US3852878A - Coil wound elastomer connector - Google Patents

Coil wound elastomer connector Download PDF

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Publication number
US3852878A
US3852878A US00320030A US32003073A US3852878A US 3852878 A US3852878 A US 3852878A US 00320030 A US00320030 A US 00320030A US 32003073 A US32003073 A US 32003073A US 3852878 A US3852878 A US 3852878A
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United States
Prior art keywords
coil
elastomer
wound
spaced
wire
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.)
Expired - Lifetime
Application number
US00320030A
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English (en)
Inventor
G Munro
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 Corp
Original Assignee
AMP Inc
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Filing date
Publication date
Application filed by AMP Inc filed Critical AMP Inc
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Publication of US3852878A publication Critical patent/US3852878A/en
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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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/33—Contact members made of resilient wire
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/007—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for elastomeric connecting elements
    • 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
    • Y10T29/49204—Contact or terminal manufacturing
    • Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
    • Y10T29/4921—Contact or terminal manufacturing by assembling plural parts with bonding
    • Y10T29/49211—Contact or terminal manufacturing by assembling plural parts with bonding of fused material
    • 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
    • Y10T29/49204—Contact or terminal manufacturing
    • Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
    • Y10T29/4922—Contact or terminal manufacturing by assembling plural parts with molding of insulation

