Stacking electrical connector with reduced crosstalk

Patent metadata

Field	Value
Publication number	US-10404014-B2
Application number	US-201815898098-A
Country	US
Kind code	B2
Filing date	Feb 15, 2018
Priority date	Feb 17, 2017
Publication date	Sep 3, 2019
Grant date	Sep 3, 2019

Abstract

An electrical connector having one or more openings formed in the connector's housing between adjacent rows of conductors. The openings may be positioned between rows of contact portions, and reduces crosstalk between conductors in adjacent rows. The opening(s) may extend through the entire length of the connector's housing. The opening(s) may have any suitable shape. In some embodiments, the openings may comprise a slot, bifurcated by crossbeams. The crossbeams may have ends positioned between signal conductors in the same row of the same type, either signal or ground. Alternatively or additionally, the crossbeams may be angled with respect to the rows of contacts such that the ends are positioned proximate conductors of a first type in one row and proximate conductors of a second type in another row.

First claim

What is claimed:

1. An electrical connector, comprising:
an insulating housing comprising a projecting member and first and second pluralities of channels formed on opposite sidewalls of the projecting member;
a first plurality of conductors comprising contact portions, each of the first plurality of contact portions having a mating end, a contact tail, and a body disposed between the mating end and the contact tail, the body being retained in a respective channel of the first plurality of channels;
a second plurality of conductors comprising contact portions, each of the second plurality of contact portions having a mating end, a contact tail, and a body disposed between the mating end and the contact tail, the body being retained in a respective channel of the second plurality of channels; and
at least one opening formed in the projecting member between the first plurality of channels and the second plurality of channels.

2. The electrical connector of claim 1 , wherein the at least one opening forms a third channel between a first outer surface of the insulating housing and a second outer surface of the insulating housing.

3. The electrical connector of claim 2 , wherein the first and the second outer surfaces of the insulating housing are parallel to each other.

4. The electrical connector of claim 2 , wherein:
the first plurality of conductors comprise portions, including the contact portions, extending in a first plane; and
the second plurality of conductors comprise portions, including the contact portions, extending in a second plane, the second plane being parallel to the first plane;
the at least one opening is disposed between the first plane and the second plane.

5. The electrical connector of claim 1 , wherein the at least one opening comprises a slot and a plurality of beams spanning the slot.

6. The electric connector of claim 5 , wherein a first contact portion of the first plurality of contact portions and a corresponding second contact portion of the second plurality of contact portions are separated along a first direction, and wherein the plurality of beams are parallel to the first direction.

7. The electric connector of claim 5 , wherein a first contact portion of the first plurality of contact portions and a corresponding second contact portion of the second plurality of contact portions are separated along a first direction, and wherein the beam is angled with respect to the first direction.

8. The electric connector of claim 5 , wherein the slot has a length that is between 0.2 mm and 1 mm.

9. The electric connector of claim 5 , wherein the slot has a width that is between 0.1 mm and 0.5 mm.

10. The electric connector of claim 1 , wherein adjacent contact portions of the first plurality of contact portions are separated by a distance that is between 0.4 mm and 0.8 mm.

11. An electric connector comprising:
an insulating housing;
a first plurality of conductors, each of the conductors having a mating end, a contact tail, and an intermediate portion disposed between the mating end and the contact tail, the intermediate portion being held by the insulating housing and the contact portions being positioned in a first row;
a second plurality of conductors, each of the conductors having a mating end, a contact tail, and an intermediate portion disposed between the mating end and the contact tail, the intermediate portion being held by the insulating housing and the contact portions being positioned in a second row; and
a slot enclosed within dielectric material of the insulating housing between the first row and the second row.

12. The electric connector of claim 11 , wherein:
the housing comprises a plurality of beams spanning the slot.

13. The electric connector of claim 12 , wherein the plurality of beams are angled between 30 and 60 degrees with respect to an elongated dimension of the slot.

14. The electric connector of claim 13 , wherein the connector is a stacked connector.

15. The electric connector of claim 11 , wherein the first row of contact portions is arranged in a SSGG configuration.

16. The electric connector of claim 15 , wherein the second row of contact portions is arranged in a GGSS configuration, such that ground contact portions of the first row of contact portions oppose a corresponding signal contact portion of the second row of contact portions along the second direction and signal contact portions of the first row of contact portions oppose a corresponding ground contact portion of the second row of contact portions along the second direction.

17. The electric connector of claim 16 , wherein pairs of adjacent signal contact portions are configured to carry an edge coupled differential signal.

18. The electric connector of claim 16 , wherein
the housing further comprises a plurality of beams spanning the slot; and
a first end of each of the plurality of beams is disposed between adjacent contacts portions of a signal conductor in the first row.

19. The electric connector of claim 18 , wherein:
an second end of each of the plurality of beams is disposed between adjacent contacts portions of a ground conductor in the second row.

20. An electrical connector, comprising:
an insulating housing;
a first plurality of conductors comprising contact portions, each of the first plurality of contact portions having a mating end, a contact tail, and a body disposed between the mating end and the contact tail, the body being held by the insulating housing;
a second plurality of conductors comprising contact portions, each of the second plurality of contact portions having a mating end, a contact tail, and a body disposed between the mating end and the contact tail, the body being held by the insulating housing; and
at least one opening formed in the insulating housing between the first plurality of contact portions and the second plurality of contact portions,
wherein there are no contact portions in the at least one opening.

21. The electric connector of claim 20 , wherein:
the at least one opening is enclosed within dielectric material.

22. The electrical connector of claim 20 , wherein the at least one opening forms a channel between a first outer surface of the insulating housing and a second outer surface of the insulating housing.

23. The electrical connector of claim 20 , wherein the at least one opening comprises a slot and a plurality of beams spanning the slot.

24. The electric connector of claim 23 , wherein the slot has a length that is between 0.2 mm and 1 mm.

25. The electric connector of claim 1 , wherein:
mating ends of the first plurality of conductors are positioned in respective channels of the first plurality of channels.

Assignees

• Fci Usa Llc

Inventors

• Huang Yifan
• Rengarajan Madhumitha

Classifications

• H01R13/6477

  by variation of dielectric properties · CPC title

• H01R13/41

  by frictional grip in grommet, panel or base · CPC title

• H01R13/6461

  Means for preventing cross-talk · CPC title

• H01R12/716

  Coupling device provided on the PCB · CPC title

• H01R13/6471 Primary

  by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal] · CPC title