WO2004109301A1 - Connector - Google Patents

Connector Download PDF

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Publication number
WO2004109301A1
WO2004109301A1 PCT/CH2004/000322 CH2004000322W WO2004109301A1 WO 2004109301 A1 WO2004109301 A1 WO 2004109301A1 CH 2004000322 W CH2004000322 W CH 2004000322W WO 2004109301 A1 WO2004109301 A1 WO 2004109301A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact
connector
connector according
printed circuit
block
Prior art date
Application number
PCT/CH2004/000322
Other languages
French (fr)
Inventor
Claudio Mathez
Original Assignee
Ismeca Semiconductor Holding Sa
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 Ismeca Semiconductor Holding Sa filed Critical Ismeca Semiconductor Holding Sa
Publication of WO2004109301A1 publication Critical patent/WO2004109301A1/en

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G01R1/0433Sockets for IC's or transistors
    • G01R1/0441Details
    • G01R1/0466Details concerning contact pieces or mechanical details, e.g. hinges or cams; Shielding

Definitions

  • the present invention relates to a connector for connecting an electronic component.
  • the present invention relates in particular to a connector for the connection of an electronic component simultaneously at several contact points arranged in at least one row when the electronic component is placed on the connector.
  • the electronic components After their manufacture and / or before their integration for example on a printed circuit, the electronic components are generally subjected to one or more electrical tests. They are then temporarily connected to a test circuit via a suitable connector.
  • the connector usually comprises a plurality of contact elements intended to be electrically connected to the contact points, for example to the output tabs, of the electronic component to be tested.
  • the shape, size and distribution of the connector contact elements are thus determined according to the shape, size and distribution of the contact points of the components to be tested.
  • the surface of the contact points in particular in the case of components encapsulated without tabs or LLP components, is generally very small and the spacing between them is very small, making their contacting difficult, particularly for automatic testing devices.
  • the difficulty is further increased when the test requires Kelvin-type measurements for which each contact point of the component to be tested must be contacted in two different places by two separate contact elements.
  • Some prior art test devices include connectors whose contact elements are movable flexible blades. According to the operating principle of these connectors, the component to be tested is placed in a determined location and according to a precise orientation. The flexible blades are then brought closer to the component until their ends press against its contact points.
  • some connectors include, for each point of contact of the component to be tested, two flexible blades enclosing the point of contact from two opposite faces in the manner of a clamp.
  • such connectors are not suitable for contacting all types of electronic components. They are not, for example, suitable for contacting encapsulated components without tabs, because the contact points of the latter cannot be clamped in this way.
  • the transmission lines between the connector and the test circuit are advantageously made up of rigid conductive tracks such as for example the tracks of a printed circuit, because the transmission characteristics of these tracks can be determined with precision and are assured of a certain stability. Their manufacture is moreover relatively inexpensive.
  • the connector is then, for example, placed directly on the printed circuit so that its contact elements are in direct contact with the conductive tracks.
  • the movable blade connectors having a large footprint mainly due to the mechanism and the free space necessary for the movement of the blades, their integration into a printed circuit is difficult, if not impossible.
  • the signals are then generally transmitted to the test circuit by flexible conductors, for example insulated copper wires, whose transmission characteristics are irregular and highly sensitive to the mechanical stresses that the conductor could undergo.
  • test rate is also limited due to the time required to establish contact between the test circuit and the component to be tested, mainly due to the time spent moving the movable elements of the connector, making their use not very advantageous on a line.
  • automatic processing whose rate depends directly on the time required for the longest operation.
  • An object of the present invention is thus to propose a connector which does not have the drawbacks of the connectors of the prior art.
  • Another object of the present invention is to provide a connector allowing a quick and reliable removable connection of electronic components on a printed circuit.
  • Another object of the present invention is to provide a connector allowing the rapid exchange, without the use of tools and without subsequent adjustment, of the contact elements subjected to wear.
  • An additional object of the present invention is to provide replacement elements for parts subject to wear, the manufacture of which is as simple as possible, with a competitive price.
  • a connector for the connection of an electronic component simultaneously at several contact points arranged in at least one row when the electronic component is placed on the connector comprising at least one contact block for the connection of the contact points of the row, the contact block comprising several parallel modules each comprising at least one contact element and a support for at least partially housing the contact element.
  • the contact blocks of the connector of the invention being formed by the assembly of several parallel modules, the number of contacts of each block can easily be adapted to the number of contact points per row to be contacted on the electronic component.
  • FIGS. 1 to 4 wherein
  • FIG. 1 represents a perspective view of the connector according to a preferred version of the invention
  • FIG. 2 is a detail of FIG. 1,
  • FIG. 3 represents a pair of contact elements of the connector of FIG. 1 housed in their support
  • FIG. 4 represents a contact block of the connector of FIG. 1.
  • the connector of the invention allows the removable connection of an electronic component 9 on a printed circuit 1 forming, for example, part of a test device.
  • the connector is preferably directly fixed to the printed circuit 1 on which are formed conductive tracks not shown in Figure 1 for the transmission of electrical signals entering and leaving the component through the connector.
  • other electronic components not shown are also found on the printed circuit 1, for example forming a test circuit allowing the generation and / or the processing of these electrical signals.
  • the connector is for example suitable for the connection of encapsulated components without tabs.
  • the contact points of these components are generally conductive surfaces formed on the underside of the component.
  • the electronic component 9 shown by way of illustrative example but in no way limiting in FIG. 1 has, along each side of its lower face, a row of four contact points not shown.
  • each contact block 2 comprises, on one of the ends of its upper face, four pairs of test tips 30, 40 oriented substantially vertically. They are arranged in a row corresponding to a row of contact points of the electronic component 9, the two test tips 30, 40 of the same pair being intended to come into contact with the same contact point, thus making it possible to carry out Kelvin type measurements on component 9.
  • each test tip 30 or 40 forms a half-arrow whose vertical flank is placed facing the vertical flank of the other test tip 40, resp. 30 of the same pair.
  • the spacing between the two test tips 30, 40 is thus constant over their entire length, making it possible to minimize the distance between their upper parts.
  • the configuration in half-arrows of the test tips 30, 40 also makes it possible, without increasing the distance between their upper ends, to maximize the width of their base in order to minimize their electrical resistance and to guarantee them good mechanical strength.
  • the four contact blocks 2 of the connector are arranged crosswise on the printed circuit 1, so that each row of contact points of the component 9 corresponds to a row of pair of test pins 30, 40.
  • each of its contact points is thus in contact with a pair of test tips 30, 40.
  • Kelvin-type measurements can thus be carried out between any two points of component 9, a first test tip 40 of each pair serving to bring an electrical signal to a contact point, the second test tip 30 serving to measure at the same time certain electrical characteristics of the component 9 at this same contact point.
  • the contact blocks 2 are held on the printed circuit using fixing elements, at least some of which are preferably fixed on the printed circuit 1.
