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EP0718928A2 - Electrical connector assembly - Google Patents

Electrical connector assembly Download PDF

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Publication number
EP0718928A2
EP0718928A2 EP95120165A EP95120165A EP0718928A2 EP 0718928 A2 EP0718928 A2 EP 0718928A2 EP 95120165 A EP95120165 A EP 95120165A EP 95120165 A EP95120165 A EP 95120165A EP 0718928 A2 EP0718928 A2 EP 0718928A2
Authority
EP
European Patent Office
Prior art keywords
ground
contacts
connector
signal
plates
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.)
Granted
Application number
EP95120165A
Other languages
German (de)
French (fr)
Other versions
EP0718928B1 (en
EP0718928A3 (en
Inventor
Johan Vanbesien
Jacques Longueville
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0718928A2 publication Critical patent/EP0718928A2/en
Publication of EP0718928A3 publication Critical patent/EP0718928A3/en
Application granted granted Critical
Publication of EP0718928B1 publication Critical patent/EP0718928B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01R13/648—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
    • 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

Definitions

  • the invention relates to an electrical connector arrangement with a knife and a female connector made of insulating material, each of which has a plurality of signal contacts arranged in columns and rows, which can be connected to one another by plugging, each individual signal contact being shielded on all sides by sheet metal elements.
  • the crosstalk problem can be solved by passing the signals only over every second contact while the contacts in between are grounded.
  • the number of connections which can be used for signal transmission is drastically reduced, so that it appears to be of little use for applications with a high signal density.
  • the invention has for its object an improved To create connectors that can be used in particular as a printed circuit board connector that prevents unwanted crosstalk effects and that is easy to manufacture.
  • the present invention combats crosstalk with ground strips and ground plates, which, separated by knife and female connectors, lie between the rows of contacts or the contact gaps. This creates a mesh of all ground contacts with a homogeneous shielding effect regardless of the contact position in the PCB connector.
  • the exact arrangement of the ground strips 3 or ground platelets 4 in the connector can best be seen in FIGS. 1 and 2, while the meshing is best seen in FIGS. 3 to 7.
  • FIG. 1 and in particular 2 shows how a pluggable electrical contact of the ground plate 4 with the pin contacts 5 of the ground strip 3 is made. This contact remains guaranteed over the entire plug area and the service life of the plug.
  • the ground plates 4 are preferably connected to the printed circuit board using press-fit technology, sometimes on the edge of the board, sometimes behind the Signal connections to make the unbundling of the signals as difficult as possible.
  • the ground strips 3 run over the entire connector length, they are connected at regular intervals to the printed circuit board using press-fit technology, as indicated in FIG. 2. The distance between the connection points 6 is chosen so that the unbundling is disturbed as little as possible and the shielding effect remains optimal.
  • the position of the signal contacts is indicated in FIGS. 1 and 2 by "S".
  • grounding plates 4 and grounding strips 3 can advantageously be pressed in via the insulating body, so that the pressing tools can be kept as simple as possible.
  • ground plates 4 and strips 3 in combination with external shield plates 7, can be operated independently of the shield plates or can also be connected to them. This applies both to two side shield plates, compare FIGS. 4 and 5, and to a 360 ° circumferential shield cage, compare FIGS. 6 and 7.

Landscapes

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

Abstract

The connector has a knife strip (1) and a spring step (2) of plastic which each have signal contacts (5) each surrounded by screening elements, arranged in rows and columns. Ground strips (3) in the knife strips run over its entire length and are arranged between adjacent signal contact rows. Ground plates (4) are arranged in the spring strip between adjacent signal contact columns. Each ground strip is formed with pin-shaped ground contacts arranged in the inter-grid to the signal contacts. A plug-in contact is produced with each ground plate by the ground contacts.

Description

Die Erfindung betrifft eine elektrische Verbinderanordnung mit einer Messer- und einer Federleiste aus Isolierstoff, die jeweils eine Mehrzahl von in Spalten und Reihen angeordneten, durch Stecken miteinander verbindbaren Signalkontakten aufweisen, wobei jeder einzelne Signalkontakt durch Blechelemente allseitig geschirmt ist.The invention relates to an electrical connector arrangement with a knife and a female connector made of insulating material, each of which has a plurality of signal contacts arranged in columns and rows, which can be connected to one another by plugging, each individual signal contact being shielded on all sides by sheet metal elements.

