24results about "Liquid application" patented technology

Methods and systems for producing iron from an iron-containing ore and removing impurities found in the iron-containing ore are disclosed. For example, a method for producing iron comprises providing a feedstock having an iron-containing ore and one or more impurities to a dissolution subsystem comprising a first electrochemical cell; producing an iron-rich solution, in the dissolution subsystem; treating the iron-rich solution to remove at least a portion of one or more impurities by raising a pH of the iron-rich solution from an initial pH to an adjusted pH thereby precipitating at least a portion of the one or more impurities in the treated iron-rich solution; delivering the treated iron-rich solution to an iron-plating subsystem having a second electrochemical cell; second electrochemically reducing at least a first portion of the transferred formed Fe2+ ions to Fe metal; and removing the Fe metal from the second electrochemical cell thereby producing iron.

The present invention relates to an aluminum alloy disc blank for a magnetic disc, characterized by being formed of an aluminum alloy containing Mg: 3.40 to 3.90 mass%, the balance consisting of Al and unavoidable impurities, the aluminum alloy disc blank for a magnetic disc having an electrical conductivity of 36.0% IACS or more.

Coatings comprising iron alloys that include iron and at least another metal (e.g., cobalt and / or nickel) for wireless recharging devices are generally described. The coatings may be directly applied to a substrate, such as a print circuit board.

The application belongs to the technical field of electronic information materials, and specifically provides a method for preparing M-type barium ferrite monocrystal thin film under low temperature conditions; the method is characterized by innovative design of liquid phase raw materials and strict design of liquid phase epitaxy process parameters, and can grow the M-type barium ferrite monocrystal thin film with excellent performance on SGGG (111) substrate by liquid phase epitaxy method under low temperature conditions of 830-850 DEG C, which is not only simple in process and low in cost, but also has high crystallization quality, no impurities and defects. The M-type barium ferrite monocrystal thin film prepared by the method is a single crystal material, the film thickness is up to 150 mu m, the saturation magnetization is about 4500 Oe, the remanence is about 1000 Oe, the easy magnetization axis (c axis) is perpendicular to the film surface, has high uniaxial magnetic crystal anisotropy field, and is very beneficial to realize self-bias design of the device.

The application provides a preparation method of wear-resistant chemical nickel-boron alloy plating of a neodymium-iron-boron rare earth permanent magnet material, and comprises the following steps: S1, ultrasonic cleaning: in order to remove small metal powder and impurities in the pores of the surface of the part, the part is placed into an ultrasonic cleaning machine, and the part is ultrasonically cleaned with type B pure water for 15-20 minutes, and the ultrasonic cleaning temperature is 10-40 DEG C; S2, magnesium oxide oil removal: in order to completely remove the oil stains of the part, clean soft hair brushes are used to carefully wipe the surface to be plated with magnesium oxide powder for 2-3 times. The application provides a preparation method of wear-resistant chemical nickel-boron alloy plating of a neodymium-iron-boron rare earth permanent magnet material, and the material is subjected to acid corrosion, activation, nickel immersion and chemical nickel-boron plating processes, and then vacuum heat treatment is performed, so that the problem of low corrosion resistance and easy chipping of the neodymium-iron-boron rare earth permanent magnet material is solved, the surface hardness of the part is improved, and the function and service life of the product are increased.

An electroplating method for enhancing the performance of rolled-up passive components comprises providing an array of rolled-up passive components on a substrate, where each rolled-up passive component comprises a multilayer strip in a rolled configuration including multiple turns spaced apart by gaps. The multilayer strip comprises a conductive pattern layer on a strain-relieved layer, and a core of each rolled-up passive component is defined by a first of the multiple turns. A layer comprising a functional material is electroplated onto the conductive pattern layer of each rolled-up passive component, thereby at least partly filling the gaps and / or the core with the functional material.

A pinched hybrid magnetic material and means of making said pinched hybrid material. The material comprises at least one magnetic material having at least one internal porous insulative layer; wherein, at least one of the voids is pinched off and filled with environmental material. The pinched voids are created by an electroless plating process.

