EP2313948B1 - Insert and method of assembling such an insert - Google Patents
Insert and method of assembling such an insert Download PDFInfo
- Publication number
- EP2313948B1 EP2313948B1 EP09740401A EP09740401A EP2313948B1 EP 2313948 B1 EP2313948 B1 EP 2313948B1 EP 09740401 A EP09740401 A EP 09740401A EP 09740401 A EP09740401 A EP 09740401A EP 2313948 B1 EP2313948 B1 EP 2313948B1
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- European Patent Office
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- contacts
- areas
- central plate
- insert
- average width
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- 238000000034 method Methods 0.000 title claims description 6
- 239000003990 capacitor Substances 0.000 claims description 44
- 239000007787 solid Substances 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 description 13
- 230000001939 inductive effect Effects 0.000 description 9
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 238000002955 isolation Methods 0.000 description 7
- 239000004020 conductor Substances 0.000 description 6
- 230000003071 parasitic effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000001154 acute effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000003416 augmentation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
Images
Classifications
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- 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
- H01R13/6461—Means for preventing cross-talk
- H01R13/6464—Means for preventing cross-talk by adding capacitive elements
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- 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
- H01R13/02—Contact members
-
- 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
- H01R13/66—Structural association with built-in electrical component
- H01R13/6608—Structural association with built-in electrical component with built-in single component
- H01R13/6625—Structural association with built-in electrical component with built-in single component with capacitive component
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/43—Electric condenser making
Definitions
- the present invention relates to an insert and a method of assembling such an insert. It applies, in particular, inserts for the connection of electronic or computer systems, including inserts type RJ45 (acronym for Registered Jack).
- a plug, or "plug” is intended to ensure, by insertion into an insert, or plug, the electrical connection between electrical lines present on the one hand in the plug and on the other hand, in the insert.
- the plates of the plug bear respectively on corresponding contacts, or homologues, of the insert.
- electromagnetic induction effects induce crosstalk, that is to say a disturbance of the signals conveyed on a line by the signals carried on the neighboring lines. .
- twisted pairs are used in cables for data transmission in telephone and computer networks.
- NEXT acronym for Near End CrossTalk
- an RJ45 connector is a physical interface often used to terminate twisted pair cables. It has eight pins of electrical connections.
- ISO IEC 11801 (amendment 1 and amendment 2, in progress) defines the performance of a transmission channel.
- this document provides a lateral extension (114) starting from the first contact (B), passing in front of the second (A) to extend in front of the third (C). In this way, the capacitance created between the third and fifth contacts compensates for the capacity of the plug causing the crosstalk.
- a lateral extension (124) starts from the fourth contact (D), passes in front of the third (C) to extend in front of the second (B) to form a compensation capacitor.
- this document provides four compensation capacitors (16A, 16B, 16C and 16D) formed in the same manner by lateral extensions 3 and 6 on either side of the third and sixth contacts.
- the document US 2002/0081908 relates to a low crosstalk insert.
- the second preferred embodiment comprises two half-inserts (120a and 120b) separated by an air layer (142) which surround the even conductors, on the one hand (120a). ) and odd, on the other hand (120b).
- capacitors are formed between three conductors (T2, T3, T4 and R1, R3, R2, respectively), thanks to local deformations of the conductors, called “protrusions".
- the central conductor (respectively T3 and R3) has, as illustrated in FIG. 17, two lateral extensions which respectively face lateral extensions of the other conductors.
- the third embodiment of this document aims, in this respect, to reduce the inductive effects.
- the present invention aims to remedy these disadvantages.
- an insert comprising at least three contacts having substantially linear portions, which further comprises at least a three-pole capacitance between three of said contacts, one of the contacts of each three-pole capacitor being connected to a central armature, a first dimension of the central armature, in the direction perpendicular to said substantially linear portions being greater than a second dimension, in a direction parallel to said substantially linear portions, said second dimension defining the widths of the zones of said central armature, the average width of said central armature, between the zones where said central armature is opposite other armatures, called "lateral", connected to the other contacts of said three-pole capacitor, being greater than one-third of the average width of said armature central in said areas.
- the average width of said central armature, between the zones where it is opposite lateral armatures, is greater than one third of the distance between the lateral armatures.
- the minimum width of said central armature, between the zones where said central armature faces the lateral armatures, is greater than one-third of the average width of said central armature in said zones.
- the minimum width of said central armature, between the zones where it is opposite lateral armatures, is greater than one third of the distance between the lateral armatures.
- the average width of said central armature, between the zones where said central armature faces the lateral armatures, is greater than half the average width of said central armature in said areas.
- the average width of the central armature, between the zones where it is opposite the lateral armatures is greater than two-thirds of the average width of said armature in said zones.
- the average width of the central armature, between the zones where it is opposite lateral armatures is equal to the average width of said armature in said zones.
- the average width of said central armature, between the zones where it is opposite the lateral armatures, is greater than half the distance between the lateral armatures.
- the minimum width of said central armature, between the zones where said central armature faces the lateral armatures, is greater than half the average width of said central armature in said areas.
- the minimum width of the central armature, between the zones where it is opposite the lateral armatures, is greater than two-thirds of the average width of said armature in said zones.
- the minimum width of the central armature, between the zones where it is opposite the lateral armatures, is equal to the average width of said armature in said zones.
- the minimum width of said central armature, between the zones where it is opposite the lateral armatures, is greater than half the distance between the lateral armatures.
- the average width of said central armature, between the zones where it is opposite the lateral armatures, is greater than two-thirds of the distance between the lateral armatures.
- the average width of said central armature, between the zones where it is opposite the lateral armatures, is greater than or equal to the distance between the lateral armatures.
- the central armature is solid.
- the insert object of the present invention comprises at least five consecutive contacts and at least one three-pole capacitance between the first, third and fifth contacts.
- the insert object of the present invention comprises eight consecutive contacts and at least one three-pole capacitance between the fourth, sixth and eighth contacts.
- the insert which is the subject of the present invention, as briefly described above, comprises means for separating the contacts into two groups of contacts spaced apart from one another, one of the groups comprising the contacts -pairs and the other involving odd contacts.
- At least one three-pole capacitance comprises a dielectric film interposed between frames.
- the present invention is directed to a method of assembling an insert which comprises a step of assembling at least three contacts having substantially linear portions, which furthermore comprises a step of producing from less a three-pole capacitance between three of said contacts, one of the contacts of each three-pole capacitor being connected to a central armature, a first dimension of the central armature, in the direction perpendicular to said substantially linear portions being greater than a second dimension, in a direction parallel to said portions substantially linear, said second dimension defining the widths of the zones of said central armature, the average width of said central armature, between the zones where said central armature is opposite other reinforcements, called "lateral", connected to the other contacts of said three-pole capacitor, being greater than one-third of the average width of said central armature in said areas.
- the theoretical crosstalk compensation scheme for an RJ45 standard plug comprises, in an insert, a capacitance 13 between the first and third contacts, a capacitance 35 between the third and fifth contacts, a capacitor 46 between the fourth and sixth contacts and a capacity 68 between the sixth and eighth contacts.
- the capacitive couplings of the plug are thus compensated by the capacitive couplings of the insert.
- the more capacitive compensation couplings of the insert are close to the capabilities of the plug the higher the level of performance of the torque formed of the insert and the plug is high. Indeed, the conductors located between the capacitive couplings of the plug and the capacitive compensation couplings of the insert, introduce inductances detrimental to the compensations sought.
- the intrinsic capacitive couplings of the plug and the compensation couplings made in the insert are balanced.
- figure 2 only the conductive parts of a particular embodiment of an insert which is the subject of the present invention are shown.
- the contacts have substantially linear and substantially parallel portions which define a first direction, perpendicular to these substantially linear portions and horizontal in the 3D figures, 3E , 4D and 4E and a second direction parallel to these substantially linear portions, vertical in these 3D figures, 3E , 4D and 4E .
- a dielectric film 120 separates the contacts 101 and 105, above, and the contact 103, below.
- the contacts 101 and 105 are provided with rectangular lateral extensions, respectively 141 and 145, extending along the dielectric film 120.