Definitions

  • the invention concerns a method of making a connector body comprising a multiplicity of spaced resilient conductive springs disposed within a matrix of elastomeric insulating material defining a body having spaced surface parts between which the springs extend in non-rectilinear paths and at which ends of the springs are exposed.
  • a connector body comprising a multiplicity of spaced resilient conductive springs disposed within a matrix of elastomeric insulating material defining a body having spaced surface parts between which the springs extend in non-rectilinear paths and at which ends of the springs are exposed.
  • at least one wire is wound into a coil of spaced turns and the coil is potted in a mass of elastomer.
  • the resulting body is cut through the coil turns to present the.
  • the wire may be wound with elastomer strip or sheet spacing andthe composite coil then cured to form a bond between contiguous elastomer surfaces anddefine a coherent matrix.
  • the elastomer may be injection or vacuum molded in the fluent state.
  • connectors comprise metal contact portions of interfitting male and female forms each having means for connection to a wire and being releasably mountable in an insulating housing.
  • the housing may contain several contacts arranged for respective connection with complementary contacts in a second housing.
  • the contact material comprises amass of fine metallic or conductive particles suspended in the elastomer matrix such that on subjection to pressure, particles are urged .into contact along pressure 'linesto define conductive paths.
  • the present invention concerns a different form of material comprising abody of elastomeric insulating matrix containing a plurality of spaced resilient conductors extending between spaced surface parts of the body through non-rectilinear paths.
  • a material is disclosed in German Offenlegenschrift 2,-1 l9,'567 published Nov. 25, 1971.
  • a method of manufacturing such a connector material comprises winding a metal wire in ajcoil of axially spaced turns, potting the coil in a mass of elastomeric insulating material, cutting the resulting body throughthe turns of the coil to present a'bodyportion with cut surface parts at which are exposed a multiplicity of respective ends of segments of the coil turns.
  • the wire is-suitably of metal having-good spring characteristics as well as electrical performance and resistance to degradation, for example phosphor bronz'e or brassQThe 'wireshouldbe fine in relation to the contact areas with which it is to be used so that within a contact area a large number of contact points are exposed.
  • the coil may be wound in an appropriate shape to give the desired spring form to the wire segments, for examplethe segments may bearcuate with a-coil of circular section or chevron shaped from a coil or polygonal cross-section.
  • the coil maybe wound from pre-insulated wire.
  • the insulation may for example be of varnish type in order to maintain a thin coating and allow close spacing of adjacent wire turns or a slippery insulating material such as polytetrafluorethylene to facilitate relative movement between adjacent segments in a cut body portion, and between the wire segments and their surrounding insulation.
  • the invention includes a body of contact material prepared by the above method and comprising a matrix of elastomeric insulating material containing a mass of segmental resilient conductors in spaced insulated rela tionship extending between spaced surface parts of the body.
  • each wire segment is contained within an individual sheath or coating of a fine insulating material and the mass of insulated wires is potted within the elastomeric matrix of a second insulating material.
  • FIG. 1 is a perspective view of a circular section coil of wire potted in a block of elastomeric insulating material
  • FIG. 2 is a perspective view of a connector portion cut from the potted coilof FIG. 1;
  • FIG. 3 is'an end view of an alternative connector portion cut from the potted coil of FIG. 1;
  • FIG. 4 is an endview of a connector portion cut from a potted coil similar to that of FIG. 1; but containing a coil of polygonal section;
  • FIG. 5 is a fragmentary-section of a connector portion similar to that of FIG. 1 and containing a coil of relatively thickly insulated wire;
  • FIG. 6 is a fragmentary view of part of a contact surface of a coil wound connector portion having discrete contact zones
  • FIG. 7 is a perspective view of a coil being wound .according to one method
  • FIG. 8 is a fragmentary section taken on the line 8-8 of FIG. 7;
  • FIG. 9 is a perspective view of a coil being wound,ac-. cording to a second method.
  • FIG. 10 is a section taken on the line l0-10 of FIG. 9;
  • FIG. 11 is a perspective view of a coil according to a third method
  • FIG. 12 is a fragmentary section taken on line 12-12 of FIG. 11; v
  • FIGS. 13 and 14 are fragmentary sections similar to that of FIG. 12 of coils wound according to fourth and fifth methods;
  • FIG. 15 is a perspective view of in a polygonal cross-section
