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446results about How to "Reduce power density" patented technology
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Handheld Photocosmetic Device
InactiveUS20080058783A1Maintain and improve benefitSimple designDiagnosticsControlling energy of instrumentHand heldDermatology
The present invention discloses handheld photocosmetic devices that can be utilized to apply EMR to the skin, e.g., to achieve fractional treatment of the skin. The invention discloses effective fractional photocosmetic devices for use in by a consumer in a non-medical and or non-professional setting. Thus, embodiments of such devices are disclosed herein that have one or more of the following attributes: capable of performing one or more cosmetic and / or dermatological treatments; efficacious for such treatments; durable; relatively inexpensive; relatively simple in design; smaller than existing professional devices (with some embodiments being completely self-contained and hand-held); safe for use by non-professionals; and / or not painful to use (or only mildly painful).
Owner:PALOMAR MEDICAL TECH
In situ application of etch back for improved deposition into high-aspect-ratio features
InactiveUS6869880B2Improve their levelEasily controlPolycrystalline material growthElectric discharge tubesPlasma activationAspect ratio
A continuous in situ process of deposition, etching, and deposition is provided for forming a film on a substrate using a plasma process. The etch-back may be performed without separate plasma activation of the etchant gas. The sequence of deposition, etching, and deposition permits features with high aspect ratios to be filled, while the continuity of the process results in improved uniformity.
Owner:APPLIED MATERIALS INC
Irradiation device for therapeutic treatment of skin and other ailments
The invention relates to an irradiation device and method for the treatment of totally or partially cell-mediated inflammations of the skin, the connective tissue and the viscera, viral and other infectious diseases such as HIV and prionic infections, fungal infections of the skin and the mucous membranes, bacterial diseases of the skin and the mucous membranes as well hand eczema and anal eczema which comprises at least one irradiation device to irradiate a surface treatment area where the wavelength of the emitted radiation to a treatment area is longer than 400 nm and comprises at least one spectral band between 400-500 nm while the radiation device contains means for the generation of optical pulses towards a treatment area with a power density of the optical pulse peaks larger than 0.5 W / cm2 and smaller than 100 kW / cm2. The energy of one pulse relates to 0.05-10 J / cm2.
Owner:SPECTROMETRIX OPTOELECTRONICS SYST
inhaler
ActiveCN102264420AReduce power densityEvaporation stableRespiratorsOrganic active ingredientsMedicineInhalation
The invention relates to an inhaler component for producing a steam / air mixture or / and condensation aerosol in an intermittent and inhalation- or pull-synchronous manner. The inhaler component comprises the following elements: a housing (3); a chamber (21) arranged in the housing (3); an air inlet opening (26) for the supply of air from the surroundings to the chamber (21); an electrical heating element for evaporating a portion of a liquid material(16), the steam produced mixing in the chamber (21) with the air supplied through the air inlet opening (26), thereby producing the steam / air mixture or / and condensation aerosol; and a wick having a capillary structure, which wick forms a composite structure (22) with the heating element and automatically supplies the heating element with fresh liquid material (16) after evaporation. In order to provide the high specific evaporative capacity required for an intermittent, inhalation- or pull-synchronous operation of the inhaler component (2) while guaranteeing a high efficiency of the evaporator, the composite structure (22) is a flat structure and at least one heated section of the composite structure (22) is arranged in the chamber (21) in a contact-free manner, and the capillary structure of the wick is substantially exposed in the section on at least one side (24) of the flat composite structure.
Owner:NICOVENTURES TRADING LTD
Optical architectures for microvolume laser-scanning cytometers
InactiveUS6979830B2Reduce power densityMinimizing limitationOptical radiation measurementBioreactor/fermenter combinationsSpectroscopyLaser scanning
Methods and instrumentation for performing charge coupled device (CCD)-based confocal spectroscopy with a laser spot array are provided. The methods and instruments of the invention are useful in any spectroscopic application, including, but not limited to, microscopy and microvolume laser scanning cytometry (MLSC).