Niederfrequenz-Leiterplattensteckverbinder werden in zunehmendem Maße mit schnelleren digitalen Signalen betrieben. Die sehr steilen Signalanstiegsflanken korrespondieren mit hohen Frequenzen. Dadurch entstehen Probleme mit der Signalübertragungsqualität, insbesondere entstehen zwischen benachbarten Signalkontakten unerwünschte Nebensprecheffekte.Low frequency circuit board connectors are increasingly being operated with faster digital signals. The very steep signal rising edges correspond to high frequencies. This creates problems with the signal transmission quality, in particular undesirable crosstalk effects arise between adjacent signal contacts.

Konventionell kann das Problem des Nebensprechens dadurch gelöst werden, daß die Signale nur über jeden zweiten Kontakt geführt werden, während die dazwischen liegenden Kontakte mit Masse belegt werden. Bei dieser Lösung ist jedoch die Anzahl der für die Signalübertragung nutzbaren Anschlüsse drastisch verringert, so daß sie für Anwendungen mit einer hohen Signaldichte wenig brauchbar erscheint.Conventionally, the crosstalk problem can be solved by passing the signals only over every second contact while the contacts in between are grounded. With this solution, however, the number of connections which can be used for signal transmission is drastically reduced, so that it appears to be of little use for applications with a high signal density.

Aus der DE 40 40 551 C2 ist es bekannt, ein Übersprechen zwischen einander benachbarten Anschlüssen in einander benachbarten vertikalen Reihen durch Einfügen eines Abschirmelements zwischen die vertikalen Anschlußreihen einer Federleiste zu verhindern. Nachteilig bei dieser Lösung ist jedoch, daß von den fünf verfügbaren Kontaktreihen nur drei Reihen für Signale brauchbar sind, und zwei Reihen mit Masse belegt werden. Aus EP 0 486 298 A1 ist andererseits eine Verbinderanordnung bekannt, bei der zwischen den Signalkontakten jeweils um eine halbe Teilung versetzt Massekontakte angeordnet sind, so daß im gesteckten Zustand die Signalkontakte von Massekontakten umgeben sind. Auch diese Lösung ist insofern nicht ideal, als die Einzelkontakte für die Masseführung alle einzeln in die Leiterplatten kontaktiert werden und damit die Entflechtung der Signale erheblich erschweren.From DE 40 40 551 C2 it is known to prevent crosstalk between adjacent connections in adjacent vertical rows by inserting a shielding element between the vertical connection rows of a female connector. A disadvantage of this solution, however, is that only three rows of the five available contact rows are usable for signals, and two rows are grounded. From EP 0 486 298 A1, on the other hand, a connector arrangement is known in which ground contacts are arranged offset by half a division between the signal contacts are, so that the signal contacts are surrounded by ground contacts when plugged in. This solution is also not ideal insofar as the individual contacts for grounding are all individually contacted in the printed circuit boards and thus make the unbundling of the signals considerably more difficult.

Aus Markt und Technik - Wochenzeitung für Elektronik, Nr. 26 vom 24. Juni 1994, Seiten 36 bis 37, ist ein Mitglied der 2,5-mm-Steckverbinderfamilie "SIPAC" gemäß dem oben zitierten Oberbegriff des Patentanspruchs 1 bekannt geworden. Dabei erfolgt jedoch eine durchgehende Schirmung jedes einzelnen Kontaktes mit einem dichten metallischen, quadratischen Schacht. Das für diesen Schacht erforderliche "Gefache" von Längs- und Querblechen, die im Abstand von 2,5mm zueinander angeordnet sind, ist vollständig innerhalb der Federleiste angeordnet. An den Durchdringungsstellen der Quer- und Längsbleche müssen deshalb Schlitze vorgesehen werden, die gegenseitig ineinandergreifen und elektrisch hochwertig miteinander kontaktieren.From Market and Technology - Weekly newspaper for electronics, No. 26 of June 24, 1994, pages 36 to 37, a member of the 2.5 mm connector family "SIPAC" has become known according to the preamble of claim 1 cited above. However, each individual contact is continuously shielded with a dense, metallic, square shaft. The "compartment" required for this shaft of longitudinal and transverse sheets, which are arranged at a distance of 2.5 mm from one another, is arranged entirely within the female connector. Slits must therefore be provided at the penetration points of the transverse and longitudinal sheets, which interlock and make high-quality electrical contact.