  • These fixing elements comprise for example for each contact block 2 a stud reference 6 fixed, for example screwed, on the printed circuit 1 and having a reference surface 66 whose position on the printed circuit 1 is determined with precision.
  • the reference pad 6 preferably has additional elements making it possible to precisely place the contact block 2 along its reference surface 66, for example rods 62 accommodating in suitable apertures 22 of the contact block 2.
  • the contact block 2 is held against the reference block 6 by a wedge 60 which is blocked at using a lever 61 kept in rotation on a base 610 fixed, for example screwed, on the printed circuit 1.
  • the fixing elements for each contact block 2, in particular the reference blocks 6, are thus arranged with precision on the printed circuit 1 so as to ensure the contact elements of the connector a position allowing correct connection of the component 9 on the printed circuit 1.
  • the contact blocks 2 are preferably constructed entirely modular. Each contact block comprises for example a certain number of identical modules carrying the contact elements of the connector.
  • each contact block 2 comprises four parallel modules each carrying a pair of test tips 30, 40.
  • Each module comprises a support 20 made of insulating material, for example injected plastic, in which two are housed electrically conductive strips 3, 4 formed for example by stamping from a metal plate.
  • the blades 3, 4 form two parallel tracks running through the module from its upper part to its lower part.
  • the upper ends of the blades 3, 4 emerge from the support 20 and form a pair of test tips 30, 40.
  • the lower ends of the blades 3, 4 also protrude from the support 20 and can thus be brought into contact for example with conductive tracks 10, 11 formed on the printed circuit 1.
  • the blades 3, 4 then ensure the transmission of the electrical signals between the conductive tracks 10, 11 of the printed circuit 1 and the component 9 when the latter is placed on the connector.
  • the conductive tracks 10, 11 going towards the same pair of blades 3, 4 are advantageously formed on different layers of the printed circuit 1.
  • the thickness of the support 20 is preferably equal to the distance between the centers of two adjacent contact points of the component 9, thus directly determining the correct spacing between the pairs of test tips 30, 40 during assembly of the block of contacts 2.
  • the thickness of the blades 3, 4 must thus be substantially less than this distance, by so as to be able to fully accommodate in the support 20.
  • the thickness of the blades is preferably less than or equal to half the thickness of the support 20.
  • the openings 22 which will allow the correct alignment of the contact block 2 when it is fixed to the printed circuit 1.
  • Each contact block 2 of the connector of the invention thus comprises a certain number of modules comprising blades 3, 4, assembled so that the pairs of test tips 30, 40 are aligned according to the arrangement of a row of contact points of the component 9.
  • the contact block 2 is preferably completed by a support 20 empty of any contact element serving to cover the conductive strips of the last module.
  • the modules comprising the contact points 30, 40 as well as the empty support 20 are held together by one or more fixing elements, for example by an elastic band 5.
  • the shape and dimensions of the blades 3, 4 are preferably determined in order to guarantee them a certain flexibility in the vertical plane allowing a slight adjustment of the distance between their upper end and their lower end. This adjustment is also made possible by the configuration of the support 20 which allows a certain movement of the blades 3, 4 when the latter are housed there.
  • the blades 3, 4 are thus advantageously pressed with a certain force against the conductive tracks 10, 11 so as to cause their slight bending, while remaining in their zone d 'elasticity.
  • Such elastic support guarantees quality of all contacts between the connector and the printed circuit 1, despite possible differences in the length of the blades 3, 4.
  • the flexibility of the blades 3, 4 ensures good contact between the connector and the component 9 when the latter is pressed against the test tips 30, 40.
  • the spacing between the contact points of the same electronic component is generally determined by standards.
  • the thickness of the supports 20 is therefore preferably equal to a standardized value.
  • the implicit standards currently in force fix the values of 1.27 mm, 0.65 mm, 0.5 mm and 0.35 mm.
  • components having an even smaller spacing between contacts are in the process of being qualified by several manufacturers of semiconductor components.
  • the connector of the invention can easily be adapted to future standards by modifying the thickness of the support 20 and possibly of the blades 3, 4.
  • the component 9 is in contact on only one of its faces with the connector.
  • the component 9 can thus be connected to the tracks 10, 11 of the printed circuit 1 in a single movement.
  • the contact elements 3, 4 are preferably stationary while the component 9 is approached from the connector until it is in contact and preferably lightly pressed on the test tips 30, 40. The time required to establish contact is thus minimized, in particular compared to the connectors of the prior art allowing Kelvin-type measurements, generally requiring at least two distinct linear movements.
  • the connector of the invention can thus be used on the stations of an automatic processing line for electronic components without represent significant limitation of the cadence of the line, even in the case where it is very high.
  • the connector of the invention is for example integrated into a test device forming part of an automatic test line articulated around a component conveyor.
  • the conveyor for example, transports the components to be tested using suction heads picking up and holding the components by their upper face.
  • a new component to be tested is presented above the connector.
  • the suction head is then lowered so that the component is in contact with the connector.
  • the quality of the connection is preferably ensured by the support with a determined force of the component 9 on the test tips 30, 40.
  • the electrical test of the component including for example Kelvin type measurements, is carried out with the head d he aspiration now the component is raised and the conveyor is advanced one step.
  • the connector is for example associated with a centering and / or orientation device guiding the component 9 in its movement when establishing contact.
  • a centering and / or orientation device comprises for example guides or jaws positioning the electronic component by aligning its side walls on a reference position.
  • the contact elements 3, 4 subjected to wear can be replaced easily, without tools and without subsequent adjustment, for example by replacing the blocks 2.
  • the connector of the invention is described above in the context of its integration into a device for the electrical test of electronic components. Those skilled in the art will however understand that the connector of the invention can also be used in the context of other applications, in particular any application requiring the removable or fixed connection of a component on a printed circuit.
  • the connector can then be associated with fixing elements allowing long-term, even permanent, attachment of the component to the connector.
  • the connector of the invention makes it possible to carry out Kelvin-type measurements on components without legs.
  • the connector of the invention can be adapted to contacting other types of component and to performing other types of measurements.
  • the contact blocks can for example have test tips arranged in several parallel rows in order to allow the contacting of components whose contact points are arranged in a grid on one of its faces, such as BGA components (Bail Grid Array) by example. It is also possible, within the framework of the invention, to form connectors having only one contact element for each contact point of the component.

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)

Abstract

Disclosed is a connector for simultaneously connecting an electronic component (9) at several contact points located in at least one row when said electronic component (9) is positioned on the connector. The inventive connector comprises at least one block of contacts (2) for connecting the contact points of the row, said block of contacts (2) encompassing several parallel modules, each of which is provided with at least one contacting element (3, 4) and a support (20) for at least partly accommodating the contacting element (3, 4). The contact blocks of the inventive connector are formed by assembling several parallel modules such that the number of contacts of each block can easily be adjusted to the number of contact points per row, which are to be contacted on the electronic component.

