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101 results about "Diamagnetism" patented technology
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Diamagnetic materials are repelled by a magnetic field; an applied magnetic field creates an induced magnetic field in them in the opposite direction, causing a repulsive force. In contrast, paramagnetic and ferromagnetic materials are attracted by a magnetic field. Diamagnetism is a quantum mechanical effect that occurs in all materials; when it is the only contribution to the magnetism, the material is called diamagnetic. In paramagnetic and ferromagnetic substances the weak diamagnetic force is overcome by the attractive force of magnetic dipoles in the material. The magnetic permeability of diamagnetic materials is less than μ₀, the permeability of vacuum. In most materials diamagnetism is a weak effect which can only be detected by sensitive laboratory instruments, but a superconductor acts as a strong diamagnet because it repels a magnetic field entirely from its interior.
Magnetically mounted vibration impact transducer
A magnetic arranged vibration shook sensor comprises a shell, permanent magnetic steel, a diamagnetism spacer ring, a base, piezoelectricity component and a signal conditioner, wherein, the shell and the base are closely fitted, assembled, and, after welded, combined to form a closed installation space wherein the piezoelectricity component and the signal conditioner are arranged at the upper part, and form a installation space for permanent magnetic steel in the base; the piezoelectricity component consists of an insulation sheet, an upper conducting strip, a lower conducting strip, an upper electroceramics, a lower electroceramics, a positive conducting strip, a negative conducting strip and a quality block, and is connected to the base through screws; the signal conditioner is arranged on a supporting frame of the piezoelectricity component; the diamagnetism spacer ring, the excircle of which is coated with glue, is firstly pressed into the bottom hole of the base made of ferromagnetic material, then the permanent magnetic steel with high parallelism, finish and planeness is pressed into the center hole of the base, a thin layer of spirit glue with high intensity and high hardness is filled coordinately, the inner disk of the diamagnetism spacer ring is provided with a plurality of equally distributed small grooves which are connected with the magnetic steel and the spacer ring hard through glue; meanwhile, various electric sensing circuits are arranged according to requirements in order to form the magnetic arranged vibration shook sensor.
Owner:北京唐智科技发展有限公司
Directionally arranged graphene super high heat conductivity composite material, and preparation method thereof
InactiveCN108752713AEasy to prepareImprove controllabilityHeat-exchange elementsDoped grapheneMixed materials
The invention discloses a directionally arranged graphene super high heat conductivity composite material, and a preparation method thereof. The directionally arranged graphene super high heat conductivity composite material is composed of non-oxidation reduction graphene nanometer sheet, a high molecular matrix, a dispersant, and a couplant through combination; gradient magnetic field is appliedso as to realize internal directional arrangement of the non-oxidation reduction graphene nanometer sheet in the high molecular matrix. According to the preparation method, full utilization of graphene surface internal high heat conductivity characteristics is adopted, directional arrangement is realized under the graphene landau diamagnetism action; when the adding amount is equal, the heat conductive performance of the obtained is much better than that of other doped graphene materials or common graphene mixed materials.
Owner:厦门十一维科技有限公司
Enhanced multi-component oxide-containing sputter target alloy compositions
InactiveUS20060234091A1Improved metallurgicalImprove isolationCellsVacuum evaporation coatingCobaltPt element
A magnetic recording medium, including a substrate, and a data-storing thin film layer formed over the substrate. The data-storing thin film layer is comprised of cobalt (Co), platinum (Pt), and a multi-component oxide. The multi-component oxide has cations with a reduction potential of less than −0.03 electron volts, and atomic radii of less than 0.25 nanometers. Additionally, the multi-component oxide is diamagnetic, paramagnetic, or magnetic with a permeability of less than 10−6 m3 / kg. The multi-component oxide has a dielectric constant greater than 5.0. The sputter target is further comprised of chromium (Cr) and / or boron (B).
