Circuit and connector element alignment, circuit board assemblies

Patent metadata

Field	Value
Publication number	US-12369253-B2
Application number	US-202217952895-A
Country	US
Kind code	B2
Filing date	Sep 26, 2022
Priority date	Sep 26, 2022
Publication date	Jul 22, 2025
Grant date	Jul 22, 2025

Abstract

This disclosure includes multiple assemblies, sub-assemblies, etc., as well as one or more methods of fabricating same. For example, a first assembly includes a first circuit board. The first circuit board further includes first connector elements disposed on a first edge of the first circuit board and second connector elements disposed on a second edge of the first circuit board. The first edge may be disposed substantially opposite the second edge on the first circuit board. The apparatus may further include first circuitry affixed to the first circuit board. The first edge of the first circuit board aligns with a first axial end of the first circuitry and the second edge of the first circuit board aligns with a second axial end of the first circuitry. The first assembly is used to fabricate a second assembly.

First claim

The invention claimed is:

1. A first assembly comprising:
a first circuit board including first connector elements disposed on a first edge of the first circuit board and second connector elements disposed on a second edge of the first circuit board, the first edge disposed opposite the second edge on the first circuit board;
first circuitry affixed to the first circuit board;
wherein the first edge of the first circuit board aligns with a first axial end of the first circuitry and the second edge of the first circuit board aligns with a second axial end of the first circuitry; and
wherein the first circuitry affixed to the first circuit board is an inductor device, the inductor device comprising an electrically conductive path and magnetic permeable material, the electrically conductive path being electrically conductive material extending between the first axial end of the first circuitry and the second axial end of the first circuitry, the electrically conductive path of the inductor device enveloped by the magnetic permeable material.

2. The first assembly as in claim 1 , wherein the electrically conductive path is a cylindrical body fabricated from the electrically conductive material; and
wherein an axis disposed along a length of the cylindrical body between the first axial end and the second axial end is substantially parallel to a plane in which the first circuit board resides.

3. The first assembly as in claim 1 , wherein cross sectional areas of the electrically conductive path are enlarged at the first axial end and the second axial end with respect to a cross sectional area of the electrically conductive path at a location between the first axial end and the second axial end.

4. The first assembly as in claim 1 further comprising:
a layer of material disposed between the magnetic permeable material of the inductor device and a surface of the first circuit board, the layer of material affixing the inductor device to the first circuit board.

5. The first assembly as in claim 1 , wherein the first circuitry affixed to the first circuit board includes a series connection of the inductor device and power converter circuitry between the first axial end and the second axial end.

6. The first assembly as in claim 5 , wherein the first axial end of the first circuitry is electrically isolated from the first connector elements disposed on the first edge of the first circuit board; and
wherein the second axial end of the first circuitry is electrically isolated from the second connector elements disposed on the second edge of the first circuit board.

7. The first assembly as in claim 6 , wherein the inductor device is operative to convey first current from the first axial end of the first circuitry through the first electrically conductive path of the inductor device and the second axial end of the first circuitry to a load; and
wherein the first circuit board includes a second electrically conductive path connected between the second connector elements and the first connector elements, the second electrically conductive path operative to receive the first current from the load and convey the first current from the load through the second connector elements and the second electrically conductive path to the first connector elements.

8. The first assembly as in claim 1 further comprising:
supplemental circuitry coupled to a second surface of the first circuit board, the second surface disposed opposite the first surface.

9. The first assembly as in claim 1 further comprising:
a chip embedded in the first circuit board.

10. The first assembly as in claim 1 , wherein each of the first connector elements on the first edge of the first circuit board includes a respective cavity; and
wherein each of the second connector elements on the second edge of the connector elements includes a respective cavity.

11. A second assembly comprising:
the first assembly of claim 1 ;
a first substrate;
a second substrate; and
wherein the first connector elements on the first edge are connected to the first substrate;
wherein the first axial end of the first circuitry is connected to the first substrate;
wherein the second connector elements on the second edge are connected to the second substrate; and
wherein the second axial end of the first circuitry is connected to the second substrate.

12. The second assembly as in claim 11 , wherein the first substrate is disposed substantially parallel to the second substrate;
wherein the first circuit board is disposed substantially parallel to a second circuit board; and
wherein both the first circuit board and the second circuit board are disposed substantially orthogonal to the first substrate or the second substrate.

13. The first assembly as in claim 1 , wherein a combination of: i) the first edge of the first circuit board, and ii) the first axial end of the first circuitry reside in a first plane; and
wherein a combination of: i) the second edge of the first circuit board, and ii) the second axial end of the first circuitry reside in a second plane.

14. The first assembly as in claim 1 , wherein the first axial end of the first circuitry is electrically isolated from the first connector elements disposed on the first edge of the first circuit board; and
wherein the second axial end of the first circuitry is electrically isolated from the second connector elements disposed on the second edge of the first circuit board.

15. The first assembly as in claim 1 ,
wherein the first axial end of the first circuitry is physically spaced apart from the first connector elements disposed on the first edge of the first circuit board via a first portion of the magnetic permeable material; and
wherein the second axial end of the first circuitry is physically spaced apart from the second connector elements disposed on the second edge of the first circuit board via a second portion of the magnetic permeable material.

16. The first assembly as in claim 1 , wherein the magnetic permeable material includes a planar surface; and
wherein the planar surface of the magnetic permeable material is affixed to the first circuit board.

17. The first assembly as in claim 1 , wherein the first connector elements and the first axial end of the first circuitry are directly connected to a second circuit board; and
wherein the second connector elements and the second axial end of the first circuitry are directly connected to nodes of a third circuit board.

18. The first assembly as in claim 17 , wherein the first circuitry is operative to convey first current received from the second circuit board through the first circuitry to a load coupled to the third circuit board; and
wherein the first circuit board includes a second electrically conductive path connected between the second connector elements and the first connector elements, the second electrically conductive path operative to: i) receive the first current from the load through the second connector elements, and ii) convey the first current through the second electrically conductive path to the first connector elements.

19. A first assembly comprising:
a first circuit board including first connector elements disposed on a first edge of the first circuit board and second connector elements disposed on a second edge of the first circuit board, the first edge disposed opposite the second edge on the first circuit board;
first circuitry affixed to the first circuit board;
second circuitry affixed to the first circuit board;
wherein the first

Assignees

• Infineon Technologies Austria Ag

Inventors

• Cho Eung San
• Clavette Danny

Classifications

• H05K2201/1053

  Mounted components directly electrically connected to each other, i.e. not via the PCB · CPC title

• H05K2201/1003

  Non-printed inductor · CPC title

• H05K2201/10015

  Non-printed capacitor · CPC title

• H05K2201/09145

  Edge details · CPC title

• H05K2201/047

  Box-like arrangements of PCBs · CPC title