High performance inductors

Patent metadata

Field	Value
Publication number	US-11024454-B2
Application number	US-201615191203-A
Country	US
Kind code	B2
Filing date	Jun 23, 2016
Priority date	Oct 16, 2015
Publication date	Jun 1, 2021
Grant date	Jun 1, 2021

Abstract

Disclosed is an inductor device including a first curved metal plate, a second curved metal plate below and substantially vertically aligned with the first curved metal plate, and a first elongated via vertically aligned between the first curved metal plate and the second curved metal plate, the first elongated via configured to conductively couple the first curved metal plate to the second curved metal plate and having an aspect ratio of a width to a height of the first elongated via of at least approximately 2 to 1.

First claim

What is claimed is:

1. An inductor device, comprising:
a first curved metal plate;
a second curved metal plate below and substantially vertically aligned with the first curved metal plate, wherein the second curved metal plate is substantially vertically aligned with the first curved metal plate for an entire length of the second curved metal plate except a terminal end of the second curved metal plate;
a first elongated via vertically aligned between the first curved metal plate and the second curved metal plate, the first elongated via configured to conductively couple the first curved metal plate to the second curved metal plate and having an aspect ratio of a width to a height of the first elongated via of at least approximately 2 to 1;
a third curved metal plate below and substantially vertically aligned with the second curved metal plate; and
a second elongated via vertically aligned between the second curved metal plate and the third curved metal plate, the second elongated via configured to conductively couple the second curved metal plate to the third curved metal plate and having an aspect ratio of a width to a height of at least approximately 2 to 1,
wherein the inductor device has no more curved metal plates than the first curved metal plate, the second curved metal plate, and the third curved metal plate,
wherein each of the first curved metal plate, the second curved metal plate, and the third curved metal plate consists of a top metal layer and a bottom metal layer connected by a middle metal layer,
wherein the bottom metal layer of the first curved metal plate forms a first terminal end of the inductor device and the bottom metal layer of the third curved metal plate forms a second terminal end of the inductor device, and
wherein the inductor device has no more terminal ends than the first terminal end and the second terminal end.

2. The inductor device of claim 1 , wherein the first elongated via is completely within a vertical perimeter defined by an inside edge and an outside edge of the first curved metal plate.

3. The inductor device of claim 1 , wherein the first curved metal plate and the second curved metal plate are octagon shaped.

4. The inductor device of claim 1 , wherein the inductor device comprises one of a radio frequency (RF) front end module, a filter, or a power amplifier (PA).

5. The inductor device of claim 1 , further comprising a coreless substrate between the first curved metal plate and the second curved metal plate.

6. The inductor device of claim 1 , wherein the first curved metal plate and the second curved metal plate have approximately a same length.

7. The inductor device of claim 1 , wherein the inductor device is incorporated into a device selected from a group comprising a music player, a video player, an entertainment unit, a navigation device, a communications device, a mobile device, a mobile phone, a smartphone, a personal digital assistant, a fixed location terminal, a tablet computer, a computer, a wearable device, a laptop computer, a server, an automotive device in an automotive vehicle, an RF front end module, a filter, or a PA.

8. The inductor device of claim 1 , wherein each of the first elongated via and the second elongated via has squared ends.

9. The inductor device of claim 1 , wherein the first elongated via and the second elongated via are approximately a same length.

10. An inductor device, comprising:
a first conductive means;
a second conductive means below and substantially vertically aligned with the first conductive means, wherein the second conductive means is substantially vertically aligned with the first conductive means for an entire length of the second conductive means except a terminal end of the second conductive means;
a first elongated via vertically aligned between the first conductive means and the second conductive means, the first elongated via configured to conductively couple the first conductive means to the second conductive means and having an aspect ratio of a width to a height of the first elongated via of at least approximately 2 to 1;
a third conductive means below and substantially vertically aligned with the second conductive means; and
a second elongated via vertically aligned between the second conductive means and the third conductive means, the second elongated via configured to conductively couple the second conductive means to the third conductive means and having an aspect ratio of a width to a height of at least approximately 2 to 1,
wherein the inductor device has no more conductive means than the first conductive means, the second conductive means, and the third conductive means,
wherein each of the first conductive means, the second conductive means, and the third conductive means consists of a top metal layer and a bottom metal layer connected by a middle metal layer,
wherein the bottom metal layer of the first conductive means forms a first terminal end of the inductor device and the bottom metal layer of the third conductive means forms a second terminal end of the inductor device, and
wherein the inductor device has no more terminal ends than the first terminal end and the second terminal end.

11. The inductor device of claim 10 , wherein the first elongated via is completely within a vertical perimeter defined by an inside edge and an outside edge of the first conductive means.

12. The inductor device of claim 10 , wherein the inductor device comprises one of a radio frequency (RF) front end module, a filter, or a power amplifier (PA).

13. The inductor device of claim 10 , further comprising a coreless substrate between the first conductive means and the second conductive means.

14. The inductor device of claim 10 , wherein the first conductive means and the second conductive means have approximately a same length.

15. The inductor device of claim 10 , wherein the inductor device is incorporated into a device selected from a group comprising a music player, a video player, an entertainment unit, a navigation device, a communications device, a mobile device, a mobile phone, a smartphone, a personal digital assistant, a fixed location terminal, a tablet computer, a computer, a wearable device, a laptop computer, a server, an automotive device in an automotive vehicle, an RF front end module, a filter, or a PA.

Assignees

• Qualcomm Inc

Inventors

• Kim Daeik Daniel
• Velez Mario Francisco
• Yun Changhan Hobie
• Mudakatte Niranjan Sunil
• Kim Jonghae
• Zuo Chengjie
• Berdy David Francis

Classifications

• H01F17/0013 Primary

  with stacked layers · CPC title

• H01F2017/002

  Details of via holes for interconnecting the layers · CPC title

• H03F15/00

  Amplifiers using galvano-magnetic effects not involving mechanical movement, e.g. using Hall effect · CPC title

• H01F27/2847 Primary

  Sheets; Strips (H01F27/2866 takes precedence) · CPC title

• H03H7/0138

  Electrical filters or coupling circuits · CPC title