Abstract: A winding core tube with a uniformly rough surface including a rotary barrel is provided. A circular through hole is provided at the inner side of the rotary barrel, a rotating sleeve is fixedly connected at the circular through hole of the rotary barrel, a circular through hole is provided at the outer side of the rotating sleeve, a connecting shaft is fixedly connected at the circular through hole of the rotating sleeve, the length of the connecting shaft is larger than that of the rotary barrel, and sprayed particles are sprayed on the outer side of the rotary barrel.

Abstract: An imaging system for a living organism is described and has a receiving device used to receive the living organism and formed with at least two receiving grooves, at least one micro-channel connected to the receiving grooves, and a plurality of magnetic cilia disposed on a surface of the micro-channel; a magnetic field providing device neighboring a first side of the receiving device to control an action of the magnetic cilia; a driving device neighboring a second side of the receiving device to drive a movement of the living organism and control a moving direction thereof; a liquid providing device in communication with the receiving device to provide liquid; and an image capturing device neighboring a third side of the receiving device to capture an image of the living organism.

Abstract: Provided is a method of fabricating magnetic cilia including the following steps. Step (A): A mold is provided in which a plurality of micro-channels are formed, wherein the aperture of each of the micro-channels is between 50 ?m and 350 ?m, and the depth of each of the micro-channels is between 500 ?m and 3,500 ?m. Step (B): A raw material is spread onto the mold and filled into each of the micro-channels, wherein the raw material includes a polymer and magnetic particles dispersed therein. Step (C): A heat treatment is performed to harden the raw material in each of the micro-channels into a magnetic cilium. Step (D): A mold release process is performed to isolate each of the magnetic cilia from each of the micro-channels.

Abstract: A method for manufacturing a magnetocaloric element including the following steps: a powder of a magnetocaloric alloy with composition: La1-x(Ce,Pr)x((Fe1-z-vMnzCov)1-ySiy)wXn is prepared, wherein: X is one or several elements selected from H, C, N and B; x=0 to 0.5; y=0.05 to 0.2; z=0 to 0.15; v=0 to 0.15; w=12 to 16; n=0 to 3.5; the remainder being impurities, with a maximum content of 4% by weight, preferably a maximum content of 2% by weight, of rare earths other than La, Ce and Pr, and a maximum content of 2% by weight, for the other impurities, the preparation of the powder including the following steps: a liquid alloy (4) is elaborated; it is solidified in the form of a powder of substantially spherical particles (14) with an average diameter comprised between 10 and 100 ?m by atomization of a jet (8) by means of an inert gas; said powder (14) is heat-treated in order to give it at least 70% by weight of a structure of the NaZn13 type by heating up to a temperature from 900 to 1,200° C.

Abstract: The therapeutic device is an acupuncture device which is usable for treating chronic, but non-contagious diseases. The device is in the form of a solid chip or tablet having a unique composition, which can be placed on the body of a patient's acupuncture meridian points for the treatment. The treatment with this device is safe, more effective, non-invasive and easy to use over other alternative treatments because it does not involve the use of needles, medication, electricity and radiation.

Abstract: Provided herein is a method including oxidizing tops of features of a patterned magnetic layer to form oxidized tops of the features; removing an excess of an applied first protective material down to at least the oxidized tops of the features to form a planarized layer; and applying a second protective material over the planarized layer.

Abstract: Medical devices and related methods are disclosed.

Abstract: Methods for magnetic recording are provided. The method can include: assembling a plurality of nanoparticles into a pattern on a disc; applying a polymer composition onto the pattern of nanoparticles; curing the polymer composition to form a polymer film on the disc, wherein the plurality of nanoparticles are immobilized in the pattern within the polymer film upon curing; and removing the polymer film containing the plurality of nanoparticles in the pattern. Diffraction gratings are also provided that can include a polymeric film comprising a plurality of nanoparticles immobilized in a pattern, wherein the polymer film defines a curvature.

Abstract: Disclosed herein are methods for manufacturing a functionally graded polymer material. The methods comprise preparing a melted polymer mixture comprising a thermoplastic polymer and a magnetic filler dispersed in the thermoplastic polymer, molding the melted polymer mixture and applying a magnetic field to a portion of the melted polymer mixture to form a functionally graded polymer material. The resulting functionally graded polymer material has a magnetic filler gradient formed through a thickness of the material.

