EP0172090A1 - Kleinstverbinder mit hoher Kontaktdichte - Google Patents

Kleinstverbinder mit hoher Kontaktdichte Download PDF

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Publication number
EP0172090A1
EP0172090A1 EP85401522A EP85401522A EP0172090A1 EP 0172090 A1 EP0172090 A1 EP 0172090A1 EP 85401522 A EP85401522 A EP 85401522A EP 85401522 A EP85401522 A EP 85401522A EP 0172090 A1 EP0172090 A1 EP 0172090A1
Authority
EP
European Patent Office
Prior art keywords
support
face
wires
microconnector
electrodes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP85401522A
Other languages
English (en)
French (fr)
Other versions
EP0172090B1 (de
Inventor
Bruno Millon-Fremillon
Gérard Nicolas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of EP0172090A1 publication Critical patent/EP0172090A1/de
Application granted granted Critical
Publication of EP0172090B1 publication Critical patent/EP0172090B1/de
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/714—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit with contacts abutting directly the printed circuit; Button contacts therefore provided on the printed circuit

Definitions

  • the present invention relates to a high contact density microconnector. It applies in particular to low temperature electrical connections as well as in the field of electronics or microelectronics, to connections of high density miniaturized circuits.
  • the connectors known in the prior art making it possible to establish contacts between electrical conductors and other electrical conductors, have the following drawbacks: they only make it possible to obtain a low density of contacts between the conductors, at best a few dozen contacts separated from each other by a distance of the order of 1 mm, occupy a large volume, have a generally complicated structure with moving parts and a fairly large mass, and are therefore unsuitable for use in a cryogenic environment and in a reduced space.
  • the object of the present invention is to remedy the above drawbacks.
  • microconnector which is the subject of the invention makes it possible to obtain a high density of contacts.
  • This microconnector has few parts and requires no moving parts. It is therefore very reliable, easy to use and inexpensive. In addition, it can be made so as to be very light and compact and is thus suitable for use in a cryogenic environment and in a confined area. Finally, given its reduced number of parts, this microconnector can be easily used in vacuum because it is only subject to low degassing.
  • the wires are made of an alloy of copper and beryllium.
  • Such wires are commercially available and can be used as is, with a possible curvature near one of their ends. This therefore eliminates any intermediate contact part, preformed and prefabricated, the wires themselves serving to make the contacts and improving them, due to their flexibility and elasticity.
  • the pinching means can be made in beryllium bronze.
  • the wires are made rigidly secured to one another by an electrically insulating part, fixed to the pinching means and thermally insulated from it.
  • the clamping means is provided with at least one bore intended for the passage of a fixing screw of the support by the clamping means.
  • the microconnector schematically shown in the drawing is intended to connect electrodes 2 present on one face of an electrically insulating support 4, to electrical conductors 6, the number of which is equal to the number of electrodes.
  • the electrodes 2 may be parallel to each other and regularly spaced from one another on the support 4 which is for example constituted by a glass plate.
  • the conductors 6 can be part of a flexible circuit of known type 8 comprising said conductors arranged parallel to one another between two sheets of plastic material.
  • the microconnector schematically represented in the drawing comprises a means 10 for elastic clamping of the support 4, and wires 12 made of an alloy of copper and beryllium and made rigidly integral with each other by an electrically insulating part 14, fixed on the pinch means 10 and thermally insulated therefrom.
  • This part 14 can be produced by molding a plastic material directly around the wires 12.
  • the part 14 can also be constituted by a plastic bar provided with transverse grooves, not shown, in which are respectively immobilized. the wires 12, by gluing for example.
  • the wires 12 are immobilized by means of the part 14 so that each of them can come into contact with an electrode 2 and only one. When the electrodes are parallel, the wires can be placed parallel to each other.
  • the pinching means 10 is produced in a material having a good coefficient of elasticity at low temperature, for example beryllium bronze. It is machined in the mass, using a digital wire cutting machine.
  • the thickness of the pinching means 10 can be of the order of 0.3 mm.
  • the interval which exists between the first face 16 and the fifth face 24 is intended to receive the support 4.
  • the part 14 is fixed to the face 20 by means of a layer of thermally insulating glue 28, the glue being, for example, of the type that is sold under the brand CAF or ECOBON.
  • the attachment of the part 14 on the face 20 is such that the wires 12 extend in the direction of the face 16 so that they can be applied, by their ends, against the electrodes 2 when the face of the support 4 which does not carry the electrodes 2 is in position against the face 16.
  • the dimensions of the clamping means 10 and of the part 14 are a function of the number of wires 12, the pitch of these and the thickness of the support 4.
  • the dihedral formed by the faces 18 and 20 determines the bearing force of the wires 12 on the electrodes 2 and therefore The gripping force of the gripping means 10.
  • the face 26 serves as a positioning stop for the assembly formed by the means pinch 10, part 14 and faces 12.
  • microconnector whose weight does not exceed 0.5 g and whose volume is of the order of 0.5 to 0.6 cm 3 , this microconnector being provided with 37 connection wires 12, the diameter is around 100 ⁇ m and the pitch is around 400 ⁇ m.
  • the positioning of the support 4 in the microconnector is carried out in the following manner: the support 4 is first slid between the wires 12 and the face 16, the wires 12 being parallel to the support 4 in this first step; appropriate transverse translations of the gripping means 10 are carried out so as to suitably position the wires 12 opposite the electrodes 2, which is moreover possible without a binocular magnifier; the gripping means 10 are rotated about an axis perpendicular to the direction of the wires 12, the support 4, during this step, coming into contact with the first face 16, the elastic wires 12 then exerting their pressure on the electrodes 2; finally, the support 4 is moved in translation so as to abut against the face 26. The support 4 is thus pinched between the elastic wires 12 and the face 16.
  • the ends of the wires 12 which are in contact with these electrodes can be bent in a direction which moves them away from them so as not to damage said electrodes.
  • the other ends of the wires 12 protrude from the part 14 and are respectively connected to the conductors 6.
  • the electrical connection between the wires and the conductors can be carried out in the manner following: one of the plastic sheets is removed over a certain length from the end of the circuit 8, which reveals the ends of the conductors 6, and the wires 12 are then respectively welded to the conductors 6 by a solder Sn / Pb for example.
  • the support 4 can be locked in the microconnector. This can be achieved by providing corresponding openings 29 and 30, respectively in the faces 18 and 26 of the clamping means 10, so as to be able to immobilize the support 4 relative to the microconnector, using a screw 32 which is screwed into the support 4 passing through the openings 29 and 30 and the head of which bears against the face 18 of the gripping means. If the tightening must be significant, so as not to crush the face 18 of the clamping means 10 when tightening the screw 32, a tubular spacer 34 is provided between the openings 29 and 30 and traversed by the screw.
  • the part 14 is omitted and the wires 12 are directly embedded in a layer of electrically and thermally insulating adhesive placed on the face 20 of the gripping means 10.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Micromachines (AREA)
  • Particle Accelerators (AREA)
EP85401522A 1984-07-27 1985-07-23 Kleinstverbinder mit hoher Kontaktdichte Expired EP0172090B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8411985 1984-07-27
FR8411985A FR2568419B1 (fr) 1984-07-27 1984-07-27 Microconnecteur a haute densite de contacts.

