Cross Talk Reduction For A High Speed Electrical Connector

• US 20120315796A1
• Filed: 06/08/2012
• Published: 12/13/2012
• Est. Priority Date: 06/10/2011
• Status: Active Grant

• Current Assignee: Tyco Electronics Japan GK (TE Connectivity Ltd. (United Kingdom))
• Original Assignee: Tyco Electronics Japan GK (TE Connectivity Ltd. (United Kingdom))
• Inventors: Lapidot, Doron, Pang, Tze Yeong
• Granted Patent: US 8,992,262 B2
• Time in Patent Office: Days
• US Class Current: 439/626
• CPC Class Codes: H01R 13/6471 by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
• CPC Class Codes: H01R 24/62 Sliding engagements with one side only, e.g. modular jack coupling devices
• CPC Class Codes: H01R 43/16 for manufacturing contact members, e.g. by punching and by bending
• CPC Class Codes: Y10T 29/49204 Contact or terminal manufacturing

Abstract

An electrical connector has a housing receiving one or more series of electrical contacts. Each series of electrical contacts has a plurality of ground contacts and a plurality of signal contacts. The signal contacts are positioned in between the ground contacts, and the plurality of ground contacts are integrally connected to each other by a bus bar within the housing.

Claims

1. An electrical connector comprising:

a housing receiving one or more series of electrical contacts, wherein each series of electrical contacts comprises;

a plurality of ground contacts integrally connected to each other by a bus bar within the housing; and

a plurality of signal contacts positioned in between the ground contacts.

2. The electrical connector according to claim 1, wherein each of the ground contacts comprises a contact portion for establishing contact between mating connectors.

3. The electrical connector according to claim 2, wherein each of the ground contacts comprises a terminal portion.

4. The electrical connector according to claim 3, wherein each of the ground contacts further comprises a base connecting the contact portion and the terminal portion.

5. The electrical connector according to claim 4, wherein the base is substantially rectangular and comprises an orthogonal wall.

6. The electrical connector according to claim 5, wherein the base comprises

a securing section, wherein the orthogonal wall connects the contact portion and one end of the securing section, and

wherein the securing sections are integrally connected by the bus bar.

7. The electrical connector according to claim 5, wherein the signal contacts are located in between two ground contacts and beneath the bus bar.

8. The electrical connector according to claim 5, wherein each housing of the mating connectors is provided with a connection channel for receiving the bus bar of the ground contacts.

9. The electrical connector according to claim 1, wherein each of the signal contacts comprises a contact portion for establishing contact between mating connectors.

10. The electrical connector according to claim 9, wherein each of the signal contacts comprises a terminal portion.

11. The electrical connector according to claim 10, wherein each of the signal contacts comprises a retaining section connecting the contact portion and the terminal portion,

wherein the retaining section has a width wider than the contact portion and the terminal portion, and wherein the bus bar is located so as to overlap the retaining section of the signal contact.

12. The electrical connector according to claim 1, wherein the number of the ground contacts that are integrally connected is three.

13. The electrical connector according to claim 1, wherein the number of the signal contacts in between two ground contacts that are integrally connected is two.

14. The electrical connector according to claim 1, wherein the electrical connector is a 12G SAS connector.

15. A method of fabricating an electrical connector comprising the steps of:

providing a housing for receiving one or more series of electrical contacts;

providing a plurality of ground contacts and signal contacts; and

positioning the signal contacts in between the ground contacts;

the plurality of ground contacts being integrally connected to each other by a bus bar within the housing.

16. The method of fabricating an electrical connector according to claim 15, wherein a copper alloy strip is provided for fabricating the electrical contacts.

17. The method of fabricating an electrical connector according to claim 16, wherein the method further comprises a stamping process to obtain a basic of the electrical contacts.

18. The method of fabricating an electrical connector according to claim 17, wherein the method further comprises a forming process obtain a desired shape of each of electrical contacts.

19. The method of fabricating an electrical connector according to claim 18, wherein the method further comprises a plating process to obtain the final configuration of the electrical contacts.

20. The method of fabricating an electrical connector according to claim 15, wherein a high temperature thermoplastic resin is provided and in a molding process to fabricate the housing.

21. The method of fabricating an electrical connector according to claim 15, wherein the housing further comprises receptive channels.

22. The method of fabricating an electrical connector according to claim 21, wherein the electrical contacts are assembled into the respective channels.

23. An array of ground contacts for an electrical connector, the array of ground contacts configured to be received in a housing of the electrical connector with a plurality of signal contacts positioned between the respective ground contacts of the array, wherein the ground contacts of the array are further configured for integral connection to each other by a bus bar within the housing.

24. A housing for an electrical connector, the housing configured to receive a plurality of ground contacts and a plurality of signal contacts positioned between the respective ground contacts, wherein the housing is configured to accommodate an integral interconnection between the ground contacts within the housing.