Owner:PPD BIOMARKER DISCOVERY SCI
Cooled tip laser catheter for sensing and ablation of cardiac arrhythmias
InactiveUS20030023236A1Minimize any post-operative discomfortImprove convenienceSurgical instrument detailsCatheterCardiac muscleLaser light
The disclosures made herein relate to methods and equipment adapted for treatment of cardiac arrhythmias and for limiting, if not preventing, damage to surface tissue while coagulating tissue within the myocardium. In one embodiment of the disclosures made herein, a cooled tip laser catheter system includes an energy delivery apparatus, a laser apparatus and a cooling medium supply apparatus. The energy delivery apparatus includes a flexible tubular housing, a tip assembly and an optical waveguide. The flexible tubular housing includes a plurality of lumens therein extending between a proximal end and a distal end of the flexible tubular housing. The tip assembly includes a tip body attached at a first end thereof to the distal end of the flexible tubular housing and an optical window mounted at a second end of the tip body. The circulation chamber is defined within the tip body between the distal end of the flexible tubular housing and the optical window. The optical waveguide is mounted within a first of said lumens, wherein a distal end of the optical waveguide is exposed within the circulation chamber. The laser apparatus is attached to the energy delivery apparatus in a manner enabling laser light to be supplied to and transmitted by the optical waveguide. The cooling medium supply apparatus is attached to the energy delivery apparatus in a manner enabling cooling medium to be circulated through the circulation chamber.
Owner:BIOTEX
Expanded beam connector system
A method of coupling a high-power optical signal between an optical fiber and a mating optical component, the optical signal ranging in wavelength from x to y, and having a first diameter while propagating in a mode field within the fiber, the method comprising: (a) converting the high-power optical signal between the first diameter in the fiber and a second diameter significantly greater than the first diameter using a GRIN lens fused to an end of the fiber, the GRIN lens having a diameter substantially the same as that of the optical fiber and a length l complying with the following equation:¼x+½nx≦l≦¼y+½ny,wherein n=0, 1, 2, 3 . . . 100;(b) establishing physical contact between the GRIN lens and a coupling surface of the mating optical component; and (c) while the high-power optical signal is at the second diameter, optically coupling it between the lens and the mating optical component.
Owner:TE CONNECTIVITY CORP
Method and system for thermal load management in a portable computing device
ActiveUS20120271481A1Reduce power densityLower quality of serviceEnergy efficient ICTDigital data processing detailsProcessingHeat energy
Methods and systems for leveraging temperature sensors in a portable computing device (“PCD”) are disclosed. The sensors may be placed within the PCD near known thermal energy producing components such as a central processing unit (“CPU”) core, graphical processing unit (“GPU”) core, power management integrated circuit (“PMIC”), power amplifier, etc. The signals generated by the sensors may be monitored and used to trigger drivers running on the processing units. The drivers are operable to cause the reallocation of processing loads associated with a given component's generation of thermal energy, as measured by the sensors. In some embodiments, the processing load reallocation is mapped according to parameters associated with pre-identified thermal load scenarios. In other embodiments, the reallocation occurs in real time, or near real time, according to thermal management solutions generated by a thermal management algorithm that may consider CPU and / or GPU performance specifications along with monitored sensor data.
Owner:QUALCOMM INC
Novel optical architectures for microvolume laser-scanning cytometers
InactiveUS20050057749A1Reduce power densityMinimizing limitationOptical radiation measurementBioreactor/fermenter combinationsLaser scanningSpectroscopy
Methods and instrumentation for performing charge coupled device (CCD)-based confocal spectroscopy with a laser spot array are provided. The methods and instruments of the invention are useful in any spectroscopic application, including, but not limited to, microscopy and microvolume laser scanning cytometry (MLSC).
Owner:PPD BIOMARKER DISCOVERY SCI
Multiple envelope tracking system for an active antenna array
ActiveUS20110151806A1Improve linearityImprove power efficiencyEnergy efficient ICTModulated-carrier systemsAudio power amplifierEngineering
An active antenna array comprises a plurality of transmission paths, a plurality of variable power supply units, and an envelope detection system. The transmission paths are adapted to carry a plurality of similar transmission path signals, and the plurality of transmission paths comprises an amplifier having a power input and a signal input for one of the plurality of similar transmission path signals. The plurality of variable power supply units is connected to the power input of the amplifier for supplying power to the amplifiers. Each of the plurality of variable power supply units comprises an envelope signal input. The envelope detection system is connected to the envelope inputs of the plurality of variable power supply units and adapted to provide a common envelope signal for the plurality of similar transmission path signals to the plurality of variable power supply units. A method for envelope tracking and computer program products for manufacture and method execution are also claimed.