Owner:HERAEUS INC
Pressure wave sensor using levitated mass
InactiveUS20040244492A1Vibration measurement in solidsMaterial analysis using sonic/ultrasonic/infrasonic wavesCapacitanceLevitation
A mass is levitated with respect to a base, at least one of which is comprised of a diamagnetic material, with the levitated mass also having a permanent magnetic property. A second permanent magnet is optionally configured such that it attracts the levitation mass away from the base to overcome gravitational force on the mass, thereby suspending the mass over the surface of the base. The mass is contained in a nonmagnetic, non-shielding and optionally optically-transparent housing so as to limit its excursion within a range of levitation positions. A position measurement means such as a laser interferometer, capacitance detector, or pickup coil is configured to measure positional deviations of the mass in response to incident pressure wave, the output of which being an electronic signal representing the pressure wave.
Owner:IBM CORP
Magnetic-particle photocatalyst with core-shell structure, preparation and application thereof
ActiveCN101757926AFacilitate Gradient DistributionImprove degradation efficiencyWater/sewage treatment by irradiationWater contaminantsParamagnetismFerromagnetism
Magnetic-particle photocatalyst with a core-shell structure takes a ferromagnetism particle, a paramagnetism particle or a diamagnetism particle as a core, and photocatalyst as a shell. The ferromagnetism, paramagnetism or diamagnetism particles are gamma-Fe2O3, SiO2 or MnO particle respectively, and the photocatalyst is Gd3-xBixSbO7, Gd3-xYxSbO7 and In3-xBixTaO7 respectively, wherein the grain diameter of the gamma-Fe2O3, SiO2 and MnO is 80-2,000nm. Water-treatment is carried out on the photocatalyst in a magnetic field-photocatalytic system, and the periphery of a reaction system for water-treatment is provided with an alternating magnetic field generator with adjustable magnetic field intensity, wherein the range of the magnetic field intensity is 0-15T, and radiation light sources of the reaction system adopt a 300W xenon lamp and a 400W high-voltage mercury lamp; the ferromagnetism particle, paramagnetism particle and diamagnetism particle respectively account for 33+ / -10% in themagnetic-particle core for coating the photocatalyst, and are completely and uniformly dispersed in aqueous solution, thus the composite photocatalyst is uniformly distributed in the upper, middle and lower layers of the aqueous solution.
Owner:NANJING UNIV
Method for detecting free radical ration in coal tar
InactiveCN103105409AOptimizing Assay ConditionsSolve the problem of low free radical contentAnalysis using electron paramagnetic resonanaceDPPHTar
The invention discloses a method for detecting free radical ration in coal tar. The method comprises the steps of removing moisture in the tar in a high speed centrifuging manner, and preserving a tar sample under low temperature or inert atmosphere; adopting a diamagnetism substance to deliquate DPPH(1,1-Diphenyl-2-picrylhydrazyl radical 2,2-Diphenyl-1-(2,4,6-trinitrophenyl) hydrazyl) to prepare a plurality of DPPH standard samples with different free radical concentrations, carrying out EPR (electron paramagnetic resonance) measurement, carrying out secondary integration on an EPR spectrogram, and recording the corresponding secondary integration area; establishing a standard curve according to the free radical contents of the DPPH standard sample with different free radical concentrations and the secondary integration area of the corresponding EPR spectrogram; and filling the tar sample into a pipe, measuring according to the same EPR measuring condition, carrying out secondary integration on the measured EPR spectrogram, and substituting the secondary integration area into the standard curve so as to obtain the free radical content N. The method provided by the invention can exactly measure free radical content in coal tar, meanwhile, the change of the content of the free radical in the coal tar along with the preservation condition is exactly measured, and the method for detecting ration is provided for the research of the free radical in the coal tar and is very simple and easy.
