A method of producing a coated magnetic material, including: a coating procedure including mixing an aqueous solution containing a phosphate compound and a compound of a metallic element or a semimetallic element with a soft magnetic material to form a coating containing phosphate and the metallic element or the semimetallic element on a surface of the soft magnetic material; and a pH adjustment procedure including mixing an aqueous solution containing a phosphate compound and a compound of a metallic element or a semimetallic element with the soft magnetic material on which the coating is formed, and adjusting a pH of a mixture of the aqueous solution and the soft magnetic material on which the coating is formed to form a coating containing phosphate and the metallic element or the semimetallic element on a surface of the soft magnetic material on which the coating is formed.

The object of the present invention is to provide an alloy ribbon capable of having excellent adhesiveness between the alloy ribbons when a plurality of the alloy ribbons is stacked; and also, to provide a magnetic core using the alloy ribbon. The present invention is an alloy ribbon comprising metals scattered on at least one surface of the alloy ribbon, in which diameters of the scattered metals are 1 m or more, and the scattered metals include Cu.

A coating liquid for forming an insulation coating for grain-oriented electrical steel sheets, which contains boric acid and hydrated silicate particles containing aluminum, and a method for producing a grain-oriented electrical steel sheet comprising applying the coating liquid to a grain-oriented electrical steel sheet after final annealing, and then performing a baking treatment.

The present invention provides a magnetic core part by which failures such as cracks do not occur even if the magnetic core part contains 90% by mass or more of an amorphous metal powder. The magnetic core part is formed by thermoset molding at least one magnetic powder selected from an amorphous metal powder alone and an amorphous metal powder coated with an insulating material, and a thermosetting binder resin. The magnetic core part contains the magnetic powder in an amount of 90% by mass or more and 99% by mass or less with respect to the total amount of the magnetic powder and the thermosetting binder resin.

A coating liquid for forming an insulation coating for grain-oriented electrical steel sheets, which contains boric acid and hydrated silicate particles containing aluminum, a method for producing a grain-oriented electrical steel sheet comprising applying the coating liquid to a grain-oriented electrical steel sheet after final annealing, and then performing a baking treatment, and a grain-oriented electrical steel sheet.

A magnetic bead contains: a magnetic metal powder; and a coating layer with which a particle surface of the magnetic metal powder is coated. When the magnetic bead is left to stand in a state of a dispersion obtained by dispersing the magnetic bead in water, a time until an initial absorbance of the dispersion attenuates to 80% of an absorbance when the standing is started is 90 seconds or longer.

A magnetic component is adapted to be used in a power inductor. The magnetic component includes a magnetic body containing amorphous magnetic powders and/or nano-crystalline magnetic powders and at least one silicon-free glass material distributed among the amorphous magnetic powders and/or nano-crystalline magnetic powders; a coil embedded in the magnetic body; and a pair of electrodes electrically connected to two terminals of the coil, respectively.

Provided is a highly productive method for producing a magnetic sheet with a reduced number of times of unwinding and winding operations, and a method for producing a magnetic sheet with excellent magnetic characteristics and good isotropy. The method for producing a magnetic sheet includes a heat treatment process of heating an amorphous alloy ribbon to produce a nanocrystalline alloy ribbon, and a bonding process of bonding an adhesive layer to one surface of the nanocrystalline alloy ribbon. The heat treatment process involves bringing a ribbon pressing member into contact with a surface of the amorphous alloy ribbon opposite to a surface contacting a heater, and applying a tension of 18 MPa or less to the amorphous alloy ribbon. The bonding process is performed consecutively to the heat treatment process, and involves bonding an adhesive layer to one surface of the nanocrystalline alloy ribbon while conveying the nanocrystalline alloy ribbon.

This disclosure provides a method of producing an alloy strip laminate including applying an external force directly to an alloy strip of a first laminate member having an adhesive layer and the alloy strip, to form a crack in the alloy strip and prepare a first laminate including the adhesive layer and the cracked alloy strip, applying an external force directly to an alloy strip of a second laminate member having an adhesive layer and the alloy strip, to form a crack in the alloy strip and prepare at least one second laminate including the adhesive layer and the cracked alloy strip, and laminating the at least one second laminate on the first laminate to prepare an alloy strip laminate in which the adhesive layer, and the alloy strip with the crack formed are alternately layered; and a production apparatus for an alloy strip laminate.

A mixture for making a multilayer inductor, wherein the mixture comprises a first magnetic powder, a second magnetic powder, and a glass material, wherein each of the first magnetic powder and the second magnetic powder comprises an amorphous or nanocrystalline magnetic powder, wherein a softening point temperature of the glass material is in a range of 300430 C.