Description

Connecteur connector
La présente invention concerne un connecteur pour la connexion d'un composant électronique. La présente invention concerne en particulier un connecteur pour la connexion d'un composant électronique simultané- ment en plusieurs points de contact disposés sur au moins une rangée lorsque le composant électronique est placé sur le connecteur.The present invention relates to a connector for connecting an electronic component. The present invention relates in particular to a connector for the connection of an electronic component simultaneously at several contact points arranged in at least one row when the electronic component is placed on the connector.
Après leur fabrication et/ou avant leur intégration par exemple sur un circuit imprimé, les composants électroniques sont généralement soumis à un ou plusieurs tests électriques. Ils sont alors connectés temporairement à un circuit de test par l'intermédiaire d'un connecteur adapté. Le connecteur comprend habituellement une pluralité d'éléments de contact destinés à être reliés électriquement aux points de contact, par exemple aux pattes de sortie, du composant électronique à tester. La forme, la taille et la répartition des éléments de contacts du connecteur sont ainsi déterminées en fonction de la forme, de la taille et de la répartition des points de contacts des composants à tester.After their manufacture and / or before their integration for example on a printed circuit, the electronic components are generally subjected to one or more electrical tests. They are then temporarily connected to a test circuit via a suitable connector. The connector usually comprises a plurality of contact elements intended to be electrically connected to the contact points, for example to the output tabs, of the electronic component to be tested. The shape, size and distribution of the connector contact elements are thus determined according to the shape, size and distribution of the contact points of the components to be tested.
Or la surface des points de contact, en particulier dans le cas des composants encapsulés sans pattes ou composants LLP, est généralement très petite et l'écartement entre eux est très faible, rendant difficile leur contactage, particulièrement pour des dispositifs de tests automatiques. La difficulté est encore accrue lorsque le test nécessite des mesures de type Kelvin pour lesquelles chaque point de contact du composant à tester doit être contacté en deux endroits différents par deux éléments de contact distincts.However, the surface of the contact points, in particular in the case of components encapsulated without tabs or LLP components, is generally very small and the spacing between them is very small, making their contacting difficult, particularly for automatic testing devices. The difficulty is further increased when the test requires Kelvin-type measurements for which each contact point of the component to be tested must be contacted in two different places by two separate contact elements.
Certains dispositifs de test de l'art antérieur comprennent des connecteurs dont les éléments de contact sont des lames flexibles mobiles. Selon le principe de fonctionnement de ces connecteurs, le composant à tester est placé en un endroit déterminé et selon une orientation précise. Les lames flexibles sont ensuite approchées du composant jusqu'à ce que leurs extrémités appuient contre ses points de contact. Pour permettre des mesures de type Kelvin, certains connecteurs comprennent, pour chaque point de contact du composant à tester, deux lames flexibles enserrant le point de contact depuis deux faces opposées à la manière d'une pince. De tels connecteurs ne sont toutefois pas adaptés au contactage de tous les types de composants électroniques. Ils ne sont par exemple pas adaptés au contactage de composants encapsulés sans pattes, car les points de contact de ces derniers ne peuvent pas être enserrés de cette manière.Some prior art test devices include connectors whose contact elements are movable flexible blades. According to the operating principle of these connectors, the component to be tested is placed in a determined location and according to a precise orientation. The flexible blades are then brought closer to the component until their ends press against its contact points. To allow Kelvin-type measurements, some connectors include, for each point of contact of the component to be tested, two flexible blades enclosing the point of contact from two opposite faces in the manner of a clamp. However, such connectors are not suitable for contacting all types of electronic components. They are not, for example, suitable for contacting encapsulated components without tabs, because the contact points of the latter cannot be clamped in this way.
En outre, afin de garantir l'intégrité des signaux, et donc la précision et la fiabilité du test, les lignes de transmission entre le connecteur et le circuit de test sont avantageusement constituées de pistes conductrices rigides telles que par exemple les pistes d'un circuit imprimé, car les caractéristiques de transmission de ces pistes peuvent être déterminées avec précision et sont assurées d'une certaine stabilité. Leur fabrication est de plus relativement peu coûteuse. Le connecteur est alors, par exemple, placé directement sur le circuit imprimé afin que ses éléments de contact soient en contact direct avec les pistes conductrices. Or, les connecteurs à lames mobiles présentant un encombrement important dû principalement au mécanisme et à l'espace libre nécessaires pour le déplacement des lames, leur intégration à un circuit imprimé est difficile, voire impossible. Les signaux sont alors généralement transmis au circuit de test par des conducteurs flexibles, par exemple des fils de cuivre isolés, dont les caractéristiques de transmission sont peu régulières et fortement sensibles aux contraintes mécaniques que pourrait subir le conducteur.In addition, in order to guarantee the integrity of the signals, and therefore the accuracy and reliability of the test, the transmission lines between the connector and the test circuit are advantageously made up of rigid conductive tracks such as for example the tracks of a printed circuit, because the transmission characteristics of these tracks can be determined with precision and are assured of a certain stability. Their manufacture is moreover relatively inexpensive. The connector is then, for example, placed directly on the printed circuit so that its contact elements are in direct contact with the conductive tracks. However, the movable blade connectors having a large footprint mainly due to the mechanism and the free space necessary for the movement of the blades, their integration into a printed circuit is difficult, if not impossible. The signals are then generally transmitted to the test circuit by flexible conductors, for example insulated copper wires, whose transmission characteristics are irregular and highly sensitive to the mechanical stresses that the conductor could undergo.
Certains connecteurs de l'art antérieur tentent de résoudre ce problème en fixant directement chaque série d'éléments de contact mobiles sur un circuit imprimé différent. Ainsi les éléments de contact ayant le même déplacement sont tous connectés au même élément rigide sur lequel les signaux sont transmis de manière fiable. Les signaux transitant sur les différents circuits imprimés mobiles doivent cependant être ramenés vers le circuit de test qui les traitera et qui est généralement formé sur un élément fixe séparé. Pour faire le lien entre les circuits imprimés mobiles et le circuit imprimé fixe, il est ainsi toujours nécessaire de recourir à des conducteurs flexibles dont les caractéristiques de transmission sont peu fiables. Les connecteurs mobiles présentent de plus le désavantage qu'ils nécessitent des mécanismes généralement coûteux et parfois compliqués pour mouvoir les éléments de contact avec la précision voulue. Leur cadence de test est en outre limitée en raison du temps nécessaire à l'établissement du contact entre le circuit de test et le composant à tester, dû principalement au temps de déplacement des éléments mobiles du connecteur, rendant leur utilisation peu avantageuse sur une ligne de traitement automatique dont la cadence dépend directement du temps nécessaire à l'opération la plus longue.Certain connectors of the prior art try to solve this problem by directly fixing each series of movable contact elements on a different printed circuit. Thus the contact elements having the same displacement are all connected to the same rigid element on which the signals are transmitted reliably. The signals passing through the various mobile printed circuits must however be brought back to the test circuit which will process them and which is generally formed on a separate fixed element. To make the link between the mobile printed circuits and the fixed printed circuit, it is thus always necessary to use flexible conductors whose transmission characteristics are unreliable. Movable connectors also have the disadvantage that they require generally expensive and sometimes complicated mechanisms to move the contact elements with the desired precision. Their test rate is also limited due to the time required to establish contact between the test circuit and the component to be tested, mainly due to the time spent moving the movable elements of the connector, making their use not very advantageous on a line. automatic processing whose rate depends directly on the time required for the longest operation.