Owner:TELEFON AB LM ERICSSON (PUBL)
Solid state lithium-air based battery cell
ActiveUS8940446B1High theoretical energy densityIncrease energy densityFuel and secondary cellsHybrid cell detailsPorositySolid-state battery
In an example, the present invention provides a solid state battery device, e.g., battery cell or device. The device has a current collector region and a lithium containing anode member overlying the current collector region. The device has a thickness of electrolyte material comprising a first garnet material overlying the lithium containing anode member. The thickness of electrolyte material has a density ranging from about 80 percent to 100 percent and a porous cathode material comprising a second garnet material overlying the thickness of electrolyte material. The porous cathode material has a porosity of greater than about 30 percent and less than about 95 percent and a carbon bearing material overlying a surface region of the porous cathode material. In an example, the carbon bearing material comprises substantially carbon material, although there can be variations.
Owner:QUANTUMSCAPE BATTERY INC
Compact handheld detector for greenhouse gasses
ActiveUS20100231722A1Mitigating wavelength hoppingReduce power densityTelevision system detailsMaterial analysis by optical meansGreenhouseLaser light
Techniques are disclosed relating to gas leak detection. The techniques can be deployed, for example, in compact, handheld portable devices usable for detecting leaks in space-confined applications. The devices generally include an unstablized laser and thermal imaging camera that allow for detection of gas that absorbs at least some of the wavelength of operation of the unstablized laser. The devices can be operated at a low-power density for safety and / or may be configured to mitigate wavelength hopping associated with unstablized laser light sources.
Owner:SOUTHWEST RES INST
Expanded beam connector system
A method of coupling a high-power optical signal between an optical fiber and a mating optical component, said optical signal having a first diameter while propagating in a mode field within said fiber, said method comprising: (a) converting said high-power optical signal between said first diameter in said fiber and a second diameter using a collimator optically coupled to said fiber, said second diameter being significantly greater than said first diameter, and (b) while said high-power optical signal is at said second diameter, optically coupling it between said lens and said mating optical component.
Owner:TE CONNECTIVITY CORP
Apparatus and method for microwave processing of materials using field-perturbing tool
InactiveUS6222170B1Improve efficiencyReduce power densityMicrowave heatingChemical vapor deposition coatingMicrowave cavityEngineering
A variable frequency microwave heating apparatus designed to allow modulation of the frequency of the microwaves introduced into a multi-mode microwave cavity for heating or other selected applications. A field-perturbing tool is disposed within the cavity to perturb the microwave power distribution in order to apply a desired level of microwave power to the workpiece.
Owner:LOCKHEED MARTIN ENERGY SYST INC
Silicon-on-insulator diodes and ESD protection circuits
InactiveUS6861680B2Reduce power densityHigh protection levelTransistorSolid-state devicesCapacitanceSilicon on insulator
A silicon-on-insulator (SOI) gated diode and non-gated junction diode are provided. The SOI gated diode has a PN junction at the middle region under the gate, which has more junction area than a normal diode. The SOI non-gated junction diode has a PN junction at the middle region thereof, and also has more junction area than a normal diode. The SOI diodes of the present invention improve the protection level offered for electrical overstress (EOS) / electrostatic discharge (ESD) due to the low power density and heating for providing more junction area than normal ones. The I / O ESD protection circuits, which comprise primary diodes, a first plurality of diodes, and a second plurality of diodes, all of which are formed of the present SOI diodes, could effectively discharge the current when there is an ESD event. And the ESD protection circuits, which comprise more primary diodes, could effectively reduce the parasitic input capacitance, so that they can be used in the RF circuits or HF circuits. The proposed gated diode and non-gated diode can be fully process-compatiable to general partially-depleted or fully-depleted silicon-on-insulator CMOS processes.