Der Erfindung liegt die Aufgabe zugrunde, einen verbesserten
   Steckverbinder zu schaffen, der insbesondere als Leiterplattensteckverbinder verwendbar ist, der unerwünschte Nebensprecheffekte verhindert und der einfach herstellbar ist.The invention has for its object an improved
To create connectors that can be used in particular as a printed circuit board connector that prevents unwanted crosstalk effects and that is easy to manufacture.

Diese Aufgabe wird erfindungsgemäß bei einer Verbinderanordnung der eingangs genannten Art dadurch gelöst,

  • a) daß in der Messerleiste über deren gesamte Länge verlaufende Massestreifen vorgesehen und zwischen benachbarten Signalkontaktreihen angeordnet sind,
  • b) daß in der Federleiste zwischen benachbarten Signalkontaktspalten Masseplättchen angeordnet sind,
  • c) und daß jeder Massestreifen mit stiftförmigen, im Zwischenraster zu den Signalkontakten angeordneten Massekontakten ausgebildet ist, durch die ein steckbarer elektrischer Kontakt mit jedem der Masseplättchen herstellbar ist.
This object is achieved according to the invention in a connector arrangement of the type mentioned at the outset by
  • a) that ground strips running over their entire length are provided and are arranged between adjacent signal contact rows,
  • b) that ground plates are arranged in the female connector between adjacent signal contact gaps,
  • c) and that each ground strip is designed with pin-shaped, arranged in the intermediate grid to the signal contacts ground contacts through which a pluggable electrical Contact can be made with any of the mass plates.

Weiterbildungen der Erfindung sind Gegenstand von Unteransprüchen.Developments of the invention are the subject of dependent claims.

Im folgenden wird die Erfindung anhand eines Ausführungsbeispiels und den Figuren der Zeichnung näher erläutert. Es zeigt:

Figur 1
eine geschnittene Seitenansicht einer erfindungsgemäßen Verbinderanordnung,
Figur 2
die gleiche Verbinderanordnung wie in Figur 1, jedoch in Draufsicht von oben,
Figuren 3 bis 7
verschiedene Ausführungen der allseitigen Abschirmung der Signalkontakte durch eine Vermaschung aller Massekontakte, beziehungsweise durch zusätzliche externe Schirmwände.
The invention is explained in more detail below with the aid of an exemplary embodiment and the figures of the drawing. It shows:
Figure 1
2 shows a sectional side view of a connector arrangement according to the invention,
Figure 2
the same connector arrangement as in Figure 1, but in plan view from above,
Figures 3 to 7
Different versions of the all-round shielding of the signal contacts by meshing all ground contacts or by additional external shield walls.

Die vorliegende Erfindung bekämpft das Nebensprechen mit Massestreifen und Masseplättchen, die, getrennt nach Messer- und Federleiste, zwischen den Kontaktreihen beziehungsweise den Kontaktspalten liegen. Dadurch entsteht eine Vermaschung aller Massekontakte, mit einer homogenen Schirmwirkung unabhängig von der Kontaktlage im Leiterplatten-Steckverbinder. Die genaue Anordnung der Massestreifen 3 beziehungsweise Masseplättchen 4 im Steckverbinder ergibt sich am besten aus den Figuren 1 und 2, während die Vermaschung am besten aus den Figuren 3 bis 7 erkennbar ist.The present invention combats crosstalk with ground strips and ground plates, which, separated by knife and female connectors, lie between the rows of contacts or the contact gaps. This creates a mesh of all ground contacts with a homogeneous shielding effect regardless of the contact position in the PCB connector. The exact arrangement of the ground strips 3 or ground platelets 4 in the connector can best be seen in FIGS. 1 and 2, while the meshing is best seen in FIGS. 3 to 7.

