1Increase depositionShorten the timePretreated surfacesSemiconductor/solid-state device manufacturingIndiumIodine
An excited surfactant species is created by generating plasma discharge in a surfactant precursor gas. A surfactant species typically includes at least one of iodine, led, thin, gallium, and indium. A surface of an integrated circuit substrate is exposed to the excited surfactant species to form a plasma-treated surface. A ruthenium thin film is deposited on the plasma-treated surface using a CVD technique.
Owner:NOVELLUS SYSTEMS
Systems and methods for preparing nanocrystalline compositions using focused acoustics
InactiveUS20130026669A1Effectively producePromote growthPolycrystalline material growthShaking/oscillating/vibrating mixersAcoustic processingChemistry
Methods and systems for preparing nanocrystalline compositions using focused acoustic processing to cause and / or enhance crystal growth. A flow through system may be employed to expose sample material having a volume of greater or less than 30 mL to focused acoustic energy while flowing through a process chamber at a rate of at least 0.1 mL / min. Sample material may be processed by a suitable focused acoustic field in a cyclic fashion and / or with adjustment of processing parameters based on monitored characteristics of the sample, such as level of crystallinity. Nanocrystalline particles within the sample may have a tight particle size distribution with an average particle size between 10 nm and 1 micron. Stable nanocrystalline compositions may be reproducibly prepared using focused acoustics to have controllable morphologies and dimensions.
Owner:COVARIS INC
Systems for decreasing local temperature using high albedo materials
InactiveUS20150237813A1Aid in the invention's effectivenessMinimize ecological harmFog dispersionWeather influencing devicesAlbedoMaterials science
A system comprises a plurality of albedo-increasing materials distributed on a surface of a man-made structure and having an albedo that is greater than an albedo of the surface of the man-made structure, wherein the albedo of the albedo-increasing materials is at least 0.15. The plurality of albedo-increasing materials are positioned and sized to increase an evaporation rate at the surface for a given temperature and decrease a temperature characterizing the man-made structure.
Owner:FIELD LESLIE A
Low temperature MOCVD processes for fabrication of PrXCa1-xMnO3 thin films
ActiveUS6972239B1Enhanced surface nucleationEnhanced nucleationSemiconductor/solid-state device manufacturingChemical vapor deposition coatingOptoelectronics
A method of fabricating a PCMO thin film at low temperature for use in a RRAM device includes preparing a PCMO precursor; preparing a substrate; placing the substrate into a MOCVD chamber; introducing the PCMO precursor into the MOCVD chamber to deposit a PCMO thin film on the substrate; maintaining a MOCVD vaporizer at between about 240° C. to 280° C. and maintaining the MOCVD chamber at a temperature of between about 300° C. to 400° C.; removing the PCMO thin-film bearing substrate from the MOCVD chamber; and completing the RRAM device.
Owner:XENOGENIC DEV LLC
Method of modifying polymeric material and use thereof
InactiveUS7294673B2Inhibition of activationEfficient modificationOther chemical processesCarbon fibresFiberPolymer science
A method of modifying a polymeric material whereby the polymeric material is modified to give a highly durable surface without decreasing its strength. Namely, a polymeric material is modified by the method comprising a combination of an impregnation step, an activation step, a step of grafting a monomer and a step of a treatment with a hydrophilic polymer. Thus, the hydrophilic nature, adhesiveness, and so forth of polymeric materials such as polyolefins can be improved without causing any decrease in the practical strength. The thus obtained polymeric materials are usable in articles with a need for high water absorptivity and high adhesiveness, for example, water-absorbing materials and water-retaining materials for medical, sanitary, cosmetic articles or supplies, agricultural materials, synthetic papers, filters and fiber products for clothes, for improving adhesiveness of composite materials and the like. Among all, these materials are particularly usable in dentition orthodontic appliances, writing implements and battery separators.
Owner:FIBERMARK GRESSNER
Heteroleptic organometallic compounds
ActiveUS7956207B2Improve propertiesDesired morphologyTitanium organic compoundsGroup 3/13 element organic compoundsChemical compoundHeteroatom
This invention relates to organometallic compounds represented by the formula (L1)xM(L2)y wherein M is a metal or metalloid, L1 and L2 are different and are each a hydrocarbon group or a heteroatom-containing group; x is a value of at least 1; y is a value of at least 1; x+y is equal to the oxidation state of M; and wherein (i) L1 has a steric bulk sufficiently large such that, due to steric hinderance, x cannot be a value equal to the oxidation state of M, (ii) L2 has a steric bulk sufficiently small such that, due to lack of steric hinderance, y can be a value equal to the oxidation state of M only in the event that x is not a value of at least 1, and (iii) L1 and L2 have a steric bulk sufficient to maintain a heteroleptic structure in which x+y is equal to the oxidation state of M; a process for producing the organometallic compounds, and a method for producing a film or coating from organometallic precursor compounds.
