Laminated coil component
AssigneeTDK Corporation
InventorsNobuyuki Okuzawa, Munehiro Takaku, Kazuya Tobita, Teruhiro Mitsuyasu
Life of this patent
Estimating the term…
Abstract
A laminated coil component includes an element body, a first terminal electrode and a second terminal electrode, and a coil, the coil includes a first wiring portion, a second wiring portion, and a pillar portion, the pillar portion has a first pillar member and a second pillar member alternately laminated in a second direction, and an area of a first surface and an area of a second surface of the first pillar member are larger than an area of a first surface and an area of a second surface of the second pillar member, or smaller than the area of the first surface and the area of the second surface of the second pillar member.
Claims5
A laminated coil component comprising:
- an element body having a pair of end surfaces facing each other in a first direction, a mounting surface and a main surface facing each other in a second direction, and a pair of side surfaces facing each other in a third direction;
- a pair of terminal electrodes disposed on the mounting surface of the element body;
- and
- a coil disposed in the element body and electrically connected to the pair of terminal electrodes,
- wherein the coil includes a first wiring portion, a second wiring portion, and a connection portion that extends in the second direction and connects the first wiring portion with the second wiring portion, the first wiring portion being disposed between the main surface and the second wiring portion in the second direction, the second wiring portion being disposed between the mounting surface and the first wiring portion in the second direction,
- the connection portion has a first connection member and a second connection member that are in direct contact with each other and alternately laminated in the second direction,
- the first connection member has a first surface and a second surface that face each other in the second direction,
- the second connection member has a third surface and a fourth surface that face each other in the second direction, and
- an area of the first surface and an area of the second surface are larger than an area of the third surface and an area of the fourth surface, or smaller than the area of the third surface and the area of the fourth surface.
Dependencies are inferred from the claim text.