13results about "Liquid application" patented technology

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.

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 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.

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).

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.

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

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.