In Figur 1 und insbesondere 2 ist dargestellt, wie ein steckbarer elektrischer Kontakt der Masseplättchen 4 mit den Stiftkontakten 5 der Massestreifen 3 hergestellt ist. Diese Kontaktgabe bleibt über den gesamten Steckbereich und die Lebensdauer des Stecker gewährleistet. Die Masseplättchen 4 werden an der Leiterplatte vorzugsweise in Einpreßtechnik angeschlossen, mal am Leiterplattenrand, mal hinter den Signalanschlüssen, um die Entflechtung der Signale möglichst wenig zu erschweren. Die Massestreifen 3 laufen über die gesamte Steckverbinderlänge, sie werden in regelmäßigen Abständen an der Leiterplatte in Einpreßtechnik, wie in Fig 2 angedeutet, angeschlossen. Der Abstand zwischen den Anschlußpunkten 6 wird so gewählt, daß die Entflechtung möglichst wenig gestört wird und die Schirmwirkung optimal bleibt. Die Position der Signalkontakte ist in den Fig 1 und 2 durch "S" angedeutet.In Figure 1 and in particular 2 shows how a pluggable electrical contact of the ground plate 4 with the pin contacts 5 of the ground strip 3 is made. This contact remains guaranteed over the entire plug area and the service life of the plug. The ground plates 4 are preferably connected to the printed circuit board using press-fit technology, sometimes on the edge of the board, sometimes behind the Signal connections to make the unbundling of the signals as difficult as possible. The ground strips 3 run over the entire connector length, they are connected at regular intervals to the printed circuit board using press-fit technology, as indicated in FIG. 2. The distance between the connection points 6 is chosen so that the unbundling is disturbed as little as possible and the shielding effect remains optimal. The position of the signal contacts is indicated in FIGS. 1 and 2 by "S".

Das Einpressen der Masseplättchen 4 und Massestreifen 3 kann vorteilhaft über den Isolierkörper erfolgen, damit die Einpreßwerkzeuge möglichst einfach gehalten werden können. In der Kombination mit externen Schirmblechen 7 können Masseplättchen 4 und Streifen 3 , wie in den Figuren 4 bis 7 dargestellt, unabhängig von den Schirmblechen betrieben oder auch mit diesen verbunden werden. Dies gilt sowohl für zwei seitliche Schirmbleche, vergleiche Figuren 4 und 5, als auch für einen 360° umlaufenden Schirmkäfig, vergleiche Figuren 6 und 7.The grounding plates 4 and grounding strips 3 can advantageously be pressed in via the insulating body, so that the pressing tools can be kept as simple as possible. In combination with external shield plates 7, ground plates 4 and strips 3, as shown in FIGS. 4 to 7, can be operated independently of the shield plates or can also be connected to them. This applies both to two side shield plates, compare FIGS. 4 and 5, and to a 360 ° circumferential shield cage, compare FIGS. 6 and 7.

Claims (4)

Elektrische Verbinderanordnung,
mit einer Messer(1)- und einer Federleiste(2) aus Isolierstoff, die jeweils eine Mehrzahl von in Spalten und Reihen angeordneten, durch Stecken miteinander verbindbaren Signalkontakten(S) aufweisen, wobei jeder einzelne Signalkontakt(S) durch Blechelemente allseitig geschirmt ist,
dadurch gekennzeichnet, a) daß in der Messerleiste(1) über deren gesamte Länge verlaufende Massestreifen(3) vorgesehen und zwischen benachbarten Signalkontaktreihen angeordnet sind, b) daß in der Federleiste(2) zwischen benachbarten Signalkontaktspalten Masseplättchen(4) angeordnet sind, c) und daß jeder Massestreifen(3) mit stiftförmigen, im Zwischenraster zu den Signalkontakten(S) angeordneten Massekontakten(5) ausgebildet ist, durch die ein steckbarer elektrischer Kontakt mit jedem der Masseplättchen(4) herstellbar ist. Electrical connector assembly,
with a knife (1) - and a female connector (2) made of insulating material, each of which has a plurality of signal contacts (S) arranged in columns and rows, which can be connected to one another by plugging, each individual signal contact (S) being shielded on all sides by sheet metal elements,
characterized, a) that ground strips (3) extending over their entire length are provided in the male connector (1) and are arranged between adjacent signal contact rows, b) that ground plates (4) are arranged in the female connector (2) between adjacent signal contact gaps, c) and that each ground strip (3) is designed with pin-shaped, in the intermediate grid to the signal contacts (S) arranged ground contacts (5), through which a pluggable electrical contact can be made with each of the ground plates (4). Verbinderanordnung nach Anspruch 1,
dadurch gekennzeichnet,
daß die Messer(1)- und die Federleiste(2) sowie die Massestreifen(3) und die Masseplättchen(4) in Einpreßtechnik an zwei durch die Verbinderanordnung zu verbindende Leiterplatten angeschlossen sind, wobei die geometrische Anordnung der Masseanschlüsse relativ zu den Signalanschlüssen auf eine Entflechtung der Signale hin optimiert ist.Connector assembly according to claim 1,
characterized,
that the knife (1) - and the female connector (2) as well as the ground strip (3) and the ground plate (4) are connected in press-fit technology to two circuit boards to be connected by the connector arrangement, the geometric arrangement of the ground connections relative to the signal connections to one Unbundling of the signals is optimized. Verbinderanordnung nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
daß von der Vermaschung der Massekontakte elektrisch unabhängige, zusätzliche externe Schirmbleche(7) vorgesehen sind.Connector arrangement according to claim 1 or 2,
characterized,
that electrically independent, additional external shield plates (7) are provided from the meshing of the ground contacts. Verbinderanordnung nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
daß zusätzliche externe Schirmbleche(7) vorgesehen sind, die mit der Vermaschung der Massekontakte elektrisch verbunden sind.Connector arrangement according to claim 1 or 2,
characterized,
that additional external shield plates (7) are provided which are electrically connected to the meshing of the ground contacts.
EP95120165A 1994-12-22 1995-12-20 Electrical connector assembly Expired - Lifetime EP0718928B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4446100 1994-12-22
DE4446100 1994-12-22