Publications (2)

Publication Number Publication Date
EP0172090A1 true EP0172090A1 (de) 1986-02-19
EP0172090B1 EP0172090B1 (de) 1989-01-04

Family

ID=9306573

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85401522A Expired EP0172090B1 (de) 1984-07-27 1985-07-23 Kleinstverbinder mit hoher Kontaktdichte

Country Status (5)

Country Link
US (1) US4671593A (de)
EP (1) EP0172090B1 (de)
JP (1) JPS6193568A (de)
DE (1) DE3567323D1 (de)
FR (1) FR2568419B1 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173652A (en) * 1985-04-10 1986-10-15 Itt Surface mountable connector
EP0249441A2 (de) * 1986-06-10 1987-12-16 Positronic Industries, Inc. Befestigter Steckverbinder zum Herstellen elektrischer Verbindungen mit oberflächenhaft montierter Leiterplatte
EP0272707A2 (de) * 1986-12-22 1988-06-29 Teikoku Tsushin Kogyo Co. Ltd. Anordnung von End-Verbindern an flexiblen gedruckten Schaltungen
EP0280449A2 (de) * 1987-02-26 1988-08-31 Molex Incorporated An der Oberfläche montierbarer elektrischer Stecker
FR2621697A1 (fr) * 1987-10-13 1989-04-14 Thomson Csf Palpeur pour tester les circuits imprimes et testeur de circuits imprimes comportant au moins deux tels palpeurs
FR2627639A1 (fr) * 1988-02-19 1989-08-25 Thomson Csf Dispositif de fixation de connexions notamment applicable a la connectique haute densite
FR2632477A1 (fr) * 1988-06-07 1989-12-08 Thomson Csf Connecteur actif pour carte de circuits imprimes
CN1973412B (zh) * 2004-03-17 2011-07-06 夸利陶公司 用于半导体器件测试夹具和测试组件的电连接器

