EP0047469A2 - Einsteckkontakt für ein metallisiertes Loch einer gedruckten Schaltungskarte und Verfahren zum Einstecken dieses Kontakts - Google Patents

Einsteckkontakt für ein metallisiertes Loch einer gedruckten Schaltungskarte und Verfahren zum Einstecken dieses Kontakts Download PDF

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Publication number
EP0047469A2
EP0047469A2 EP81106821A EP81106821A EP0047469A2 EP 0047469 A2 EP0047469 A2 EP 0047469A2 EP 81106821 A EP81106821 A EP 81106821A EP 81106821 A EP81106821 A EP 81106821A EP 0047469 A2 EP0047469 A2 EP 0047469A2
Authority
EP
European Patent Office
Prior art keywords
contact
hole
helical structure
circuit board
printed circuit
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
EP81106821A
Other languages
English (en)
French (fr)
Other versions
EP0047469A3 (en
EP0047469B1 (de
Inventor
Harry Züst
Sigi Bürgi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT81106821T priority Critical patent/ATE16660T1/de
Publication of EP0047469A2 publication Critical patent/EP0047469A2/de
Publication of EP0047469A3 publication Critical patent/EP0047469A3/fr
Application granted granted Critical
Publication of EP0047469B1 publication Critical patent/EP0047469B1/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
    • H01R12/50—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
    • H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/49147—Assembling terminal to base
    • Y10T29/49151—Assembling terminal to base by deforming or shaping
    • Y10T29/49153—Assembling terminal to base by deforming or shaping with shaping or forcing terminal into base aperture

Definitions

  • the present invention relates to a contact insertable into a metallized hole of a printed circuit board, as well as to methods of manufacturing and inserting this contact into the metallized hole.
  • Contacts which can be inserted by force into the metallized holes of a printed circuit board are widely used today for making solderless connections. They generally have a first end intended to pass through the hole and protrude beyond one of the faces of the card when the contact is in the insertion position, and a second end intended to protrude beyond on the other side of the card. These two ends are connected by a middle part whose function is to simultaneously ensure the electrical connection of the contact with the metallized interior surface of the hole, and its mechanical retention in the hole.
  • the invention relates more particularly to the middle part of these contacts, whose configurations known up to now can be classified according to two distinct groups.
  • a certain number of contacts have a prismatic, non-deformable middle part, with rectangular or square section.
  • the edges of the middle part which extend parallel to the longitudinal axis of the contact or to its direction of insertion into the hole, become embedded in the wall of the covering. inside the hole, thus forming gas-tight connections which slow down corrosion phenomena at the level of the contact surfaces.
  • these contacts have a number of disadvantages.
  • the large forces which develop in the axial direction can cause the tearing of the internal coating, or of the intermediate conductive layers in the case of the use of circuits. multilayer.
  • the axial retention of the contact which is effected only by friction of the contact on the coating, will be poor and may still deteriorate under the action of mechanical stresses ( vibrations, axial forces exerted on either end of the contact) or thermal. It can therefore be seen that the use of this type of contact implies compliance with very strict dimensional tolerances on the opening of the printed circuit, which are difficult to obtain by electroplating techniques.
  • the object of the invention is to provide an insertable contact which ensures both excellent mechanical strength and very satisfactory gas tightness and which does not have any of the disadvantages of known contacts while allowing a relaxation of tolerances. dimensions attached to the metallized hole of the printed circuit board.