- the contact 103 is provided with rectangular lateral extensions 143 extending along the dielectric film 120 in a manner that to form, with the contacts 101 and 105 and their lateral extensions 141 and 145, a three-pole capacitance.
- the contact 103 and its lateral extensions 143 form a central armature of this three-pole capacitance.
- the contact 101 and its lateral extension 141 form a first lateral reinforcement.
- the contact 105 and its lateral extension 145 form a second lateral reinforcement.
- the second dimension defines the "widths" of the zones of the central frame mentioned below.
- the average width of the central reinforcement between the zones where the said central reinforcement is opposite the lateral reinforcement is greater than, in the order of increasing preference, one-third, one-half, two-thirds and three-quarters of the average width of said central frame in said areas. Even more preferentially, the average width of the central reinforcement between the zones where said central reinforcement is opposite the lateral reinforcement is greater than or equal to the average width of the central reinforcement in these zones.
- the average widths are the minimum widths because the latter are constant.
- the minimum width of the central armature, between the zones where said central armature is opposite the lateral armatures is greater than, in the order of increasing preference, one-third, one-half, two-thirds and three-quarters the average width of said central armature in said areas.
- the minimum width of the central frame, between the zones where said central frame is in Side frames look is greater than or equal to the average width of the center frame in these areas.
- the minimum width and the average width of the central armature, between the zones where said central armature is opposite the lateral armatures are equal to the average width of said central armature. in said areas.
- the minimum width of the electrical connection between the two plates of the capacitors 3 is about one fifth of the average width of the armatures of the capacitors 3 (respectively 6), which induces a non-negligible inductive effect.
- the average width of the central reinforcement, between the zones where it is opposite the lateral reinforcement is, in the order of increasing preference, greater than one-third, half, two-thirds of the distance between the side frames. Even more preferably, the average width of the central frame, between the areas where it is opposite the side frames, is greater than or equal to the distance between the side frames.
- the average widths are the minimum widths because the latter are constant.
- the minimum width of the central frame, between the areas where it is opposite the side frames is, in the order of increasing preference, greater than one-third, half, two-thirds of the distance between the side frames. Even more preferably, the minimum width of the central frame, between the areas where it is opposite the side frames, is greater than or equal to the distance between the side frames.
- a three-pole capacitance thus constituted is characterized by the virtually total absence of an inductive effect between the two parallel armatures lying opposite a single armature.
- the contact 107 is, with respect to the dielectric film 120, on the same side as the contact 103.
- a dielectric film 130 separates the contacts 104 and 108, below, and the contact 106, above.
- the contacts 104 and 108 are provided with rectangular lateral extensions, respectively 144 and 148, extending along the dielectric film 130.
- the contact 106 is provided with rectangular lateral extensions 146 extending along the dielectric film 130 so to form, with the contacts 104 and 108 and their lateral extensions, a three-pole capacitance.
- a three-pole capacitance identical to that formed between the contacts 101, 103 and 105 is formed between the contacts 104, 106 and 108.
- the contact 102 is, with respect to the dielectric film 130, on the same side as the contact 106.
- the contact 101 descends to join the plane of the dielectric film 130. Then the contacts 101 and 102 are parallel to each other and return, after a curved zone forming an acute angle, towards the rear of the insert to form their zone curved contact forming an obtuse angle.
- the contact 107 goes down to join the plane of the dielectric film 130. Then the contacts 107 and 108 are parallel to each other and to the contacts 101 and 102.
- the contact 103 and the contact 105 are substantially parallel and have a curved contact zone forming an obtuse angle.
- the contact 104 and the contact 106 are substantially parallel and have a curved contact zone forming an obtuse angle.
- Each of the separated contact groups comprising respectively the even reference contacts and the odd reference contacts, thus comprises four contacts, three of which, with conductive lateral extensions, have a three-pole capacitance.
- a dielectric layer for example a polyimide film, is provided for separating the armatures of each three-pole capacitor.
- multipolar capacitors has the advantage of eliminating the parasitic inductances of the connections between capacitors.
- the removal of these parasitic inductances improves the efficiency of the compensations which has the effect of ensuring a better performance by increasing the bandwidth of the product as well as the insulation between pairs.
- the lateral extensions each have a rectangular parallelepiped shape, their inductance is reduced with respect to a shape that would have included a finer intermediate portion.
- the insert illustrated in figure 2 is constituted by assembling, in particular, two subassemblies, improperly called "half-insert" thereafter, which each solidarize one of two groups of contacts formed of even contacts, on the one hand, and odd contacts , on the other hand.
- the first half-insert illustrated in FIGS. 3A to 3E , comprises a body 305 which secures the contacts 101, 103, 105 and 107 and the dielectric film 120.
- Each of the contacts comprises an end portion 310, intended for its connection with a power line connected to the insert, and a longitudinal extension 315 which has a contact zone with a plate homologous to the corresponding form.
- the longitudinal extensions of the extreme contacts, 101 and 107 have an elbow forming an acute angle before reaching the contact zone.
- the longitudinal extensions of the central contacts, 103 and 105 have obtuse angles, including the angle formed at the contact area.
- FIGS. 3C to 3E illustrate the shape of the lateral extensions 141, 143 and 145 of the contacts 101, 103 and 105, inside the body 305.
- the contact 103 has two lateral extensions 143 respectively extending towards the contacts 101 and 105.
- the contact 101 has a lateral extension 141 extending towards the contact 103.
- the contact 105 has a lateral extension 145 s extending to the contact 103.
- an electrical insulation allows the constitution of a three-pole capacitor.
- the second half-insert illustrated in FIGS. 4A to 4E , comprises a body 405 which secures the contacts 102, 104, 106 and 108 and the dielectric film 130.
- Each of the contacts comprises an end portion 410, intended for its connection with a power line connected to the insert, and a longitudinal extension 415 which has a contact zone with a plate homologous to the corresponding form.
- the longitudinal extensions of the extreme contacts, 102 and 108 have an elbow forming an acute angle before reaching the contact zone.
- the longitudinal extensions of the central contacts, 104 and 106 have obtuse angles, including the angle formed at the contact area.
- FIGS. 4C to 4E illustrate the shape of the lateral extensions 144, 146 and 148 of the contacts 104, 106 and 108, inside the body 405.
- the contact 106 has two lateral extensions 146 extending respectively to the contacts 104 and 108.
- the contact 108 has a lateral extension 148 extending towards the contact 106.
- the contact 104 has a lateral extension 144 extending towards the contact 106.
- a film of dielectric material provides electrical insulation and allows the constitution of a tripolar capacitor.
- the first half-insert comprises, on the opposite side to the side of the contact zones, pins 350 and holes 355 which respectively correspond, in Figure 4A , in the second half-insert, on the side of the contact zones, 360 holes, pins 365 to achieve a precise assembly of the two half-insert during the constitution of the insert.
- the equivalent electrical diagram of the insert illustrated in Figures 2 to 4E comprises two three-pole capacitors 135 and 468 formed respectively, in the body 305 of the first half-insert, between the lateral extensions of the contacts 101, 103 and 105 and, in the body 405 of the second half-insert, between the lateral extensions of the contacts 104
- these three-pole capacitors have the advantage of considerably reducing the problems of parasitic inductance.
- the experimental tripolar capacitance 705 serving to show the reduction of the inductive effect obtained has a rectangular central armature 710 extending, for example over a length 711 of 6 mm and having a width 712 of 1 mm and two lateral armatures. 713 and 714 1.5 mm in length and 1 mm in width completely overlapping the ends of the central frame 710.
- the ratio of the resulting width to the initial width is on the abscissa and the rate of increase of the inductance 750 is on the ordinate.
Description
La présente invention concerne un insert et un procédé d'assemblage d'un tel insert. Elle s'applique, en particulier, aux inserts pour la connexion de systèmes électroniques ou informatiques, notamment aux inserts de type RJ45 (acronyme de Registered Jack).The present invention relates to an insert and a method of assembling such an insert. It applies, in particular, inserts for the connection of electronic or computer systems, including inserts type RJ45 (acronym for Registered Jack).