Owner:UNITED MICROELECTRONICS CORP
Tapered fused waveguide for teeth whitening
ActiveUS20050080404A1Easy to cleanEasy to makeSurgical instrument detailsLight therapyTarget surfaceBeam splitting
A radiation emitting apparatus is disclosed that emits a substantially homogenous beam of radiation from an irregularly shaped output end. As described herein, a radiation emitting apparatus includes a bundled fiberguide coupled to an energy distribution tuner. The bundled fiber guide is coupled to the energy distribution tuner to receive a substantially uniform distribution of high power energy. The bundled fiber guide is configured to distribute the energy to emit a substantially uniform distribution of lower power energy toward a target surface, such as a body surface. The bundled fiber guide may include a plurality of fused optic fibers, a plurality of beam splitting mirror elements, or tapered waveguides.
Owner:BIOLASE TECH INC
Multi-time-scale micro grid energy management optimization scheduling method
ActiveCN106651026AComprehensive treatmentAccurate and quantitative estimation of operating costsForecastingInformation technology support systemElectricity priceAlternating current
The invention relates to a management optimization method in the field of alternating-current micro grids, and specifically to a multi-time-scale micro grid energy management optimization scheduling method. Aiming at the problems that the existing studies are incomprehensive on consideration of the running status of a micro grid, not detailed enough on the control strategy in each running status of the micro grid, insufficient on calculation accuracy of the running cost and the like, the method comprises a day-ahead economic optimization scheduling phase and an intraday economic optimization scheduling phase; the former considers the electricity price at peak, valley and flat time, and distributed unit power optimization allocation in the micro grid is performed according to day-ahead photovoltaic and load prediction by using the total running cost including the running and maintenance cost of a lithium battery and a fuel battery, interrupted compensation of an interruptible load, price of electricity sold by a large grid and the like as a target function; and the latter considers the outputs of electricity purchased from the large grid by the micro grid, a super-capacitor and the fuel battery, and an independent control strategy is respectively established for the peak, valley and flat time, so that the control strategies are more specific and detailed.
Owner:TAIYUAN UNIV OF TECH
Effective coupling coefficients for strained single crystal epitaxial film bulk acoustic resonators
ActiveUS11211918B2Lower effective coupling coefficientImprove performancePiezoelectric/electrostrictive device manufacture/assemblyImpedence networksBand-pass filterSingle crystal
In an array of single crystal acoustic resonators, the effective coupling coefficient of first and second strained single crystal filters are individually tailored in order to achieve desired frequency responses. In a duplexer embodiment, the effective coupling coefficient of a transmit band-pass filter is lower than the effective coupling coefficient of a receive band-pass filter of the same duplexer. The coefficients can be tailored by varying the ratio of the thickness of a piezoelectric layer to the total thickness of electrode layers or by forming a capacitor in parallel with an acoustic resonator within the filter for which the effective coupling coefficient is to be degraded. Further, a strained piezoelectric layer can be formed overlying a nucleation layer characterized by initial surface etching and piezoelectric layer deposition parameters being configured to modulate a strain condition in the strained piezoelectric layer to adjust piezoelectric properties for improved performance in specific applications.
Owner:AKOUSTIS INC
Combinatorial heterogeneous-homogeneous reactor
ActiveUS20090225923A1Reduce power densityIsotope delivery systemsConversion outside reactor/acceleratorsCorrosion resistant alloyNuclear engineering
A combinatorial heterogeneous-homogeneous reactor configuration in which an array or groups of homogeneous fuel assemblies are interlinked together in a heterogeneous lattice. The present invention removes the limitation of a homogeneous reactor by providing a reactor concept that utilizes the inherent advantages of homogeneous fuel elements but in a heterogeneous fuel lattice arrangement that limits the power density of any one homogeneous fuel element and yet forms a reactor arrangement that is capable of producing any product demand of interest. The present invention provides a method for producing medical isotopes by the use of a modular reactor core comprised of homogeneous fuel assemblies arranged in a regular rectangular or triangular pitch lattice. The aqueous fuel solution is contained within individual fuel assemblies that are right circular cylinders clad in corrosion-resistant alloys such as stainless steel, zircalloy, zircalloy alloys, or other metal alloys that are resistant to corrosive fissile environments but preserve neutron economy. The fuel assemblies are supported below by a core plate that is tied directly to the lower reactor support structure. The bottom of each assembly opens into a common plenum area which provides a hydrodynamic communication / coupling path between the individual assemblies in the lattice. The fuel assemblies are supported above by an upper plate that is welded to each assembly tube. The top of each assembly opens to a common upper plenum which provides a means of thermodynamic pressure equalization among the four assemblies in the reactor core lattice.