Les inconvénients des connecteurs mobiles peuvent être en partie résolu par l'utilisation de connecteurs fixes, de préférence fixés directement sur un circuit imprimé comprenant par exemple également le circuit de test, sur lesquels les composants électroniques sont placés durant la durée du test. La construction des connecteurs fixes de l'art antérieur est cependant généralement complexe et coûteuse. Un nouveau connecteur doit en particulier être réalisé pour chaque type de composant à tester, ce qui génère des coûts de développement et de fabrication non négligeables. De plus, ils ne sont généralement pas réparables et doivent donc être remplacés entièrement après un nombre déterminé de tests, par exemple.The drawbacks of mobile connectors can be partly resolved by the use of fixed connectors, preferably fixed directly on a printed circuit including for example also the test circuit, on which the electronic components are placed during the duration of the test. The construction of the fixed connectors of the prior art is however generally complex and expensive. A new connector must in particular be produced for each type of component to be tested, which generates significant development and manufacturing costs. In addition, they are generally not repairable and must therefore be replaced entirely after a specific number of tests, for example.
Un but de la présente invention est ainsi de proposer un connecteur ne présentant pas les inconvénients des connecteurs de l'art antérieur.An object of the present invention is thus to propose a connector which does not have the drawbacks of the connectors of the prior art.
Un autre but de la présente invention est de proposer un connecteur permettant une connexion amovible rapide et fiable de composants électroniques sur un circuit imprimé.Another object of the present invention is to provide a connector allowing a quick and reliable removable connection of electronic components on a printed circuit.
Un autre but de la présente invention est de proposer un connecteur permettant l'échange rapide, sans utilisation d'outils et sans ajustage ultérieur, des éléments de contact soumis à l'usure. Un but supplémentaire de la présente invention est de proposer des éléments de remplacements pour les pièces soumises à l'usure dont la fabrication soit aussi simple que possible, avec un prix compétitif.Another object of the present invention is to provide a connector allowing the rapid exchange, without the use of tools and without subsequent adjustment, of the contact elements subjected to wear. An additional object of the present invention is to provide replacement elements for parts subject to wear, the manufacture of which is as simple as possible, with a competitive price.
Ces buts sont atteints à l'aide d'un connecteur possédant les caractéristiques de la première revendication indépendante, des variantes avantageuses étant données par les revendications dépendantes.These objects are achieved by means of a connector having the characteristics of the first independent claim, advantageous variants being given by the dependent claims.
Ces buts sont atteints en particulier par un connecteur pour la connexion d'un composant électronique simultanément en plusieurs points de contact disposés sur au moins une rangée lorsque le composant électronique est placé sur le connecteur, le connecteur comprenant au moins un bloc de contacts pour la connexion des points de contacts de la rangée, le bloc de contacts comprenant plusieurs modules parallèles comprenant chacun au moins un élément de contact et un support pour loger au moins partiellement l'élément de contact.These aims are achieved in particular by a connector for the connection of an electronic component simultaneously at several contact points arranged in at least one row when the electronic component is placed on the connector, the connector comprising at least one contact block for the connection of the contact points of the row, the contact block comprising several parallel modules each comprising at least one contact element and a support for at least partially housing the contact element.
Les blocs de contact du connecteur de l'invention étant formés par l'assemblage de plusieurs modules parallèles, le nombre de contacts de chaque bloc peut facilement être adapté au nombre de points de contact par rangée à contacter sur le composant électronique.The contact blocks of the connector of the invention being formed by the assembly of several parallel modules, the number of contacts of each block can easily be adapted to the number of contact points per row to be contacted on the electronic component.
La présente invention sera mieux comprise à la lumière de la description de sa variante préférentielle illustrée par les figures 1 à 4, oùThe present invention will be better understood in the light of the description of its preferred variant illustrated by FIGS. 1 to 4, where
la figure 1 représente une vue en perspective du connecteur selon une version préférentielle de l'invention,FIG. 1 represents a perspective view of the connector according to a preferred version of the invention,
la figure 2 est un détail de la figure 1,FIG. 2 is a detail of FIG. 1,
la figure 3 représente une paire d'éléments de contact du connecteur de la figure 1 logés dans leur support,FIG. 3 represents a pair of contact elements of the connector of FIG. 1 housed in their support,
la figure 4 représente un bloc de contacts du connecteur de la figure 1. Selon une variante préférentielle illustré à la figure 1, le connecteur de l'invention permet la connexion amovible d'un composant électronique 9 sur un circuit imprimé 1 faisant par exemple partie d'un dispositif de test. Le connecteur est de préférence directement fixé sur le circuit imprimé 1 sur lequel sont formées des pistes conductrices non représentées à la figure 1 pour la transmission des signaux électriques entrant et sortant du composant à travers le connecteur. Selon une variante de l'invention, d'autres composants électroniques non représentés se trouvent également sur le circuit imprimé 1, formant par exemple un circuit de test permettant la génération et/ou le traitement de ces signaux électriques.FIG. 4 represents a contact block of the connector of FIG. 1. According to a preferred variant illustrated in FIG. 1, the connector of the invention allows the removable connection of an electronic component 9 on a printed circuit 1 forming, for example, part of a test device. The connector is preferably directly fixed to the printed circuit 1 on which are formed conductive tracks not shown in Figure 1 for the transmission of electrical signals entering and leaving the component through the connector. According to a variant of the invention, other electronic components not shown are also found on the printed circuit 1, for example forming a test circuit allowing the generation and / or the processing of these electrical signals.
