Coil component

Patent metadata

Field	Value
Publication number	US-11605492-B2
Application number	US-201816185448-A
Country	US
Kind code	B2
Filing date	Nov 9, 2018
Priority date	Nov 13, 2017
Publication date	Mar 14, 2023
Grant date	Mar 14, 2023

Abstract

Disclosed herein is a coil component that includes a first coil part spirally wound in a plurality of turns, the first coil part including a first turn positioned at an innermost periphery and a second turn positioned on an outer peripheral side relative to the first turn; and a second coil part spirally wound in a plurality of turns, the second coil part including a third turn positioned at an innermost periphery and a fourth turn positioned on an outer peripheral side relative to the third turn. The first turn and the fourth turn are connected to each other, and the second turn and the third turn are connected to each other.

First claim

What is claimed is:

1. A coil component comprising:
a first coil part spirally wound in a plurality of turns, the first coil part including a first turn positioned at an innermost periphery of the first coil part and a second turn positioned on an outer peripheral side of the first coil part relative to the first turn, the first turn being wound substantially in one turn; and
a second coil part spirally wound in a plurality of turns, the second coil part including a third turn positioned at an innermost periphery of the second coil part and a fourth turn positioned on an outer peripheral side of the second coil part relative to the third turn, the third turn being wound substantially in one turn,
wherein the first turn and the fourth turn are connected to each other, and the second turn and the third turn are connected to each other,
wherein each of the turns of the first coil part other than the first turn is radially separated, by a first spiral-shaped slit, into a first line and a second line that is disposed at an outer peripheral side of the first line,
wherein each of the turns of the second coil part other than the third turn is radially separated, by a second spiral-shaped slit, into a first line and a second line that is disposed at an outer peripheral side of the first line,
wherein the first turn is a turn continued from the first line of the second turn, and
wherein the third turn is a turn continued from the first line of the fourth turn.

2. The coil component as claimed in claim 1 ,
wherein the first turn of the first coil part is connected to the second line of the fourth turn, and
wherein the third turn of the second coil part is connected to the second line of the second turn.

3. The coil component as claimed in claim 1 , wherein the first coil part is formed on one surface of an insulating substrate, and the second coil part is formed on an other surface of the insulating substrate.

4. The coil component as claimed in claim 3 , wherein the insulating substrate is transparent or translucent.

5. The coil component as claimed in claim 4 ,
wherein the plurality of turns constituting the first and second coil parts have a circumferential region in which a radial position is not changed and a shift region in which a radial position is shifted, and
wherein the circumferential regions of the plurality of turns constituting the first coil part and the circumferential regions of a plurality of turns constituting the second coil part coincide with each other in planar position.

Assignees

• Tdk Corp

Inventors

• Kaneko Shigeru
• Tomonari Toshio
• Hayama Junpei
• Moriki Tomohiro
• Chiyo Noritaka

Classifications

• H01F27/29

  Terminals; Tapping arrangements {for signal inductances} · CPC title

• H01F5/003 Primary

  Printed circuit coils · CPC title

• H01F27/2804 Primary

  Printed windings · CPC title

• H01F5/04

  Arrangements of electric connections to coils, e.g. leads · CPC title

• H01F27/006

  with special arrangement or spacing of turns of the winding(s), e.g. to produce desired self-resonance · CPC title