Aspects of the present disclosure include systems, structures, circuits, and methods providing planar transformers and planar transformer structures. The planar transformers and transformer structures can include first and second core layers of soft ferromagnetic material on opposite sides of an electrical substrate. First and second coils can be configured as conductive traces disposed on the opposite sides of the substrate. The first and second soft ferromagnetic layers are in contact in a contact region. One or more holes are disposed in either or both of the soft ferromagnetic layers and contain soft ferromagnetic material to reduce reluctance of the transformer structure. The planar transformer can be included in integrated circuit (chip) packages or modules. The packages and modules may include various types of circuits; in some examples, chip packages or modules may include a gate driver or other high voltage circuit.

A MOD YIG epitaxial process for fabricating YIG nanofilms which, when deposited on GGG substrates, have single crystal epitaxial properties. The films may have thicknesses of 50 nm for a single layer, 100 nm for two layers, and 130 nm for three layers, and have a gyromagnetic ratio of 2.80 MHz per Oe, Gilbert damping ranges from 0.0003 to 0.001, 4πM$ values between 1650 G to 1780 G, coercivity from 1 Oe. to 5 Oe, and surface roughness of RMS 0.20 nm for up to 10 layers. Fabrication is economical and uses only a spinner, a drying station (RT to 150 C temperature control), and a quartz tube furnace that accommodates a flowing atmosphere of research grade oxygen, thereby eliminating the need for high vacuum deposition chambers.

A hybrid magnetic material comprising at least one magnetic material having at least one internal porous insulative layer; and wherein, at least one of the magnetic materials fills the voids of the internal porous insulative layer. The hybrid material blends core metals and insulation layers in a manner so that the resulting material operates as a single layer material with its own unique conductivity; skin effect; B-H curve; B SAT parameters; and a unique and strong directional impedance. By using a porous insulation layer, metal layers may be bonded together through insulation layers, and this allows rapid low cost formation of the hybrid material. The hybrid material may be used to form small low-cost cores capable of handling high frequency applications.

Provided are a method and device for recognizing gait information using a plurality of magnetic sensors. The method for recognizing gait information generates a magnetic sensing signal from a magnetic paint painted on the ground, generates a frequency-converted signal using the magnetic sensing signal, and generates gait information using the frequency-converted signal.

Provided is an electromagnetic wave shielding material that can satisfactorily suppress cracks or the like during use (especially during bending) as an electromagnetic wave shielding material. The electromagnetic wave shielding material including a laminate having at least one non-magnetic conductive metal layer and at least one ferromagnetic layer laminated together, wherein at least one outermost layer of the laminate is the non-magnetic conductive metal layer, and wherein, when the electromagnetic wave shielding material is bent at a radius of curvature of 0.1 mm with an outermost non-magnetic conductive metal layer outside, a bending neutral axis is located within a thickness of the outermost non-magnetic conductive metal layer.

Method for the production of a core-shell-shell FeCo / SiO2 / MnBi nanoparticle comprising: a) Joint reduction of an iron ion and a cobalt ion from a common solution; and joint precipitation of an FeCo alloy nanoparticle; Isolating the FeCo nanoparticle from the reduction mixture; b) Forming a silicon dioxide coating on the FeCo nanoparticle to obtain a core-shell nanoparticle, wherein the nanoparticles are treated with tetraethyl orthosilicate in a water-ethanol mixture using triethylamine as a basic catalyst; and c) Forming a MnBi alloy nanocoating on the core-jacket nanoparticle by reducing Bi ions through a Mn-lithium borohydride complex by precipitation from a solution as a MnBi alloy onto the silicon dioxide jacket; the formation of the MnBi alloy nanocoating c) is carried out in a magnetic field of 0.005 T (50 Gauss) to 0.08 T (800 Gauss).

Utilizing hybrid materials in a current sensing transformer with primary to secondary coil ratios greater than one is possible and practical. The ease of manufacture associated with this method allows almost any inductor of any size to be converted into a current sensing transformer without significantly increasing the size, cost, or time of manufacture or affecting the performance of the inductor itself. The result is low-cost, high-performance AC and DC current sense components.

Methods and systems for dissolving an iron-containing ore are disclosed. For example, a method of processing and dissolving an iron-containing ore comprises: thermally reducing one or more non-magnetite iron oxide materials in the iron-containing ore to form magnetite in the presence of a reductant, thereby forming thermally-reduced ore; and dissolving at least a portion of the thermally-reduced ore using an acid to form an acidic iron-salt solution; wherein the acidic iron-salt solution comprises protons electrochemically generated in an electrochemical cell.