Une fiche, ou « plug », est destinée à assurer, par insertion dans un insert, ou prise, la connexion électrique entre des lignes électriques présentes d'une part dans la fiche et, d'autre part, dans l'insert. Lors de cette insertion, des plaquettes de la fiche viennent en appui, respectivement, sur des contacts correspondants, ou homologues, de l'insert. Les lignes électriques et les plaquettes parallèles étant proches, des effets d'induction électromagnétiques induisent une diaphonie (en anglais « crosstalk »), c'est-à-dire une perturbation des signaux véhiculés sur une ligne par les signaux véhiculés sur les lignes voisines.A plug, or "plug", is intended to ensure, by insertion into an insert, or plug, the electrical connection between electrical lines present on the one hand in the plug and on the other hand, in the insert. During this insertion, the plates of the plug bear respectively on corresponding contacts, or homologues, of the insert. As electrical lines and parallel plates are close together, electromagnetic induction effects induce crosstalk, that is to say a disturbance of the signals conveyed on a line by the signals carried on the neighboring lines. .
Afin de minimiser la diaphonie, on utilise, par exemple, des paires torsadées dans les câbles servant aux transmissions de données dans les réseaux téléphoniques et informatiques. Cependant, un type de diaphonie locale, dit « de terminaison de ligne », ou NEXT (acronyme de Near End CrossTalk), reste présent.In order to minimize crosstalk, for example, twisted pairs are used in cables for data transmission in telephone and computer networks. However, a type of local crosstalk, called "line termination", or NEXT (acronym for Near End CrossTalk), remains present.
En effet, pour les hautes fréquences, un effet de capacité entre les plaquettes parallèles de la fiche provoque de la diaphonie dite « para-diaphonique ».Indeed, for high frequencies, a capacitance effect between the parallel plates of the plug causes the so-called "para-crosstalk" crosstalk.
Pour réduire cette perturbation, le standard RJ45 CAT6A, qui concerne les réseaux à 10 Gbits impose une isolation para-diaphonique, à savoir :
- 54 dB d'isolation para-diaphonique à 100 MHz,
- 46 dB d'isolation para-diaphonique à 250 MHz et
- 37 dB d'isolation para-diaphonique à 500 MHz.
- 54
dB 100 MHz para-crosstone isolation, - 46 dB of para-crosstone isolation at 250 MHz and
- 37 dB of 500 MHz para-crosstone isolation.
On rappelle ici qu'un connecteur RJ45 est une interface physique souvent utilisée pour terminer les câbles de type paire torsadée. Il comporte huit broches de connexions électriques.It is recalled here that an RJ45 connector is a physical interface often used to terminate twisted pair cables. It has eight pins of electrical connections.
La norme ISO CEI 11801 (amendement 1 et amendement 2, en cours) définit les performances d'un canal de transmission.ISO IEC 11801 (
On connaît le document
Cette solution technique présente de nombreux inconvénients. Comme illustré en
Le document
Dans chacun de ces demi-inserts, des capacités sont formées entre trois conducteurs (T2, T3, T4 et R1, R3, R2, respectivement), grâce à des déformations locales des conducteurs, dites « protrusions ». Le conducteur central (respectivement T3 et R3) présente, comme illustré en figure 17, deux extensions latérales qui font respectivement face à des extensions latérales des autres conducteurs.In each of these half-inserts, capacitors are formed between three conductors (T2, T3, T4 and R1, R3, R2, respectively), thanks to local deformations of the conductors, called "protrusions". The central conductor (respectively T3 and R3) has, as illustrated in FIG. 17, two lateral extensions which respectively face lateral extensions of the other conductors.
Cependant, du fait de la forme en « 8 » du contact central, un effet selfique indésirable se produit sur chaque liaison entre les extensions latérales. Le troisième mode de réalisation de ce document vise, à cet égard, à réduire les effets selfiques.However, because of the "8" shape of the central contact, an undesirable inductive effect occurs on each link between the lateral extensions. The third embodiment of this document aims, in this respect, to reduce the inductive effects.
La présente invention vise à remédier à ces inconvénients.The present invention aims to remedy these disadvantages.
A cet effet, la présente invention vise, selon un premier aspect, un insert, comportant au moins trois contacts présentant des parties sensiblement linéaires, qui comporte, en outre, au moins une capacité tripolaire entre trois desdits contacts, l'un des contacts de chaque capacité tripolaire étant relié à une armature centrale,
une première dimension de l'armature centrale, dans la direction perpendiculaire aux dites parties sensiblement linéaires étant supérieure à une deuxième dimension, dans une direction parallèle aux dites parties sensiblement linéaires, la dite deuxième dimension définissant les largeurs des zones de ladite armature centrale,
la largeur moyenne de ladite armature centrale, entre les zones où ladite armature centrale se trouve en regard d'autres armatures, dites « latérales », reliées aux autres contacts de ladite capacité tripolaire, étant supérieure à un tiers de la largeur moyenne de ladite armature centrale dans lesdites zones.For this purpose, the present invention aims, in a first aspect, an insert, comprising at least three contacts having substantially linear portions, which further comprises at least a three-pole capacitance between three of said contacts, one of the contacts of each three-pole capacitor being connected to a central armature,
a first dimension of the central armature, in the direction perpendicular to said substantially linear portions being greater than a second dimension, in a direction parallel to said substantially linear portions, said second dimension defining the widths of the zones of said central armature,
the average width of said central armature, between the zones where said central armature is opposite other armatures, called "lateral", connected to the other contacts of said three-pole capacitor, being greater than one-third of the average width of said armature central in said areas.
Grâce à ces dispositions, on réduit, voire on élimine, l'inductance créée par les liaisons avec les zones de superposition des armatures de condensateur. En effet, une telle capacité tripolaire se caractérise par l'absence pratiquement totale d'effet selfique entre les deux armatures latérales se trouvant en regard de l'unique armature centrale.Thanks to these arrangements, the inductance created by the connections with the zones of superposition of the capacitor plates is reduced or even eliminated. In fact, such a three-pole capacitance is characterized by the virtually total absence of an inductive effect between the two lateral frames lying opposite the single central armature.
Selon des caractéristiques préférentielles, dans au moins une capacité tripolaire, la largeur moyenne de ladite armature centrale, entre les zones où elle se trouve en regard des armatures latérales, est supérieure au tiers de la distance entre les armatures latérales.According to preferred characteristics, in at least one three-pole capacitance, the average width of said central armature, between the zones where it is opposite lateral armatures, is greater than one third of the distance between the lateral armatures.
Selon des caractéristiques préférentielles, dans au moins une capacité tripolaire, la largeur minimale de ladite armature centrale, entre les zones où ladite armature centrale se trouve en regard des armatures latérales, est supérieure au tiers de la largeur moyenne de ladite armature centrale dans lesdites zones.According to preferred characteristics, in at least one three-pole capacitance, the minimum width of said central armature, between the zones where said central armature faces the lateral armatures, is greater than one-third of the average width of said central armature in said zones. .
Selon des caractéristiques préférentielles, dans au moins une capacité tripolaire, la largeur minimale de ladite armature centrale, entre les zones où elle se trouve en regard des armatures latérales, est supérieure au tiers de la distance entre les armatures latérales.According to preferred characteristics, in at least one three-pole capacitance, the minimum width of said central armature, between the zones where it is opposite lateral armatures, is greater than one third of the distance between the lateral armatures.
Selon des caractéristiques préférentielles, dans au moins une capacité tripolaire, la largeur moyenne de ladite armature centrale, entre les zones où ladite armature centrale se trouve en regard des armatures latérales, est supérieure à la moitié de la largeur moyenne de ladite armature centrale dans lesdites zones.According to preferred characteristics, in at least one three-pole capacitance, the average width of said central armature, between the zones where said central armature faces the lateral armatures, is greater than half the average width of said central armature in said areas.
