H01F1/20

COMMUNICATION CABLE

Provided is a communication cable provided with a coating layer that contains a powdery magnetic material and that can suppress the occurrence of a powdery substance containing the magnetic material when processing the coating layer. A communication cable 1 includes a conductor 2, an insulating coating 3 that covers an outer circumstance of the conductor 2, and a magnetic sheath layer 8 that covers an outer side of the insulating coating 3, and the magnetic sheath layer 8 contains the magnetic material and the magnetic material has a particle shape with an average particle diameter of not more than 50 μm and an aspect ratio of not greater than 4.

SOFT MAGNETIC ALLOY POWDER, DUST CORE, AND COIL COMPONENT

A soft magnetic alloy powder contains soft magnetic alloy particles. The soft magnetic alloy particles contain Fe and Si. The soft magnetic alloy particles each include crystal grains and crystal grain boundary between the crystal grains. At least one of the crystal grains has a Si segregation part.

SOFT MAGNETIC ALLOY POWDER, DUST CORE, AND COIL COMPONENT

A soft magnetic alloy powder contains soft magnetic alloy particles. The soft magnetic alloy particles contain Fe and Si. The soft magnetic alloy particles each include crystal grains and crystal grain boundary between the crystal grains. At least one of the crystal grains has a Si segregation part.

MAGNETIC MATERIAL AND INDUCTOR

A magnetic material is formed of an aggregate of magnetic particles. When a magnetic particle is rotated by 360/n degrees (n is an any integer equal to or greater than 6) around a gravity center position of the magnetic particle in a planar region, an area of the magnetic particle after the rotation overlaps with an area of the magnetic particle before the rotation by 90% or more. In the planar region, gravity center positions of from nine to eleven magnetic particles are on a band portion in a rectangular shape. For the magnetic particles in the planar region, when a number-based 50% cumulative frequency distribution of maximum lengths in a direction passing through respective gravity center positions is defined as α, a 10% cumulative frequency distribution is equal to or greater than 0.6α, and a 90% cumulative frequency distribution is equal to or less than 1.4α.

MAGNETIC MATERIAL AND INDUCTOR

A magnetic material is formed of an aggregate of magnetic particles. When a magnetic particle is rotated by 360/n degrees (n is an any integer equal to or greater than 6) around a gravity center position of the magnetic particle in a planar region, an area of the magnetic particle after the rotation overlaps with an area of the magnetic particle before the rotation by 90% or more. In the planar region, gravity center positions of from nine to eleven magnetic particles are on a band portion in a rectangular shape. For the magnetic particles in the planar region, when a number-based 50% cumulative frequency distribution of maximum lengths in a direction passing through respective gravity center positions is defined as α, a 10% cumulative frequency distribution is equal to or greater than 0.6α, and a 90% cumulative frequency distribution is equal to or less than 1.4α.

MAGNETIC MATERIAL AND INDUCTOR

A magnetic material includes magnetic particles. When a magnetic particle is rotated by 360/n degrees (n is an any integer equal to or greater than 2) around a gravity center position of the particle in a planar region, an area of the particle after the rotation overlaps with an area of the particle before the rotation by 90% or more. In the planar region, gravity center positions of from nine to eleven particles are present on a band portion in a rectangular shape. For the particles in the planar region, when a number-based 50% cumulative frequency distribution of maximum lengths in a direction passing through respective gravity center positions is defined as α, a 10% cumulative frequency distribution is equal to or greater than 0.9α, and a 90% cumulative frequency distribution is equal to or less than 1.1α. A surface of the particle is covered with an insulating film.

MAGNETIC MATERIAL AND INDUCTOR

A magnetic material includes magnetic particles. When a magnetic particle is rotated by 360/n degrees (n is an any integer equal to or greater than 2) around a gravity center position of the particle in a planar region, an area of the particle after the rotation overlaps with an area of the particle before the rotation by 90% or more. In the planar region, gravity center positions of from nine to eleven particles are present on a band portion in a rectangular shape. For the particles in the planar region, when a number-based 50% cumulative frequency distribution of maximum lengths in a direction passing through respective gravity center positions is defined as α, a 10% cumulative frequency distribution is equal to or greater than 0.9α, and a 90% cumulative frequency distribution is equal to or less than 1.1α. A surface of the particle is covered with an insulating film.

Soft Magnetic Powder, Dust Core, Magnetic Element, And Electronic Device
20230235433 · 2023-07-27 ·

A soft magnetic powder contains a particle having a composition represented by Fe.sub.xCu.sub.aNb.sub.b(Si.sub.1-yB.sub.y).sub.100-x-a-b, and 0.3≤a≤2.0, 2.0≤b≤4.0, and 72.5≤x≤75.5, and y is a number satisfying f(x)≤y≤0.99, and f(x)=(4×10.sup.−34)×17.56. The particle includes a crystal grain having a grain size of 1.0 nm to 30.0 nm, a Cu segregation portion, and a crystal grain boundary. A content proportion of the crystal grain is 30% or more. When the Cu segregation portion positioned in a surface layer portion and having a grain size of 1.0 nm to 5.0 nm is referred to as a first Cu segregation portion, and the Cu segregation portion positioned in an inner portion and having a grain size of 3.0 nm to 10.0 nm is referred to as a second Cu segregation portion, a number proportion of the first Cu segregation portion is 80% or more, and a number proportion of the second Cu segregation portion is 80% or more.

Soft Magnetic Powder, Dust Core, Magnetic Element, And Electronic Device
20230235433 · 2023-07-27 ·

A soft magnetic powder contains a particle having a composition represented by Fe.sub.xCu.sub.aNb.sub.b(Si.sub.1-yB.sub.y).sub.100-x-a-b, and 0.3≤a≤2.0, 2.0≤b≤4.0, and 72.5≤x≤75.5, and y is a number satisfying f(x)≤y≤0.99, and f(x)=(4×10.sup.−34)×17.56. The particle includes a crystal grain having a grain size of 1.0 nm to 30.0 nm, a Cu segregation portion, and a crystal grain boundary. A content proportion of the crystal grain is 30% or more. When the Cu segregation portion positioned in a surface layer portion and having a grain size of 1.0 nm to 5.0 nm is referred to as a first Cu segregation portion, and the Cu segregation portion positioned in an inner portion and having a grain size of 3.0 nm to 10.0 nm is referred to as a second Cu segregation portion, a number proportion of the first Cu segregation portion is 80% or more, and a number proportion of the second Cu segregation portion is 80% or more.

COIL COMPONENT

A coil component includes an element body, a coil and a first electrode part. The element body includes a main surface which is used as a mounting surface. The coil is disposed in the element body. The first electrode part is embedded in the element body and electrically connected to the coil. The first electrode part includes a first surface exposed from the main surface and a second surface opposing the first surface. An area of the first surface is larger than an area of the second surface when viewed from a direction orthogonal to the first surface.