IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0918565
(2004-08-13)
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발명자
/ 주소 |
- Raistrick,Alan
- Shuey,Joseph B.
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출원인 / 주소 |
- FCI Americas Technology, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
82 인용 특허 :
73 |
초록
▼
The invention provides a high speed connector wherein differential signal pairs are arranged so as to limit the level of cross talk between adjacent differential signal pairs. The connector comprises lead frame assembly having a pair of overmolded lead frame housings. Each lead frame housing has a r
The invention provides a high speed connector wherein differential signal pairs are arranged so as to limit the level of cross talk between adjacent differential signal pairs. The connector comprises lead frame assembly having a pair of overmolded lead frame housings. Each lead frame housing has a respective signal contact extending therethrough. The lead frame housings may be operatively coupled such that the signal contacts form a broadside-coupled differential signal pair. The contacts may be separated by a gap having a gap width that enables insertion loss and cross talk between signal pairs to be limited.
대표청구항
▼
What is claimed: 1. An electrical connector comprising: a first leadframe housing having a portion of a first electrical contact extending therethrough; and a second leadframe housing having a portion of a second electrical contact extending therethrough, wherein the second leadframe housing is dis
What is claimed: 1. An electrical connector comprising: a first leadframe housing having a portion of a first electrical contact extending therethrough; and a second leadframe housing having a portion of a second electrical contact extending therethrough, wherein the second leadframe housing is disposed adjacent to the first leadframe housing such that an air gap is formed between the respective portions of the electrical contacts that extend through the leadframe housings, wherein the gap has a gap width that provides for a desired impedance profile between the electrical contacts, and wherein the impedance profile is a uniform impedance profile along the respective portions of the contacts that extend through the leadframe housings. 2. The electrical connector of claim 1, wherein the electrical contacts form a differential signal pair. 3. The electrical connector of claim 1, wherein the electrical contacts are broadside-coupled. 4. The electrical connector of claim 1, wherein the first leadframe housing is made of an electrically insulating material. 5. The electrical connector of claim 1, wherein the first leadframe housing is made of a plastic. 6. The electrical connector of claim 1, wherein the first leadframe housing is insert molded. 7. The electrical connector of claim 1, wherein the first and second leadframe housings are coupled with an interference fit. 8. The electrical connector of claim 1, wherein the first leadframe housing has a first recess, and the first electrical contact sits in the first recess, the second leadframe housing has a second recess, and the second electrical contact sits in the second recess. 9. The electrical connector of claim 8, wherein the first recess has a first depth, the first electrical contact has a first thickness, the second recess has a second depth, and the second electrical contact has a second thickness, and wherein the first and second depths and first and second thicknesses together define the gap width. 10. The electrical connector of claim 1, wherein the first leadframe housing has a recess, and the first electrical contact sits in the recess. 11. The electrical connector of claim 10, wherein the gap has a gap width, and the recess has a depth that at least partially defines the gap width. 12. The electrical connector of claim 10, wherein the first leadframe housing comprises a face that at least partially defines the recess, and the first electrical contact abuts the face. 13. The electrical connector of claim 10, wherein the first leadframe housing comprises a plurality of faces that collectively define the recess, and the first electrical contact abuts each of the faces. 14. The electrical connector of claim 10, wherein the second leadframe housing has a recess, and the second electrical contact sits in the recess of the second leadframe housing. 15. The electrical connector of claim 14, wherein the gap has a gap width, and the recesses have respective depths that at least partially define the gap width. 16. The electrical connector of claim 15, wherein each of the electrical contacts has a respective thickness that at least partially defines the gap width. 17. An electrical connector comprising: a first lead frame assembly comprising a first leadframe housing, a first signal contact, and a second signal contact adjacent to the first signal contact; and a second lead frame assembly comprising a second leadframe housing, a third signal contact, and a fourth signal contact adjacent to the third signal contact, the first and third signal contacts forming a first differential signal pair and the second and fourth signal contacts forming a second differential signal pair, wherein a first air gap is formed between respective portions of the first and third signal contacts that extend through the respective leadframe housings, and a second air gap is formed between respective portions of the second and fourth signal contacts that extend through the respective leadframe housings wherein the first air gap has a gap width that provides for a uniform impedance profile along the respective portions of the first and third contacts that extend through the respective leadframe housings. 18. The electrical connector of claim 17, wherein the air gaps have respective gap widths that limit cross-talk between the differential signal pairs. 19. The electrical connector of claim 17, wherein the connector is a mezzanine-style electrical connector. 20. The electrical connector of claim 17, wherein the differential signal pairs are broadside-coupled. 21. The electrical connector of claim 17, wherein the connector is devoid of shields between adjacent differential signal pairs. 22. The electrical connector of claim 17, wherein the first air gap has a gap width that limits interference from the first differential signal pair at the second differential signal pair. 23. The electrical connector of claim 22, wherein the second air gap has a second gap width that limits interference from the second differential signal pair at the first differential signal pair. 24. The electrical connector of claim 23, wherein the first leadframe housing has a first and second recess, and the second leadframe housing has a third and fourth recess, and wherein the first, second, third and fourth signal contacts sit in the first, second, third, and fourth recesses, respectively. 25. The electrical connector of claim 24, wherein the first, second, third, and fourth recesses have first, second, third and fourth depths, respectively, and wherein the first, second, third, and fourth signal contacts have first, second, third, and fourth thicknesses, respectively. 26. The electrical connector of claim 25, wherein the first depth and thickness and the third depth and thickness together define the first gap width. 27. The electrical connector of claim 25, wherein the second depth and thickness and the fourth depth and thickness together define the second gap width. 28. An electrical connector comprising: a first leadframe housing having a portion of a first electrical contact extending therethrough; and a second leadframe housing having a portion of a second electrical contact extending therethrough, wherein an air gap is formed between the respective portions of the electrical contacts that extend through the leadframe housings, the gap having a gap width that provides for a desired impedance profile between the electrical contacts, wherein the impedance profile is a uniform impedance profile along the respective portions of the contacts that extend through the leadframe housings. 29. The electrical connector of claim 28, wherein the first leadframe housing has a first recess, and the first electrical contact sits in the first recess. 30. The electrical connector of claim 29, wherein the second leadframe housing has a second recess, and the second electrical contact sits in the second recess. 31. The electrical connector of claim 30, wherein the first and second recesses have a first and second depths, respectively, and the first and second electrical contacts have a first and second thicknesses, respectively, and the first and second depths and the first and second thicknesses together define the gap width.
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