An Fe-base, soft magnetic alloy is disclosed. The alloy has the general formula Fe.sub.100 a-b-c-d-x-y M.sub.aM.sub.bM.sub.cM.sub.dP.sub.xMn.sub.y where M is Co and/or Ni, M is one or more of Zr, Nb, Cr, Mo, Hf, Sc, Ti, V, W, and Ta, M is one or more of B, C, Si, and Al, and M' is selected from the group consisting of Cu, Pt, Ir, Zn, Au, and Ag. The subscripts a, b, c, d, x, and y represent the atomic proportions of the elements and have the following atomic percent ranges:

0a10,

0b7,

5c20,

0d5,

0.1x15, and

0.1y5.

The balance of the alloy is iron and usual impurities. Alloy powder, a magnetic article made therefrom, and an amorphous metal article made from the alloy are also disclosed.

Soft magnetic alloy particles according to the present disclosure include nanocrystals and amorphous phase and Fe (iron) and Ge (germanium). An average content of Ge in the amorphous phase is Ge(a) (at %) and an average content of Ge in the nanocrystal is Ge(c) (at %), and Ge(a)?Ge(c)>0.

A method for producing a magnetic core includes a processing step of giving a desired shape to a strip made of an alloy composition, a heat-treating step of forming bcc-Fe crystals, and then a stacking step of obtaining a magnetic core having a shape. Here, the alloy composition is FeBSiPCuC and has an amorphous phase as a primary phase. In the heat-treating step, the strip is heated up to a temperature higher than a crystallization temperature of the alloy composition at a high heating rate.

To provide a low-power-consumption information processing method, information processing apparatus, and magnetic element that, without requiring power for input, can be used as an independent information processing device (such as a sensor) with no power supply, can be made compact, and can be implemented at low cost. A magnetic body layer 3 made of one or a plurality of magnetic bodies 4 is provided on an elastically deformable substrate 2, a magnetization orientation of the magnetic body responding to strain, a magnetization state including at least the magnetization orientation of the magnetic body 4 constituting the magnetic body layer 3 is detected by a detection device, and information on the magnetization state is output as a result of an input of strain to the substrate.

A magnetic powder includes an insulating layer formed of a polymer material which is directly coated on a powder particle core having magnetic properties. An inductor containing the same is also provided. The magnetic powder does not include a separate inorganic insulating layer between the powder particle core and the insulating layer, the insulating layer has a relatively uniform thickness, and a body formed using the magnetic powder does not contain a separate binder or curing agent, such that a high permeability and an excellent Q factor may be implemented.

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 receiving antenna of a wireless power receiving apparatus for wireless power charging according to one embodiment of the present invention comprises: a substrate; a soft magnetic layer disposed on the substrate; and a receiving coil which is wound in parallel with a plane of the soft magnetic layer and is embedded on one surface of the soft magnetic layer, wherein at least one surface of the receiving coil is slantly embedded on the one surface of the soft magnetic layer.

A method for producing soft magnetic strip material for roll tape-wound cores with the following steps: preparing a band-shaped material, applying a heat-treatment temperature to the band-shaped material, and applying a tensile force to the temperature-applied band-shaped material in one longitudinal direction of the band-shaped material in order to produce a tensile stress in the band-shaped material, to produce the soft magnetic strip material from the band-shaped material, the method, moreover, comprising determining at least one magnetic measurement value of the soft magnetic strip material that has been produced and controlling the tensile force for setting the tensile stress in a reaction to the determined magnetic measurement value. Furthermore, a device for carrying out the method and a roll tape-wound core produced by means of the method are made available.

An alloy composition is composed essentially of Hf.sub.2-XZr.sub.XCo.sub.11B.sub.Y, wherein 0<X<2 and 0<Y1.5. Moreover, an alloy composition is composed essentially of ferromagnetic Hf.sub.2-XZr.sub.XCo.sub.11B.sub.Y, wherein 0X<2 and 0<Y1.5, and has a nanoscale crystalline structure comprising at least one non-equilibrium phase. The alloys can be melt-spun with in-situ and/or ex-situ annealing to produce the nanoscale crystalline structure.

The present disclosure relates to a magnetic multilayer composite that may include a core substrate layer, an outer magnetic layer overlying a first surface of the core substrate layer, and an inner magnetic layer underlying a second surface of the core substrate layer. The composite may include a magnetic volume ratio V.sub.M/V.sub.S of at least about 0.005, where V.sub.M is equal to the total volume of magnetic material in the composite and V.sub.S is the total volume of substrate. The composite may further include a permeability rating (X, Y), where the permeability rating (X, Y) is equal to a peak point (X, Y) along a plot of the imaginary part of magnetic permeability () of the composite plotted as a function of frequency, where X is within the range of 10 MHz to 10 GHz, and Y is greater than 100.