# US 2017/0256352 A1 · Electronic component

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- Number: US 2017/0256352 A1
- Document ID: US20170256352A1
- Status: Published application
- Kind: A1
- Application number: 15/432,197
- Filed: 2017-02-14
- Published: 2017-09-07
- Earliest claimed: 2016-03-04
- Assignees: Murata Manufacturing Co., Ltd.
- Applicants: Murata Manufacturing Co., Ltd.
- Inventors: Tomohiro KIDO
- Web page: https://patentgrep.com/patent/US20170256352A1

## CPC

- H01F 27/292: {Surface mounted devices}
- H01F 17/0013: {with stacked layers}
- H01F 27/2804: {Printed windings}
- H01F 27/2809: {on stacked layers}
- H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES

## Abstract

An electronic component includes insulator layers having first and second sides respectively extending in first and second directions from a first point, and outer conductor layers extends in the first and second direction from the first point. Each of the outer conductor layers has second and third points. One of the outer conductor layers has a fixing portion inside a region having a third side connecting the second and third points, and fourth and fifth sides respectively extending from the second point in the reverse first direction and from the third point in the reverse second direction.

## Claims

### Claim 1

An electronic component comprising:
a multilayer body including a plurality of insulator layers stacked in a stacking direction, the insulator layers each having a substantially rectangular principal face that has a first side and a second side, the first side on a line extending in a first direction from a first point, the second side on a line extending in a second direction from the first point, the second direction being substantially perpendicular to the first direction;
an outer electrode including a plurality of outer conductor layers that, when viewed in the stacking direction, extends along the first direction and the second direction from the first point, the outer conductor layers being exposed from the multilayer body;
an inductor having a substantially helical configuration where a central axis extends in the stacking direction, the inductor including a plurality of inductor conductor layers disposed on the different insulator layers each other; and
a lead conductor layer that connects one of the outer conductor layers with one of the inductor conductor layers, wherein each of the outer conductor layers has a first portion located farthest from the first point along the first direction in an uninterruptedly extending part of the outer conductor layer from the first point along the first direction,
wherein the first portion has a second point located farthest from the first point along the second direction,
wherein each of the outer conductor layers has a second portion located farthest from the first point along the second direction in an uninterruptedly extending part of the outer conductor layer from the first point along the second direction,
wherein the second portion has a third point located farthest from the first point along the first direction,
wherein the outer conductor layers include a first outer conductor layer, and
wherein the first outer conductor layer has a fixing portion different from the lead conductor layer, the fixing portion being located inside a first region of a substantially triangular shape having a third side, a fourth side, and a fifth side, the third side connecting the second point with the third point, the fourth side extending from the second point in a reverse direction of the first direction, the fifth side extending from the third point in a reverse direction of the second direction.

### Claim 2 (depends on 1)

The electronic component according to claim 1,
wherein the first outer conductor layer has an L-shaped portion having a substantially L-shape, the L-shaped portion extending from the first point along the first direction and the second direction, and
wherein the first region comprises a region bounded by the L-shaped portion and the third side.

### Claim 3 (depends on 1)

The electronic component according to claim 1,
wherein the insulator layers include a first insulator layer on which the first outer conductor layer and a first inductor conductor layer that is one of the inductor conductor layers, and
wherein when viewed in the stacking direction, the first inductor conductor layer extends into a second region, the second region having a substantially rectangular shape with a diagonal that coincides with the third side.

### Claim 4 (depends on 1)

The electronic component according to claim 1,
wherein one of the insulator layers is located between the first outer conductor layer and one of the outer conductor layers that is adjacent to the first outer conductor layer in the stacking direction.

### Claim 5 (depends on 1)

The electronic component according to claim 1,
wherein the insulator layers and the outer conductor layers are arranged alternately in the stacking direction.

### Claim 6 (depends on 4)

The electronic component according to claim 4,
wherein the outer electrode further includes an interlayer connection conductor, the interlayer connection conductor extending through one of the insulator layers in the stacking direction and connecting two of the outer conductor layers.

### Claim 7 (depends on 6)

The electronic component according to claim 6,
wherein the interlayer connection conductor is not exposed from the multilayer body.

### Claim 8 (depends on 6)

The electronic component according to claim 6,
wherein the outer conductor layer includes a plurality of the first outer conductor layers, and
wherein the fixing portions of the first outer conductor layers are connected by the interlayer connection conductor each other.

### Claim 9 (depends on 6)

The electronic component according to claim 6,
wherein the outer conductor layers includes three first outer conductor layers that are a second outer conductor layer, a third outer conductor layer, and a fourth outer conductor layer arranged in this order in the stacking direction,
wherein the outer electrode includes two interlayer connection conductors that are a first interlayer connection conductor and a second interlayer connection conductor,
wherein the first interlayer connection conductor connects the second outer conductor layer with the third outer conductor layer,
wherein the second interlayer connection conductor connects the third outer conductor layer with the fourth outer conductor layer,
wherein the first interlayer connection conductor and the second interlayer connection conductor do not overlap when viewed in the stacking direction.

### Claim 10 (depends on 1)

The electronic component according to claim 1,
wherein the outer electrode further includes an outer conductor film that covers a portion of the outer conductor layers exposed from the multilayer body.

### Claim 11 (depends on 1)

The electronic component according to claim 1,
wherein the first outer conductor layer does not cross the third side to extend out of the first region.

### Claim 12 (depends on 1)

The electronic component according to claim 1,
wherein one of the outer conductor layers and the one of the inductor conductor layers are disposed on a same one of the insulator layers.

### Claim 13 (depends on 1)

The electronic component according to claim 1,
wherein the fixing portion has an outer edge that connects the second point with the third point, and
wherein the outer edge has an irregularity.

### Claim 14 (depends on 13)

The electronic component according to claim 13,
wherein the irregularity is located substantially in a middle of the outer edge between the second point and the third point.

### Claim 15 (depends on 2)

The electronic component according to claim 2,
wherein the fixing portion protrudes from the L-shaped portion in one or both of the first direction and the second direction.

### Claim 16 (depends on 1)

The electronic component according to claim 1,
wherein the fixing portion has a frame-like configuration when viewed in the stacking direction.

### Claim 17 (depends on 1)

The electronic component according to claim 1,
wherein the fixing portion includes a portion having a substantially arcuate shape when viewed in the stacking direction.
