EP1610415A1 - Microfiche et douille de connexion - Google Patents

Microfiche et douille de connexion Download PDF

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Publication number
EP1610415A1
EP1610415A1 EP05003379A EP05003379A EP1610415A1 EP 1610415 A1 EP1610415 A1 EP 1610415A1 EP 05003379 A EP05003379 A EP 05003379A EP 05003379 A EP05003379 A EP 05003379A EP 1610415 A1 EP1610415 A1 EP 1610415A1
Authority
EP
European Patent Office
Prior art keywords
plug
micro
socket connector
housing
coaxial
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.)
Withdrawn
Application number
EP05003379A
Other languages
German (de)
English (en)
Inventor
Patrick Marcel Duquerroy
Lieven Decrock
Reginald Leeman
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.)
TE Connectivity Germany GmbH
Original Assignee
Tyco Electronics AMP GmbH
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 Tyco Electronics AMP GmbH filed Critical Tyco Electronics AMP GmbH
Priority to EP05003379A priority Critical patent/EP1610415A1/fr
Publication of EP1610415A1 publication Critical patent/EP1610415A1/fr
Withdrawn legal-status Critical Current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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/50—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted on a PCB [Printed Circuit Board]
    • 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
    • H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
    • H01R13/035—Plated dielectric material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles

Definitions

  • the invention relates to a micro-plug and socket connector for mounting on a printed circuit board and for establishing a plug and socket connection with a coaxial plug.
  • the connector comprises an internal conductor configured as a pin contact, a coaxial external conductor, a housing having a fastening surface with soldering portions for mounting on the surface of the printed circuit board, a plug receiving opening with a receiving region connected thereto comprising an inner contact region for receiving and contacting the pin contact, and an outer contact terminal for contacting the coaxial external conductor.
  • a micro-plug and socket connector of this type is used in cases in which a coaxial cable is to be connected to a printed circuit board. Because mobile telephones, for example, are constantly becoming smaller, the size of micro-plug and socket connectors of this type must also be reduced accordingly.
  • DE 100 51 791 A 1 discloses a connector that is configured for use in mobile telephones and comprises a housing with a contact chamber, which is accessible via an opening for plugging in a plug contact.
  • a U-shaped spring clip between the arms of which the plug contact that is plugged into the plug receiving opening is fixed, is located in the contact chamber.
  • the plug contact is not plugged in, the free ends of the two arms abut a metallized, and therefore electrically conductive, projection of the housing.
  • the arms of the spring clip are spread sufficiently far apart that the electric contact between the two arms and the conductive projection is separated.
  • the outer contact terminal and the projection of the housing are in the form of metallized plastic material housing parts.
  • EP 419 938 A2 discloses a surface mountable coaxial plug and socket connector that has a connector housing, which comprises a substantially cube shaped housing part. Two contacts, an inner contact and an outer contact terminal, punched from a metal sheet, are arranged on the connector housing. Both comprise a terminal lug for soldering to a printed circuit board.
  • the present invention provides a micro-plug and socket connector that is particularly easy to produce and may easily be reduced in size.
  • a micro-plug and socket connector according to the invention is indicated in claim 1.
  • Advantageous developments of the micro-plug and socket connector according to the invention are indicated in the dependent claims.
  • the invention provides a micro-plug and socket connector that is suitable for mounting on a printed circuit board and that has a housing comprising a fastening surface with soldering portions for mounting on the surface of the printed circuit board, and comprising a plug receiving opening having an inner contact region for the receiving and contacting a pin contact, and comprising an outer contact terminal.
  • the inner contact region, the outer contact terminal, the soldering portions and the electrically conductive connections provided therebetween are configured in the form of metallized portions of the plastic housing.
  • the housing At a side, remote from the plug receiving opening of the chamber, which is connected to the opening for receiving the complementary pin contact, the housing comprises an electrically conductive stop, which is configured for connection to an electric terminal, such as a printed circuit board, for example.
  • the stop is formed as a metallized inner contact region of the housing.
  • the housing is particularly advantageously produced using what is known as the molded interconnect devices (MID) method, wherein, in a housing injected in one piece in two shots, parts of the surface of the housing (corresponding to one of the shots) may be selectively coated in an electrically conductive manner, while the remaining parts of the surface of the housing remain electrically insulative.
  • MID molded interconnect devices
  • the micro-plug and socket connector is configured as a coaxial connector, in the case of a plug and socket connection to a coaxial plug, which comprises an internal conductor configured as a pin contact and an external conductor coaxial therewith.
  • the housing of the micro-plug and socket connector is provided with an electrically conductive outer region, which is configured such that said region, on the one hand, when the coaxial plug is plugged into the micro-plug and socket connector, contacts the external conductor of the coaxial plug and, on the other hand, when the micro-plug and socket connector is mounted on a printed circuit board, contacts a strip conductor of the printed circuit board.
  • the electrically conductive stop and the electrically conductive outer region of the housing are electrically separated from each other by an insulating zone of the housing.
  • the outer side of the housing is provided with a latching device for latching with a complementary latching device of a coaxial plug.
  • a stable plug and socket connection may thus be produced between both connector components.
  • the external height dimension and external side dimensions of the micro-plug and socket connector are approximately 1 to 5 mm. In one practical embodiment, these dimensions are approximately 3 mm.
  • the micro-plug and socket connector is shown on a greatly enlarged scale (approx. 20:1).
  • the housing of the micro-plug and socket connector is substantially in the shape of a cylinder having a height of less than 2 mm and a diameter of approximately 3 mm.
  • Fig. 1 shows an oblique view from above of an embodiment of a micro-plug and socket connector 1 according to the invention comprising a housing 2 that is provided on a ceiling wall, which in Fig. 1 is located at the top, with a plug receiving opening 3 for plugging in a pin contact (not shown in the drawings) of a coaxial plug.
  • a cylindrical receiving region 4 for receiving the contact pin is connected to the plug receiving opening 3.
  • the plug receiving opening 3 is bevelled, in order to facilitate the insertion of a pin contact.
  • the housing 2 is substantially cylindrical.
  • the side wall 5 is provided with latching projections 6, 7, which may cooperate with a complementary latching device of a mating plug, in order to hold the two connectors together in a plug and socket connection with latching.
  • the housing 2 comprises soldering portions 8 provided for soldering to a substrate.
  • the housing 2 is produced using what is known as the molded interconnect devices (MID) method.
  • MID molded interconnect devices
  • the housing 2 is injected from two different plastic materials, which behave differently with respect to the metallization of their surfaces by means of plating.
  • the surface of one of the plastics can be plated in a single plating process, whereas the surface of the other plastic does not accept any metal. Selective plating on the desired surface parts of the housing 2 may thus be achieved in a single plating process.
  • Fig. 2 shows a view from below of the micro-plug and socket connector 1.
  • Fig. 2 also contains a view from below of a fifth soldering portion 9, which is arranged below the plug receiving opening 3 and the receiving region 4.
  • Fig. 3 shows a view from above of the micro-plug and socket connector shown in Fig. 1.
  • the stop 10, which is the inner contact region, may be seen through the plug receiving opening 3 in the receiving region 4.
  • Fig. 4 shows an oblique view from below of the embodiment of the micro-plug and socket connector 1 shown in Fig. 1.
  • Fig. 5 shows a cross section taken along the line A-A in Fig. 3.
  • the parts of the housing 2 that are constructed using a plastic material 11 that may be metallized by means of plating on its surface are marked with cross hatching, whereas the parts of the housing that are constructed using a plastic material 12 that may not be metallized by means of plating on its surface are marked with hatching running downward from right to left.
  • the surface of the housing 2 is electrically conductive
  • the surface of the housing 2 is electrically insulative.
  • the housing 2 comprises a receiving region 4, which is accessible via a plug receiving opening 3 for plugging in a pin contact (not shown).
  • the plug receiving opening 3 is bevelled at its periphery, in order to form an insertion funnel 13, which makes the pin contact easier to plug in.
  • the micro-plug and socket connector cooperates with a coaxial plug contact, which is connected to a coaxial cable.
  • An internal conductor of the coaxial cable is connected to the plug contact, which may be plugged into the receiving region 4.
  • An external conductor of the coaxial cable is connected to an electrically conductive sleeve that coaxially surrounds the plug contact.
  • the external conductor When the plug contact is completely plugged in, the external conductor abuts an electrically conductive external conductor surface 14, which coaxially surrounds the plug receiving opening 3 on the surface at the top of the housing 2 shown in Fig. 5.
  • the external conductor contact surface 14 is electrically connected to the four soldering portions 8.
  • This connection is produced via electrically conductive metallization of the plastic material 11.
  • the external conductor contact surface 14 is electrically separated from the electrically conductive stop 9 and the soldering portion 10 by the insulating zone 15, which is formed by a part of the non-metallized plastic material 12.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
EP05003379A 2004-03-02 2005-02-17 Microfiche et douille de connexion Withdrawn EP1610415A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05003379A EP1610415A1 (fr) 2004-03-02 2005-02-17 Microfiche et douille de connexion

