Electronic component

Patent metadata

Field	Value
Publication number	US-10249431-B2
Application number	US-201715450541-A
Country	US
Kind code	B2
Filing date	Mar 6, 2017
Priority date	Apr 21, 2016
Publication date	Apr 2, 2019
Grant date	Apr 2, 2019

Abstract

An electronic component includes a first outer electrode, a second outer electrode, a third outer electrode, and a fourth outer electrode which are provided to correspond to four corners of a second main surface; a fifth outer electrode which is provided on the second main surface; a multilayer body; a first inductor which includes a first end portion and a second end portion; and a first surface mounted electronic component which is mounted on the multilayer body and which includes a sixth outer electrode and a seventh outer electrode. The first end portion is electrically connected to the first outer electrode. The second end portion is electrically connected to the second outer electrode and the sixth outer electrode. The seventh outer electrode is electrically connected to the fifth outer electrode.

First claim

What is claimed is:

1. An electronic component comprising:
a substrate which includes a first main surface and a second main surface each having substantially a rectangular shape;
a first outer electrode, a second outer electrode, a third outer electrode, and a fourth outer electrode which are provided on the second main surface to correspond to four corners of the second main surface;
a fifth outer electrode which is provided on the second main surface;
a multilayer body which includes a third main surface and a fourth main surface, the third main surface being arranged facing the first main surface, and which has a structure in which a plurality of insulating layers are laminated in a normal direction of the first main surface;
a first inductor which is provided at the multilayer body, which has substantially a helical shape circulating in a first predetermined direction when viewed from the normal direction, and which includes a first end portion and a second end portion; and
a first surface mounted electronic component which is mounted on the fourth main surface and which includes a sixth outer electrode and a seventh outer electrode,
wherein the first end portion is electrically connected to the first outer electrode,
wherein the second end portion is electrically connected to the second outer electrode and the sixth outer electrode,
wherein the seventh outer electrode is electrically connected to the fifth outer electrode,
wherein the sixth outer electrode, the seventh outer electrode, and the fifth outer electrode are arranged in a line when viewed from the normal direction, and
wherein the first surface mounted electronic component does not overlap a center of the first inductor when viewed from the normal direction.

2. The electronic component according to claim 1 ,
wherein a center of the fifth outer electrode does not overlap an intersection of diagonal lines on the second main surface.

3. The electronic component according to claim 1 ,
wherein the fifth outer electrode is connected to ground.

4. The electronic component according to claim 1 ,
wherein the first inductor includes one or more first inductor conductive layers each having substantially a spiral shape when viewed from the normal direction.

5. The electronic component according to claim 4 ,
wherein the one or more first inductor conductive layers include one or more second inductor conductive layers extending from an outer peripheral side toward an inner peripheral side while circulating in the first predetermined direction when viewed from the normal direction and one or more third inductor conductive layers extending from an inner peripheral side toward an outer peripheral side while circulating in the first predetermined direction when viewed from the normal direction,
wherein an end portion on an inner peripheral side of one of the second inductor conductive layers and an end portion on an inner peripheral side of one of the third inductor conductive layers are electrically connected,
wherein the first end portion is an end portion on an outer peripheral side of one of the second inductor conductive layers, and
wherein the second end portion is an end portion on an outer peripheral side of one of the third inductor conductive layers.

6. The electronic component according to claim 1 , further comprising:
a second inductor which is provided at the multilayer body, which has substantially a helical shape circulating in a second predetermined direction when viewed from the normal direction, and which includes a third end portion and a fourth end portion; and
a second surface mounted electronic component which is mounted on the fourth main surface and which includes an eighth outer electrode and a ninth outer electrode,
wherein the first outer electrode and the fourth outer electrode are positioned diagonally, and the second outer electrode and the third outer electrode are positioned diagonally,
wherein the third end portion is electrically connected to the third outer electrode,
wherein the fourth end portion is electrically connected to the fourth outer electrode and the eighth outer electrode,
wherein the ninth outer electrode is electrically connected to the fifth outer electrode,
wherein the eighth outer electrode, the ninth outer electrode, and the fifth outer electrode are arranged in a line, and
wherein the second surface mounted electronic component does not overlap a center of the second inductor when viewed from the normal direction.

7. An electronic component comprising:
a substrate which includes a first main surface and a second main surface each having substantially a rectangular shape;
a first outer electrode, a second outer electrode, a third outer electrode, and a fourth outer electrode which are provided on the second main surface to correspond to four corners of the second main surface;
a fifth outer electrode which is provided on the second main surface;
a multilayer body which includes a third main surface and a fourth main surface, the third main surface being arranged facing the first main surface, and which has a structure in which a plurality of insulating layers are laminated in a normal direction of the first main surface;
a first inductor which is provided at the multilayer body, which has substantially a helical shape circulating in a first predetermined direction when viewed from the normal direction, and which includes a first end portion and a second end portion; and
a first surface mounted electronic component which is mounted on the fourth main surface and which includes a sixth outer electrode and a seventh outer electrode,
wherein the first end portion is electrically connected to the first outer electrode,
wherein the second end portion is electrically connected to the second outer electrode and the sixth outer electrode,
wherein the fifth outer electrode and the seventh outer electrode overlap when viewed from the normal direction,
wherein the seventh outer electrode is electrically connected to the fifth outer electrode, and
wherein the first surface mounted electronic component does not overlap a center of the first inductor when viewed from the normal direction.

8. The electronic component according to claim 7 ,
wherein a center of the fifth outer electrode does not overlap an intersection of diagonal lines on the second main surface.

9. The electronic component according to claim 7 ,
wherein the fifth outer electrode is connected to ground.

10. The electronic component according to claim 7 ,
wherein the first inductor includes one or more first inductor conductive layers each having substantially a spiral shape when viewed from the normal direction.

11. The electronic component according to claim 10 ,
wherein the one or more first inductor conductive layers include one or more second inductor conductive layers extending from an outer peripheral side toward an inner peripheral side while circulating in the first predetermined direction when viewed from the normal direction and one or more third inductor conductive layers extending from an inner peripheral side toward an outer peripheral side while circulating in the first predetermined direction when viewed from the normal direction,
wherein an end portion on an inner peripheral side of one of the second inductor conductive layers and an end portion on an inner peripheral side of one of the third inductor conductive layers are electrically connected,
wherein the first end portion is an end portion on an outer peripheral side of one of the second inductor conductive layers, and
wherein the second end portion is an end portion on an outer peripheral side of one of the third

Assignees

• Murata Manufacturing Co

Inventors

• Ishida Kosuke
• Sasaki Katsufumi

Classifications

• H01G4/30

  Stacked capacitors (H01G4/33 takes precedence) · CPC title

• H03H1/00

  Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network (constructional details of electromechanical transducers H03H9/00) · CPC title

• H01F2027/2809

  on stacked layers · CPC title

• H01G2/065

  for surface mounting, e.g. chip capacitors · CPC title

• H01F27/292

  Surface mounted devices · CPC title