Owner:BABCOCK & WILCOX TECHNICALSERVICES GRP INC
Bandwidth-limited and long pulse master oscillator power oscillator laser systems
InactiveUS20060007978A1Limited bandwidthAvoid short lengthOptical resonator shape and constructionActive medium materialMaster oscillatorLong pulse
Laser systems have a line-narrowed master oscillator and a power oscillator for amplifying the output of the master oscillator. The power oscillator includes optical arrangements for limiting the bandwidth of radiation that can be amplified. The limited amplification bandwidth of the power oscillator is relatively broad compared to that of the output of the master oscillator, but narrower than would be the case without the bandwidth limiting arrangements. The bandwidth narrowing arrangements of the power oscillator function primarily to restrict the bandwidth of amplified spontaneous emission generated by the power oscillator.
Owner:COHERENT GMBH
Atkinson cycle powertrain
ActiveUS7765806B2Increased torque outputReduce power densityValve arrangementsInternal combustion piston enginesAtmospheric airAtkinson cycle
A powertrain includes an Atkinson cycle engine having at least one cylinder, a crankshaft, and an air intake system that provides selective fluid communication between the at least one cylinder and the atmosphere. A motor is in hybrid combination with the engine, and a compressor is configured to selectively pressurize air in the air intake system. The powertrain provides the fuel efficiency of an Atkinson cycle engine while compensating for the reduced torque output of an Atkinson cycle engine.
Owner:GM GLOBAL TECH OPERATIONS LLC
Piezoelectric sensor based smart-die structure for predicting the onset of failure during die casting operations
InactiveUS20080250863A1Strong anisotropyPiezoelectric propertyPiezoelectric/electrostrictive device manufacture/assemblyPiezoelectric/electrostriction/magnetostriction machinesDie castingCatastrophic failure
An in-situ apparatus is provided for monitoring the state of stress / strain and cracking in a die surface. The apparatus may also be used to facilitate the prudent removal of the die from the surface so that it may be repaired before catastrophic failure occurs. Accordingly, the yield of a process used to generate die cast structures may be greatly increased.
Owner:COLORADO SCHOOL OF MINES
Method for prolonging cycle life of zinc battery and application thereof
ActiveCN108520985AAvoid formingAvoid short circuit failureFinal product manufactureSecondary cellsSocial benefitsPorous coating
The invention discloses a method for prolonging the cycle life of a zinc battery and application thereof. A method of inhibiting the zinc dendritic crystal / bulge growth on the surface of a zinc negative electrode through a porous coating is used; the porous coating is used for prolonging the cycle life of the zinc battery; the porous coating is positioned between the zinc negative electrode and abattery diaphragm. Compared with the prior art, the porous coating disclosed by the invention has the advantages of low price, light weight and no pollution; continuous production can be realized on the existing battery coating equipment; the assembly process of the ordinary secondary zinc battery is not influenced; the energy density and power density of the secondary zinc battery cannot be obviously reduced; the cycle life of the secondary zinc battery can also be obviously prolonged; the method can be applicable to a battery system using metal zinc as the negative electrode; important economic and social benefits are realized.
Owner:YANTAI UNIV
Method for making thin film lithium ion battery
InactiveUS20140013588A1Reduce power densityShortened life-spanPrimary cell manufactureFinal product manufactureOptoelectronicsThin film rechargeable lithium battery
A method for making a thin film lithium ion battery is provided. A cathode material layer and an anode material layer are provided. A cathode current collector is formed on a surface of the cathode material layer to obtain a cathode electrode. The cathode current collector includes a graphene layer. An anode current collector is applied on a surface of the anode material layer to obtain an anode electrode. A solid electrolyte layer is applied between the cathode electrode and the anode electrode, thereby forming a battery cell. Then at least one battery cell is encapsulated in an external encapsulating shell.