Abstract: A flexible conduction trace includes a flexible line; and a plurality of conductive particles arranged in the form of pillars within the flexible line.

Abstract: A method of manufacturing a bonded metal assembly having a form and a powdered metal-filled plastic member with a cylindrical surface generally surrounding the form includes providing a mold having a cylindrical interior surface corresponding to the cylindrical surface of the resulting powdered metal-filled plastic member and providing a gate to the mold. The gate extends at least partially along a radius of the cylindrical interior surface of the mold. With the form positioned in the mold, a powdered metal-filled plastic material is injected through the gate to the mold and flowed around the form. A resulting bonded metal assembly includes a form and a powdered metal-filled plastic member having a cylindrical surface generally surrounding the form. The powdered metal-filled plastic member includes an injection-molding gate line extending at least partially along a radius of the cylindrical surface.

Abstract: A method of modifying a thermoplastic polymer powder. A suspension of thermoplastic polymer powder and reinforcement elements in a liquid is heated within a reaction chamber so that the thermoplastic polymer powder becomes softened and the reinforcement elements migrate into the softened thermoplastic polymer powder to form modified thermoplastic polymer powder. The modified thermoplastic polymer powder is then separated from the liquid. The reinforcement elements have an electromagnetic moment and are subjected to an electromagnetic field as the suspension is heated. The interaction of the electromagnetic field with the electromagnetic moment of the reinforcement elements causes the reinforcement elements to become aligned with the electromagnetic field before they migrate into the powder.

Abstract: A die apparatus for molding an arcuate magnet having polar-anisotropic orientation in a magnetic field, which comprises a die made of non-magnetic cemented carbide, which is arranged in a parallel magnetic field generated by a pair of opposing magnetic field coils; an arcuate-cross-sectional cavity having an inner arcuate wall, an outer arcuate wall and two side walls, which is disposed in the die; a central ferromagnetic body arranged on the side of the outer arcuate wall of the cavity; and a pair of side ferromagnetic bodies symmetrically arranged on both side wall sides of the cavity; the cavity being arranged such that its radial direction at a circumferential center thereof is identical with the direction of the parallel magnetic field; the width of the central ferromagnetic body being smaller than the width of the cavity in a direction perpendicular to the parallel magnetic field; and a pair of the side ferromagnetic bodies being arranged such that the cavity is positioned in a region sandwiched by a pa

Abstract: In a method for manufacturing a cylindrical bonded magnet, a molding space having a cylindrical shape is filled with a bonded magnet composition containing a magnetic material and a resin. The magnetic material disposed in the molding space is magnetically oriented using an orientation magnet. The orientation magnet includes a first permanent magnet and a second permanent magnet. The first and second permanent magnets are disposed such that same poles are opposite each other in the axial direction.

Abstract: The chip stack of semiconductor chips with enhanced cooling apparatus includes a first chip and a second chip electrically and mechanically coupled by a grid of connectors. The chip stack includes a thermal interface material (TIM) between the first chip and the second chip. The TIM includes nanofibers aligned parallel to mating surfaces of the first and second chips, and a thermosetting polymer that when heated, will reduce the viscosity of the TIM to allow for optimal alignment of the carbon nanofibers. The method includes adding at least one thermosetting polymer to the TIM, dispersing nanofibers into the TIM, and heating the TIM until the thermosetting polymer un-crosslinks. The method further includes applying a magnetic field to align the graphite nanofibers and cooling the TIM until the thermosetting polymer re-crosslinks.

Abstract: Flexible magnetic sheets made with high-energy strontium ferrite and oriented magnetic particles of strontium ferrite and barium ferrite, such as to decrease thickness while maintaining a strong magnetic energy as well as flexibility.

Abstract: A method for production of an anisotropic bonded magnet includes: aligning magnetic pole bodies which include an even number of permanent magnets arranged uniformly around an outer periphery of an annular cavity filled with magnetic raw material, aligning magnetic fields to cause rare-earth anisotropic magnet powder to be semi-radially aligned; compressively molding the semi-radially aligned magnet raw material to obtain an annular compact; discharging the compact from the annular cavity; demagnetizing causing the aligning magnetic pole bodies to relatively move only in circumferential direction with respect to the compact after the molding step thereby to apply demagnetization magnetic fields to the compact. The demagnetization magnetic fields are applied from the aligning magnetic pole bodies with opposite poles to those during the alignment step, and the demagnetization magnetic fields are in directions for cancelling the magnetization of the compact caused by the aligning magnetic fields.