  • the contact comprises a first end 1, of generally square section, intended to project beyond one of the faces of a printed circuit board so that it can receive an electric wire secured by means of a wound connection.
  • the second end 2 not shown in the drawing is intended to project from the other face of the printed card and facilitate the connection of a secondary printed card, an electric wire or any other device.
  • the ends 1 and 2 are connected by a middle part 3 which has a helical structure.
  • the section of the middle part 3 is polygonal, preferably rectangular (FIG. 5) or square, and its vertices define the edges 4 of the helical structure.
  • the angle of rotation of the propeller is preferably 90 ° , that is to say that the pitch of the propeller corresponds to the length of the middle part.
  • FIG. 4 represents the contact in the insertion position in a hole 5 of a printed circuit board 6, internally covered with a conductive coating 7.
  • a shoulder 8 having at least two flat surfaces 9, 10 perpendicular to the axis longitudinal 11 of the contact is provided at the junction of the middle part 3 and the second end 2, to come to bear against the upper face of the printed circuit in contact insertion position.
  • the contact is best implemented by simply exerting on its second end 2 a longitudinal thrust towards its end 1, and maintaining the free contact in rotation during at least the phase of penetration of the middle part into the hole. The contact therefore penetrates by turning into the wall of the coating 7.
  • the surfaces 9 and 10 then make it possible to fix the axial position and consequently the angular orientation of the contact in the insertion position.
  • these same surfaces 9 and 10 allow the forces applied to the end 1 to be transferred directly to the upper face of the card 6 during a connection operation by winding, in particular if the pitch of the helical structure is of the type on the left, while the winding connection is generally made clockwise.
  • a groove 11 is produced at the junction of the surfaces 9, 10 and the central part 3 to avoid any positioning defect caused by irregularities in the covering 7 at the entrance to the hole 5.
  • the length of the middle part 3 corresponds to the greatest depth of the holes capable of receiving it.
  • the length of the diagonals of the section of this middle part must be slightly greater than the average diameter of the opening defined by the walls of the covering 7.
  • Figure 6 shows as an example a series of contacts in progress Manufacturing.
  • the cutting, bending and forming operations are carried out using a metal strip 12, for example made of phosphor-bronze or tin-bronze, the individual contacts of which can only be separated along a line X by the end user. contacts, before insertion into printed circuit boards.
  • the contacts shown in this figure, like that of Figure 7, have a second end 2 forming an elastic fork 13 provided for the connection of printed cards for example.
  • the contact of Figure 8 has a second end also forming a connection terminal by winding, for example to make a connector for flat cables.
  • the coating of the various zones of these contacts can be obtained by the usual techniques.
  • the manufacturing operations advantageously provide for a step during which a twist of 90 ° is applied to one of the ends of the contact relative to the other, around the longitudinal axis contact, so as to give the middle part the desired helical configuration.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
EP81106821A 1980-09-05 1981-09-01 Einsteckkontakt für ein metallisiertes Loch einer gedruckten Schaltungskarte und Verfahren zum Einstecken dieses Kontakts Expired EP0047469B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81106821T ATE16660T1 (de) 1980-09-05 1981-09-01 Einsteckkontakt fuer ein metallisiertes loch einer gedruckten schaltungskarte und verfahren zum einstecken dieses kontakts.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH667980A CH642488A5 (fr) 1980-09-05 1980-09-05 Contact inserable dans un trou metallise d'une carte de circuit imprime, procede de fabrication et utilisation de ce contact.
CH6679/80 1980-09-05

