WO1998054793A1 - Connecteur electrique grande vitesse, plaque a plaque, - Google Patents

Connecteur electrique grande vitesse, plaque a plaque, Download PDF

Info

Publication number
WO1998054793A1
WO1998054793A1 PCT/US1998/011527 US9811527W WO9854793A1 WO 1998054793 A1 WO1998054793 A1 WO 1998054793A1 US 9811527 W US9811527 W US 9811527W WO 9854793 A1 WO9854793 A1 WO 9854793A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
terminals
portions
terminal
grounding
Prior art date
Application number
PCT/US1998/011527
Other languages
English (en)
Inventor
Masanori Yagi
Original Assignee
Molex Incorporated
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 Molex Incorporated filed Critical Molex Incorporated
Publication of WO1998054793A1 publication Critical patent/WO1998054793A1/fr

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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
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
    • 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]

Definitions

  • the present invention relates generally to board-to- board connectors, and more particularly, to board-to-board connectors with grounding shields that are used in high speed applications .
  • Conventional board-to-board electrical connector assemblies includes a plug-style connector and a receptacle- style connector that mate together.
  • the plug-style connector typically includes an insulative housing having a plug projection formed thereon and plurality of conductive terminals arranged at regular intervals on the projection and fixed to the housing in a parallel arrangement.
  • the receptacle-style connector includes an insulative housing having a recess formed thereon that accommodates the plug projection therein, and a series of conductive terminals arranged in parallel at regular intervals thereon and fixed to the housing.
  • the mating of these two plug and receptacle- style connectors permits one-to-one engagement between the opposing respective male and female terminals of the connectors.
  • the plug projection of such a connector may include a metal grounding shield or plate, in the form of a shell that surrounds a portion of the connector housing to prevent interference by noise signals or "crosstalk".
  • a ground terminal is provided as part of the receptacle-style connector so that it may electrically contact the metal grounding shell of the plug connector when the two plug and receptacle-style connectors are mated together, as shown for instance in Japanese Patent Application Laid-Open No. 4-255678.
  • the aforementioned grounding terminal is designed to extend inside of the grounding shell of the plug-style connector. This, however, causes the grounding shell to deform outwardly from its placement on the plug connector housing after repeated mating of the plug and receptacle-style connectors, and this deformation may cause unstable contact between the grounding shell and the ground terminal.
  • Another object of the present invention is to provide a high-speed connector assembly having interengaging plug and receptacle connector components of reduced size, the plug connector component having a grounding shell supported on its exterior and the receptacle connector component having a plurality of grounding terminals spaced along its length, the grounding terminals being positioned thereon such that they engage the exterior surfaces of the grounding shield when the plug and receptacle connector components are mated together.
  • a further object of the present invention is to provide an improved board-to-board connector assembly that includes interengaging male and female connector components, the male connector component having a grounding shield affixed to an exterior surface thereof and the receptacle connector component having a plurality of blanked conductive terminals, some of the terminals being signal terminals and other of the terminals being ground terminals, the grounding terminals being arranged so as to contact the exterior surface of the grounding shield when the male and female connector components are mated together, and the grounding terminals having a structure that exerts a predictable contact force on the grounding shield.
  • the grounding terminals of the receptacle connector have first and second opposing contact portion, the first portions thereof engaging opposing grounding terminals of the plug connector and the second portions thereof resiliently contacting the outer surface of the grounding shell of the plug connector.
  • a board-to-board type electric connector assembly of the present invention also may comprise a plug type connector and a receptacle type connector that can be mated together, the plug type connecter having an insulative housing with a plug projection formed thereon, a plurality of male terminals conductive-arranged in a predetermined spacing on the housing with their respective contact portions extending along the plug projection.
  • a grounding shell is fitted on the exterior of the plug projection of the plug type connector housing.
  • the receptacle type connector also includes an insulative housing having a recess formed thereon that accommodates the plug projection therein, a plurality of conductive terminals arranged in the same predetermined spacing and fixed to the receptacle housing such the terminals extend into the recess.
  • the receptacle connector terminals include both signal and grounding terminals, the signal terminals having only first contact portions while the grounding terminals include both first and second contact portions.
  • the second contact extend in the receptacle type connector recess so as to resiliently contact the plug connector grounding shell upon insertion of the plug projection into the receptacle type connector recess.
  • the grounding shell may have at least one grounding contact lead formed thereon generally above where the second contact portion contacts the outer surface of the grounding shell so that the leads make electrical contact with opposing terminals of the plug type connector.
  • the grounding lead may further be bent inward to the bottom of the plug type connector housing, thus also permitting engagement with the tail portions of the opposing terminals of said plug type connector.
  • the first and second contacts of the receptacle type connector are preferably cantilevered so as to reliably and resiliently extend onto the plug projection and into electrical contact with the grounding shield thereof.
  • FIG. 1 is a cross-sectional view of a connector assembly constructed in accordance with principles of the present invention and illustrating a grounding section of the connector assembly;
  • FIG. 2 is a cross-sectional view of the connector assembly of FIG. 1 illustrating a signal section of the connector assembly
  • FIG. 3 is a plan view of a plug-type connector component used in the connector assembly of FIG. 1;
  • FIG. 4 is a side elevational view of the connector of FIG. 3 as viewed from lines 4-4;
  • FIG. 5 is a bottom plan view of the connector component of FIG. 4 as viewed from lines 5-5;
  • FIG. 6 is an end elevational view of the connector component of FIG. 4, taken along lines 6-6 thereof;
  • FIG. 7 is an enlarged cross-sectional view of the connector component of FIG. 4 taken along the lines 7-7 thereof and illustrating a ground section thereof;
  • FIG. 8 is an enlarged-cross sectional of the connector component of FIG. 4 taken along lines 8-8 thereof and illustrating a signal section thereof;
