Inductor bridge and electronic device

Patent metadata

Field	Value
Publication number	US-9666352-B2
Application number	US-201514748615-A
Country	US
Kind code	B2
Filing date	Jun 24, 2015
Priority date	Feb 19, 2013
Publication date	May 30, 2017
Grant date	May 30, 2017

Abstract

An inductor bridge is provided with a flexible flat plate-shaped element body, a first connector, and a second connector. The element body includes therein an inductor portion. The inductor portion is configured by a spiral conductor pattern. The first connector is provided on the element body and is connected to a first circuit. The second connector is provided on the element body and is connected to a second circuit.

First claim

What is claimed is:

1. An inductor bridge comprising:
a flexible flat plate-shaped element body;
a first connecting portion that is provided on the element body and structured to be connected to a first circuit;
a second connecting portion that is provided on the element body and structured to be connected to a second circuit; and
an inductor portion that is connected between the first connecting portion and the second connecting portion; wherein
the inductor bridge is structured to bridge-connect the first circuit in contact with a first mounting circuit member and the second circuit in contact with a second mounting circuit member that is separate and distinct from the first mounting member; and
the inductor bridge is separate and district from each of the first mounting circuit member and the second mounting circuit member.

2. The inductor bridge according to claim 1 , wherein the first connecting portion is structured to be electrically connected to the first circuit by mechanical contact and the second connecting portion is structured to be electrically connected to the second circuit by mechanical contact.

3. The inductor bridge according to claim 1 , wherein
the element body is a laminate including a resin base material; and
the resin base material is made of a liquid crystal polymer.

4. The inductor bridge according to claim 1 , wherein the inductor portion includes a spiral conductor pattern of which a coil axis is oriented in a direction perpendicular or substantially perpendicular to a principal surface of the element body.

5. The inductor bridge according to claim 4 , wherein
the conductor pattern is provided over a plurality of layers; and
a plurality of conductor patterns that are provided on adjacent layers are arranged so as not to be overlapped with each other in a plan view.

6. The inductor bridge according to claim 4 , wherein
the conductor pattern is provided over a plurality of layers; and
a plurality of conductor patterns are connected in parallel to each other.

7. The inductor bridge according to claim 4 , further comprising a magnetic body arranged near the conductor pattern in the element body.

8. An electronic device comprising:
the inductor bridge according to claim 4 ;
the first circuit;
the second circuit;
the first mounting circuit member including the first circuit; and
the second mounting circuit member including the second circuit; wherein
the first mounting circuit member and the second mounting circuit member are provided at a different position in a height direction;
the second mounting circuit member includes a ground conductor pattern; and
the inductor bridge, when being bent, is connected between the first mounting circuit member and the second mounting circuit member in a state in which a coil axis of the inductor portion is arranged non-perpendicular to a face of the second mounting circuit member.

9. The inductor bridge according to claim 1 , wherein
the element body has a longer direction; and
the inductor portion includes a meander line-shaped conductor pattern of which lines that are adjacent to each other each extend in the longer direction of the element body.

10. The inductor bridge according to claim 1 , wherein
the element body has a shorter direction; and
the inductor portion includes a meander line-shaped conductor pattern of which lines that are adjacent to each other each extend in the shorter direction of the element body.

11. The inductor bridge according to claim 1 , wherein the inductor portion is a helical conductor pattern of which a coil axis is oriented in a direction parallel or substantially parallel to a principal surface of the element body.

12. The inductor bridge according to claim 1 , wherein
the first connecting portion is provided on a first end portion of the element body;
the second connecting portion is provided on a second end portion of the element body; and
the element body includes a bending portion between the first end portion and the second end portion.

13. The inductor bridge according to claim 12 , wherein
the bending portion is a portion to be bent along a line and is provided in a region in which the inductor portion is provided; and
the inductor portion has a shape of an ellipse of which a major axis is non-perpendicular to the line.

14. The inductor bridge according to claim 12 , wherein the bending portion is arranged at a position other than a line passing through a center of the inductor portion.

15. The inductor bridge according to claim 14 , wherein the bending portion includes an interlayer connection conductor.

16. The inductor bridge according to claim 1 , wherein the element body further includes two shield conductor patterns that interpose the inductor portion between the shield conductor patterns in a laminating direction.

17. The inductor bridge according to claim 1 , wherein
the inductor portion includes a conductor pattern of which a coil axis is oriented in a direction perpendicular or substantially perpendicular to a principal surface of the element body and which has a helical shape over a plurality of layers;
a plurality of conductor patterns are provided in a position in which the conductor patterns face each other between the layers; and
among the plurality of conductor patterns, a line width of the conductor pattern that is close to the first connecting portion on a path and a line width of the conductor pattern that is close to the second connecting portion on a path are thinner than a line width of the conductor patterns of other layers.

18. The inductor bridge according to claim 1 , wherein
the inductor portion includes a conductor pattern of which a coil axis is oriented in a direction perpendicular or substantially perpendicular to a principal surface of the element body and which has a helical shape over a plurality of layers;
a plurality of conductor patterns are provided in a position in which the conductor patterns face each other between the layers;
the plurality of conductor patterns includes:
a first conductor pattern that is close to the first connecting portion or the second connecting portion on a path; and
a second conductor pattern of a layer that is adjacent to the first conductor pattern; and

a distance between the first conductor pattern and the second conductor pattern is larger than a distance between the conductor patterns in other layers that are adjacent to the first conductor pattern.

19. An electronic device comprising:
the inductor bridge according to claim 1 ;
the first circuit; and
the second circuit; wherein
the first circuit and the second circuit are connected to each other through the inductor bridge.

20. The electronic device according to claim 19 , further comprising:
the first mounting circuit member including the first circuit; and
the second mounting circuit member including the second circuit; wherein
the first mounting circuit member and the second mounting circuit member are provided at a different position in a height direction; and
when the inductor bridge is bent, the first connecting portion is connected to the first mounting circuit member, and the second connecting portion is connected to the second mounting circuit member.

21. An electronic device comprising:
the inductor bridge according to claim 1 ; and
the first mounting circuit member including a planar conductor that is electrically connected to the first connecting portion; wherein
the inductor bridge fu

Assignees

• Murata Manufacturing Co

Inventors

• Yosui Kuniaki
• Kato Noboru
• Wakabayashi Yuki
• Okamoto Bunta
• Ikeda Naoto
• Kurihara Takeshi

Classifications

• H05K3/0061

  onto a metallic substrate, e.g. a heat sink (heat sinks for electric apparatus H05K7/20) · CPC title

• H01F2027/2809

  on stacked layers · CPC title

• H05K1/0218

  by printed shielding conductors, ground planes or power plane (H05K1/0236 takes precedence) · CPC title

• H01Q1/38

  formed by a conductive layer on an insulating support {(patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface  H01Q15/142)} · CPC title

• H05K2201/09263

  Meander · CPC title