Owner:EAST CHINA UNIV OF SCI & TECH
Method for producing graphene
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
Filters for paramagnetic and diamagnetic substances
ActiveUS9352331B1Lower Level RequirementsDispersed particle filtrationElectrostatic separationMagnetic sourceParamagnetism
A high capacity magnetic filter separates diamagnetic and / or paramagnetic substances from fluid streams. Diamagnetic solid substances are magnetized under an external magnetic field through coordinated interaction of diamagnetic solid substances with an inducement paramagnetic material (IPM). The magnetic filter serves as a separation zone created by the presence of IPM and magnets that are shielded from the IPM by non-magnetic sleeves or partitions. The IPM in the void volume between the magnets affords large surface area onto which diamagnetic and paramagnetic materials can contact and be attracted to. The relative position and distance of the magnetic source, such a magnetic bar or electromagnet, to the solid mixture of diamagnetic and IPM are adjusted to induce sufficiently strong magnetism in the diamagnetic solids which causes the diamagnetic solids to be attracted by the magnetic field as well. Both diamagnetic and paramagnetic substances can be removed from a liquid or gas.
Owner:SHIN CHUANG TECH CO LTD
VacuMag magnetic separator and process
InactiveUS20060096894A1Electrostatic separationWater/sewage treatment by magnetic/electric fieldsMagnetic separatorParamagnetism
An apparatus for separating a stream of particles with individual sizes smaller than 300 μm and magnetic properties ranging from collective magnetism as in ferromagnetism to paramagnetism to diamagnetism. The apparatus includes a plurality of stages for separating a stream of particles. The apparatus includes a magnetic component producing a magnetic force associated with each stage. The apparatus includes an aerodynamic component producing an aerodynamic force associated with each stage, where the more magnetic component or components of a feed of particles for each stage is separated and either or both the less magnetic product and the more magnetic product of each stage are the feed for separate succeeding stages with each stage and where the magnetic and aerodynamic forces along with gravimetric forces of each stage are chosen to separate more strongly magnetic particles from less magnetic particles. A method for separating a stream of particles with individual sizes smaller than 300 μm and magnetic properties ranging from collective magnetism as in ferromagnetism to paramagnetism to diamagnetism.
Owner:EXPORTECH CO INC
Magnetorheological fluid-assisted tube expansion and compression forming device and processing technique, and relates to the technical field of tube high-pressure forming
ActiveCN109759491AReduced sealing requirementsSolve the sealing problemMagnetorheological fluidEngineering
The invention discloses a magnetorheological fluid-assisted tube expansion and compression forming device and a processing technique, and relates to the technical field of tube high-pressure forming.The device comprises a casing film of an annular structure, pressing dies, electromagnetic devices, an initial tube blank and diamagnetic fluid filling tubes filled with magnetorheological fluid; thepressing dies are embedded at the two ends of the casing film; the end ports of the outer sides of all the pressing dies are each provided with the electromagnetic device; the initial tube blank is embedded in the pressing dies; and the diamagnetic fluid filling tubes are embedded in the two ends of the initial tube blank correspondingly. The areas of the two end ports of the initial tube blanks each internally forms a solid-like self-sealing plug under the action of magnetorheological fluid and a magnetic field, and the sealing problem of existing internal high-pressure forming technologies is solved; and through the diamagnetism of the diamagnetic fluid filling tubes, in the expansion process, liquid is continuously charged into an inner cavity of the initial tube blank, internal high pressure is formed, an overflow passage is formed in the pressure-maintaining step in the tube forming process, and the effects that fluid is charged for expansion at first and then forming pressing iscarried out under constant pressure support condition can be achieved.
Owner:YANSHAN UNIV
Inertial navigation device for ion propulsion driven spacecraft
InactiveUS20040244486A1Acceleration measurement using interia forcesMechanical energy handlingAccelerometerExtreme temperature
An extremely sensitive accelerometer suitable for use in extreme temperatures such as those encountered during space travel is formed by levitating a magnet in a box or sphere composed of diamagnetic material such as pyrolytic carbon, and a means for measuring the position of the magnet within the enclosure is provided so that over time, the position of the magnet can be monitored. Knowing the mass of the suspended magnet, the displacement over time of the magnetic can be used to calculate acceleration, which can then be used to determine position of a space vehicle.