  • FIG. 9 is a top plan view of a grounding shell used with the connector assembly of FIG. 1;
  • FIG. 10 is a view of the grounding shell of FIG. 9, taken from lines 10-10 thereof;
  • FIG. 11 is an enlarged side view of the engagement tab of the grounding shell of FIG. 9;
  • FIG. 12 is an enlarged end view of the engagement tab of the ground shell;
  • FIG. 13 is an enlarged sectional view of a selected portion of the insulating housing of the plug type connector
  • FIG. 14 is an enlarged plan view of the grounding and attachment lead
  • FIG. 15 is an enlarged front view of the grounding and attachment lead
  • FIG. 16 is a top plan view of a receptacle-type connector component used in the connector assembly of FIG. 1;
  • FIG. 17 is a side elevational view of the connector of FIG. 16 as viewed from lines 17-17;
  • FIG. 18 is a bottom plan view of the connector component of FIG. 17 as taken along lines 18-18;
  • FIG. 19 is an end elevational view of the connector component of FIG. 18 as taken along lines 19-19;
  • FIG. 20 is an enlarged cross-sectional view of the receptacle connector component of FIG. 16 taken along lines 20-20 thereof and illustrating a ground section thereof;
  • FIG. 21 is a similar cross-sectional of the receptacle connector component of FIG. 16 taken along lines
  • FIG. 22 is an enlarged plan view of a terminal used in the receptacle connector component of FIG. 16;
  • a board-to-board electrical connector assembly 29 is illustrated and can be seen to include a plug connector component 1 and a receptacle connector component that are mated together to for . a connection between circuits on two circuit boards (not shown) .
  • the plug-type connector component 1 includes an electrically insulative housing 3 having a plug projection 6 formed from a series of sidewalls 30 of the plug housing 3.
  • a plurality of conductive male terminals 4 are arranged at regular intervals and fixed along the plug connector housing 3 in a parallel fashion with their contact portions 4a extending along the plug projection 6.
  • a conductive grounding shell, or shield, 5 is fitted to the exterior of the plug projection 6 of the insulating housing 3.
  • the receptacle connector 2 also includes an electrically insulative housing 15 that includes a rectangular recess 17 formed therein that accommodates the plug projection 6 of the plug connector 3 therein.
  • a plurality of conductive female terminals 16 are arranged at regular intervals, preferably in a parallel fashion, to the receptacle housing 15 so that their respective contact portions 19 extend into the recess 17 and preferably along the inner walls 31. At least one of these terminals 16, and preferably a plurality thereof as illustrated best in FIG.
  • FIG. 1 illustrates, in cross-section, the connector assembly of the present invention taken along a ground section thereof in which the grounding shell 5 of the plug connector 1 and the second, outer contact 21 of a selected terminal 16 of the female connector 2 are mated together in electrical contact.
  • FIG. 2 is a similar view, but is taken along a signal section of the connector assembly in which selected male and female terminals 4, 16 are mated together to convey signals between respective circuits.
  • the ground section illustrated in FIG. 1 occurs intermittently along the length of the connector assembly 29 at predetermined intervals thereof chosen to accommodate the needs of the connector assembly application, with nine such sections being illustrated in FIG. 3.
  • the intervening spaces between these ground sections is occupied by the signal sections as set forth in greater detail below.
  • the male connector 1 is seen to include an elongated, hollow insulative housing 3 that includes a plurality of stamped conductive metal terminals 4 fixed thereto along the interior walls of a cavity 33.
  • the conductive housing 3 includes a plug projection 6 in the formed from a plurality of elongated sidewalls 30 that have a plurality of conductive male terminals 4 arranged thereon along the opposing sides of an interior cavity 33 of the plug projection 6 at regular intervals.
  • These terminals 4 include upright contact portions 4a laid on the inner surface of the plug sidewalls 30 and "L"-shaped attachment tail portions 4a at its lower end.
  • the terminals 4 are fixed to the plug sidewalls 30 so that the "L"-shaped attachment tail portions 4a extend outwardly through the bottom of the housing 3 for attachment to opposing contact pads on a circuit board (not shown) , such as by soldering.
  • FIGS. 9 and 10 illustrate the metal grounding shell 5 of the connector assembly 29 as having an elongated rectangular shape that matches the configuration the plug projection 6 in order to surround and lie on the exterior surfaces of the plug projection sidewalls 30.
  • the grounding shell 5 is initially formed with a series of grounding and attachment leads 7 shown as thin strips or nails. These protective tabs 8 that surround them and the leads 7 and tabs 8 are formed along opposing sidewalls of the grounding shells.
  • the leads 7 are spaced apart at preselected intervals, preferably in multiples of the signal terminal-to- terminal distance so as to be in registration with corresponding selected male grounding terminals 4 of the plug connector component 1 when the grounding shell 5 is applied to the plug connector housing 3.
  • the provision of these multiple grounding leads 7 enhances the grounding characteristics of the connector component 1 and the connector assembly 29 by reducing the distance to an available grounding lead.
  • the grounding shell 5 is fixed to the plug connector housing 3 prior to fixing the male terminals 4 to the plug housing 3.
  • the protective tabs 8 are first cut and removed. Then the grounding shell 5 is applied over the housing's plug projection 6 in a manner so as to permit the "T"-shaped engagement tabs 9 (FIGS. 11 and 12) of the grounding shell 5 to engage corresponding engagement hooks 10 formed on the opposite ends of the plug housing 3, best shown in FIG. 13.
  • grounding-attachment leads 7 are then attached to the plug projection 6 so that their tips, or reentrant ends, are inserted into corresponding recesses 11 formed in the body portion of the plug connector component housing 3 where the leads 7 are then placed into contact with the tails 4b of selected male terminals 4. (FIG. 7.) The grounding leads 7 are held between the selected male terminal tails 4 and the plug connector component housing 3.
  • the plug housing 3 is preferably formed with two slotted endblocks 12 at each opposing end.
  • An " L" -shaped component attachment tab 14 (FIG. 5) is received in corresponding confronting slots 13 defined in the endblocks 12 so that the attachment leg 14a of the tab 14 is preferably coplanar with the attachment tails 4b of the male terminals 4 of the plug connector 1 that extend out of and along the bottom of the plug housing 3.
  • These attachment legs 14a permit the plug housing 1 to be attached to a circuit board (not shown) such as by soldering.
  • the receptacle connector 2 also includes an elongated insulative housing 15 having a plurality of blanked, female, conductive terminals 16 arranged at predetermined intervals within the receptacle housing 15 along the length of the connector component 2 in a spaced-apart order at the same interval as the male terminals 4 arranged within the plug housing 3.