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4836797A (en) * 1986-12-16 1989-06-06 Sym-Tek Systems, Inc. Electrical device contactor
FR2820202B1 (fr) * 2001-01-31 2004-06-04 Snecma Moteurs Capteur de pression et moteur de fusee l'incorporant
FR2861930B1 (fr) 2003-11-05 2006-02-03 Dassault Aviat Dispositif d'echange d'informations
JP5149942B2 (ja) * 2010-07-21 2013-02-20 ヤマハ発動機株式会社 ヘッド駆動装置および部品実装装置
US9478896B2 (en) 2011-12-22 2016-10-25 Rolls-Royce Plc Electrical connectors
GB2498006B (en) 2011-12-22 2014-07-09 Rolls Royce Plc Gas turbine engine systems
GB2497809B (en) 2011-12-22 2014-03-12 Rolls Royce Plc Method of servicing a gas turbine engine
GB2497807B (en) 2011-12-22 2014-09-10 Rolls Royce Plc Electrical harness
DE102012204999A1 (de) * 2012-03-28 2013-10-02 Robert Bosch Gmbh Steckverbindung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE677995A (de) * 1965-03-19 1966-09-19
US3638033A (en) * 1970-05-11 1972-01-25 Sylvania Electric Prod Display device and electrical conductors therefor
US3663925A (en) * 1970-05-20 1972-05-16 Us Navy Electrical connector
FR2204941A1 (de) * 1972-10-31 1974-05-24 Fiat Spa
FR2475809A1 (fr) * 1980-02-07 1981-08-14 Socapex Barrette de connexion pour carte enfichable, et connecteur muni de telles barrettes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3629787A (en) * 1970-06-19 1971-12-21 Bell Telephone Labor Inc Connector for flexible circuitry
US4072387A (en) * 1976-02-20 1978-02-07 Spectra-Strip Corporation Multiple conductor connector unit and cable assembly
US4019798A (en) * 1976-03-24 1977-04-26 Owens-Illinois, Inc. Flexible electrical circuit connections
US4477137A (en) * 1982-08-23 1984-10-16 Allied Corporation Zero insertion force connector for flat cable

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE677995A (de) * 1965-03-19 1966-09-19
US3638033A (en) * 1970-05-11 1972-01-25 Sylvania Electric Prod Display device and electrical conductors therefor
US3663925A (en) * 1970-05-20 1972-05-16 Us Navy Electrical connector
FR2204941A1 (de) * 1972-10-31 1974-05-24 Fiat Spa
FR2475809A1 (fr) * 1980-02-07 1981-08-14 Socapex Barrette de connexion pour carte enfichable, et connecteur muni de telles barrettes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MACHINE DESIGN, vol. 54, no. 11, mai 1982, pages 255-277, Cleveland, Ohio, US; "Section 8 Interconnections" *

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173652A (en) * 1985-04-10 1986-10-15 Itt Surface mountable connector
GB2173652B (en) * 1985-04-10 1989-05-04 Itt Surface mountable connector
EP0249441A3 (de) * 1986-06-10 1989-10-18 Positronic Industries, Inc. Befestigter Steckverbinder zum Herstellen elektrischer Verbindungen mit oberflächenhaft montierter Leiterplatte
EP0249441A2 (de) * 1986-06-10 1987-12-16 Positronic Industries, Inc. Befestigter Steckverbinder zum Herstellen elektrischer Verbindungen mit oberflächenhaft montierter Leiterplatte
EP0272707A2 (de) * 1986-12-22 1988-06-29 Teikoku Tsushin Kogyo Co. Ltd. Anordnung von End-Verbindern an flexiblen gedruckten Schaltungen
EP0272707A3 (en) * 1986-12-22 1989-10-18 Teikoku Tsushin Kogyo Co. Ltd. Flexible printed circuit board terminal structure
EP0280449A3 (en) * 1987-02-26 1989-11-29 Molex Incorporated Surface mount electrical connector
EP0280449A2 (de) * 1987-02-26 1988-08-31 Molex Incorporated An der Oberfläche montierbarer elektrischer Stecker
FR2621697A1 (fr) * 1987-10-13 1989-04-14 Thomson Csf Palpeur pour tester les circuits imprimes et testeur de circuits imprimes comportant au moins deux tels palpeurs
FR2627639A1 (fr) * 1988-02-19 1989-08-25 Thomson Csf Dispositif de fixation de connexions notamment applicable a la connectique haute densite
FR2632477A1 (fr) * 1988-06-07 1989-12-08 Thomson Csf Connecteur actif pour carte de circuits imprimes
EP0346206A1 (de) * 1988-06-07 1989-12-13 Thomson-Csf Aktiver Verbinder für Leiterplatten
CN1973412B (zh) * 2004-03-17 2011-07-06 夸利陶公司 用于半导体器件测试夹具和测试组件的电连接器

Also Published As

Publication number Publication date
EP0172090B1 (de) 1989-01-04
FR2568419A1 (fr) 1986-01-31
DE3567323D1 (en) 1989-02-09
JPS6193568A (ja) 1986-05-12
FR2568419B1 (fr) 1986-09-05
US4671593A (en) 1987-06-09

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