Selon des caractéristiques préférentielles, dans au moins une capacité tripolaire, la largeur moyenne de l'armature centrale, entre les zones où elle se trouve en regard des armatures latérales, est supérieure aux deux tiers de la largeur moyenne de ladite armature dans lesdites zones.According to preferred characteristics, in at least one three-pole capacitance, the average width of the central armature, between the zones where it is opposite the lateral armatures, is greater than two-thirds of the average width of said armature in said zones.
Selon des caractéristiques préférentielles, dans au moins une capacité tripolaire, la largeur moyenne de l'armature centrale, entre les zones où elle se trouve en regard des armatures latérales, est égale à la largeur moyenne de ladite armature dans lesdites zones.According to preferred features, in at least one three-pole capacitance, the average width of the central armature, between the zones where it is opposite lateral armatures, is equal to the average width of said armature in said zones.
Selon des caractéristiques préférentielles, dans au moins une capacité tripolaire, la largeur moyenne de ladite armature centrale, entre les zones où elle se trouve en regard des armatures latérales, est supérieure à la moitié de la distance entre les armatures latérales.According to preferred features, in at least one three-pole capacitance, the average width of said central armature, between the zones where it is opposite the lateral armatures, is greater than half the distance between the lateral armatures.
Selon des caractéristiques préférentielles, dans au moins une capacité tripolaire, la largeur minimale de ladite armature centrale, entre les zones où ladite armature centrale se trouve en regard des armatures latérales, est supérieure à la moitié de la largeur moyenne de ladite armature centrale dans lesdites zones.According to preferred features, in at least one three-pole capacitance, the minimum width of said central armature, between the zones where said central armature faces the lateral armatures, is greater than half the average width of said central armature in said areas.
Selon des caractéristiques préférentielles, dans au moins une capacité tripolaire, la largeur minimale de l'armature centrale, entre les zones où elle se trouve en regard des armatures latérales, est supérieure aux deux tiers de la largeur moyenne de ladite armature dans lesdites zones.According to preferred characteristics, in at least one three-pole capacitance, the minimum width of the central armature, between the zones where it is opposite the lateral armatures, is greater than two-thirds of the average width of said armature in said zones.
Selon des caractéristiques préférentielles, dans au moins une capacité tripolaire, la largeur minimale de l'armature centrale, entre les zones où elle se trouve en regard des armatures latérales, est égale à la largeur moyenne de ladite armature dans lesdites zones.According to preferred characteristics, in at least one three-pole capacitance, the minimum width of the central armature, between the zones where it is opposite the lateral armatures, is equal to the average width of said armature in said zones.
Selon des caractéristiques préférentielles, dans au moins une capacité tripolaire, la largeur minimale de ladite armature centrale, entre les zones où elle se trouve en regard des armatures latérales, est supérieure à la moitié de la distance entre les armatures latérales.According to preferred features, in at least one three-pole capacitance, the minimum width of said central armature, between the zones where it is opposite the lateral armatures, is greater than half the distance between the lateral armatures.
Selon des caractéristiques préférentielles, dans au moins une capacité tripolaire, la largeur moyenne de ladite armature centrale, entre les zones où elle se trouve en regard des armatures latérales, est supérieure aux deux tiers de la distance entre les armatures latérales.According to preferred characteristics, in at least one three-pole capacitance, the average width of said central armature, between the zones where it is opposite the lateral armatures, is greater than two-thirds of the distance between the lateral armatures.
Selon des caractéristiques préférentielles, dans au moins une capacité tripolaire, la largeur moyenne de ladite armature centrale, entre les zones où elle se trouve en regard des armatures latérales, est supérieure ou égale à la distance entre les armatures latérales.According to preferred characteristics, in at least one three-pole capacitance, the average width of said central armature, between the zones where it is opposite the lateral armatures, is greater than or equal to the distance between the lateral armatures.
Selon des caractéristiques préférentielles, dans au moins une capacité tripolaire, l'armature centrale est pleine.According to preferred features, in at least one three-pole capacitor, the central armature is solid.
Chacune de ces dispositions confortent la réduction de l'effet selfique.Each of these provisions supports the reduction of the inductive effect.
Selon des caractéristiques préférentielles, l'insert objet de la présente invention, tel que succinctement exposé ci-dessus, comporte au moins cinq contacts consécutifs et au moins une capacité tripolaire entre les premier, troisième et cinquième contacts.According to preferred features, the insert object of the present invention, as succinctly described above, comprises at least five consecutive contacts and at least one three-pole capacitance between the first, third and fifth contacts.
Selon des caractéristiques préférentielles, l'insert objet de la présente invention, tel que succinctement exposé ci-dessus, comporte huit contacts consécutifs et au moins une capacité tripolaire entre les quatrième, sixième et huitième contacts.According to preferred features, the insert object of the present invention, as succinctly described above, comprises eight consecutive contacts and at least one three-pole capacitance between the fourth, sixth and eighth contacts.
Selon des caractéristiques préférentielles, l'insert objet de la présente invention, tel que succinctement exposé ci-dessus, comporte des moyens de séparation des contacts en deux groupes de contacts écartés l'un de l'autre, l'un des groupes comportant les contacts -pairs et l'autre comportant les contacts impairs.According to preferred features, the insert which is the subject of the present invention, as briefly described above, comprises means for separating the contacts into two groups of contacts spaced apart from one another, one of the groups comprising the contacts -pairs and the other involving odd contacts.
Grâce à ces dispositions, puisque les contacts successifs se trouvent dans des groupes de contacts différents, ils sont éloignés entre eux et ne réalisent donc, entre eux, qu'une capacité négligeable.Thanks to these arrangements, since the successive contacts are in different groups of contacts, they are distant from each other and therefore realize between them only a negligible capacity.
Selon des caractéristiques préférentielles, au moins une capacité tripolaire comporte un film diélectrique interposé entre des armatures.According to preferred features, at least one three-pole capacitance comprises a dielectric film interposed between frames.
Selon un deuxième aspect, la présente invention vise un procédé d'assemblage d'un insert qui comporte une étape d'assemblage d'au moins trois contacts présentant des parties sensiblement linéaires, qui comporte, en outre, une étape de réalisation d'au moins une capacité tripolaire entre trois desdits contacts, l'un des contacts de chaque capacité tripolaire étant relié à une armature centrale,
une première dimension de l'armature centrale, dans la direction perpendiculaire aux dites parties sensiblement linéaires étant supérieure à une deuxième dimension, dans une direction parallèle aux dites parties sensiblement linéaires, la dite deuxième dimension définissant les largeurs des zones de ladite armature centrale,
la largeur moyenne de ladite armature centrale, entre les zones où ladite armature centrale se trouve en regard d'autres armatures, dites « latérales », reliées aux autres contacts de ladite capacité tripolaire, étant supérieure au tiers de la largeur moyenne de ladite armature centrale dans lesdites zones.According to a second aspect, the present invention is directed to a method of assembling an insert which comprises a step of assembling at least three contacts having substantially linear portions, which furthermore comprises a step of producing from less a three-pole capacitance between three of said contacts, one of the contacts of each three-pole capacitor being connected to a central armature,
a first dimension of the central armature, in the direction perpendicular to said substantially linear portions being greater than a second dimension, in a direction parallel to said portions substantially linear, said second dimension defining the widths of the zones of said central armature,
the average width of said central armature, between the zones where said central armature is opposite other reinforcements, called "lateral", connected to the other contacts of said three-pole capacitor, being greater than one-third of the average width of said central armature in said areas.
Les avantages, buts et caractéristiques de ce procédé étant similaires à ceux de l'insert objet de la présente invention, telle que succinctement exposée ci-dessus, ils ne sont pas rappelés ici.The advantages, aims and characteristics of this process being similar to those of the insert object of the present invention, as succinctly described above, they are not recalled here.