Owner:PRAXAIR TECH INC
Method of fabricating micromechanical components with free-standing microstructures or membranes
InactiveUS7919345B1Enhanced nucleationInhibition formationDecorative surface effectsSemiconductor/solid-state device manufacturingGas phaseEngineering
A method is disclosed of fabricating micromechanical components provided with free-standing microstructures or membranes with predetermined mechanical stress, by initially depositing a sacrificial layer on a substrate followed by depositing a polysilicon layer on the sacrificial layer by a gaseous phase deposition and, finally, at least partial removal of the sacrificial layer. During deposition of the polysilicon layer, the process pressure selected determined the type of stress in the polysilicon layer, and the value of the stress is set by the process temperature selected. The process pressure is above the pressure range used in LPCVD reactors.
Owner:FRAUNHOFER ZUR FOERDERUNGDER
Methods for environmental modification with climate control materials and coverings
InactiveUS20120024971A1Aid in invention 's effectivenessMinimize ecological harmFog dispersionHydraulic engineering apparatusAlbedoEngineering
The invention provides and systems, materials, and methods for environmental modification using climate control materials. Climate control materials may be applied locally and may have various material properties that may alter a local albedo and / or evaporation rate, and thereby affect the local environment. Climate control materials may also be reversible. The climate control materials may be deployed in different manners.
Owner:FIELD LESLIE A
Lubricant-impregnated surfaces for electrochemical applications, and devices and systems using same
ActiveUS9947481B2Reduce viscous dragControl flowFuel and primary cellsHybrid capacitor electrolytesEngineeringElectrochemistry
In certain embodiments, the invention relates to an electrochemical device having a liquid lubricant impregnated surface. At least a portion of the interior surface of the electrochemical device includes a portion that includes a plurality of solid features disposed therein. The plurality of solid features define a plurality of regions therebetween. A lubricant is disposed in the plurality of regions which retain the liquid lubricant in the plurality of regions during operation of the device. An electroactive phase comes in contact with at least the portion of the interior surface. The liquid lubricant impregnated surface introduces a slip at the surface when the electroactive phase flows along the surface. The electroactive phase may be a yield stress fluid.
Owner:MASSACHUSETTS INST OF TECH
Metal Oxide Activated Cement
ActiveUS20140284309A1Improve propertiesSmall particle sizeDecorative surface effectsCement productionMetalMaterials science
Owner:WATERS TREVOR CYRIL
Metal oxide activated cement
Owner:WATERS TREVOR CYRIL
A high strength cast aluminum alloy with accelerated response to heat treatment
The invention relates to an improved cast Al alloy designed to provide an accelerated response to heat treatment; specifically, the alloy's response to thermal growth during aging is accelerated, leading to a dimensionally more stable casting. This improvement is achieved by the addition of trace amounts of Sn, In, Ge or Cd to an Al-Si-Cu cast alloy. The improved alloy has particular application for cast Al engine blocks and cylinder heads.
Owner:FORD GLOBAL TECH LLC
Enhanced nucleating beverage container, system and method
InactiveUS20160332123A1Reduce surface tensionIncrease aromaMixing methodsAlcoholic beverage preparationEngineeringCarbonation
A nucleating beverage container, system, and method, for effervescent beverages, incorporating nucleating features or sites at different elevations about a cavity of the container, configured to cooperate to generate an enhanced amount of smaller bubbles that will rise within and accumulate on the surface of the beverage as a collar or head, designable to do so without reducing the carbonation of the beverage so as to degrade taste or go flat within a prescribed time, and which can limit thermal convection of the beverage within a lower region of the container, to reduce warming and degradation of quality of the last to be consumed portion of the beverage.
