Connector and signal transmission method using the same

Patent metadata

Field	Value
Publication number	US-9093792-B2
Application number	US-201314069648-A
Country	US
Kind code	B2
Filing date	Nov 1, 2013
Priority date	Feb 18, 2013
Publication date	Jul 28, 2015
Grant date	Jul 28, 2015

Abstract

A connector has a plurality of high-speed differential signal lanes each of which includes two first contacts for high-speed differential signal transmission and two ground contacts. A second contact which does not belong to the high-speed differential signal lanes is arranged between the high-speed differential signal lanes. On a first connection side for connection with a connecting object, contacting portions of the contacts are arranged in a single row at a distance from one another. On a second connection side for connection with a mounting object, terminal portions of the first contacts and terminal portions of the ground contacts are arranged in a first row at a distance wider than that between the contacting portions while a terminal portion of the second contact is arranged in a second row.

First claim

What is claimed is:

1. A connector to be mounted to a mounting object and connected to a connecting object, the connector comprising:
a plurality of high-speed differential signal lanes, each signal lane of the plurality of high-speed differential signal lanes being composed of two first contacts adapted to high-speed differential signal transmission and arranged adjacent to each other and two ground contacts sandwiching the two first contacts and arranged on opposite sides of the two first contacts, one on each side; and
at least one second contact disposed between adjacent ones of the high-speed differential signal lanes and not belonging to the high-speed differential signal lanes;
each of the first contacts, the ground contacts, and the second contact having a contacting portion to be connected to the connecting object and a terminal portion to be connected to the mounting object;
the connector having a first connection side for connection with the connecting object, where the contacting portions of the first contacts, the contacting portions of the ground contacts, and the contacting portion of the second contact are arranged in a single row at a contacting distance from one another;
the connector having a second connection side for connection with the mounting object, where the terminal portions of the first contacts and the terminal portions of the ground contacts are arranged in a first row at a terminal distance from one another, the terminal distance being wider than the contacting distance, while the terminal portion of the second contact is arranged in a second row different from the first row.

2. The connector according to claim 1 , wherein the terminal portions of the ground contacts sandwiching the second contact and arranged on opposite sides of the second contact are combined with each other to form an integral structure.

3. The connector according to claim 1 , wherein:
each of the first contacts and the ground contacts has a distance changing portion for changing a distance between adjacent ones of the first contacts and the ground contacts from the contacting distance into the terminal distance;
the distance changing portion having a first contact width, the contacting portions having a second contact width, and the terminal portions having a third contact width, the first contact width being wider than the second contact width and being wider than the the third contact width.

4. The connector according to claim 1 , wherein each of the high-speed differential signal lanes has a symmetrical structure with respect to a plane between the two first contacts of the high-speed differential signal lane.

5. The connector according to claim 1 , wherein:
a plurality of the second contacts are arranged between the high-speed differential signal lanes;
the second contacts arranged between the high-speed differential signal lanes being formed so that a second contact terminal distance is between the terminal portions of the second contacts and so that a second contact contacting distance is between the contacting portions of the second contacts, the second contact terminal distance being wider than the second contact contacting distance.

6. The connector according to claim 1 , wherein the first and the second rows are parallel to each other.

7. The connector according to claim 1 , wherein the second contact is one of a control signal contact, a power supply contact, a ground contact, or a signal transmission contact not belonging to the high-speed differential signal lanes.

8. A signal transmission method of carrying out high-speed differential signal transmission by mounting a connector according to claim 1 to a board.

9. A connector to be mounted to a mounting object and connected to a connecting object, the connector comprising:
a plurality of high-speed differential signal lanes, each signal lane of the plurality of high-speed differential signal lanes being composed of two first contacts arranged adjacent to each other and two ground contacts sandwiching the two first contacts and arranged on opposite sides of the two first contacts, one on each side; and
at least one second contact disposed between adjacent ones of the high-speed differential signal lanes;
each of the first contacts, the ground contacts, and the second contact having a contacting portion to be connected to the connecting object and a terminal portion to be connected to the mounting object;
each of the first contacts being a contact for transmitting a high-speed electric signal containing a frequency component corresponding to a wavelength λ satisfying L>(λ/20) where L represents a length of the first contact from the contacting portion to the terminal portion;
the second contact being a contact used when a signal to be transmitted does not contain a frequency component corresponding to a wavelength λ satisfying M>(λ/20) where M represents a length of the second contact from the contacting portion to the terminal portion;
the connector having a first connection side for connection with the connecting object, where the contacting portions of the first contacts, the contacting portions of the ground contacts, and the contacting portion of the second contact are arranged in a single row at a contacting distance from one another;
the connector having a second connection side for connection with the mounting object, where the terminal portions of the first contacts and the terminal portions of the ground contacts are arranged in a first row at a terminal distance from one another, the terminal distance being wider than the contacting distance, while the terminal portion of the second contact is arranged in a second row different from the first row.

10. The connector according to claim 9 , wherein the terminal portions of the ground contacts sandwiching the second contact and arranged on opposite sides of the second contact are combined with each other to form an integral structure.

11. The connector according to claim 9 , wherein:
each of the first contacts and the ground contacts has a distance changing portion for changing a distance between adjacent ones of the first contacts and the ground contacts from the contacting distance into the terminal distance;
the distance changing portion having a first contact width, the contacting portions having a second contact width, and the terminal portions having a third contact width, the first contact width being wider than the second contact width and being wider than the third contact width.

12. The connector according to claim 9 , wherein each of the high-speed differential signal lanes has a symmetrical structure with respect to a plane between the two first contacts of the high-speed differential signal lane.

13. The connector according to claim 9 , wherein:
a plurality of the second contacts are arranged between the high-speed differential signal lanes;
the second contacts arranged between the high-speed differential signal lanes being formed so that a second contact terminal distance is between the terminal portions of the second contacts and so that a second contact contacting distance is between the contacting portions of the second contacts, the second contact terminal distance being wider than the second contact contacting distance.

14. The connector according to claim 9 , wherein the first and the second rows are parallel to each other.

15. The connector according to claim 9 , wherein the second contact is one of a control signal contact, a power supply contact, a ground contact, or a signal transmission contact not belonging to the high-speed differential signal lanes.

Assignees

• Japan Aviation Electron

Inventors

• Shiratori Masayuki
• Aihara Shuichi
• Katayanagi Masayuki
• Hashiguchi Osamu

Classifications

• H01R2201/06

  for computer periphery · CPC title

• H01R12/57

  surface mounting terminals · CPC title

• H01R13/652 Primary

  with earth pin, blade or socket · CPC title

• H01R13/6471 Primary

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

• H01R13/6474

  by variation of conductive properties, e.g. by dimension variations · CPC title