Abstract: A part is manufactured by introducing magnetic particles into a matrix material, and orienting the particles by coupling them with an electromagnetic field. The matrix material is solidified in patterned layers while the particles remain oriented by the field.

Abstract: A method of manufacturing anisotropic bonded magnets includes four steps. The first step fills a compressing metal mold with a compound chiefly made of flaky anisotropic magnetic particles. The second step forms a compression molded substance by molding the compound in the metal mold within an orientation magnetic field. The third step couples the compressing metal mold to a molding metal mold together. The fourth step moves the compression molded substance from the compressing metal mold to the molding metal mold, and then deforms and molds the compression molded substance into a given shape. This method allows controlling the anisotropy of the anisotropic bonded magnet.

Abstract: A method of manufacturing a magnetic sheet includes a slurry sheet forming step, a local magnetic field applying step, and a slurry curing step. In the slurry sheet forming step, slurry is formed by mixing flat soft magnetic metal powder in a binding material, and a slurry sheet is formed by shaping the slurry into a sheet. In the local magnetic field applying step, only the orientation of the flat soft magnetic metal powder, which exists in the partial area, of the entire flat soft magnetic metal powder mixed in the slurry sheet is unified in a predetermined direction by locally applying a magnetic field to a partial area of the expanded slurry sheet in a predetermined direction. In the slurry curing step, a magnetic sheet is formed by curing the slurry sheet after the local magnetic field applying step.

Abstract: A method for manufacturing sintered magnet poles is described. The mold is filled with a vitrifiable base material powder and closed with a plate. A magnetic field aligns the powder and a plate pressed onto the powder establishes a compact that holds the alignment in place. The compact is sintered to form a sintered magnet pole. The mold forms a protective cover of the sintered magnet pole and the plate forms a base plate of a magnet pole piece. Furthermore, a magnet pole piece is provided which has a magnet pole and a base plate which is fixed to a protective cover so that the base plate and the protective cover surround the magnet pole. The base plate and/or the protective cover of the magnet pole piece has at least one element that provides a geometrical locking of the magnet pole to the base plate and/or the protective cover.

Abstract: A method for magnetically aligning non-particles within a polymer, involving adding a magnetic nano-particle filler to a plastic material, such as a molten thermoplastic. The magnetic property allows the filler or particles to be aligned through the use of magnetic fields during the molding process. In one embodiment, the nano-particles are synthesized to a specific size, and are made by applying suitable coatings to existing fillers.

Abstract: A method for manufacturing sintered magnet poles is described. A vitrifiable base material powder is filled into a mold, the mold is closed with a plate, the mold with the powder is placed in a magnetic field for aligning the powder, the plate is pressed such onto the powder as to establish a compact that holds the alignment in place, and the compact is sintered so as to form a sintered magnet pole. The mold ultimately forms a protective cover of the sintered magnet pole and the plate ultimately forms a base plate of a magnet pole piece. Furthermore, a magnet pole piece is provided which has a magnet pole and a base plate which is fixed to a protective cover so that the base plate and the protective cover surround the magnet pole. The base plate and/or the protective cover of the magnet pole piece has at least one element that provides a geometrical locking of the magnet pole to the base plate and/or the protective cover.

Abstract: Provided is a method of fabricating a magnetic axis-controlled structure. The method of fabricating a magnetic axis-controlled structure includes providing a composition including magnetic nanoparticles dispersed in a liquid medium, applying a magnetic field to the composition to align the magnetic nanoparticles along the magnetic field and form a magnetic axis, and solidifying the liquid medium to fix the magnetic axis.

Abstract: The present disclosure relates to a coil transducer motor structure (20) including at least one coil (22), at least one magnetic element (23) arranged in use to provide a path for magnetic flux between the ends of said coil (22), wherein the magnetic element (23) has a structure providing a curvilinear path therethrough for said magnetic flux.