Owner:IBM CORP
Non-magnetic ventilation box iron material for nuclear power/hydropower station and preparing method of non-magnetic ventilation box iron material
The invention belongs to the field of stainless steel material molding, in particular to a non-magnetic ventilation box iron material for a nuclear power / hydropower station and a preparing method of the non-magnetic ventilation box iron material. Ventilation box iron 0Cr18Ni9 comprises chemical components including 18%-19% of Cr, not larger than 4.0% of Mn, 8%-9% of Ni, not larger than 0.04% of C,not larger than 1.0% of Si, not larger than 0.035% of P, not larger than 0.020% of S, 2%-3% of Cu, 0.18%-0.22% of N and the balance Fe and inevitable impurities. The ventilation box iron 0Cr18Ni9 isobtained through technologies of burdening, electric-arc furnace smelting, AOD furnace refining, electroslag remelting, continuous mill operation, solution treatment, wire winding, acid pickling, drying, drawing, solution treatment, roll forming, cutting, checking, packaging, storage and the like in sequence. The preparation technology is simple, and oxidation machining is not needed. The stainless steel material prepared through the method has the beneficial effect that the austenite structure is stable, the magnetic conductivity is reduced while the strength is guaranteed, the condition thatthe magnetic conductivity mu is smaller than or equal to 1.1(H=15924 A / m), the beneficial effects of high ductility, good resistance to oxidation, good diamagnetism, resistance to intergranular corrosion and the like are achieved, and traditional 0Cr18Ni9 austenitic stainless steel can be replaced.
Owner:大连环新新材料科技有限公司
Anti-counterfeiting mark capable of being recognized through presentation of stereoscopic pattern, and manufacture method for same
InactiveCN106571101AStrong appearanceEasy to operateStampsIdentification meansEngineeringParamagnetism
The invention provides an anti-counterfeiting mark capable of being recognized through presentation of a stereoscopic pattern. The anti-counterfeiting mark is characterized in that the stereoscopic pattern is formed through combination of magnetic printing ink and oriented arrangement of magnetic orientation printing plates; the magnetic printing ink comprises paramagnetism printing ink or diamagnetism printing ink; the paramagnetism printing ink is a paint containing iron magnetic substances; the diamagnetism printing ink is a paint containing diamagnetism substances; the paramagnetism or diamagnetism printing ink contains the constituents including 10-95 parts by weight of film forming substances, 1-25 parts by weight of the paint which can be arranged in an oriented manner in a magnetic field and contains the iron magnetic substances or the diamagnetism substances, 1-10 parts by weight of assistant agent and 0-88 parts by weight of solvent; and the paint which contains the iron magnetic substances or diamagnetism substances takes reflecting-material paints as the base material; and the base material is covered by the iron magnetic substances or the diamagnetism substances. The image has the high concretization and stereoscopic sense; and the recognition manner of the mark is visualized and efficient.
Owner:德信嘉邦涂料(深圳)有限公司
Superconducting wire, method of manufacturing the same, antenna coil for nmr probe and nmr system using the same
InactiveUS20090054242A1High sensitivityHigh resolutionSuperconductors/hyperconductorsSuperconductor detailsWire rodLow resistance
A superconducting wire, a method of manufacturing the superconducting wire, an antenna coil and a NMR system are disclosed. At least a superconducting material, a paramagnetic material and a diamagnetic material are closely attached and integrated with each other to form a longitudinally continuous wire. The paramagnetic material and the diamagnetic material are arranged in such a manner that the magnetic properties of the paramagnetic material and the diamagnetic material substantially offset each other in the longitudinal and diametrical directions. A superconducting layer is exposed to a part or the whole of the outer periphery of the wire. A low-resistance material layer is formed inside the superconducting layer.