Le connecteur est par exemple adapté à la connexion de composants encapsulés sans pattes. Les points de contact de ces composants sont généralement des surfaces conductrices formées sur la face inférieure du composant. Le composant électronique 9 représenté à titre d'exemple illustratif mais en aucun cas limitatif à la figure 1 possède, le long de chaque côté de sa face inférieure, une rangée de quatre points de contact non représentés.The connector is for example suitable for the connection of encapsulated components without tabs. The contact points of these components are generally conductive surfaces formed on the underside of the component. The electronic component 9 shown by way of illustrative example but in no way limiting in FIG. 1 has, along each side of its lower face, a row of four contact points not shown.
Le connecteur comprend quatre blocs de contacts 2 dont la construction est expliquée plus bas. De la partie supérieure de chaque bloc de contacts 2 émergent des pointes de test dont le nombre et la disposition dépendent du nombre et de la disposition des points de contact du composant à tester et/ou du type de test à effectuer. Dans l'exemple de la figure 1 dont un détail est représenté à la figure 2, chaque bloc de contacts 2 comprend, sur une des extrémités de sa face supérieure, quatre paires de pointes de test 30, 40 orientées sensiblement verticalement. Elles sont disposées sur une rangée correspondant à une rangée de points de contacts du composant électronique 9, les deux pointes de test 30, 40 d'une même paire étant destinées à entrer en contact avec un même point de contact, permettant ainsi d'effectuer des mesures de type Kelvin sur le composant 9.The connector comprises four contact blocks 2, the construction of which is explained below. From the upper part of each contact block 2 emerge test tips, the number and arrangement of which depend on the number and arrangement of the contact points of the component to be tested and / or the type of test to be performed. In the example of FIG. 1, a detail of which is shown in FIG. 2, each contact block 2 comprises, on one of the ends of its upper face, four pairs of test tips 30, 40 oriented substantially vertically. They are arranged in a row corresponding to a row of contact points of the electronic component 9, the two test tips 30, 40 of the same pair being intended to come into contact with the same contact point, thus making it possible to carry out Kelvin type measurements on component 9.
Les deux pointes de test 30, 40 d'une même paire doivent ainsi être suffisamment proches l'une de l'autre pour pouvoir entrer en contact simultanément avec le même point de contact du composant 9, tout en étant suffisamment écartées afin d'éviter tout contact électrique indésirable entre elles. Afin de concilier au mieux ces deux exigences, le profil de chaque pointe de test 30 ou 40 forme une demi-flèche dont le flanc vertical est placé face au flanc vertical de l'autre pointe de test 40, resp. 30 de la même paire. L'écartement entre les deux pointes de test 30, 40 est ainsi constant sur toute leur longueur, permettant de minimiser la distance entre leurs parties supérieures. La configuration en demi-flèches des pointes de test 30, 40 permet également, sans augmenter la distance entre leurs extrémités supérieures, de maximiser la largeur de leur base afin de minimiser leur résistance électrique et de leur garantir une bonne tenue mécanique.The two test tips 30, 40 of the same pair must therefore be close enough to each other to be able to come into contact simultaneously with the same point of contact of the component 9, while being sufficiently spaced to avoid any undesirable electrical contact between them. In order to best reconcile these two requirements, the profile of each test tip 30 or 40 forms a half-arrow whose vertical flank is placed facing the vertical flank of the other test tip 40, resp. 30 of the same pair. The spacing between the two test tips 30, 40 is thus constant over their entire length, making it possible to minimize the distance between their upper parts. The configuration in half-arrows of the test tips 30, 40 also makes it possible, without increasing the distance between their upper ends, to maximize the width of their base in order to minimize their electrical resistance and to guarantee them good mechanical strength.
Les quatre blocs de contacts 2 du connecteur sont disposés en croix sur le circuit imprimé 1, de manière à ce qu'à chaque rangée de points de contact du composant 9 corresponde une rangée de paire de pointes de test 30, 40. Lorsque le composant 9 est placé sur le connecteur, chacun de ses points de contact est ainsi en contact avec une paire de pointes de test 30, 40. Des mesures de type Kelvin peuvent ainsi être effectuées entre deux points quelconque du composant 9, une première pointe de test 40 de chaque paire servant à amener un signal électrique sur un point de contact, la deuxième pointe de test 30 servant à mesurer au même instant certaines caractéristiques électriques du composant 9 en ce même point de contact.The four contact blocks 2 of the connector are arranged crosswise on the printed circuit 1, so that each row of contact points of the component 9 corresponds to a row of pair of test pins 30, 40. When the component 9 is placed on the connector, each of its contact points is thus in contact with a pair of test tips 30, 40. Kelvin-type measurements can thus be carried out between any two points of component 9, a first test tip 40 of each pair serving to bring an electrical signal to a contact point, the second test tip 30 serving to measure at the same time certain electrical characteristics of the component 9 at this same contact point.
Les blocs de contacts 2 sont maintenus sur le circuit imprimé à l'aide d'éléments de fixation dont certains au moins sont de préférence fixés sur le circuit imprimé 1. Ces éléments de fixation comprennent par exemple pour chaque bloc de contacts 2 un plot de référence 6 fixé, par exemple vissé, sur le circuit imprimé 1 et possédant une surface de référence 66 dont la position sur le circuit imprimé 1 est déterminée avec précision. Le plot de référence 6 possède de préférence des éléments supplémentaires permettant de placer précisément le bloc de contacts 2 le long de sa surface de référence 66, par exemple des tiges 62 logeant dans des ouvertures 22 adaptées du bloc de contacts 2. Le bloc de contacts 2 est maintenu contre le bloc de référence 6 par une cale 60 qui est bloquée à l'aide d'un levier 61 maintenu en rotation sur une base 610 fixée, par exemple vissée, sur le circuit imprimé 1. Les éléments de fixation pour chaque bloc de contacts 2, en particulier les blocs de référence 6, sont ainsi disposés avec précision sur le circuit imprimé 1 de manière à assurer aux éléments de contact du connecteur une position permettant une connexion correcte du composant 9 sur le circuit imprimé 1.The contact blocks 2 are held on the printed circuit using fixing elements, at least some of which are preferably fixed on the printed circuit 1. These fixing elements comprise for example for each contact block 2 a stud reference 6 fixed, for example screwed, on the printed circuit 1 and having a reference surface 66 whose position on the printed circuit 1 is determined with precision. The reference pad 6 preferably has additional elements making it possible to precisely place the contact block 2 along its reference surface 66, for example rods 62 accommodating in suitable apertures 22 of the contact block 2. The contact block 2 is held against the reference block 6 by a wedge 60 which is blocked at using a lever 61 kept in rotation on a base 610 fixed, for example screwed, on the printed circuit 1. The fixing elements for each contact block 2, in particular the reference blocks 6, are thus arranged with precision on the printed circuit 1 so as to ensure the contact elements of the connector a position allowing correct connection of the component 9 on the printed circuit 1.
Les blocs de contacts 2 sont de préférence construits de façon entièrement modulaire. Chaque bloc de contacts comprend par exemple un certain nombre de modules identiques portant les éléments de contact du connecteur.The contact blocks 2 are preferably constructed entirely modular. Each contact block comprises for example a certain number of identical modules carrying the contact elements of the connector.