Publications (3)

Publication Number Publication Date
EP0047469A2 true EP0047469A2 (de) 1982-03-17
EP0047469A3 EP0047469A3 (en) 1982-03-24
EP0047469B1 EP0047469B1 (de) 1985-11-21

Family

ID=4313323

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81106821A Expired EP0047469B1 (de) 1980-09-05 1981-09-01 Einsteckkontakt für ein metallisiertes Loch einer gedruckten Schaltungskarte und Verfahren zum Einstecken dieses Kontakts

Country Status (7)

Country Link
US (1) US4557539A (de)
EP (1) EP0047469B1 (de)
JP (1) JPS57118697A (de)
AT (1) ATE16660T1 (de)
CA (1) CA1189924A (de)
CH (1) CH642488A5 (de)
DE (1) DE3173001D1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4691979A (en) * 1983-08-04 1987-09-08 Manda R & D Compliant press-fit electrical contact
EP0627797A1 (de) * 1993-06-04 1994-12-07 Framatome Connectors International Herstellungsverfahren für Kontaktstifte
CN101399412B (zh) * 2007-09-18 2013-01-02 星电株式会社 电连接器

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS625575A (ja) * 1985-07-02 1987-01-12 ヒロセ電機株式会社 電気接触ピン
US4878861A (en) * 1988-11-01 1989-11-07 Elfab Corporation Compliant electrical connector pin
US6216338B1 (en) 1997-11-25 2001-04-17 Micron Electronics, Inc. Header pin pre-load apparatus
US6035529A (en) * 1997-11-25 2000-03-14 Micron Electronics, Inc. Header pin pre-loaded method
DE102004006533A1 (de) * 2004-02-11 2005-09-01 Conti Temic Microelectronic Gmbh Elektrisch leitfähiger Kontaktstift zum Einpressen in eine Öffnung einer Leiterplatte sowie elektrische Baugruppe mit einem solchen Kontaktstift
US7377823B2 (en) * 2005-05-23 2008-05-27 J.S.T. Corporation Press-fit pin
US7249981B2 (en) * 2005-07-08 2007-07-31 J.S.T. Corporation Press-fit pin
JP2008053091A (ja) * 2006-08-25 2008-03-06 Honda Tsushin Kogyo Co Ltd プレスフィットコンタクト
TWI534432B (zh) * 2010-09-07 2016-05-21 瓊斯科技國際公司 用於微電路測試器之電氣傳導針腳
EP2854228B1 (de) * 2013-09-27 2021-02-17 TE Connectivity Germany GmbH Elektrische Anschlussklemme und Verfahren zum Heften einer elektrischen Anschlussklemme in ein Substratmaterial
US9595782B2 (en) 2015-08-05 2017-03-14 Te Connectivity Corporation Pin with angled retention member
JP7027932B2 (ja) * 2018-02-14 2022-03-02 住友電装株式会社 プレスフィット端子

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191422660A (en) * 1914-11-17 1915-07-15 Joseph James Mallin An Improved Machine for Rolling Round Metal Bars.
DE690455C (de) * 1936-11-26 1940-04-25 Siemens Schuckertwerke Akt Ges Verbindung von Teilen
US2262499A (en) * 1940-07-19 1941-11-11 Robert Alexander Hunerwadel Fence nail
US2450361A (en) * 1945-04-07 1948-09-28 Richard T Scholes Spike fastening means for railway tracks
US2998590A (en) * 1957-02-11 1961-08-29 Bell Telephone Labor Inc Electrical connection and tool and method of making same
US2946039A (en) * 1957-11-06 1960-07-19 Durakool Inc Electrical terminal
GB863628A (en) * 1958-09-23 1961-03-22 Pye Ltd Improvements in or relating to screw devices
FR1271676A (fr) * 1960-08-04 1961-09-15 Csf Perfectionnements aux traversées de corps isolants
US3124408A (en) * 1962-02-13 1964-03-10 Gen Am Transport Screw fasteners and terminal boards incorporating the same
US3252204A (en) * 1962-12-19 1966-05-24 Gen Motors Corp Method of mounting a connector member to a support member
US3348191A (en) * 1964-03-05 1967-10-17 Amp Inc Electrical connector elements
FR1571248A (de) * 1967-09-21 1969-06-13
US3580297A (en) * 1968-09-18 1971-05-25 Litton Precision Prod Inc Device for twisting and aligning terminal posts of an electrical connector
US3660726A (en) * 1970-10-12 1972-05-02 Elfab Corp Multi-layer printed circuit board and method of manufacture
US3731261A (en) * 1972-03-24 1973-05-01 Litton Systems Inc Electrical connector with twisted posts
US4147397A (en) * 1972-03-28 1979-04-03 Sealectro Corporation Electrical assembly in combination with printed circuit board
US4186982A (en) * 1973-08-01 1980-02-05 Amp Incorporated Contact with split portion for engagement with substrate
US3923365A (en) * 1974-11-05 1975-12-02 Amp Inc Press fitted terminal post
DE2508532A1 (de) * 1975-02-25 1976-08-26 Siemens Ag Drahtwickelverfahren
US4325657A (en) * 1979-12-05 1982-04-20 Elders G W Roof support pin

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4691979A (en) * 1983-08-04 1987-09-08 Manda R & D Compliant press-fit electrical contact
EP0627797A1 (de) * 1993-06-04 1994-12-07 Framatome Connectors International Herstellungsverfahren für Kontaktstifte
NL9300970A (nl) * 1993-06-04 1995-01-02 Framatome Connectors Belgium Werkwijze voor het vervaardigen van contactpennen.
CN101399412B (zh) * 2007-09-18 2013-01-02 星电株式会社 电连接器

Also Published As

Publication number Publication date
DE3173001D1 (en) 1986-01-02
JPS57118697A (en) 1982-07-23
CA1189924A (en) 1985-07-02
US4557539A (en) 1985-12-10
ATE16660T1 (de) 1985-12-15
EP0047469A3 (en) 1982-03-24
CH642488A5 (fr) 1984-04-13
EP0047469B1 (de) 1985-11-21

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