Publications (3)

Publication Number Publication Date
EP0718928A2 true EP0718928A2 (en) 1996-06-26
EP0718928A3 EP0718928A3 (en) 1998-03-04
EP0718928B1 EP0718928B1 (en) 1999-06-16

Family

ID=6536788

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95120165A Expired - Lifetime EP0718928B1 (en) 1994-12-22 1995-12-20 Electrical connector assembly

Country Status (5)

Country Link
US (1) US5632635A (en)
EP (1) EP0718928B1 (en)
JP (1) JPH08236216A (en)
AT (1) ATE181463T1 (en)
DE (1) DE59506232D1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009036865A3 (en) * 2007-09-17 2009-05-07 Rohde & Schwarz Plug-in connector comprising a modified insulator duct for shielding electromagnetic radiation

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US5876248A (en) * 1997-01-14 1999-03-02 Molex Incorporated Matable electrical connectors having signal and power terminals
US6494734B1 (en) 1997-09-30 2002-12-17 Fci Americas Technology, Inc. High density electrical connector assembly
EP1450442A3 (en) * 1998-08-12 2004-12-01 Robinson Nugent, Inc. Connector apparatus
US6231391B1 (en) 1999-08-12 2001-05-15 Robinson Nugent, Inc. Connector apparatus
US6471547B1 (en) 1999-06-01 2002-10-29 John T. Venaleck Electrical connector for high density signal interconnections and method of making the same
NL1013740C2 (en) * 1999-12-03 2001-06-06 Fci S Hertogenbosch B V Shielded connector.
DE60110070T2 (en) 2000-06-29 2006-05-11 3M Innovative Properties Co., Saint Paul CONNECTOR FOR HIGH TRANSMISSION SPEED
US6428358B1 (en) * 2000-12-28 2002-08-06 Intel Corporation Socket with embedded conductive structure and method of fabrication therefor
US6612857B2 (en) 2001-07-05 2003-09-02 Bernard R. Tolmie Electrical connector system and method having optical and/or cooling capability
US6821146B2 (en) * 2002-01-07 2004-11-23 Bernard R. Tolmie Hybrid connector system and method
JP2004087348A (en) 2002-08-28 2004-03-18 Fujitsu Component Ltd Connector device
WO2005053102A2 (en) * 2003-11-21 2005-06-09 Ohio Associated Enterprises Llc Cable assembly and method of making
US7484989B2 (en) * 2006-11-29 2009-02-03 Ohio Associated Enterprises, Llc Low friction cable assembly latch
US8475177B2 (en) * 2010-01-20 2013-07-02 Ohio Associated Enterprises, Llc Backplane cable interconnection
US9281630B2 (en) * 2014-07-11 2016-03-08 Tyco Electronics Corporation Electrical connector systems
KR102312443B1 (en) 2018-06-12 2021-10-12 주식회사 엘지에너지솔루션 Connector with surge protection and Printed circuit borad including the same

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Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009036865A3 (en) * 2007-09-17 2009-05-07 Rohde & Schwarz Plug-in connector comprising a modified insulator duct for shielding electromagnetic radiation
US7980866B2 (en) 2007-09-17 2011-07-19 Rohde & Schwarz Gmbh & Co. Kg Plug-in connector comprising a modified insulator duct for shielding electromagnetic radiation

Also Published As

Publication number Publication date
EP0718928B1 (en) 1999-06-16
JPH08236216A (en) 1996-09-13
EP0718928A3 (en) 1998-03-04
ATE181463T1 (en) 1999-07-15
US5632635A (en) 1997-05-27
DE59506232D1 (en) 1999-07-22

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