En référence aux figures 3 et 4, chaque bloc de contacts 2 comprend quatre modules parallèles portant chacun une paire de pointes de test 30, 40. Chaque module comprend un support 20 en matière isolante, par exemple en plastique injecté, dans lequel sont logées deux lames 3, 4 électriquement conductrices formées par exemple par étampage à partir d'une plaque métallique. Les lames 3, 4 forment deux pistes parallèles parcourant le module de sa partie supérieure à sa partie inférieure. Les extrémité supérieures des lames 3, 4 émergent du support 20 et forment une paire de pointes de test 30, 40. Les extrémités inférieures des lames 3, 4 dépassent également du support 20 et peuvent ainsi être mises en contact par exemple avec des pistes conductrices 10, 11 formées sur le circuit imprimé 1. Les lames 3, 4 assurent alors la transmission des signaux électriques entre les pistes conductrices 10, 11 du circuit imprimé 1 et le composant 9 lorsque celui-ci est placé sur le connecteur. Pour des raisons de place et de limitation des interférences, les pistes conductrices 10, 11 allant vers une même paire de lames 3, 4 sont avantageusement formées sur des couches différentes du circuit imprimé 1.With reference to FIGS. 3 and 4, each contact block 2 comprises four parallel modules each carrying a pair of test tips 30, 40. Each module comprises a support 20 made of insulating material, for example injected plastic, in which two are housed electrically conductive strips 3, 4 formed for example by stamping from a metal plate. The blades 3, 4 form two parallel tracks running through the module from its upper part to its lower part. The upper ends of the blades 3, 4 emerge from the support 20 and form a pair of test tips 30, 40. The lower ends of the blades 3, 4 also protrude from the support 20 and can thus be brought into contact for example with conductive tracks 10, 11 formed on the printed circuit 1. The blades 3, 4 then ensure the transmission of the electrical signals between the conductive tracks 10, 11 of the printed circuit 1 and the component 9 when the latter is placed on the connector. For reasons of space and limitation of interference, the conductive tracks 10, 11 going towards the same pair of blades 3, 4 are advantageously formed on different layers of the printed circuit 1.
L'épaisseur du support 20 est de préférence égale à la distance entre les centres de deux points de contact voisins du composant 9, déterminant ainsi directement l'écartement correct entre les paires de pointes de test 30, 40 lors de l'assemblage du bloc de contacts 2. L'épaisseur des lames 3, 4 doit ainsi être sensiblement inférieure à cette distance, de manière à pouvoir loger entièrement dans le support 20. L'épaisseur des lames est de préférence inférieure ou égale à la moitié de l'épaisseur du support 20.The thickness of the support 20 is preferably equal to the distance between the centers of two adjacent contact points of the component 9, thus directly determining the correct spacing between the pairs of test tips 30, 40 during assembly of the block of contacts 2. The thickness of the blades 3, 4 must thus be substantially less than this distance, by so as to be able to fully accommodate in the support 20. The thickness of the blades is preferably less than or equal to half the thickness of the support 20.
Dans le profil du support 20 sont en outre formées les ouvertures 22 qui permettront l'alignement correct du bloc de contacts 2 lors de sa fixation sur le circuit imprimé 1.In the profile of the support 20 are also formed the openings 22 which will allow the correct alignment of the contact block 2 when it is fixed to the printed circuit 1.
Chaque bloc de contacts 2 du connecteur de l'invention comprend ainsi un certain nombre de modules comprenant des lames 3, 4, assemblées de manière à ce que les paires de pointes de test 30, 40 soient alignées suivant la disposition d'une rangée de points de contact du composant 9. Le bloc de contacts 2 est de préférence complété par un support 20 vide de tout élément de contact servant à recouvrir les lames conductrices du dernier module. Les modules comprenant les pointes de contact 30, 40 ainsi que le support 20 vide sont maintenus ensemble par un ou plusieurs éléments de fixation, par exemple par une bande élastique 5.Each contact block 2 of the connector of the invention thus comprises a certain number of modules comprising blades 3, 4, assembled so that the pairs of test tips 30, 40 are aligned according to the arrangement of a row of contact points of the component 9. The contact block 2 is preferably completed by a support 20 empty of any contact element serving to cover the conductive strips of the last module. The modules comprising the contact points 30, 40 as well as the empty support 20 are held together by one or more fixing elements, for example by an elastic band 5.
L'homme du métier comprendra aisément qu'il serait parfaitement envisageable, dans le cadre de l'invention, d'utiliser un couvercle isolant de forme adaptée à la place du support 20 vide. Cela augmenterait cependant le nombre d'éléments différents constituant un bloc de contacts 2 et représenterait donc une solution économiquement moins avantageuse.Those skilled in the art will readily understand that it would be perfectly possible, within the framework of the invention, to use an insulating cover of suitable shape in place of the empty support. This would however increase the number of different elements constituting a contact block 2 and would therefore represent an economically less advantageous solution.
La forme et les dimensions des lames 3, 4 sont de préférence déterminées afin de leur garantir une certaine flexibilité dans le plan vertical permettant un léger ajustement de la distance entre leur extrémité supérieure et leur extrémité inférieure. Cet ajustement est également rendu possible par la configuration du support 20 qui permet un certain mouvement des lames 3, 4 lorsque ces dernières y sont logées. Lors de la fixation du bloc de contacts 2 sur le circuit imprimé 1, les lames 3, 4 sont ainsi avantageusement appuyées avec une certaine force contre les pistes conductrices 10, 11 de manière à provoquer leur légère flexion, tout en restant dans leur zone d'élasticité. Un tel appui élastique garantit la qualité de tous les contacts entre le connecteur et le circuit imprimé 1, malgré d'éventuelles différences de longueur des lames 3, 4.The shape and dimensions of the blades 3, 4 are preferably determined in order to guarantee them a certain flexibility in the vertical plane allowing a slight adjustment of the distance between their upper end and their lower end. This adjustment is also made possible by the configuration of the support 20 which allows a certain movement of the blades 3, 4 when the latter are housed there. When fixing the contact block 2 on the printed circuit 1, the blades 3, 4 are thus advantageously pressed with a certain force against the conductive tracks 10, 11 so as to cause their slight bending, while remaining in their zone d 'elasticity. Such elastic support guarantees quality of all contacts between the connector and the printed circuit 1, despite possible differences in the length of the blades 3, 4.
De la même manière, la flexibilité des lames 3, 4 permet d'assurer un bon contact entre le connecteur et le composant 9 lorsque ce dernier est appuyé contre les pointes de test 30, 40.Likewise, the flexibility of the blades 3, 4 ensures good contact between the connector and the component 9 when the latter is pressed against the test tips 30, 40.
L'écartement entre les points de contact d'un même composant électronique est généralement déterminé par des normes. L'épaisseur des support 20 est donc de préférence égale à une valeur normée. Dans le cas des composants LLP, par exemple, les normes implicites actuellement en vigueur fixent les valeurs de 1.27 mm, 0.65 mm, 0.5 mm et 0.35 mm. Par ailleurs, des composants ayant un écartement encore plus faible entre contacts sont en cours de qualification chez plusieurs fabricants de composants semiconducteurs. Ainsi, selon l'invention, il est uniquement nécessaire d'avoir un nombre limité de types de supports d'épaisseurs différentes afin de pouvoir construire de manière parfaitement modulaire des connecteurs adaptés à tout type de composant sans pattes connu. L'homme du métier comprendra également que le connecteur de l'invention peut facilement être adapté aux normes à venir par une modification de l'épaisseur des support 20 et éventuellement des lames 3, 4.The spacing between the contact points of the same electronic component is generally determined by standards. The thickness of the supports 20 is therefore preferably equal to a standardized value. In the case of LLP components, for example, the implicit standards currently in force fix the values of 1.27 mm, 0.65 mm, 0.5 mm and 0.35 mm. Furthermore, components having an even smaller spacing between contacts are in the process of being qualified by several manufacturers of semiconductor components. Thus, according to the invention, it is only necessary to have a limited number of types of supports of different thicknesses in order to be able to construct perfectly modular connectors adapted to any type of known legless component. Those skilled in the art will also understand that the connector of the invention can easily be adapted to future standards by modifying the thickness of the support 20 and possibly of the blades 3, 4.