Abstract: A method of forming an array of pointed structures comprises depositing a ferrofluid on a substrate, applying a magnetic field to the ferrofluid to generate an array of surface protrusions, and solidifying the surface protrusions to form the array of pointed structures. The pointed structures may have a tip radius ranging from approximately 10 nm to approximately 25 ?m. Solidifying the surface protrusions may be carried out at a temperature ranging from approximately 10 degrees C. to approximately 30 degrees C.

Abstract: A magnetic recording tape includes an elongated substrate and a magnetic side. The magnetic side includes a support layer formed over the substrate and a magnetic recording layer formed over the support layer to define a magnetic recording surface opposite the substrate. The magnetic recording layer includes magnetic particles and a lubricant and supports a net uncompressed density of at least 30 MB/in2. The magnetic side has an extracted BET surface area of greater than 1.0 m2/g.

Abstract: Articles are disclosed, comprising a polymer foam layer having a first surface and an opposite second surface; a plurality of cells between the first surface and the opposite second surface of the polymer foam layer, wherein the thickness of the polymer foam layer between the first surface and the opposite second surface is 1.0 to 1.5 times the average height of the plurality of cells; and a plurality of electrically conductive particles aligned into a plurality of columns that essentially continuously span the foam between the first surface and the opposite second surface of the polymer foam layer. The foams are useful as gaskets for electromagnetic shielding, grounding pads, battery contact conductive spring elements, and the like.

Abstract: A system and method for producing material characteristics are described. A magnetic treatment chamber with a high magnetic field treats workpieces; and a conveyor or transporter continuously moves the workpieces through the high magnetic field in the magnetic chamber. A frictional or mechanical engagement system extracts the workpieces through and out of the high magnetic field.

Abstract: A method including providing Au-doped Co nanoparticles. The nanoparticles include a combination of non-ferromagnetic nanoparticles and weakly ferromagnetic nanoparticles. The nanoparticles each have an exterior surface. The surfaces of the nanoparticles are functionalized with 7-(5-uracil-ylcarbamoyl)heptanoic acid. A polymer is provided having a general formula including a uracil group. A dispersion is formed by agitating a solution of the nanoparticles. The solution is spin cast into a film. The film is heated under vacuum at a first temperature, TFM, resulting in inducing ferromagnetism in the non-ferromagnetic nanoparticles and converting the non-ferromagnetic nanoparticles to ferromagnetic nanoparticles, and resulting in enhancing ferromagnetism in the weakly ferromagnetic nanoparticles. The nanoparticles are aligned such that magnetic easy axes of the nanoparticles are oriented by applying a magnetic field to the dispersion while at a second temperature less than TFM.

Abstract: Articles are disclosed, comprising a polymer foam layer having a first surface and an opposite second surface; a plurality of cells between the first surface and the opposite second surface of the polymer foam layer, wherein the thickness of the polymer foam layer between the first surface and the opposite second surface is 1.0 to 1.5 times the average height of the plurality of cells; and a plurality of magnetic, electrically conductive particles aligned into a plurality of mutually isolated chains that essentially continuously span the foam between the first surface and the opposite second surface of the polymer foam layer. The foams are useful as gaskets for electromagnetic shielding, grounding pads, battery contact conductive spring elements, and the like.

Abstract: A method for producing a permanently-magnetic part, made from a polymeric support material filled with magnetic filler materials on the basis of silicon caoutchouc, hot-vulcanized from at least one starting material, in which the at least one starting material of the silicon caoutchouc is mixed prior to vulcanization with 50 to 95% by weight of high energy ferrite particles of a density of 5.0 to 5.2 g/cm3 and an average particle size of 1.5 to 2.5 ?m as the magnetic filler material and is homogenized. Subsequently, the homogenized mixture is introduced into a mold cavity by a temperature-regulated screw and is cross-linked by vulcanization in the mold cavity by the application of heat for forming the molding, wherein during cross-linking a static magnetic field is applied to the mold cavity and the magnetic filler materials are magnetized and aligned in the silicon caoutchouc being cross-linked.

Abstract: The invention provides a magnetic rubber composition prepared by kneading an anisotropic magnetic powder, alkoxysilane represented by the formula below, and a rubber binder: RaSiX4-a where, in the formula, R is an alkyl group represented by CnH2n+1, X represents a hydrolysable group such as a methoxy group and an ethoxy group, and a represents an integer of 0 to 3.

