EP1930993B1 - Châssis de conducteurs pour module de contact électrique, connecteur électrique et dispositif de contact - Google Patents

Châssis de conducteurs pour module de contact électrique, connecteur électrique et dispositif de contact Download PDF

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Publication number
EP1930993B1
EP1930993B1 EP06025471A EP06025471A EP1930993B1 EP 1930993 B1 EP1930993 B1 EP 1930993B1 EP 06025471 A EP06025471 A EP 06025471A EP 06025471 A EP06025471 A EP 06025471A EP 1930993 B1 EP1930993 B1 EP 1930993B1
Authority
EP
European Patent Office
Prior art keywords
lead frame
conductors
contact
mating
electrical connector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP06025471A
Other languages
German (de)
English (en)
Other versions
EP1930993A1 (fr
Inventor
Yves Braem
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TE Connectivity Belgium BVBA
Original Assignee
Tyco Electronics Belgium EC BVBA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tyco Electronics Belgium EC BVBA filed Critical Tyco Electronics Belgium EC BVBA
Priority to PL06025471T priority Critical patent/PL1930993T3/pl
Priority to DE602006008810T priority patent/DE602006008810D1/de
Priority to ES06025471T priority patent/ES2330247T3/es
Priority to AT06025471T priority patent/ATE441227T1/de
Priority to EP06025471A priority patent/EP1930993B1/fr
Publication of EP1930993A1 publication Critical patent/EP1930993A1/fr
Application granted granted Critical
Publication of EP1930993B1 publication Critical patent/EP1930993B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6473—Impedance matching
    • H01R13/6474—Impedance matching by variation of conductive properties, e.g. by dimension variations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6586—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
    • H01R13/6587—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules for mounting on PCBs