D'autres avantages, buts et caractéristiques de la présente invention ressortiront de la description qui va suivre faite, dans un but explicatif et nullement limitatif, en regard des dessins annexés, dans lesquels :
- la
figure 1 représente un schéma théorique de compensation de diaphonie pour un insert selon la norme RJ45, - la
figure 2 représente, schématiquement, le positionnement des contacts d'un mode de réalisation particulier de l'insert objet de la présente invention, - les
figures 3A à 3E représentent, pour un premier demi-insert de l'insert illustré enfigure 2 , deux vues en perspectives, une vue de côté et deux vues en coupe, - les
figures 4A à 4E représentent, pour un deuxième demi-insert de l'insert illustré enfigure 2 , deux vues en perspectives, une vue de côté et deux vues en coupe, - la
figure 5 représente un schéma électrique équivalent de l'insert illustré enfigures 2 à 4 avec capacités tripolaires, - la
figure 6 représente, sous forme d'un logigramme, des étapes mises en oeuvre dans un mode de réalisation particulier du procédé d'assemblage d'un insert objet de la présente invention, - les
figures 7A à 7H représentent les formes des extensions longitudinales des contacts de l'insert illustré enfigures 1 à 5 , - la
figure 8 représente des contacts munis d'extension latérales d'in sert décrit dans le documentUS 5,547,405 - la
figure 9 représente, schématiquement, le schéma électrique équivalent de l'insert décrit dans le documentUS 5,547,405 - la
figure 10 représente une capacité tripolaire expérimentale pour montrer la réduction d'effet selfique obtenu, - la
figure 11 représente le modèle équivalent de la capacité tripolaire illustrée enfigure 10 et - la
figure 12 représente une courbe d'augmentation de l'inductance de la partie centrale, ou zone de liaison, de la capacité tripolaire lorsque l'on fait varier la largeur de cette partie centrale.
- the
figure 1 represents a theoretical diagram of crosstalk compensation for an insert according to the RJ45 standard, - the
figure 2 represents, schematically, the positioning of the contacts of a particular embodiment of the insert which is the subject of the present invention, - the
FIGS. 3A to 3E represent, for a first half-insert of the insert illustrated infigure 2 , two perspective views, one side view and two sectional views, - the
FIGS. 4A to 4E represent, for a second half-insert of the insert illustrated infigure 2 , two perspective views, one side view and two sectional views, - the
figure 5 represents an equivalent electrical diagram of the insert illustrated inFigures 2 to 4 with three-pole capabilities, - the
figure 6 represents, in the form of a logic diagram, steps implemented in a particular embodiment of the method of assembling an insert that is the subject of the present invention, - the
Figures 7A to 7H represent the shapes of the longitudinal extensions of the contacts of the insert illustrated inFigures 1 to 5 , - the
figure 8 represents contacts with lateral extension of in sert described in the documentUS5,547,405 - the
figure 9 represents, schematically, the equivalent electrical diagram of the insert described in the documentUS5,547,405 - the
figure 10 represents an experimental tripolar capacitance to show the reduction of inductive effect obtained, - the
figure 11 represents the equivalent model of the three-pole capacitance illustrated infigure 10 and - the
figure 12 represents a curve of increase of the inductance of the central part, or zone of connection, of the three-pole capacitance when the width of this central part is varied.
On observe, en
la capacité 23, réalisée par la surface de la deuxième plaquette en vis-à-vis de la troisième plaquette, est responsable de la diaphonie intrinsèque de la fiche entre la paire des premier et second contacts et la paire des troisième et sixième contacts,la capacité 67, réalisée par la surface de la sixième plaquette en vis-à-vis de la septième plaquette, est responsable de la diaphonie intrinsèque de la fiche entre la paire des septième et huitième contacts et la paire des troisième et sixième contacts,- les capacités 34 et 56, respectivement réalisées entre les troisième et quatrième contacts, d'une part, et entre les cinquième et sixième contacts, d'autre part, sont responsables de la diaphonie intrinsèque de la fiche entre la paire des quatrième et cinquième contacts et la paire des troisième et sixième contacts.
- the
capacitance 23, made by the surface of the second wafer vis-à-vis the third wafer, is responsible for the intrinsic crosstalk of the plug between the pair of the first and second contacts and the pair of the third and sixth contacts, - the
capacitance 67, made by the surface of the sixth wafer vis-à-vis the seventh wafer, is responsible for the intrinsic crosstalk of the plug between the pair of the seventh and eighth contacts and the pair of the third and sixth contacts, - the
34 and 56 respectively formed between the third and fourth contacts, on the one hand, and between the fifth and sixth contacts, on the other hand, are responsible for the intrinsic crosstalk of the plug between the pair of the fourth and fifth contacts and the pair of the third and sixth contacts.capacitors
Le schéma théorique de compensation de diaphonie pour une fiche conforme au standard RJ45 comporte, dans un insert, une capacité 13 entre les premier et troisième contacts, une capacité 35 entre les troisième et cinquième contacts, une capacité 46 entre les quatrième et sixième contacts et une capacité 68 entre les sixième et huitième contacts.The theoretical crosstalk compensation scheme for an RJ45 standard plug comprises, in an insert, a
En particulier :
- la capacité 13 compense la capacité 23 afin de diminuer la diaphonie entre la paire des premier et second contacts et la paire des troisième et sixième contacts,
- la capacité 68 compense la capacité 67 afin de diminuer la diaphonie entre la paire des septième et huitième contacts et la paire des troisième et sixième contacts et
- les capacités 35 et 46 compensent les capacités 34 et 56 afin de diminuer la diaphonie entre la paire des quatrième et cinquième contacts et la paire des troisième et sixième contacts.
- the
capacitance 13 compensates for thecapacitance 23 in order to reduce the crosstalk between the pair of the first and second contacts and the pair of the third and sixth contacts, -
capacitance 68 compensates forcapacitance 67 to decrease crosstalk between the pair of the seventh and eighth contacts and the pair of third and sixth contacts and -
35 and 46 compensate forcapacitances 34 and 56 to reduce crosstalk between the pair of fourth and fifth contacts and the pair of third and sixth contacts.capacitances
Les couplages capacitifs de la fiche sont ainsi compensés par les couplages capacitifs de l'insert. Plus les couplages capacitifs de compensation de l'insert se situent à proximité des capacités de le fiche, plus le niveau de performance du couple formé de l'insert et de la fiche est élevé. En effet, les conducteurs situés entre les couplages capacitifs de la fiche et les couplages capacitifs de compensation de l'insert, introduisent des inductances néfastes aux compensations recherchées. Pour réaliser la compensation, on équilibre les couplages capacitifs intrinsèques de la fiche et les couplages de compensation réalisés dans l'insert.The capacitive couplings of the plug are thus compensated by the capacitive couplings of the insert. The more capacitive compensation couplings of the insert are close to the capabilities of the plug, the higher the level of performance of the torque formed of the insert and the plug is high. Indeed, the conductors located between the capacitive couplings of the plug and the capacitive compensation couplings of the insert, introduce inductances detrimental to the compensations sought. To achieve the compensation, the intrinsic capacitive couplings of the plug and the compensation couplings made in the insert are balanced.
Dans un but explicatif, en
On observe, en
Les contacts présentent des parties sensiblement linéaires et sensiblement parallèles qui définissent une première direction, perpendiculaire à ces parties sensiblement linéaires et horizontale dans les
Dans le premier groupe de contacts, 110, un film diélectrique 120 sépare les contacts 101 et 105, au dessus, et le contact 103, au dessous. Les contacts 101 et 105 sont dotés d'extensions latérales rectangulaires, respectivement 141 et 145, s'étendant le long du film diélectrique 120. Le contact 103 est doté d'extensions latérales rectangulaires 143 s'étendant le long du film diélectrique 120 de manière à former, avec les contacts 101 et 105 et leurs extensions latérales 141 et 145, une capacité tripolaire.In the first group of contacts, 110, a
Le contact 103 et ses extensions latérales 143 forment une armature centrale de cette capacité tripolaire. Le contact 101 et son extension latérale 141 forment une première armature latérale. Le contact 105 et son extension latérale 145 forment une deuxième armature latérale.The
Une première dimension de l'armature centrale, ou longueur, mesurée dans la première direction, horizontale en
La largeur moyenne de l'armature centrale, entre les zones où ladite armature centrale se trouve en regard des armatures latérales est supérieure à, dans l'ordre de préférence croissante, un tiers, la moitié, les deux tiers et les trois quarts de la largeur moyenne de ladite armature centrale dans lesdites zones. Encore plus préférentiellement, la largeur moyenne de l'armature centrale, entre les zones où ladite armature centrale se trouve en regard des armatures latérales est supérieure ou égale à la largeur moyenne de l'armature centrale dans ces zones.The average width of the central reinforcement between the zones where the said central reinforcement is opposite the lateral reinforcement is greater than, in the order of increasing preference, one-third, one-half, two-thirds and three-quarters of the average width of said central frame in said areas. Even more preferentially, the average width of the central reinforcement between the zones where said central reinforcement is opposite the lateral reinforcement is greater than or equal to the average width of the central reinforcement in these zones.