Owner:TSINGHUA UNIV +1
Diode pumped laser with intracavity harmonics
InactiveUS7016389B2Guaranteed uptimeEasy alignmentOptical resonator shape and constructionSemiconductor lasersHarmonicLight beam
A diode end-pumped solid state laser is provided which produces improved power output, long term stability and improved conversion efficiency from the pumping power, high as well as low power operation while maintaining certain desirable common characteristics such as TEM00 operation, circular outputs, readily aligned systems and compatibility with long lifetime for all components. The invention intracavity conversion to second, third and higher harmonics in several different spectral regimes. The invention also addresses the aspects of design flexibility, seeking in certain embodiments to provide a single platform for providing several harmonic beams.
Owner:NEWPORT CORP
Silicon-on-insulator diodes and ESD protection circuits
InactiveUS6894324B2More junction areaReduce power densityTransistorSemiconductor/solid-state device detailsCapacitanceSilicon on insulator
Owner:UNITED MICROELECTRONICS CORP
Thermoelectric heterostructure assemblies element
InactiveUS7932460B2Low densityReduce stressThermoelectric device with peltier/seeback effectThermoelectric device manufacture/treatmentThermoelectric materialsShear stress
Improved thermoelectric assemblies are disclosed, wherein layers of heterostructure thermoelectric materials or thin layers of thermoelectric material form thermoelectric elements. The layers are bound together with agents that improve structural strengths, allow electrical current to pass in a preferred direction, and minimize or reduce adverse affects, such a shear stresses, that might occur to the thermoelectric properties and materials of the assembly by their inclusion.
Owner:ZT PLUS
Multilayer structure-based novel battery type supercapacitor with high power density and high energy density and preparation method
ActiveCN105280394AImprove power densityIncrease energy densityElectrolytic inorganic material coatingHybrid capacitor electrodesCapacitanceElectrical battery
A supercapacitor is energy storage equipment with high power density and low energy density, and generally can satisfy requirements of people for both high power density and high energy density only when used by being matched with a battery to be a system. The invention discloses a novel battery type supercapacitor, and through a method of using a high-specific-energy battery material or / and supercapacitor material such as a metal oxide, a metal hydroxide, a metal sulfide, a conducting polymer and a carbon material to form alternate thin layers with reduced oxidized graphene (rGO) and further manufacture a multilayer structure formed by a plurality of thin layers, a supercapacitor with high specific energy and high specific power is realized. The novel multilayer structure formed by many thin layers made of battery or capacitor material and rGO in an alternate mode can ensure that an electrode that is manufactured is greatly improved in reaction particle diffusion control and has improved dynamic characteristics, so that high power density and high energy density can be obtained when the electrode serves as a capacitor.
Owner:QINGDAO NINEX NEW ENERGY TECH CO LTD
Neutron tubes
InactiveUS7342988B2Increase surface areaHigh neutron fluxLaser detailsNuclear energy generationTarget surfaceIon beam
A neutron tube or generator is based on a RF driven plasma ion source having a quartz or other chamber surrounded by an external RF antenna. A deuterium or mixed deuterium / tritium (or even just a tritium) plasma is generated in the chamber and D or D / T (or T) ions are extracted from the plasma. A neutron generating target is positioned so that the ion beam is incident thereon and loads the target. Incident ions cause D-D or D-T (or T-T) reactions which generate neutrons. Various embodiments differ primarily in size of the chamber and position and shape of the neutron generating target. Some neutron generators are small enough for implantation in the body. The target may be at the end of a catheter-like drift tube. The target may have a tapered or conical surface to increase target surface area.
Owner:RGT UNIV OF CALIFORNIA
Method and apparatus for improving uniformity of large-area substrates
InactiveUS20070221128A1Good film uniformityEnhanced vapor depositionChemical vapor deposition coatingElectricityPlasma density
Owner:APPLIED MATERIALS INC
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