Definitions

  • the invention relates generally to electrical connectors and, more particularly, to an electrical connector for transmitting signals at high speeds.
  • the back-plane typically has a connector, commonly referred to as a header that includes a plurality of signal pins or contacts which connect to conductive traces on the back plane.
  • the daughter board connector commonly referred to as a receptacle, also includes a plurality of contacts or pins.
  • the receptacle is a right angle connector that interconnects the back plane with the daughter board so that signals can be routed between the two.
  • the right angle connector typically includes a mating face that receives the plurality of signal pins from the header on the back plane, and contacts that connect to the daughter board.
  • Some older connectors which are still in use today, operate at speeds of one gigabit per second or less.
  • many of today's high performance connectors are capable of operating at speeds of up to ten gigabits or more per second.
  • the higher performance connector also comes with a higher cost.
  • US 6,808,420 , B1 discloses an electrical connector comprising a connector housing holding signal contacts and ground contacts in an array organized into rows. Each row includes pairs of the signal contacts and some of the ground contacts arranged in a pattern, wherein adjacent first and second rows have respective different first and second patterns.
  • US 6,379,188 , B1 shows an electrical connector for transferring a plurality of differential signals between electrical components.
  • the connector is made of modules that have a plurality of pairs of signal conductors with a first signal path and a second signal path.
  • Electrical connectors comprise a plurality of contacts embedded in a plastic housing.
  • Figure 1 shows a plurality of mating contacts 3 in such an electrical connector represented without the plastic housing.
  • Each mating contact 3 is electrically connected to a corresponding mounting contact 6 by a conductor 5.
  • the plurality of conductors 5 connecting mounting contacts 6 with the corresponding mating contacts 3 arranged on one of the columns, constitutes a so-called lead frame, an example of which is represented in figure 2 .
  • the lead-frame of a male or female connector has a right-angled contact geometry and therefore a geometry that forces the conductors to have different mechanical lengths. This means that the delay of the electrical signal is different for all the pins, i.e. conductors in the conductor column. This is referred to as "skew".
  • skew between pins is an important parameter of overall connector performance. In a column of conductors, there will always be skew because of the length differences of the conductors.
  • the object of the present invention is therefore to provide an electrical connector with improved electrical characteristics, such as the same electrical length of all the conductors.
  • WO 01/39332 A1 shows differential signal electrical connectors.
  • the connector is made of modules that have a plurality of pairs of signal conductors with a first signal path and a second signal path.
  • Each signal path has a pair contact sections extending between the contact portions.
  • Windows are left in the plastic above the long lead and each pair of contact sections. These windows serve to equalize the delay for signals traveling in the leads of each pair as the speed at which is signaled propagates an a conductor is proportional to the dielectric constant of the material surrounding the conductor. Because air has a different dielectric constant than plastic, leaving the windows above the long leads makes the signals in those leads move faster. As a result, the time for a signal to pass through the long lead and short lead of the pair and be equalized.
  • Figure 3 shows a cross-sectional view of the plurality of conductors 5 shown in figure 1 , taken along one of the lines A-A, B-B or C-C.
  • the plurality of conductors 5 have electrical characteristics, which may vary depending on the length of a particular conductor within the electrical connector. With an identical conductor width a longer conductor has a self-inductance that is higher than a shorter conductor proportional to the length difference of both conductors.
  • the width of the conductors within the lead-frame is gradually increased so that a longer conductor is wider while a shorter conductor is smaller. Therefore, when two pins are compared in the connector the shorter one is smaller and the longer one is wider.
  • the longer conductor will be wider, reducing its self-inductance by unit length relative to the short conductor, which has a high self-inductance by unit length.
  • FIG. 5 illustrates an electrical connector 10 formed in accordance with an exemplary embodiment of the present invention. While the electrical connector 10 will be described with particular reference to a receptacle connector, a right-angle connector interconnecting a back-plane with a daughter board, it is to be understood that the benefits described herein are also applicable to other connectors in alternative embodiments.
  • the electrical connector 10 includes a dielectric housing 12.
  • a plurality of contact modules 50 are connected to the housing 12.
  • the contact modules 50 define a mounting face 56, which comprises a plurality of mounting contacts 86.
  • the mounting face 56 is substantially perpendicular to the mating face 18 of the dielectric housing 12, such that the electrical connector 10 interconnects electrical components that are substantially at a right angle to one another.
  • the mounting contacts 86 are adapted to be mounted on a circuit board 80.
  • the dielectric housing 12 includes a plurality of mating contacts that are accessible to corresponding mating elements through a mating face 18 of the dielectric housing 12.
  • a plurality of ground conductors 104 and signal conductors 106a, 106b connect the mounting contacts 86 and mating contacts.
  • a connector 70 comprising mating elements can be mated with the mating contacts of the electrical connector 10.
  • the connector 70 comprises a plastic body 72 in which mating elements 76 are embedded.
  • the plastic body 72 of the connector 70 comprises two side parts 73, 75.
  • the mating elements 76 are embedded in the plastic body 72 in such a way that a longitudinal axis of the mating elements 76 is parallel to a longitudinal axis of the side parts 73, 75.
  • the plastic body 72 comprises a hollow part arranged between side parts 73, 75, said hollow part having dimensions such that the housing 12 of the electrical connector 10 can be fitted into said hollow part of the connector 70.
  • the mating elements 76 of said connector 70 protrude out of the plastic body 72 on the side of the connector 70 oriented towards the hollow part in which the housing 12 of the electrical connector 10 can be fitted.
  • the mating elements 76 protrude towards the hollow part of the connector 70 in mating element ends 74.
  • the mating element ends 74 can be introduced through the mating face 18 of the dielectric housing 12 to mate with the mating contacts of the electrical connector 10.
  • FIG. 6 shows a female electrical connector 10 according to the present invention.
  • the mounting contacts 86 of the electrical connector 10 are mounted on the electric board 80.
  • the housing 12 of the electrical connector 10 comprises a mating face 18 including a plurality of contact cavities 22 that are configured to receive corresponding mating elements.
  • the housing 12 comprises an alignment rib 42 arranged on an upper face 32 of said housing 12. The alignment rib 42 allows to bring the electrical connector 10 into alignment with the connector 70 during the mating process so that the mating element ends 74 of the mating connector 70 are received in the contact cavities 22 without damage.
  • FIG. 7 illustrates a male electrical connector according to the present invention.
  • a connector 70' has two hollow parts comprised respectively between a side part 73' and a central side part 75, and between said central side part 75 and a side part 73.
  • Mating element ends 74 and 74' are arranged in the respective hollow parts of the plastic body 72 of the mating connector 70'.
  • the mating element ends 74, 74' arranged in the respective hollow parts are male mating elements, which are adapted to be mated with the mating contacts in the contact cavities 22 of the mating face 18 of a first electrical connector 10 and with the mating contacts in the contact cavities of a mating face of a second electrical connector 10'.
  • Figure 8 shows a multi-board arrangement, wherein a first electrical connector 10 is mounted on a first board 80 and a second electrical connector 10' is mounted on a second board 80'.
  • Each electrical connector 10, 10' is adapted to be mated with each connector 70, 70'.
  • the mating contacts of the respective mating face 18, 18' of each electrical connector 10, 10' are mated with the respective mating element ends 74, 74' of each respective connector 70, 70'.
  • Figure 9 shows a perspective view of a plurality of lead frames 100, 200 that are arranged within one electrical connector 10 according to the present invention.
  • the lead frames 100, 200 comprise a plurality of conductors.
  • the conductors extend along a predetermined path to electrically connect each mating edge contact 82 to a corresponding mounting edge contact 86.
  • the mating edge is essentially perpendicular to the mounting edge 56.
  • a plurality of conductors with a curved cross-section may also be foreseen in an electrical connector, said plurality of conductors being arranged in such a way that they form an essentially curved array.
  • the plurality of conductors is foreseen with a circular cross-section, said plurality of conductors being arranged in such a way that they form an essentially circular array.
  • the term width defined in the present application shall then mean the diameter of said conductors.
  • the electrical connector according to the present invention has improved electrical characteristics, in particular, uniform electrical properties of the conductors within the electrical connector. Moreover, the electrical connector according to the present invention achieves a high speed signal transport through a right angle or vertical interconnection system while having both a high signal density as well as an easy track-routing on the printed circuit board.
  • Various termination techniques for board mounting such as surface mounting or press-fit, can be applied to mount the electrical connector according to the present invention on a corresponding board.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (6)