  • FIG. 16 is 'a fragmentary section similar to those of FIGS. vl2 to 14 of a coil wound according to a sixth method; i
  • FIG. 17 is a fragmentary sectional view of a coil being wound on 'a former to define discrete contact zones
  • FIG. 18 is a fragmentary end view of the coil former of FIG. 17;
  • FIG. 19 is a section of a coil wound to a yet further method; and I FIG. 20 is an end view of a connector. made from the coil of FIG. 19 and applied to a pair of back to back printed circuit boards.
  • FIG. 1 a cylindrical coil 1 of fine insulated wire is potted in a block'2 of elastomeric insulating material to contain and support the wire turns of the coil in insulated spaced relation in a matrix of elastomer insulating being wound a coilv being wound 3 material.
  • Various coil winding and for this purpose are described below.
  • the potted coil 1 may be cut into one or more connecto'r portions 3, for example as .shown in FIG. 2, where the coil has been cut in planes 4, 5 extending axially and radially of the coil to define a pair of orthogonal contact faces 4, 5.
  • cut ends 6 of the wire turns 7 are disposed in closely spaced array in the elastomer matrix.
  • the contact surfaces 4, 5 are suitably cleaned to remove any conductive swarf and surface imperfections and the wire ends 6 are suitably then plated by known pulse plating techniques with contact material such as gold or tin to present contact tips which may project from the elastomer matrix surface 4, 5 and serve to facilitate and improve electrical contact with the wire ends 6.
  • the cut wire turns 7 define arcuate springs supported in the elastomer matrix and extending between the contact faces 4, 5.
  • a coil is cut in a pair of spaced axially extending planes 9, 10 parallel to and equally spaced from a radial plane of the coil to define the connector portion 8.
  • This presents a pair of parallel contact faces 9, 10 at which the wire ends'll are disposed in opposed identical pattern.
  • each cut wire segment 12- is of chevron formcomprising a pair of relatively inclined rectilinear portions l3, 14 compared with the I arcuately .curved segments inFIGS. 2 and 3'.
  • the wire turns 15 are of insulated wire having a relatively thick coating 16 of insulation such as polytetra'fluoroethylene and potted within a surrounding matrix 17 of a morepliable elastomer such as a silicone rubber.
  • a coil is arranged as spaced windings 18 potted in an elastomer matrix and the connector'portion cut to present discrete contact zones 19 at spaced intervals within the elastomeric matrix 20.
  • the wire turns 22 tend to embed in the elastomeric layer 25 beneath them in the coil'and elastomerextrudes or deforms into the inter-wire spaces so that consecutive turns of the elastomer layer 25 contact each other through these spaces, for example at 29.
  • the elastomer layers may be transformed into a coherent matrix by a method dependent on the characteristics of the elastomer being used.
  • an adhesive bond may be obtained between abutting elastomer surfaces by coating a surface or the-surfaces of the elastomer layer 25 with an appropriate adhesive before winding into the coil and after potting techniques" winding allowing the adhesive to set or cure.
  • the radial pressure due to coil winding is sufficient to effect adequate bonding of the adhesive and the coil may be heated to effect or increase the rate of curing.
  • the surfaces of the layer may be wetted by uncured silicone rubber in liquid state, curing being effected after winding by heat treatment to cause a coherent bond between the touching layers, in the spaces 23 between the wire turns 22.
  • the coil winding pressure is sufficient with the application of heat to effect coherent bonding on curing.
  • a similar effect may be obtained with other partly cured rubbers embodying a cross-linking agent such that bonding will be effected under the coil pressure and application of heat.
  • So called B-stage polyurethane may be bonded in a similar way.
  • An alternative approach is to utilize an appropriate solvent to soften the surfaces of the elastomer layer before winding and after winding to evaporate the solvent by heating.
  • a double layer coil 30 is wound in a similar manner to the single layer coil of FIGS. 7 and 8 but with sets 31, 32 of spaced wires and associated layers 33, 34 of elastomer started from diametrically opposite locations of the coil former 35.
  • the wires 31 of alternate layers of the composite winding are staggered longitudinally of the coil in relation to the wires 32 of intermediate layers so that in section a wire of any layer is aligned radially of the coil with the space between adjacent wires in the adjacent layer or layers. This accentuates the tendency for the elastomer layers 33, 34 to extrude into and completely fill the interwire spaces under the coil winding pressure and facilitates the formation of a coherent voidless matrix of elastomer encasing the wire turns.