Préférentiellement, comme dans le mode de réalisation décrit, les largeurs moyennes sont les largeurs minimales car ces dernières sont constantes. Ainsi, la largeur minimale de l'armature centrale, entre les zones où ladite armature centrale se trouve en regard des armatures latérales est supérieure à, dans l'ordre de préférence croissante, un tiers, la moitié, les deux tiers et les trois quarts de la largeur moyenne de ladite armature centrale dans lesdites zones. Encore plus préférentiellement, la largeur minimale de l'armature centrale, entre les zones où ladite armature centrale se trouve en regard des armatures latérales est supérieure ou égale à la largeur moyenne de l'armature centrale dans ces zones.Preferably, as in the embodiment described, the average widths are the minimum widths because the latter are constant. Thus, the minimum width of the central armature, between the zones where said central armature is opposite the lateral armatures, is greater than, in the order of increasing preference, one-third, one-half, two-thirds and three-quarters the average width of said central armature in said areas. Even more preferably, the minimum width of the central frame, between the zones where said central frame is in Side frames look is greater than or equal to the average width of the center frame in these areas.
Dans le mode de réalisation décrit dans les figures, et préférentiellement, la largeur minimale et la largeur moyenne de l'armature centrale, entre les zones où ladite armature centrale se trouve en regard des armatures latérales sont égales à la largeur moyenne de ladite armature centrale dans lesdites zones. A l'inverse, dans l'insert illustré en
Préférentiellement, la largeur moyenne de l'armature centrale, entre les zones où elle se trouve en regard des armatures latérales, est, dans l'ordre de préférence croissante, supérieure à un tiers, la moitié, les deux tiers, de la distance entre les armatures latérales. Encore plus préférentiellement, la largeur moyenne de l'armature centrale, entre les zones où elle se trouve en regard des armatures latérales, est supérieure ou égale à la distance entre les armatures latérales.Preferably, the average width of the central reinforcement, between the zones where it is opposite the lateral reinforcement, is, in the order of increasing preference, greater than one-third, half, two-thirds of the distance between the side frames. Even more preferably, the average width of the central frame, between the areas where it is opposite the side frames, is greater than or equal to the distance between the side frames.
Préférentiellement, comme dans le mode de réalisation décrit, les largeurs moyennes sont les largeurs minimales car ces dernières sont constantes. Ainsi, préférentiellement, la largeur minimale de l'armature centrale, entre les zones où elle se trouve en regard des armatures latérales, est, dans l'ordre de préférence croissante, supérieure à un tiers, la moitié, les deux tiers, de la distance entre les armatures latérales. Encore plus préférentiellement, la largeur minimale de l'armature centrale, entre les zones où elle se trouve en regard des armatures latérales, est supérieure ou égale à la distance entre les armatures latérales.Preferably, as in the embodiment described, the average widths are the minimum widths because the latter are constant. Thus, preferably, the minimum width of the central frame, between the areas where it is opposite the side frames, is, in the order of increasing preference, greater than one-third, half, two-thirds of the distance between the side frames. Even more preferably, the minimum width of the central frame, between the areas where it is opposite the side frames, is greater than or equal to the distance between the side frames.
Une capacité tripolaire ainsi constituée se caractérise par l'absence pratiquement totale d'effet selfique entre les deux armatures parallèles se trouvant en regard d'une unique armature.A three-pole capacitance thus constituted is characterized by the virtually total absence of an inductive effect between the two parallel armatures lying opposite a single armature.
Le contact 107 se trouve, par rapport au film diélectrique 120, du même côté que le contact 103.The
Dans le deuxième groupe de contacts, 111, un film diélectrique 130 sépare les contacts 104 et 108, au dessous, et le contact 106, au dessus. Les contacts 104 et 108 sont dotés d'extensions latérales rectangulaires, respectivement 144 et 148, s'étendant le long du film diélectrique 130. Le contact 106 est doté d'extensions latérales rectangulaires 146 s'étendant le long du film diélectrique 130 de manière à former, avec les contacts 104 et 108 et leurs extensions latérales, une capacité tripolaire.In the second group of contacts, 111, a
Une capacité tripolaire identique à celle formée entre les contacts 101, 103 et 105 est formée entre les contacts 104, 106 et 108.A three-pole capacitance identical to that formed between the
Le contact 102 se trouve, par rapport au film diélectrique 130, du même côté que le contact 106.The
On observe aussi, en
Ainsi, le contact 101 descend pour rejoindre le plan du film diélectrique 130. Puis les contacts 101 et 102 sont parallèles entre eux et reviennent, après une zone courbée formant un angle aigu, vers l'arrière de l'insert pour y former leur zone de contact courbée formant un angle obtus.Thus, the
Le contact 107 descend pour rejoindre le plan du film diélectrique 130. Puis les contacts 107 et 108 sont parallèles entre eux et aux contacts 101 et 102.The
Le contact 103 et le contact 105 sont sensiblement parallèles et présentent une zone de contact courbée formant un angle obtus.The
Le contact 104 et le contact 106 sont sensiblement parallèles et présentent une zone de contact courbée formant un angle obtus.The
Ces angles obtus sont choisis pour que les distances entre les contacts consécutifs soient maximales. Ainsi, les capacités entre les contacts consécutifs sont réduites, ce qui limite la diaphonie engendrée par ces capacités indésirables.These obtuse angles are chosen so that the distances between the consecutive contacts are maximum. Thus, the capacities between the consecutive contacts are reduced, which limits the crosstalk generated by these undesirable capacities.
De même, puisque les contacts 102 et 103, respectivement 106 et 107, présentent des formes très différentes, la capacité qu'ils forment entre eux est minimisée.Similarly, since the
Chacun des groupes de contacts écartés, comportant respectivement les contacts de références paires et les contacts de références impaires, comprend ainsi quatre contacts dont trois d'entre eux réalisent, avec des extensions latérales conductrices une capacité tripolaire. Dans des modes de réalisation, on prévoit une couche diélectrique, par exemple un film en polyimide, pour séparer les armatures de chaque condensateur tripolaire.Each of the separated contact groups, comprising respectively the even reference contacts and the odd reference contacts, thus comprises four contacts, three of which, with conductive lateral extensions, have a three-pole capacitance. In embodiments, a dielectric layer, for example a polyimide film, is provided for separating the armatures of each three-pole capacitor.
L'usage de condensateurs multipolaires présente l'avantage d'éliminer les inductances parasites des liaisons entre condensateurs. La suppression de ces inductances parasites améliore l'efficacité des compensations ce qui a pour effet d'assurer une meilleure performance en augmentant la bande passante du produit ainsi que l'isolation entre paires.The use of multipolar capacitors has the advantage of eliminating the parasitic inductances of the connections between capacitors. The removal of these parasitic inductances improves the efficiency of the compensations which has the effect of ensuring a better performance by increasing the bandwidth of the product as well as the insulation between pairs.
Du fait que les extensions latérales possèdent, chacune, une forme en parallélépipède rectangle, on réduit leur inductance par rapport à une forme qui aurait comporté une partie intermédiaire plus fine.Since the lateral extensions each have a rectangular parallelepiped shape, their inductance is reduced with respect to a shape that would have included a finer intermediate portion.