  • the receptacle housing 15 is provided with an annular female recess 17 that is adapted to accommodate the corresponding annular plug projection 6 of the plug connector 1.
  • the female terminals 16 of the receptacle connector 2 are inserted from the bottom of the connector at predetermined intervals.
  • the receptacle housing 15 also has attachment tabs 14 disposed on its opposite ends for mounting the connector 2 to a circuit board.
  • the female terminals 16 of the receptacle connector component 2 are blanked out from a metal strip in symmetrical pairs of terminals adjoining each other.
  • Each terminal 16 can be seen to include a horizontal base portion 20, an upright connector engagement portion 18 connected thereto, and first and second contact portions 19 and 20.
  • the first contact portion 19 extends from the connector engagement portion 18 in a cantilevered fashion-like contact 19 and extends obliguely upward.
  • the second contact portion 21 also rises up from the base portion 20 and extends somewhat obliguely upwardly.
  • the first and second contact portions 19, 21 are spaced apart from each other on the base portion 18 and are separated by an intervening gap 35.
  • These two contact portions 19, 21 are formed, or preloaded in a fashion such that they extend slightly toward each other and slightly into the gap 35.
  • These two contact portions 19, 21 preferably further include respective head portions 48, 49 that face the connector housing recess 17, and as illustrated in FIG. 20, into the recess 17.
  • the first and second contact portions 19 and 21 thereof extend into receptacle housing recess 17, while the attachment tail portions 22 extend outward along the bottom of the receptacle housing 15 so that they are preferably coplanar with the attachment leg 14a of the attachment tab 14 at the ends of the receptacle housing 15.
  • the male terminals 4 of the plug connector 1 are arranged at same intervals as the female terminals 16 of the receptacle connector 2 so both terminal sets are in a one-to- one correspondence.
  • Certain of the female terminals 16 are designated as "signal" terminals and are trimmed in order to remove their second contact portions 21 (FIG. 21) so that their remaining first contact portions 19 are in position to make electrical contact with contact portions 4a of opposing male terminal 4 of the plug connector component 1. (FIG. 2.)
  • These signal terminals 16 that have their second contact portions 21 removed are inserted in the receptacle housing 15 in a manner such that their first contact portions 19 extend into the recesses 17 of the receptacle connector 2.
  • the remaining female terminals 16 are designated "ground" terminals in that they include both first, inner contact portions 19 and second, outer contact portions 21. Both of these terminal contact portions 19, 21 extend into the recess 17 of the receptacle connector 2 so that they respectively confront and contact male terminals 4 having tail portions 4b in contact with the grounding leads 7 of the grounding shell 5. (FIG. 2.) Each one of these ground terminals preferably lies between two adjoining signal terminals.
  • FIGS. 1 and 2 illustrate how the plug and receptacle components 1, 2 are mated together.
  • FIG. 1 is a cross- sectional view taken through the connector assembly 29 along a ground section, or plane, thereof where contact is effected between the receptacle connector component 2 and the grounding shield 5 of the plug connector component 1.
  • FIG. 2 is also a cross-sectional view of the connector assembly 29, but taken along a signal section, or plane, thereof where contact is effected between the signal transmitting terminals 4a, 19 of the two connector components 1, 2.
  • FIG. 1 it can be seen that certain of the male terminals 4 of the plug connector component 1 contact the grounding shield 5.
  • the contact portions 4a of the male signal terminals 4 are resiliently contacted by the first, or signal, contact portions 19 of the selected female terminals 16.
  • the first contact portions 19 of the female terminals 16 resiliently contact the contact portions 4a of the male terminals 4, and simultaneously the second contact portions 21 of the female terminals 16 resiliently contact the grounding shell 5 of the plug connector 1, thereby providing sure electric conduction to the ground.
  • Grounding of the selected circuits fed by the receptacle connector component is primarily effected by means of the second outer grounding contacts 21, that are integrally formed as part of the female terminals 16. This contributes a significant reduction of size, compared with the grounding structure requiring extra grounding terminals to be mounted in the insulating housing 15 of the receptacle connector 2.
  • the female terminal second contact portions 21 resiliently contact the outer circumference of the grounding shell 5, and therefore repeated engagement and disengagement of the plug and receptacle connector components 1 and 2 will not cause deformation of the grounding shell 5, thereby providing a sure conduction to the ground whenever the plug and receptacle connector components 1 and 2 are engaged together.
  • the plug projection 6 of the plug connector component 1 enters the receptacle recess 17 and the corresponding gap 35 between the female terminal first and second contact portions 19 and 21.
  • the contact portions 4a of the plug connector component male terminals 4 contact the corresponding contact portions 19 of the receptacle connector component female terminals 16, while at the same time, the female terminal second contact portions 21 contact the exterior surface of the grounding shell 5.
  • the first and second contacts 19 and 21 of the female terminals 16 will deflect away from each other, but because they were preformed, or preloaded to extend into their intervening gap 35, they will still maintain contact with the inserted plug projection 6. Because of only the second contact portions 21, the resistance offered to the insertion of the plug projection 6 stays an approximate constant without a sudden increase as would be experienced during insertion if extra terminals were used to make contact with the grounding shell 5. The further deflection of the female terminal first and second contact portions 19 and 21 still applies a reliable gripping force to the grounding shell 5 to ensure contact with the grounding shell 5.
  • the present invention results in the application of a more uniform contact force between the connector components and especially between the grounding terminals 21 and the grounding shell 5.
  • the present invention maintains the grounding shell 5 in its position on the exterior surface (s) of the plug connector component 1, rather than lifting or urging the grounding shell away from its supporting connector housing, as occurs in the prior art when grounding terminals are inserted into spaces provided between the grounding shell and its supporting connector housing.
  • the plug and receptacle connector components 1 and 2 may be attached to their respective circuit boards (not shown) by soldering their respective attachment tail portions 4b, 22 and their respective attachment tabs 14. Certain of the attachment tail portions 4b and 22 of the male and female terminals 4, 16 are connected to grounding circuits of the circuit boards, thereby further enhancing the grounding function provided by the grounding shell 5 in order to insulate the two connector components 1, 2 from interference of noise and crosstalk when mated together.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