  1. Grille de connexion (100) pour un module de contacts électriques (50), ladite grille de connexion (100) comprenant :
    une première rangée de contacts comprenant des contacts d'accouplement (82) et définissant un bord d'accouplement ; et
    une deuxième rangée de contacts comprenant des contacts de montage (86) et définissant un bord de montage ;
    chaque contact de bord d'accouplement (82) étant connecté électriquement à un contact de bord de montage (86) correspondant par des conducteurs s'étendant le long d'un trajet prédéterminé dans la grille de connexion (100);
    dans laquelle les conducteurs (106a, 106b, 104) dans la grille de connexion (100) ont différentes longueurs mécaniques ;
    caractérisée en ce que
    les conducteurs (106a, 106b, 104) dans la grille de connexion (100) ont individuellement différentes largeurs (w1, w2, w3, ..., wn), la largeur de chaque conducteur étant fonction de la longueur mécanique du conducteur ;
    dans laquelle un conducteur avec une longueur mécanique plus courte a une plus petite largeur (w1) qu'un conducteur avec une longueur mécanique plus longue.
  2. Grille de connexion (100) selon la revendication 1, dans laquelle la largeur de chaque conducteur dans la grille de connexion (100) augmente alors que la longueur mécanique des conducteurs augmente.
  3. Grille de connexion (100) selon la revendication 1 ou 2, dans laquelle ledit bord d'accouplement et ledit bord de montage (56) dans chaque grille de connexion (100) sont sensiblement perpendiculaires l'un à l'autre.
  4. Ensemble de contacts comprenant au moins des première et deuxième grilles de connexion (100) selon l'une des revendications 1 à 3, ladite deuxième grille de connexion étant adjacente à ladite première grille de connexion.
  5. Connecteur électrique (10) comprenant :
    un boîtier (12) ;
    une pluralité de modules de contacts (50) dans ledit boîtier (12), chaque dit module de contacts (50) comprenant la grille de connexion (100) selon l'une quelconque des revendications 1 à 3,
    dans lequel lesdits conducteurs (106a, 106b, 104) de plusieurs modules de contacts (50) sont agencés, lorsqu'ils sont vus en coupe transversale à travers les grilles de connexion (100), en une matrice de colonnes et de rangées.
  6. Connecteur électrique (10) selon la revendication 5, dans lequel les conducteurs (106a, 106b, 104) sont agencés en un réseau essentiellement carré ou rectangulaire.
EP06025471A 2006-12-08 2006-12-08 Châssis de conducteurs pour module de contact électrique, connecteur électrique et dispositif de contact Not-in-force EP1930993B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PL06025471T PL1930993T3 (pl) 2006-12-08 2006-12-08 Stelaż przewodów do elektrycznego modułu stykowego, elektrycznej wtyczki oraz zespołu styków
DE602006008810T DE602006008810D1 (de) 2006-12-08 2006-12-08 Leiterträger für elektrisches Kontaktmodul, elektrischer Verbinder und Kontaktvorrichtung
ES06025471T ES2330247T3 (es) 2006-12-08 2006-12-08 Bastidor de conductores para modulo de contacto electrico, conector electrico y conjunto de contacto.
AT06025471T ATE441227T1 (de) 2006-12-08 2006-12-08 Leiterträger für elektrisches kontaktmodul, elektrischer verbinder und kontaktvorrichtung
EP06025471A EP1930993B1 (fr) 2006-12-08 2006-12-08 Châssis de conducteurs pour module de contact électrique, connecteur électrique et dispositif de contact

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06025471A EP1930993B1 (fr) 2006-12-08 2006-12-08 Châssis de conducteurs pour module de contact électrique, connecteur électrique et dispositif de contact

Publications (2)

Publication Number Publication Date
EP1930993A1 EP1930993A1 (fr) 2008-06-11
EP1930993B1 true EP1930993B1 (fr) 2009-08-26

Family

ID=37944059

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06025471A Not-in-force EP1930993B1 (fr) 2006-12-08 2006-12-08 Châssis de conducteurs pour module de contact électrique, connecteur électrique et dispositif de contact

Country Status (5)

Country Link
EP (1) EP1930993B1 (fr)
AT (1) ATE441227T1 (fr)
DE (1) DE602006008810D1 (fr)
ES (1) ES2330247T3 (fr)
PL (1) PL1930993T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010132739A1 (fr) * 2009-05-15 2010-11-18 Molex Incorporated Connecteur haut débit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6067594A (en) * 1997-09-26 2000-05-23 Rambus, Inc. High frequency bus system
US6494734B1 (en) * 1997-09-30 2002-12-17 Fci Americas Technology, Inc. High density electrical connector assembly
EP1427061B1 (fr) 1999-11-24 2011-04-20 Amphenol Corporation Connecteurs électriques pour signaux différentiels

Also Published As

Publication number Publication date
ATE441227T1 (de) 2009-09-15
ES2330247T3 (es) 2009-12-07
PL1930993T3 (pl) 2009-12-31
EP1930993A1 (fr) 2008-06-11
DE602006008810D1 (de) 2009-10-08

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