  • a multi-layer coil 35 is helically wound from a single wire 36 and an elastomer strip 37 arranged side-by-side so that adjacent turns of wire 36 are spaced axially of the coil by the elastomer strip 37.
  • successive windings 38, 39, 40, 41 are stepped axially of the coil so that wire turns 36 in one layer abut the elastomer strip 37 in the adjacent layers.
  • the elastomer strip 37 is wider than the wire diameter so thatthe wire receiving spaces between adjacent turns of the elastomer strip 37 in one layer are totally bridged by the elastomer strip 37 in the adjacent layer.
  • FIG. 13 which is similar to that of FIGS. 11 and 12, layers of the coil or successive windings 42, 43 are interleaved by layers 44 of elastomer sheet wound in a concentric coil.
  • the intervening coils of elastomer strip 37 need not be wider than the wire diameter and may allow closer pitching of the wire turns.
  • FIG. 14 shows a further embodiment in which a coil is woundv in successive layers 45, 46, 47 similar to that of FIGS. 11 and 12 but the elastomer strip 48 is of round cross-section of larger diameter than the intervening wire 49. This allows bridging of the inter-wire spaces by the alternate layers of the elastomer strip 48 which under the coil winding pressure will deform substantially to fill the spaces and maintain the wires in insulating spaced relation.
  • FIG. shows the winding technique disclosed in FIG. 7 applied to the winding of a polygonal section coil 50 on a polygonal former 51.
  • FIG. 16 shows a fragmentary coil section in which insulated wire 52 is wound in a multi-layer coil with the turns of adjacent layers 53, 54 and 54, 55 leading in opposite directions. Adjacent turns 56, 57 in each layer are spaced apart so that a multi-layer mesh is formed as viewed radially of the coil. With windings of this form there is adequate flow space 58, 59, 60 through the coil for effectivepotting of the turns 52 by injection or vacuum molding techniques using an uncured elastomer resin. To facilitate this the core 61 may be formed with flow passageways, not shown, through which the resin may pass for radial fiow through the coil mesh and filling of the coil spaces 58, 591, 60.
  • a coil core 62 is provided with radially projecting spacers 63 arranged in axially spaced groups 64, the spacers 63 of each group 64 being circumferentially distributed around the core 62.
  • First coils 65 are wound by any of the above described techniques between the adjacent groups 64 of spacers 63.0f spaced pairs of groups 64.
  • the spaces 66 between adjacent first" coils 65 being filled with elastomer by winding or potting to the radial level of the first coils 65.
  • Second coils 67 are-then.
  • a composite coil may be built up in which groups 65, 67 of closely spaced wire turns are spaced'apart in the elastomer matrix for manufacture of a connector of the kind shown in FIG. 6.
  • a foil tape maybe wound above and below each coil layer and annular foil spacers provided at axially spaced intervals betweencoils.
  • the annular foil spacers may replace the groups of spacers show in FIG. 18.
  • a coil 70, FIG. I) wound by-one of the-above techniques is provided with an'outer coil, layer 71 of spring wire of enhanced spring characteristics compared with the inner coil turns 72.
  • a connector body is formed'by removing the coil core 73 and cutting a segment from the coil along the broken lines 74 todefine-a generally C-spring form having'a pair of spaced contact faces 75, 76 from which the ends 77 of the'outer spring turns are suitably cut back.
  • a core for the coil winding which may be formed of cured elastomer for bonding in the matrix on potting the coil windings.
  • a rigid core may be used and removed after potting the coil.
  • wire of any section may be used. Where an elongated section is used it may be arranged with its longer axis extending radially of the coil so that the winding segments are bent against their maximum stiffness.
  • a method of manufacturing a connector body comprising a multiplicity of spaced resilient conductive springsdisposed within a matrix of elastomeric insulating material defining a body having spaced surface parts between which the springs extend in nonrectilinear'paths and at which ends of the springs are exposed, said method comprising the steps of winding a plurality of wires into individual coils of flat turns at spaced intervals axially of a cylindrical former, interleaving a sheet of elastomeric material in a manner so as to be common to the plurality of wires, said elastomeric material being wound in a coil disposed between each turn of the individual coils of said wires, bonding adjacent layers of the elastomeric sheet material through the interwire spaces to form a coherent matrix, and cutting through the coil turns to define the connector body with cut portions presenting the spaced surface parts.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
US00320030A 1972-01-29 1973-01-02 Coil wound elastomer connector Expired - Lifetime US3852878A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB432772A GB1368578A (en) 1972-01-29 1972-01-29 Electrical connectors and their manufacture