Owner:TRULASKE JAMES A +1
Metal Oxide Activated Cement
ActiveUS20180105465A1Improve propertiesSmall particle sizeSolid waste managementCement productionStructural loadCrystal growth
An example cement includes a naturally occurring silicate bound in an organic binder, a metal oxide, and a chemical activator. The chemical activator is in an effective amount, for dissolving the binder, at least in part, so that the silicate reacts with other components of the cement, the silicate participates in crystal growth; and the cement is a structural load bearing cement.
Owner:WATERS TREVOR CYRIL
Metal oxide activated cement
ActiveUS10273187B2Improve propertiesSmall particle sizeSolid waste managementCement productionStructural loadCrystal growth
A process for making a cement, the cement containing a naturally occurring silicate bound in an organic binder, and a metal oxide. An example process includes dissolving the organic binder at least in part, using an effective amount of a chemical activator. An example process also includes providing the silicate to react with other components of the cement. An example process also includes providing the silicate to participate in crystal growth. An example process also includes providing the silicate so that the cement is a structural load bearing cement.
Owner:WATERS TREVOR CYRIL
Methods of nucleation control in film deposition
Disclosed herein are methods to achieve a significant degree of nucleation control with a chemical vapor deposition based coating approach, by controlling the chemistry of a specifically chosen under layer on a substrate such as glass and then treating this under layer on at least its surface to a specified degree to achieve targeted nucleation control in the second layer film, which is at least partially crystalline.
Owner:STEWART ENGINEERS
High-speed, High-density, and Low-power consumption Phase-change Memory Unit, and Preparation Method Thereof
InactiveUS20140291597A1Reduce power consumptionReduces heat dissipation and diffusionSemiconductor/solid-state device manufacturingBulk negative resistance effect devicesPhase-change materialEngineering
Owner:SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI
Methods for decreasing local temperature using high albedo materials
InactiveUS20150230415A1Aid in the invention's effectivenessMinimize ecological harmFog dispersionHydraulic engineering apparatusAlbedoMaterials science
Owner:FIELD LESLIE A
Single and multi-layer mesh structures for enhanced thermal transport
ActiveUS20210131753A1Large average pore sizeIncrease boiling nucleation siteSemiconductor/solid-state device detailsEvaporators/condensersHydrophilic coatingChemical physics
This disclosure describes single and multi-layer woven meshes designed to enable sucking flow condensation and capillary-driven liquid film boiling, respectively, for instance, in use in heat spreaders. The single-layer woven meshes can include a nanostructure coating and a hydrophobic coating, while the multi-layer meshes can include a microcavity coating and optionally a hydrophilic coating.
Owner:UNIV OF COLORADO THE REGENTS OF
Metal Oxide Activated Cement
ActiveUS20180105464A1Improve propertiesSmall particle sizeSolid waste managementCement productionStructural loadCrystal growth
A process for making a cement, the cement containing a naturally occurring silicate bound in an organic binder, and a metal oxide. An example process includes dissolving the organic binder at least in part, using an effective amount of a chemical activator. An example process also includes providing the silicate to react with other components of the cement. An example process also includes providing the silicate to participate in crystal growth. An example process also includes providing the silicate so that the cement is a structural load bearing cement.
Owner:WATERS TREVOR CYRIL
Magnetic head with a permanent-magnet layer structure
InactiveUS6925033B2Increases readout resolutionExpand the detection areaConstruction of head windingsManufacture head surfacePhysicsElectrically conductive
For high-resolution and low bit-error-rate MAMMOS readout, a magnetic head includes a flat magnetic coil (1) having a coil layer structure (3a, 3b) having an electrically conductive winding (5a, 5b), and includes a permanent-magnet layer structure (7) extending parallel to the coil layer structure and having an in-plane magnetic axis (m).
Owner:KONINKLIJKE PHILIPS ELECTRONICS NV
Method and apparatus for single chamber treatment
InactiveUS9702042B1Improve barrier propertiesEnhanced nucleationTransistorSemiconductor/solid-state device detailsMultiple treatmentsSemiconductor chip
The disclosure relates to using a single chamber for multiple treatments resulting in a semiconductor chip having an interconnect. An exemplary process many include forming a via to expose several layers of a microchip. The layers may include, pattered dielectric layer, a capping layer, a first metal layer and an insulator. A surface modification step is then implemented to modify and / or densify the treated surfaces of the dielectric surface. A metal compound removal step is then implemented to remove metal compounds from the bottom of the via. Finally, the via is filled with a conductive material. The surface modification and the metal compound removal steps are implemented in one chamber.
Owner:ELPIS TECH INC
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