Owner:HITACHI LTD
Vortex tube lined with magnets and uses thereof
ActiveUS20200086270A1Easy to separateCost effectiveGas treatmentDispersed particle separationMagnetic field gradientMagnetic poles
A magnetic / energetic apparatus for purifying gas mixtures comprises a vortex tube and magnetic elements. Such an apparatus can include an inlet valve configured to receive a gas mixture having one or more disposed paramagnetic gas species and one or more diamagnetic gas species; a high-shear environment energetic separation chamber coupled to the inlet valve; a plurality of magnetic elements coupled to an outer wall of the high-shear environment separation chamber, wherein each of the plurality of magnetic elements are arranged so as to have a respective pole alternating in polarity with respect to an adjacently positioned magnetic element so as to induce a field gradient between each of the adjacently positioned magnetic elements and within the inner wall of the high-shear environment separation chamber; and at least one exit valve so as provide a substantially separated one or more paramagnetic gas species from the one or more diamagnetic gas species.
Owner:WASHINGTON STATE UNIVERSITY
Magnetic recording medium and method of recording
InactiveUS6882617B1Reduce heat transferAlleviates reduction in magnetismCombination recordingDifferent record carrier formsHigh densityMagnetic storage
In a method of recording and reproduction using a magnetic storage medium, a magnetic storage medium (5) is used in which at least magnetic recording film (2) and a superconducting film (3) are deposited. According to the method,[0001]the superconducting layer (3) is partly heated where data is either recorded in recording or reproduced in reproduction, using a semiconductor laser (6) to or beyond its critical temperature at which diamagnetism disappears. Thus, in recording, data can be recorded with high density without affecting adjacent parts of the magnetic recording layer regardless of the physical size of the magnetic head. In reproduction, data can be reproduced from a minuscule part at high S / N ratios with crosstalk from adjacent bits being substantially eliminated.
Owner:SHARP KK
Substrate process apparatus
ActiveUS20210265188A1Increase the number ofMinimal impactMagnetic circuitSemiconductor/solid-state device manufacturingLevitationElectric machine
A linear electrical machine comprising a frame with a level reference plane and an array of electromagnets, connected to the frame to form a drive plane at a predetermined height relative to the reference plane. The array of electromagnets being arranged so that a series of electromagnets of the array of electromagnets define at least one drive line within the drive plane, and each of the electromagnets being coupled to an alternating current power source energizing each electromagnet. At least one reaction platen of paramagnetic, diamagnetic, or non-magnetic conductive material disposed to cooperate with the electromagnets of the array of electromagnets so that excitation of the electromagnets with alternating current generates levitation and propulsion forces against the reaction platen that controllably levitate and propel the reaction platen along at least one drive line, in a controlled attitude relative to the drive plane.
Owner:BOOKS AUTOMATION US LLC
Direct-repelling type permanent magnet rotary engine
InactiveCN101594099AFew mechanical partsSimple structureGenerators/motorsRotary engineMagnetic poles
The invention relates to a rectangular triangle permanent magnet rotary engine fixed at the periphery of a stator and a rotor of diamagnetism alloy materials, in particular to a direct-repelling type permanent magnetic rotary engine driving the rotor to circularly move depending on the repulsion among same poles of a stator permanent magnet and a rotor permanent magnet and a process thereof, more particularly to an engine which works depending on the magnetic energy of the permanent magnets. The technical scheme is achieved as follows: notches are left at the straight sides of the stator rectangular triangle permanent magnet and the rotor rectangular triangle permanent magnet, a small rectangular triangle resistance-reducing magnet forwards extends along the side direction of the top ends of the straight sides; the rectangular triangle permanent magnets at the periphery of the stator are fixed at an equal angle; the bottom of the stator rectangular triangle permanent magnet is provided with a reinforcement balance magnet; the rotor is fixed at the peripheries of rotors spaced at 60 degrees by a rectangular triangle magnet with the width of 60 degrees; slope surfaces of the stator rectangular triangle magnet and the rotor rectangular triangle magnet mutually repel because of same magnetic poles. The invention is suitable for being used as a power source of an engine, an autocar, a ship, a train and aerospaceplane.