Abstract: A method for the production of pressed permanent magnets comprises the following steps: A mixture of at least one magnetic powder and a thermosetting binder is provided and pressed to produce a moulded body. In order to obtain a permanent and particularly reliable protection against oxidation and corrosion, the moulded body is impregnated with an acid and solvent mixture in an impregnating bath before the cure of the thermosetting binder, whereby the entire surface of the permanent magnet is coated with a reaction layer [FIG. 1].

Abstract: Chemically cross-linked polymeric particles are formed using mechanical rather than chemical processes, facilitating production of small-diameter particles in a manner largely independent of the viscosity or density of the polymer. For example, an uncross-linked resin may be provided in particulate form, agglomerated, and compressed into a mass of a desired shape with a desired diameter, and subsequently cross-linked.

Abstract: A magnetic induction foam molding apparatus comprising: a pair of electromagnet parts, each of which has a core part composed of a ferromagnet and a coil part placed on the outer circumference surface of the core part, and that are placed so as to face each other and depart from each other with a predetermined distance in the axis direction of the core part; a foaming mold interposed between the pair of electromagnet parts, inside which a cavity is defined; and a yoke part connecting back surfaces of the respective core parts of the pair of the electromagnet pats so as to form a magnetic path between a pair of the back surfaces. In the cavity of the foaming mold, a uniform magnetic field is formed.

Abstract: A newly developed method for manufacturing a tone wheel is disclosed, according to which a circular magnetic molded body made from a magnetic powder is enable to be combined with a metal reinforcing ring without deformation and partial breakage in the assembly process. The method is characterized by manufacturing a tone wheel with an elastic member disposed between the metal reinforcing ring and the circular magnetic body and comprises providing step of a circular magnetic body formed with an elastic member disposing portion on a circumferential surface of the metal reinforcing ring on a magnetic sensor side, fixing step of an elastic member into the elastic member disposing portion to make a composite member body, and bending step of the circumferential edge of the metal reinforcing ring to fix the composite member body thereby.

Abstract: A method of manufacturing a polymer foam composite is described, the method comprising forming an article having a first surface and an opposite second surface from a precursor composition, the precursor composition comprising a polymer foam precursor composition, and a filler composition comprising a plurality of magnetic, electrically conductive particles; foaming the precursor composition to form a plurality of cells in precursor composition; applying a magnetic field to the foamed precursor composition, wherein the magnetic field is of a strength and applied for a time effective to align the electrically conductive, magnetic particles into mutually isolated chains between the first surface and the opposite second surface of the article; and solidifying the polymer foam precursor composition to provide a polymer foam composite having a density of about 1 to about 125 pounds per cubic foot and a volume resistivity of about 10?3 ohm-cm to about 103 ohm-cm at a pressure of 60 pounds per square inch.

Abstract: A method of fabricating a magnetic coder device, the method being of the type consisting in making a mixture of ferromagnetic particles or ferrites in a matrix, in molding the matrix, and in subjecting the molded matrix to a magnetic field so as to obtain a continuous alternation of north and south magnetic poles, which method consists in using a matrix having viscosity that is sufficiently low to enable the ferrites to migrate, in applying a magnetic field during the molding operation while maintaining the matrix at a given temperature in order to reduce its viscosity and thereby making it easier to cause the ferromagnetic particles to migrate and become oriented in their direction of easy magnetization, and to obtain discontinuous shapes having high particle concentration, and in suddenly cooling the matrix while the magnetic field is maintained so as to freeze the particles in the matrix.

Abstract: A Production method of tone wheel made of elastic material to be fixed to a rotating member in which a magnetic encoder is assembled in combination of the tone wheel and a magnetic sensor provided at a fixed member. The tone wheel is produced by using newly designed an assembled molding die which comprises one die blocks and the other die blocks which are detachably engaged each other, and which has a flash groove at matching surface where the distal of the one die blocks and that of the other die blocks are matched. The one die blocks have an annular molding surface formed on the magnetic die member side of the assembled die, and the other die blocks have an annular molding receiving surface part which is formed with an annular molding surface.