Un ensemble connecteur électrique plaque à plaque, comprend un connecteur du type mâle (1) et un connecteur du type femelle (2) qui s'emboîtent l'un dans l'autre. Le connecteur du type mâle (1) comporte une enveloppe d'isolation (3) sur laquelle est formé un élément mâle (6) et sont disposées et fixées des bornes conductrices, à une certaine distance de l'enveloppe isolante. Des parties de contact (4a) des bornes (4) s'étendent sur l'élément mâle (6) et un boîtier de mise à la terre (5) est installé sur la surface extérieure de l'enveloppe (3) du connecteur du type mâle. Le connecteur du type femelle (2) comprend également une enveloppe isolante (15) dans laquelle est formé un évidement (17) qui reçoit l'élément mâle (6) et les bornes (16) fixées à l'enveloppe (15) du connecteur femelle, des premières parties de contact (19) s'étendant dans l'évidement (17). Certaines des bornes (16) présentent des deuxièmes parties de contact (21) qui s'étendent dans l'évidement de sorte qu'elles viennent en contact élastique avec le boîtier de mise à la terre (5) du connecteur mâle, lorsque l'élément mâle (6) est inséré dans l'évidement du connecteur femelle (2).
PCT/US1998/011527 1997-05-30 1998-05-28 Connecteur electrique grande vitesse, plaque a plaque, WO1998054793A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9/157635 1997-05-30
JP9157635A JPH10335000A (ja) 1997-05-30 1997-05-30 電気コネクタアッセンブリ