Owner:金银龙 +1
Method and apparatus for separation of mixture
InactiveUS20130327684A1Type accurateAccurate separationMagnetic separationWet separationMagnetic field gradientParamagnetism
The present invention provides a method and an apparatus capable of continuously and accurately separating, by type, a mixture containing at least two types of particles, or capable of separating specific particles from the mixture, using a gradient magnetic field. In the present invention, a mixture containing at least two types of particles, particles of one type of which are made of a paramagnetic or diamagnetic substance, is treated. A magnetic field whose magnetic field gradient has a vertical component and a horizontal component is applied to a supporting liquid 21 stored in a separating tank 31. When the mixture is placed into the supporting liquid 21, the particles of the one type are guided such that they are positioned in the supporting liquid 21 at a predetermined height from a bottom face 39 of the separating tank 31 while horizontally traveling. Alternatively, the particles of the one type magnetically levitate at a liquid surface of the supporting liquid 21 and horizontally travel. Particles of another type of the at least two types of particles are positioned at a position vertically different from that of the particles of the one type, between the bottom face 39 of the separating tank 31 and the liquid surface of the supporting liquid 21.
Owner:UBE IND LTD
Zero-gravity condition non-container processing equipment of anti-magnetism material in magnetic field
InactiveCN101119086APrevent evaporationPrecise temperature controlElectrical/wave energy microorganism treatmentMagnetic holding devicesTemperature controlLiquid state
The present invention discloses a device that can suspend objects in intense magnetic field with large grade and is used for suspending fluid or solid state diamagnetic material and for making the diamagnetic material be sealed in an environment that is sealed and can be heated or cooled and whose temperature is controllable and is observable at any time so as to realize processing of the diamagnetic material in the states of zero gravity no-container and suspension, the present invention comprises a suspension cavity 5, a sample feeding controller 8, a temperature controller 6 and a video pick-up device 2, etc. The suspension cavity is a sealed cavity and can prevent outside environment from polluting the suspension material and prevent the volatilization of fluid sample. Besides, the suspension of the solid diamagnetic sample that is arranged in the suspension cavity can be realized through changing the position of the suspension cavity 5 in the magnet test cavity; the sample feeding controller 8 can realize precisely control the suspension of the fluid diamagnetic sample; the temperature controller 6 can realize heating or cooling of the sample and precision control of the processing temperature of the sample; the video pick-up collector 2 can realize real-time observation and recording of the process of the sample processing.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Method for producing graphene
The invention uses a dispersion (303) of suspended single-layer graphene (201), multilayer graphene (202), and graphite (203), and applies a magnetic field to the dispersion (303) to separate the single-layer graphene (201) from the dispersion (303). In the magnetic field applying step of the graphene producing method, the single-layer graphene (201), the multilayer graphene (202), and the graphite (203) are situated at different locations in solvent by using the difference in the diamagnetism strengths of the single-layer graphene (201), the multilayer graphene (202), and the graphite (203).
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
Smart home anti-pinch door using superconducting magnet diamagnetism principle
InactiveCN109138687AAvoid inertial effectsUndamagedBuilding braking devicesHydraulic cylinderForce factor
Owner:泉州台商投资区雷墨设计有限公司
Magnetic field modulation hybrid excitation transverse flux linear generator
InactiveCN113141097AIncreased magnetic field transformation speedHigh voltageReciprocating/oscillating/vibrating magnetic circuit partsMagnetic circuit stationary partsElectromotive forceMaterials science
Owner:SOUTHEAST UNIV
Precision Inclinometer with Parallel Dipole Line Trap System
Inclinometers with a parallel dipole line (PDL) trap system are provided. In one aspect, an inclinometer includes: a PDL trap having a pair of dipole line magnets, a transparent tube in between the dipole line magnets, and a diamagnetic object within the transparent tube, wherein the diamagnetic object is levitating in between the dipole line magnets; and a sensing system for determining a position z of the diamagnetic object in the PDL trap and for determining an inclination angle θ using the position z of the diamagnetic object in the PDL trap. Techniques to detect the diamagnetic object position using optical, capacitive and manual methods are described. A method for determining an inclination angle θ using the present inclinometers is also provided.