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP04004887 2004-03-02
EP04004887 2004-03-02
EP05003379A EP1610415A1 (fr) 2004-03-02 2005-02-17 Microfiche et douille de connexion

Publications (1)

Publication Number Publication Date
EP1610415A1 true EP1610415A1 (fr) 2005-12-28

Family

ID=35427113

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05003379A Withdrawn EP1610415A1 (fr) 2004-03-02 2005-02-17 Microfiche et douille de connexion

Country Status (1)

Country Link
EP (1) EP1610415A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0301863A2 (fr) * 1987-07-31 1989-02-01 Texas Instruments Incorporated Syatème de connexion par alvéole
US5145382A (en) * 1991-11-29 1992-09-08 Motorola, Inc. Molded plastic surface-mountable coaxial connector
US6086383A (en) * 1996-10-25 2000-07-11 International Business Machines Corporation Coaxial interconnect devices and methods of making the same
DE10051791A1 (de) * 2000-10-18 2002-05-16 Ims Connector Systems Gmbh Steckverbinder mit Schalter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0301863A2 (fr) * 1987-07-31 1989-02-01 Texas Instruments Incorporated Syatème de connexion par alvéole
US5145382A (en) * 1991-11-29 1992-09-08 Motorola, Inc. Molded plastic surface-mountable coaxial connector
US6086383A (en) * 1996-10-25 2000-07-11 International Business Machines Corporation Coaxial interconnect devices and methods of making the same
DE10051791A1 (de) * 2000-10-18 2002-05-16 Ims Connector Systems Gmbh Steckverbinder mit Schalter

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