Comme on l'observe en regard des
Le premier demi-insert, illustré en
Les extensions longitudinales des contacts extrêmes, 101 et 107, présentent un coude formant un angle aigu avant d'atteindre la zone de contact. Inversement, les extensions longitudinales des contacts centraux, 103 et 105, présentent des angles obtus, dont l'angle formé au niveau de la zone de contact.The longitudinal extensions of the extreme contacts, 101 and 107, have an elbow forming an acute angle before reaching the contact zone. Conversely, the longitudinal extensions of the central contacts, 103 and 105, have obtuse angles, including the angle formed at the contact area.
Les
Le deuxième demi-insert, illustré en
Les extensions longitudinales des contacts extrêmes, 102 et 108, présentent un coude formant un angle aigu avant d'atteindre la zone de contact. Inversement, les extensions longitudinales des contacts centraux, 104 et 106, présentent des angles obtus, dont l'angle formé au niveau de la zone de contact.The longitudinal extensions of the extreme contacts, 102 and 108, have an elbow forming an acute angle before reaching the contact zone. Conversely, the longitudinal extensions of the central contacts, 104 and 106, have obtuse angles, including the angle formed at the contact area.
On note, comme illustré en
Les
On observe, en
On observe, en
On observe, en
une étape 605 de réalisation d'un premier demi-insert mécaniquement liée au premier groupe de contacts et à des premiers moyens de réduction de diaphonie,une étape 610 de réalisation d'un deuxième demi-insert mécaniquement liée au deuxième groupe de contacts et, préférentiellement, à des moyens de réduction de diaphonie etune étape 615 d'assemblage des deux demi-insert de manière à ce que les deux groupes de contacts restent écartés l'un de l'autre et comportent, respectivement, les contacts pairs et les contacts impaires de l'ensemble de contacts consécutifs de l'insert.
- a
step 605 for producing a first half-insert mechanically connected to the first group of contacts and to first crosstalk reduction means, - a
step 610 for producing a second half-insert mechanically connected to the second group of contacts and, preferably, to means for reducing crosstalk and - a
step 615 for assembling the two half-inserts so that the two groups of contacts remain spaced from each other and comprise, respectively, the even contacts and the odd contacts of the set of consecutive contacts of the insert.
On observe, en
On observe, en
Dans l'expérience dont un résultat est donné en
Le ratio de la largeur résultante sur la largeur initiale se trouve en abscisse et le taux d'augmentation de l'inductance 750 se trouve en ordonnée.The ratio of the resulting width to the initial width is on the abscissa and the rate of increase of the
On observe que, en partant de 100 % (correspondant à une largeur 712 d'armature centrale de 1 mm) et en allant vers 10 % (correspondant à une largeur d'armature centrale de 0,1 mm) l'inductance augmente de plus en plus rapidement. A 50 %, le taux d'augmentation de l'inductance est d'environ 6 %.It can be observed that, starting from 100% (corresponding to a
Claims (20)
- Insert including at least three contacts (101 to 108) having substantially linear parts characterized in that it further includes at least one three-pole capacitor (141, 143, 145, 144, 146, 148) between three of said contacts (101, 103, 105, 104, 106, 108), one of the contacts (103, 106) of each three-pole capacitor being connected to a central plate (143, 146),
a first dimension (711) of the central plate in the direction perpendicular to said substantially linear parts being greater than a second dimension (712) in a direction parallel to said substantially linear parts, said second dimension defining the widths of the areas of said central plate,
the average width of said central plate between the areas in which said central plate faces other plates, referred to as "lateral" plates (141, 145, 144, 148), connected to the other contacts of said three-pole capacitor being greater than one third of the average width of said central plate in said areas. - Insert according to claim 1, characterized in that, in at least one three-pole capacitor (141, 143, 145, 144, 146, 148), the average width (712) of said central plate (143, 146), between the areas in which it faces the lateral plates (141, 145, 144, 148), is greater than one third of the distance between the lateral plates.
- Insert according to either of claims 1 or 2, characterized in that in at least one three-pole capacitor (141, 143, 145, 144, 146, 148) the minimum width (712) of said central plate (143, 146) between the areas in which said central plate faces the lateral plates (141, 145, 144, 148) is greater than one third of the average width of said central plate in said areas.
- Insert according to any one of claims 1 to 3, characterized in that in at least one three-pole capacitor (141, 143, 145, 144, 146, 148) the minimum width (712) of said central plate (143, 146) between the areas in which it faces the lateral plates (141, 145, 144, 148) is greater than one third of the distance between the lateral plates.
- Insert according to any one of claims 1 to 4, characterized in that in at least one three-pole capacitor (141, 143, 145, 144, 146, 148) the average width (712) of said central plate (143, 146) between the areas in which said central plate faces the lateral plates (141, 145, 144, 148) is greater than half the average width of said central plate in said areas.
- Insert according to any one of claims 1 to 5, characterized in that in at least one three-pole capacitor (141, 143, 145, 144, 146, 148) the average width (712) of the central plate (143, 146) between the areas in which it faces the lateral plates (141, 145, 144, 148) is greater than two thirds of the average width of said plate in said areas.
- Insert according to any one of claims 1 to 6, characterized in that in at least one three-pole capacitor (141, 143, 145, 144, 146, 148) the average width (712) of the central plate (143, 146) between the areas in which it faces the lateral plates (141, 145, 144, 148) is equal to the average width of said plate in said areas.
- Insert according to any one of claims 1 to 7, characterized in that in at least one three-pole capacitor (141, 143, 145, 144, 146, 148) the average width (712) of said central plate (143, 146) between the areas in which it faces the lateral plates (141, 145, 144, 148) is greater than half the distance between the lateral plates.
- Insert according to any one of claims 1 to 8, characterized in that in at least one three-pole capacitor (141, 143, 145, 144, 146, 148) the minimum width (712) of said central plate (143, 146) between the areas in which said central plate faces the lateral plates (141, 145, 144, 148) is greater than half the average width of said central plate in said areas.
- Insert according to any one of claims 1 to 9, characterized in that in at least one three-pole capacitor (141, 143, 145, 144, 146, 148) the minimum width (712) of the central plate (143, 146) between the areas in which it faces the lateral plates (141, 143, 144, 148) is greater than two thirds of the average width of said plate in said areas.
- Insert according to any one of claims 1 to 10, characterized in that in at least one three-pole capacitor (141, 143, 145, 144, 146, 148) the minimum width (712) of the central plate (143, 146) between the areas in which it faces the lateral plates (141, 145, 144, 148) is equal to the average width of said plate in said areas.
- Insert according to any one of claims 1 to 11, characterized in that in at least one three-pole capacitor (141, 143, 145, 144, 146, 148) the minimum width (712) of said central plate (143, 146) between the areas in which it faces the lateral plates (141, 145, 144, 148) is greater than half the distance between the lateral plates.
- Insert according to any one of claims 1 to 12, characterized in that in at least one three-pole capacitor (141, 143, 145, 144, 146, 148) the average width (712) of said central plate (143, 146) between the areas in which it faces the lateral plates (141, 145, 144, 148) is greater than two thirds of the distance between the lateral plates.
- Insert according to any one of claims 1 to 13, characterized in that in at least one three-pole capacitor (141, 143, 145, 144, 146, 148) the average width (712) of said central plate (143, 146) between the areas in which it faces the lateral plates (141, 145, 144, 148) is greater than or equal to the distance between the lateral plates.
- Insert according to any one of claims 1 to 14, characterized in that in at least one three-pole capacitor (141, 143, 145, 144, 146, 148) the central plate (143, 146) is solid.
- Insert according to any one of claims 1 to 15, characterized in that it includes at least five consecutive contacts and at least one three-pole capacitor (141, 143, 145) between the first (101), third (103) and fifth (105) contacts.
- Insert according to any one of claims 1 to 16, characterized in that it includes eight consecutive contacts and at least one three-pole capacitor (144, 146, 148) between the fourth (104), sixth (106) and eighth (108) contacts.
- Insert according to any one of claims 1 to 17, characterized in that it includes means for separating contacts into two spaced contact groups (110, 111), one of the groups including the even-number contacts and the other including the odd-number contacts.
- Insert according to any one of claims 1 to 18, characterized in that at least one three-pole capacitor (141, 143, 145, 144, 146, 148) includes a dielectric film (120, 130) placed between the plates.