Selon l'invention, le composant 9 n'est en contact que sur une seule de ses faces avec le connecteur. Le composant 9 peut ainsi être relié aux pistes 10, 11 du circuit imprimé 1 en un seul mouvement. Les éléments de contact 3, 4 sont de préférence immobiles tandis que le composant 9 est approché du connecteur jusqu'à être en contact et de préférence légèrement appuyé sur les pointes de test 30, 40. Le temps nécessaire à l'établissement du contact est ainsi minimisé, notamment par rapport aux connecteurs de l'art antérieur permettant des mesures de type Kelvin, nécessitant généralement au moins deux mouvements linéaires distincts.According to the invention, the component 9 is in contact on only one of its faces with the connector. The component 9 can thus be connected to the tracks 10, 11 of the printed circuit 1 in a single movement. The contact elements 3, 4 are preferably stationary while the component 9 is approached from the connector until it is in contact and preferably lightly pressed on the test tips 30, 40. The time required to establish contact is thus minimized, in particular compared to the connectors of the prior art allowing Kelvin-type measurements, generally requiring at least two distinct linear movements.
Le connecteur de l'invention peut ainsi être utilisé sur les postes d'une ligne de traitement automatique des composants électroniques sans représenter de limitation significative de la cadence de la ligne, même dans le cas où elle est très élevée. Selon une variante, le connecteur de l'invention est par exemple intégré à un dispositif de test faisant partie d'une ligne de test automatique articulée autour d'un convoyeur de composant. Le convoyeur transporte par exemple les composants à tester à l'aide de têtes d'aspiration prélevant et maintenant les composants par leur face supérieure. A chaque pas du convoyeur, un nouveau composant à tester est présenté au-dessus du connecteur. La tête d'aspiration est alors abaissée afin que le composant soit en contact avec le connecteur. La qualité de la connexion est de préférence assurée par l'appui avec une force déterminée du composant 9 sur les pointes de test 30, 40. Le test électrique du composant, incluant par exemple des mesures de type Kelvin, est effectué, la tête d'aspiration maintenant le composant est relevée et le convoyeur est avancé d'un pas.The connector of the invention can thus be used on the stations of an automatic processing line for electronic components without represent significant limitation of the cadence of the line, even in the case where it is very high. According to a variant, the connector of the invention is for example integrated into a test device forming part of an automatic test line articulated around a component conveyor. The conveyor, for example, transports the components to be tested using suction heads picking up and holding the components by their upper face. At each step of the conveyor, a new component to be tested is presented above the connector. The suction head is then lowered so that the component is in contact with the connector. The quality of the connection is preferably ensured by the support with a determined force of the component 9 on the test tips 30, 40. The electrical test of the component, including for example Kelvin type measurements, is carried out with the head d he aspiration now the component is raised and the conveyor is advanced one step.
Afin d'assurer un alignement correct des points de contact du composant avec les pointes de test 30, 40, le composant doit être orienté correctement avant ou durant son mouvement d'approche du connecteur. Selon une variante, le connecteur est par exemple associé à un dispositif de centrage et/ou d'orientation guidant le composant 9 dans son mouvement lors de l'établissement du contact. Un tel dispositif comprend par exemple des guides ou des mâchoires positionnant le composant électronique par l'alignement de ses parois latérales sur une position de référence.In order to ensure correct alignment of the contact points of the component with the test tips 30, 40, the component must be oriented correctly before or during its approach movement to the connector. According to a variant, the connector is for example associated with a centering and / or orientation device guiding the component 9 in its movement when establishing contact. Such a device comprises for example guides or jaws positioning the electronic component by aligning its side walls on a reference position.
Les éléments de contactage 3, 4 soumis à l'usure peuvent être remplacés facilement, sans outils et sans ajustement ultérieur, par exemple en remplaçant les blocs 2.The contact elements 3, 4 subjected to wear can be replaced easily, without tools and without subsequent adjustment, for example by replacing the blocks 2.
Le connecteur de l'invention est décrit ci-dessus dans le cadre de son intégration à un dispositif pour le test électrique de composants électroniques. L'homme du métier comprendra cependant que le connecteur de l'invention peut également être employé dans le cadre d'autres applications, en particulier toute application nécessitant la connexion amovible ou fixe d'un composant sur un circuit imprimé. Le connecteur peut alors être associé à des éléments de fixation permettant une fixation de longue durée, voire permanente, du composant sur le connecteur.The connector of the invention is described above in the context of its integration into a device for the electrical test of electronic components. Those skilled in the art will however understand that the connector of the invention can also be used in the context of other applications, in particular any application requiring the removable or fixed connection of a component on a printed circuit. The connector can then be associated with fixing elements allowing long-term, even permanent, attachment of the component to the connector.
Dans la version préférentielle décrite plus haut, le connecteur de l'invention permet d'effectuer des mesures de type Kelvin sur des composants sans pattes. L'homme du métier comprendra cependant que le connecteur de l'invention peut être adapté au contactage d'autres types de composant et à l'exécution d'autres types de mesures. Les blocs de contacts peuvent par exemple posséder des pointes de test disposées sur plusieurs rangées parallèles afin de permettre le contactage de composants dont les points de contacts sont disposés en grille sur une de ses faces, tels que des composants BGA (Bail Grid Array) par exemple. Il est également possible, dans le cadre de l'invention, de former des connecteurs ne possédant qu'un seul élément de contact pour chaque point de contact du composant. In the preferred version described above, the connector of the invention makes it possible to carry out Kelvin-type measurements on components without legs. Those skilled in the art will however understand that the connector of the invention can be adapted to contacting other types of component and to performing other types of measurements. The contact blocks can for example have test tips arranged in several parallel rows in order to allow the contacting of components whose contact points are arranged in a grid on one of its faces, such as BGA components (Bail Grid Array) by example. It is also possible, within the framework of the invention, to form connectors having only one contact element for each contact point of the component.