Owner:IBM CORP
Equipment for detecting diamagnetism
The invention discloses equipment for detecting diamagnetism. The equipment comprises a detection bench for carrying to-be-detected equipment, a first angle dial for measuring the diamagnetic angle of the to-be-detected equipment, a detection head for measuring diamagnetism and the diamagnetic distance of the to-be-detected equipment, and a support for supporting the detection bench. The first angle dial is shaped like a circular ring, and the detection head that can slide on the circular ring is disposed on the circular ring of the first angle dial. The two ends of the detection bench pass through the circular ring of the first angle dial in the diameter direction of the first angle dial and then are connected to the support.
Owner:STATE GRID CORP OF CHINA +1
Electrostatic type energy collector based on solar energy
The invention discloses an electrostatic type energy collector based on solar energy. The collector comprises a light condensing device, a magnet, an electret assembly, a collection electrode assembly, a housing and a cover plate. The electret assembly consists of a pyrolysis graphite flake, an insulation layer, an electret and a protection electrode. Due to the diamagnetism of the pyrolysis graphite flake, the electrets will be freely suspended to the upper part of the magnet under the effects of the magnetic force resisting ability. By use of double convex lenses, sunlight is condensed to the edge of the pyrolysis graphite flake and the electret rotates. Capacitance is formed between the collection electrode and the electrets, so when the electret assembly rotates, the relative area of the capacitor is changed, and charge on the collection electrode is also changed. Through an energy management circuit, charge on the collection electrode is stored and it is achieved that solar energyis converted into electric energy.
Owner:ZHENGZHOU UNIV
Wire winding device and method for manufacturing same
InactiveUS20130342303A1High characteristicImprove efficiencyTransformers/inductances coils/windings/connectionsInductances/transformers/magnets manufactureInsulation layerElectrical conductor
Owner:MORI RYUTARO
VacuMag magnetic separator and process
InactiveUS7681736B2Electrostatic separationWater/sewage treatment by magnetic/electric fieldsMagnetic separatorParamagnetism
Owner:EXPORTECH CO INC
Piezoelectric nano composite material and preparation method thereof
ActiveCN110797453AVisual trace enhancementsIncrease the surface chargePiezoelectric/electrostrictive device manufacture/assemblyPiezoelectric/electrostrictive device material selectionBarium titanateParamagnetism
The invention provides a piezoelectric nano composite material and a preparation method thereof. The piezoelectric nano composite material comprises Gd-doped barium titanate nano particles and a PLGAbase material, wherein the Gd-doped barium titanate nano particles are uniformly dispersed in the PLGA base material, for the Gd-doped barium titanate nano particles, Gd ions enter barium titanate inan ion doping mode, replace the position of positive ions in BTO and enter a tetragonal phase structure of BTO, a certain influence is caused to a tetragonal phase structure of barium titanate, and thereby piezoelectric property of a composite material is improved, surface charges of the piezoelectric material can be improved, moreover, due to doping of the Gd ions, the magnetism of the nano particles is converted from diamagnetism to paramagnetism, the density of the nano particles is increased, the material is endowed with a developing and tracing function, and the MRI and X-Ray double-developing effect is achieved.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI
Apparatus for separating cells using magnetic force and cell separation method using the same
ActiveUS20130288226A1Easy to separatePromote generationBioreactor/fermenter combinationsBiological substance pretreatmentsMagnetic tension forceEngineering
An apparatus for separating cells using magnetic force includes: a separation channel portion including ferromagnetic particles, and provided with a flow path through which a cell fluid containing a plurality of cells having at least one of diamagnetic and paramagnetic properties; and a magnetic field controller that generates a magnetic field within the flow path so that the cells in the cell fluid flow within the flow path and are separated by height by a magnetic field. Accordingly, there are provided an apparatus for separating cells using magnetic force and a cell separation method using the same, by which cells can be easily separated using magnetic force.
Owner:KOREA INST OF MASCH & MATERIALS
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