- Method of assembling an insert that includes a step of assembling (615) at least three contacts having substantially linear parts, characterized in that it further includes a step of producing (605, 610) at least one three-pole capacitor (141, 143, 145, 144, 146, 148) between three of said contacts (101, 103, 105, 104, 106, 108), one of the contacts (103, 106) of each three-pole capacitor being connected to a central plate (143, 146),
a first dimension (711) of the central plate in the direction perpendicular to said substantially linear parts being greater than a second dimension (712) in a direction parallel to said substantially linear parts, said second dimension defining the widths of the areas of said central plate,
the average width of said central plate between the areas in which said central plate faces other plates, referred to as "lateral" plates, that are connected to the other contacts of said three-pole capacitor being greater than one third of the average width of said central plate in said areas.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0855178A FR2934425B1 (en) | 2008-07-28 | 2008-07-28 | INSERT AND ASSEMBLY METHOD OF SUCH AN INSERT. |
PCT/FR2009/051517 WO2010012954A1 (en) | 2008-07-28 | 2009-07-28 | Insert and method of assembling such an insert |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2313948A1 EP2313948A1 (en) | 2011-04-27 |
EP2313948B1 true EP2313948B1 (en) | 2012-09-12 |
Family
ID=40364342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09740401A Active EP2313948B1 (en) | 2008-07-28 | 2009-07-28 | Insert and method of assembling such an insert |
Country Status (6)
Country | Link |
---|---|
US (1) | US8128432B2 (en) |
EP (1) | EP2313948B1 (en) |
CN (1) | CN102113182B (en) |
FR (1) | FR2934425B1 (en) |
RU (1) | RU2487448C2 (en) |
WO (1) | WO2010012954A1 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8425255B2 (en) * | 2011-02-04 | 2013-04-23 | Leviton Manufacturing Co., Inc. | Spring assembly with spring members biasing and capacitively coupling jack contacts |
CN102509964B (en) * | 2011-11-04 | 2013-09-18 | 浙江一舟电子科技股份有限公司 | Category-6 network Information interface circuit structure |
CN102496831B (en) * | 2011-11-25 | 2013-11-13 | 中电装备东芝(常州)变压器有限公司 | Contact finger socket assembly tooling and assembly method thereof |
CN103384034B (en) * | 2012-05-03 | 2015-10-07 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
US9118134B2 (en) * | 2013-03-01 | 2015-08-25 | Panduit Corp. | RJ-45-compatible communication connector with contacts having wider distal ends |
DE102013103069B3 (en) * | 2013-03-26 | 2014-06-26 | HARTING Electronics GmbH | Connector with crosstalk compensation |
EP3152805B1 (en) * | 2014-06-05 | 2019-01-09 | Bel Fuse (Macao Commercial Offshore) Limited | Network interface connector with proximity compensation |
WO2016011017A1 (en) * | 2014-07-15 | 2016-01-21 | Adc Telecommunications, Inc. | Capacitive compensation |
EP3326246B1 (en) | 2015-07-21 | 2022-09-21 | Bel Fuse (Macao Commercial Offshore) Limited | Modular connector plug for high speed data transmission networks |
JP6640358B2 (en) * | 2015-09-10 | 2020-02-05 | ティーイー コネクティビティ ジャーマニー ゲゼルシャフト ミット ベシュレンクテル ハフツンクTE Connectivity Germany GmbH | Contact device and method for reducing crosstalk |
US10637196B2 (en) * | 2015-11-11 | 2020-04-28 | Bel Fuse (Macao Commercial Offshore) Limited | Modular jack contact assembly having controlled capacitive coupling positioned within a jack housing |
US9634433B1 (en) | 2016-04-13 | 2017-04-25 | Panduit Corp. | Communication jack having a dielectric film between plug interface contacts |
CN209844139U (en) * | 2016-10-07 | 2019-12-24 | 泛达公司 | Communication connector |
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GB2271678B (en) * | 1993-12-03 | 1994-10-12 | Itt Ind Ltd | Electrical connector |
GB9509886D0 (en) * | 1995-05-16 | 1995-07-12 | Amp Holland | Modular plug for high speed data transmission |
US5769647A (en) * | 1995-11-22 | 1998-06-23 | The Siemon Company | Modular outlet employing a door assembly |
AUPP484998A0 (en) * | 1998-07-24 | 1998-08-20 | Krone Aktiengesellschaft | Electrical connector |
GB2343558B (en) * | 1998-11-04 | 2002-10-30 | Itt Mfg Enterprises Inc | Electrical connector |
US6409547B1 (en) * | 1998-12-02 | 2002-06-25 | Nordx/Cdt, Inc. | Modular connectors with compensation structures |
ES2242363T3 (en) * | 1999-10-29 | 2005-11-01 | Nexans | MODULAR JACK TYPE TELECOMMUNICATIONS CONNECTOR WITH DIAPHONY REDUCTION. |
DE50103574D1 (en) * | 2000-02-21 | 2004-10-21 | Reichle & De Massari Ag Wetzik | Electrical connector part |
US6290524B1 (en) * | 2000-07-12 | 2001-09-18 | Molex Incorporated | System for varying capacitive coupling between electrical terminals |
US6572414B2 (en) * | 2000-12-27 | 2003-06-03 | Korea Telecom | Modular jack for low crosstalk electrical connector |
US7172466B2 (en) * | 2001-04-05 | 2007-02-06 | Ortronics, Inc. | Dual reactance low noise modular connector insert |
US7265300B2 (en) * | 2003-03-21 | 2007-09-04 | Commscope Solutions Properties, Llc | Next high frequency improvement using hybrid substrates of two materials with different dielectric constant frequency slopes |
US7337683B2 (en) * | 2004-04-28 | 2008-03-04 | M & C Products Analysis Technology, Inc. | Insitu inertial particulate separation system |
US7220149B2 (en) * | 2004-12-07 | 2007-05-22 | Commscope Solutions Properties, Llc | Communication plug with balanced wiring to reduce differential to common mode crosstalk |
US7166000B2 (en) * | 2004-12-07 | 2007-01-23 | Commscope Solutions Properties, Llc | Communications connector with leadframe contact wires that compensate differential to common mode crosstalk |
JP4324566B2 (en) * | 2005-01-21 | 2009-09-02 | ホシデン株式会社 | Memory card adapter |
JP5014341B2 (en) * | 2005-07-15 | 2012-08-29 | パンドウィット・コーポレーション | Communication connector with bent contacts |
US20080305692A1 (en) * | 2007-06-07 | 2008-12-11 | Hon Hai Precision Ind. Co., Ltd. | Electrical connector assembly |
FR2919434B1 (en) * | 2007-07-25 | 2009-10-23 | Legrand France | CONNECTOR FOR COMPUTER NETWORKS. |
US7819703B1 (en) * | 2009-04-22 | 2010-10-26 | Hon Hai Precision Ind. Co., Ltd. | Electrical connector configured by wafer having coupling lead-frame and method for making the same |
-
2008
- 2008-07-28 FR FR0855178A patent/FR2934425B1/en active Active
-
2009
- 2009-07-28 EP EP09740401A patent/EP2313948B1/en active Active
- 2009-07-28 RU RU2011107244/07A patent/RU2487448C2/en not_active IP Right Cessation
- 2009-07-28 US US13/055,978 patent/US8128432B2/en active Active
- 2009-07-28 WO PCT/FR2009/051517 patent/WO2010012954A1/en active Application Filing
- 2009-07-28 CN CN2009801294599A patent/CN102113182B/en active Active
Also Published As
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RU2487448C2 (en) | 2013-07-10 |
US8128432B2 (en) | 2012-03-06 |
FR2934425B1 (en) | 2021-07-30 |
WO2010012954A1 (en) | 2010-02-04 |
FR2934425A1 (en) | 2010-01-29 |
CN102113182A (en) | 2011-06-29 |
EP2313948A1 (en) | 2011-04-27 |
US20110136382A1 (en) | 2011-06-09 |
CN102113182B (en) | 2013-08-28 |
RU2011107244A (en) | 2012-09-10 |
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