Claims

Revendications claims
1. Connecteur pour la connexion d'un composant électronique (9) simultanément en plusieurs points de contact disposés sur au moins une rangée lorsque ledit composant électronique (9) est placé sur ledit connecteur, ledit connecteur comprenant au moins un bloc de contacts (2) pour la connexion des points de contacts de ladite au moins une rangée, ledit au moins un bloc de contacts (2) comprenant plusieurs modules parallèles comprenant chacun au moins un élément de contact (3, 4) et un support (20) pour loger au moins partiellement ledit au moins un élément de contact (3, 4).1. Connector for the connection of an electronic component (9) simultaneously in several contact points arranged in at least one row when said electronic component (9) is placed on said connector, said connector comprising at least one contact block (2 ) for connection of the contact points of said at least one row, said at least one contact block (2) comprising several parallel modules each comprising at least one contact element (3, 4) and a support (20) for housing at least partially said at least one contact element (3, 4).
2. Connecteur selon la revendication précédente, pour la connexion dudit composant (9) sur un circuit imprimé (1).2. Connector according to the preceding claim, for the connection of said component (9) on a printed circuit (1).
3. Connecteur selon la revendication précédente, lesdits éléments de contact (3, 4) assurant la transmission de signaux électriques entre ledit circuit imprimé (1) et ledit composant électronique (9) lorsque ledit composant électronique (9) est placé sur ledit connecteur.3. Connector according to the preceding claim, said contact elements (3, 4) ensuring the transmission of electrical signals between said printed circuit (1) and said electronic component (9) when said electronic component (9) is placed on said connector.
4. Connecteur selon l'une des revendications 2 ou 3, ledit au moins un bloc de contacts (2) étant fixé sur ledit circuit imprimé (1).4. Connector according to one of claims 2 or 3, said at least one contact block (2) being fixed on said printed circuit (1).
5. Connecteur selon l'une des revendications 2 à 4, ledit au moins un bloc de contacts (2) étant maintenu sur ledit circuit imprimé (1) par des éléments de fixation (6, 60, 61) permettant un échange dudit bloc de contacts (2).5. Connector according to one of claims 2 to 4, said at least one contact block (2) being held on said printed circuit (1) by fixing elements (6, 60, 61) allowing an exchange of said block of contacts (2).
6. Connecteur selon la revendication précédente, une partie au moins desdits éléments de fixation (6, 60) étant fixés audit circuit imprimé (1).6. Connector according to the preceding claim, at least part of said fixing elements (6, 60) being fixed to said printed circuit (1).
7. Connecteur selon l'une des revendications 5 ou 6, lesdits éléments de fixation (6, 60) comprenant des éléments de référence (6, 62) permettant de placer précisément ledit au moins un bloc de contacts (2) sur ledit circuit imprimé (1).7. Connector according to one of claims 5 or 6, said fastening elements (6, 60) comprising reference elements (6, 62) for precisely placing said at least one contact block (2) on said printed circuit (1).
8. Connecteur selon la revendication précédente, lesdits éléments de référence (6, 62) comprenant un bloc de référence (6) fixé audit circuit imprimé.8. Connector according to the preceding claim, said reference elements (6, 62) comprising a reference block (6) fixed to said printed circuit.
9. Connecteur selon l'une des revendications précédentes, lesdits plusieurs modules comprenant chacun au moins deux éléments de contact (3, 4).9. Connector according to one of the preceding claims, said several modules each comprising at least two contact elements (3, 4).
10. Connecteur selon la revendication précédente, la disposition desdits au moins deux éléments de contact (3, 4) permettant d'effectuer des mesures de type Kelvin sur ledit composant électronique (9).10. Connector according to the preceding claim, the arrangement of said at least two contact elements (3, 4) making it possible to carry out Kelvin type measurements on said electronic component (9).
11. Connecteur selon l'une des revendications précédentes, une dimension au moins dudit support (20) étant égale à la distance séparant les centres de deux points de contact voisins de ladite au moins une rangée.11. Connector according to one of the preceding claims, at least one dimension of said support (20) being equal to the distance separating the centers of two adjacent contact points of said at least one row.
12. Connecteur selon l'une des revendications précédentes, ledit au moins un bloc de contacts (2) étant assemblé de manière non- permanente.12. Connector according to one of the preceding claims, said at least one contact block (2) being assembled in a non-permanent manner.
13. Connecteur selon l'une des revendications précédentes, ledit au moins un élément de contact étant une lame conductrice (3, 4).13. Connector according to one of the preceding claims, said at least one contact element being a conductive strip (3, 4).
14. Connecteur selon la revendication précédente, ladite lame conductrice (3, 4) étant formée à partir d'une plaque métallique d'épaisseur sensiblement constante.14. Connector according to the preceding claim, said conductive strip (3, 4) being formed from a metal plate of substantially constant thickness.
15. Connecteur selon l'une des revendications précédentes, comprenant quatre blocs de contacts (2) pour la connexion dudit composant électronique (9) simultanément en plusieurs points de contact disposés sur quatre rangées. 15. Connector according to one of the preceding claims, comprising four contact blocks (2) for the connection of said electronic component (9) simultaneously at several contact points arranged in four rows.
16. Connecteur selon la revendication précédente, lesdits quatre blocs de contacts (2) étant disposés en croix.16. Connector according to the preceding claim, said four contact blocks (2) being arranged in a cross.
17. Bloc de contact (2) pour connecteur selon l'une des revendications 1 à 16, comprenant plusieurs modules parallèles comprenant chacun au moins un élément de contact (3, 4) et un support (20) pour loger au moins partiellement ledit au moins un élément de contact (3, 4).17. Contact block (2) for connector according to one of claims 1 to 16, comprising several parallel modules each comprising at least one contact element (3, 4) and a support (20) for at least partially accommodating said au minus a contact element (3, 4).
18. Bloc de contact (2) selon la revendication précédente, lesdits plusieurs modules étant assemblés de manière non permanente. 18. Contact block (2) according to the preceding claim, said several modules being assembled in a non-permanent manner.
PCT/CH2004/000322 2003-06-11 2004-05-27 Connector WO2004109301A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1042/03 2003-06-11
CH10422003 2003-06-11

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WO2004109301A1 true WO2004109301A1 (en) 2004-12-16

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
JP2017508959A (en) * 2014-02-25 2017-03-30 エクセラ・コーポレーションXcerra Corp. Integrated circuit (IC) test socket using Kelvin bridge

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Publication number Priority date Publication date Assignee Title
JPH05174923A (en) * 1991-12-19 1993-07-13 Enplas Corp Ic socket
JP2001183391A (en) * 1999-12-28 2001-07-06 Daitron Technology Co Ltd Multi-electrode probe device for inspecting semiconductor device
DE10107794A1 (en) * 2001-02-13 2002-08-14 Bos Berlin Oberspree Sondermas Contact device for electronic components, e.g. for testing purposes, has contact elements with contacts arranged on face with intermediate elastic layers
US6529024B2 (en) * 1999-01-19 2003-03-04 Mitsubishi Denki Kabushiki Kaisha Probe stylus
DE10229541A1 (en) * 2002-07-01 2004-01-29 Infineon Technologies Ag Test device for integrated circuit components comprises stack of insulating plates in which contact plates are mounted with contact section, spring section and mounting section from whose underside contacts project

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Publication number Priority date Publication date Assignee Title
JPH05174923A (en) * 1991-12-19 1993-07-13 Enplas Corp Ic socket
US6529024B2 (en) * 1999-01-19 2003-03-04 Mitsubishi Denki Kabushiki Kaisha Probe stylus
JP2001183391A (en) * 1999-12-28 2001-07-06 Daitron Technology Co Ltd Multi-electrode probe device for inspecting semiconductor device
DE10107794A1 (en) * 2001-02-13 2002-08-14 Bos Berlin Oberspree Sondermas Contact device for electronic components, e.g. for testing purposes, has contact elements with contacts arranged on face with intermediate elastic layers
DE10229541A1 (en) * 2002-07-01 2004-01-29 Infineon Technologies Ag Test device for integrated circuit components comprises stack of insulating plates in which contact plates are mounted with contact section, spring section and mounting section from whose underside contacts project

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017508959A (en) * 2014-02-25 2017-03-30 エクセラ・コーポレーションXcerra Corp. Integrated circuit (IC) test socket using Kelvin bridge

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