Publications (1)

Publication Number Publication Date
WO1998054793A1 true WO1998054793A1 (fr) 1998-12-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/011527 WO1998054793A1 (fr) 1997-05-30 1998-05-28 Connecteur electrique grande vitesse, plaque a plaque,

Country Status (2)

Country Link
JP (1) JPH10335000A (fr)
WO (1) WO1998054793A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG80086A1 (en) * 1998-12-31 2001-04-17 Connector Systems Tech Nv Press fit sca connector

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1320707C (zh) * 2003-12-11 2007-06-06 华琦电子工业股份有限公司 连接器
JP4758104B2 (ja) * 2005-01-21 2011-08-24 日本圧着端子製造株式会社 コネクタアッセンブリ

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5127839A (en) * 1991-04-26 1992-07-07 Amp Incorporated Electrical connector having reliable terminals
US5169324A (en) * 1986-11-18 1992-12-08 Lemke Timothy A Plug terminator having a grounding member
US5181855A (en) * 1991-10-03 1993-01-26 Itt Corporation Simplified contact connector system
US5277597A (en) * 1992-04-18 1994-01-11 Molex Incorporated Thin, applied-to-surface type of electric connector
US5641290A (en) * 1993-12-14 1997-06-24 Molex Incorporated Electric connector assembly for use in coupling two printed boards

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5169324A (en) * 1986-11-18 1992-12-08 Lemke Timothy A Plug terminator having a grounding member
US5127839A (en) * 1991-04-26 1992-07-07 Amp Incorporated Electrical connector having reliable terminals
US5181855A (en) * 1991-10-03 1993-01-26 Itt Corporation Simplified contact connector system
US5277597A (en) * 1992-04-18 1994-01-11 Molex Incorporated Thin, applied-to-surface type of electric connector
US5641290A (en) * 1993-12-14 1997-06-24 Molex Incorporated Electric connector assembly for use in coupling two printed boards

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG80086A1 (en) * 1998-12-31 2001-04-17 Connector Systems Tech Nv Press fit sca connector

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