An embedding method and embedded structure for a magnetic transformer, an electronic device and a storage medium are disclosed. The method includes: providing a copper-clad substrate; electroplating on surfaces of the copper-clad substrate to form a coil; laminating prepregs and copper sheets to form a first substrate; drilling the first substrate to define a first and second through hole; filling a magnetic material in the first through holes to form first embedded magnets; forming a metal layer on an inner wall of the second through hole and surfaces of the first substrate; manufacturing conductive pillars and sacrificial blocks; laminating insulating layers; etching the sacrificial block to define cavities; filling a magnetic material in the cavities to form second embedded magnets; and manufacturing a circuit and a solder resist layer on surfaces of the insulating layer to form a package substrate.

Coatings comprising iron alloys that include iron and at least another metal (e.g., cobalt and / or nickel) for wireless recharging devices are generally described. The coatings may be directly applied to a substrate, such as a print circuit board.

A walking information recognition method and device using a plurality of magnetic sensors are provided. The walking information recognition method includes generating a magnetic induction signal from a magnetic paint applied to a floor, generating a frequency conversion signal using the magnetic induction signal, and generating walking information using the frequency conversion signal.

To provide a magnet having a high surface magnetic flux density, a small device, a microactuator and a sensor.SOLUTION: A method for manufacturing an SmCo-based magnet has a Co base material, an Sm2Co17 film on the Co base material, and an SmCo5 film on the Sm2Co17 film. The method for manufacturing the SmCo-based magnet includes a reaction diffusion step for acquiring a laminate having the Co base material and an SmCo2 film formed on the Co base material by immersing the Co base material containing an Sm source to perform reaction diffusion, and a heating step for reacting the Co base material and the SmCo2 film by heating the laminate to form the Sm2Co17 film and the SmCo5 film.SELECTED DRAWING: Figure 1

The present invention relates to a closed hybrid magnetic material and a method for fabricating the same, which includes at least one magnetic material having at least one inner porous insulating layer, at least one of the voids being closed and filled with an environmental material, and the closed voids are formed by an electroless plating process.

The invention discloses modified magnetic metal nanoparticles and a preparation method thereof, liquid metal-based magnetic fluid and application thereof, and belongs to the technical field of new materials and application thereof. The modified magnetic metal nanoparticles comprise magnetic metal nanoparticles and a tin shell, and the tin shell coats the magnetic metal nanoparticles. And the modified magnetic metal nanoparticles are mixed with liquid metal, the liquid metal-based magnetic fluid is obtained, and the liquid metal is gallium indium tin alloy. And based on the mass ratio of the modified magnetic metal nanoparticles, the mass fraction is in the range of 12.5 wt%-20 wt%. The liquid metal-based magnetic fluid can be applied to a magnetically controllable writing circuit. The invention further provides a stretchable flexible sensor based on the liquid metal-based magnetofluid and a manufacturing method of the stretchable flexible sensor. The stretchable flexible sensor is applied to detection of the motion state of a human body.

A device includes a dielectric layer having a first surface and a second surface. The device also includes a first set of high-aspect ratio electroplated structures disposed on the first surface of the dielectric layer and a second set of high-aspect ratio electroplated structures disposed on the second surface of the dielectric layer opposite the first set of high-aspect ratio electroplated structures.

To provide an embedding method for a magnetic transformer, which can effectively embed the transformer inside a package substrate to reduce a size of the package substrate.SOLUTION: A method includes the steps of: acquiring a copper-clad substrate and forming a coil on surfaces of the copper-clad substrate by plating; laminating prepregs and copper sheets on the surfaces of the copper-clad substrate to form a first substrate; drilling the first substrate to form first vias and filling a magnetic material in the first vias to form first embedded magnets; drilling the first substrate to form a second via and forming a metal layer on an inner wall of the second via and the surfaces of the first substrate; manufacturing conductive posts and sacrificial blocks on a surface of the metal layer and laminating an insulating layer on the surfaces of the first substrate; etching the sacrificial blocks to form cavities and filling a magnetic material in the cavities to form a second embedded magnet; and manufacturing wiring and a solder resist layer on a surface of the insulating layer to form a package substrate.SELECTED DRAWING: Figure 1