Abstract: Articles are disclosed, comprising a polymer foam layer having a first surface and an opposite second surface; a plurality of cells between the first surface and the opposite second surface of the polymer foam layer, wherein the thickness of the polymer foam layer between the first surface and the opposite second surface is 1.0 to 1.5 times the average height of the plurality of cells; and a plurality of magnetic, electrically conductive particles aligned into a plurality of mutually isolated chains that essentially continuously span the foam between the first surface and the opposite second surface of the polymer foam layer. The foams are useful as gaskets for electromagnetic shielding, grounding pads, battery contact conductive spring elements, and the like.

Abstract: A ferrite magnetic powder for bond magnet that experiences only small decrease in coercivity when molded into a bond magnet is provided, which is a ferrite magnetic powder that includes an alkaline-earth metal constituent and exhibits a decrease in coercivity of not greater than 600 Oe when subjected to a prescribed molding test. The magnetic powder can be obtained by mixing a fine ferrite powder of an average particle diameter of greater than 0.50 to 1.0 ?m and a coarse ferrite powder of an average particle diameter of greater than 2.50 to 5.0 ?m at ratio to incorporate the fine powder at a content ratio of 15-40 wt %.

Abstract: The long magnet includes a magnet block made of a mixture of rare earth magnetic powder, thermoplastic resin particles, fluidity additive, pigment, wax and charge control agent, and a reinforcing member to reinforce the magnet block. At least part of the reinforcing member is arranged inside of the magnet block.

Abstract: Chemically cross-linked polymeric particles are formed using mechanical rather than chemical processes, facilitating production of small-diameter particles in a manner largely independent of the viscosity or density of the polymer. For example, an uncross-linked resin may be provided in particulate form, agglomerated, and compressed into a mass of a desired shape with a desired diameter, and subsequently cross-linked.

Abstract: The objects of the present invention are to provide a durable magnetic field molding device for producing molded bodies for ferrite magnets, which needs a controlled amount of releasing agent, reduces production cost and improves productivity, and die and magnetic field molding method. The lower die 12B of the die 12 is coated, on the surface which defines the cavity 11, with the coating film 30 with a high hardness and a low friction coefficient, which improves resistance of the lower die 12B surface to wear by the solid component (fine powder) in the slurry, thereby greatly improving durability of the coating film 30 itself and reducing lubricant usage.

Abstract: In a developing device for an image forming apparatus of the present invention, use is made of a magnetic molding produced by compression-molding a magnet compound material in a magnetic field. The magnet compound material contains, in addition to magnetic powder and fine, thermoplastic resin grains that are major components, at least one of a pigment and a charge control agent.

Abstract: A method of manufacturing a flux ring for an electric motor which has a ring with an anchoring mechanism. The ring is placed inside of a die. A first isotropic magnetic material is added into the die such that the anchoring mechanism secures the first isotropic magnetic material onto the ring. A second anisotropic magnetic material is added into the die adjacent the first isotropic magnetic material. The anchoring mechanism secures the second anisotropic magnetic material onto the ring.

Abstract: Thermoplastic compositions containing metal materials and a method for preparing the same. The compositions are formed into particles having diameters suitable for a rotational thermoforming processing. The compositions are particularly applicable for use in slush molding processes where efficient heat transfer to the material is desired to form improved surface quality thermoplastic skin. A preferred method for preparing thermoplastic compositions containing metal material into a slush moldable powder comprises melt compounding the composition to form pellets, and further processing the pellets by cryogenic pulverization. A preferred method for forming micropellets uses an extruder having a gear pump to increase the melt pressure.

Abstract: Chemically cross-linked polymeric particles are formed using mechanical rather than chemical processes, facilitating production of small-diameter particles in a manner largely independent of the viscosity or density of the polymer. For example, an uncross-linked resin may be provided in particulate form, agglomerated, and compressed into a mass of a desired shape with a desired diameter, and subsequently cross-linked.

Abstract: A method of producing three-dimensional particle structures with enhanced magnetic susceptibility in three dimensions by applying a triaxial energetic field to a magnetic particle suspension and subsequently stabilizing said particle structure. Combinations of direct current and alternating current fields in three dimensions produce particle gel structures, honeycomb structures, and foam-like structures.