Publications (1)

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US3852878A true US3852878A (en) 1974-12-10

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US (1) US3852878A (it)
JP (1) JPS4891580A (it)
AR (1) AR195414A1 (it)
AT (1) AT329135B (it)
BE (1) BE794428A (it)
BR (1) BR7300545D0 (it)
DE (1) DE2302429A1 (it)
ES (2) ES410841A1 (it)
FR (1) FR2169191B1 (it)
GB (1) GB1368578A (it)
IT (1) IT973229B (it)
NL (1) NL7300985A (it)
PL (1) PL83801B1 (it)

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952411A (en) * 1974-09-30 1976-04-27 Litton Systems, Inc. Multi-wire wiper contact for potentiometers and other electromechanical devices and method for making same
US3982320A (en) * 1975-02-05 1976-09-28 Technical Wire Products, Inc. Method of making electrically conductive connector
US4008519A (en) * 1975-02-11 1977-02-22 Amp Incorporated Elastomeric connector and its method of manufacture
US4016647A (en) * 1974-07-22 1977-04-12 Amp Incorporated Method of forming a matrix connector
JPS52107566A (en) * 1976-03-05 1977-09-09 Shinetsu Polymer Co Electric circuit connectoe parts
US4199209A (en) * 1978-08-18 1980-04-22 Amp Incorporated Electrical interconnecting device
US4494818A (en) * 1983-09-06 1985-01-22 Allied Corporation Mounting member for electrical contacts
JPS6161763U (it) * 1984-09-26 1986-04-25
US4593961A (en) * 1984-12-20 1986-06-10 Amp Incorporated Electrical compression connector
US4686492A (en) * 1985-03-04 1987-08-11 Tektronix, Inc. Impedance match connection using multiple layers of bond wires
US4820170A (en) * 1984-12-20 1989-04-11 Amp Incorporated Layered elastomeric connector and process for its manufacture
US4862588A (en) * 1988-07-21 1989-09-05 Microelectronics And Computer Technology Corporation Method of making a flexible interconnect
US4871316A (en) * 1988-10-17 1989-10-03 Microelectronics And Computer Technology Corporation Printed wire connector
US4991290A (en) * 1988-07-21 1991-02-12 Microelectronics And Computer Technology Flexible electrical interconnect and method of making
US5071359A (en) * 1990-04-27 1991-12-10 Rogers Corporation Array connector
US5101553A (en) * 1991-04-29 1992-04-07 Microelectronics And Computer Technology Corporation Method of making a metal-on-elastomer pressure contact connector
US5104327A (en) * 1991-02-28 1992-04-14 Amp Incorporated Wire form socket connector
US5199162A (en) * 1989-12-22 1993-04-06 Berkenhoff Gmbh Method for the manufacture of a wire-electrode for spark-erosive cutting
US5245751A (en) * 1990-04-27 1993-09-21 Circuit Components, Incorporated Array connector
US5274917A (en) * 1992-06-08 1994-01-04 The Whitaker Corporation Method of making connector with monolithic multi-contact array
US5293017A (en) * 1992-10-01 1994-03-08 Motorola, Inc. Right angle elastomeric control switch
US5364276A (en) * 1990-07-30 1994-11-15 Nec Corporation Micropin array and production thereof
WO1995027323A1 (en) * 1994-04-05 1995-10-12 Telefonaktiebolaget Lm Ericsson Elastomeric connector
US5585138A (en) * 1991-07-30 1996-12-17 Nec Corporation Micropin array and production method thereof
US5890915A (en) * 1996-05-17 1999-04-06 Minnesota Mining And Manufacturing Company Electrical and thermal conducting structure with resilient conducting paths
EP0918371A1 (en) * 1996-08-08 1999-05-26 Nitto Denko Corporation Anisotropic conductive film and method for manufacturing the same
GB2362344A (en) * 2000-04-18 2001-11-21 Nitto Denko Corp Production method of anisotropic conductive film and anisotropic conductive film produced by this method
US6403226B1 (en) 1996-05-17 2002-06-11 3M Innovative Properties Company Electronic assemblies with elastomeric members made from cured, room temperature curable silicone compositions having improved stress relaxation resistance
DE10215654A1 (de) * 2002-04-09 2003-11-06 Infineon Technologies Ag Elektronisches Bauteil mit mindestens einem Halbleiterchip und Flip-Chip-Kontakten sowie Verfahren zu seiner Herstellung
US20040082207A1 (en) * 2002-10-24 2004-04-29 Fuji Polymer Industries Co., Ltd. Anisotropic conductive elastic connector
EP1487059A1 (en) * 2002-03-20 2004-12-15 J.S.T. Mfg. Co., Ltd. Anisotropically conductive block and its manufacturing method
US20110110063A1 (en) * 2009-11-12 2011-05-12 Roche Diagnostics Operations, Inc. Robust Consumer Electronic Device
CN107689332A (zh) * 2014-10-15 2018-02-13 申宇慈 导线柱体集成体、功能性柱体及其集成体、以及功能性基板

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JPS5836513B2 (ja) * 1974-05-10 1983-08-09 東レ株式会社 積層片コネクタ−とその製造方法
JPS5915376B2 (ja) * 1977-10-18 1984-04-09 信越ポリマ−株式会社 電子回路部品
JPS594180U (ja) * 1982-06-30 1984-01-11 日本精機株式会社 電気接続装置
JPS59171482A (ja) * 1983-03-18 1984-09-27 田中貴金属工業株式会社 コネクタ用弾性シ−トの製造方法
EP0212148A1 (en) * 1985-08-26 1987-03-04 Cooper Industries, Inc. Apparatus for handling rolls of flat cable
US5035628A (en) * 1990-05-29 1991-07-30 Amp Incorporated Electrical connector for electrically interconnecting two parallel surfaces
JP2545675B2 (ja) * 1992-07-17 1996-10-23 信越ポリマー株式会社 エラスチックコネクタの製造方法

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US2732614A (en) * 1949-07-02 1956-01-31 shower
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Cited By (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016647A (en) * 1974-07-22 1977-04-12 Amp Incorporated Method of forming a matrix connector
US3952411A (en) * 1974-09-30 1976-04-27 Litton Systems, Inc. Multi-wire wiper contact for potentiometers and other electromechanical devices and method for making same
US3982320A (en) * 1975-02-05 1976-09-28 Technical Wire Products, Inc. Method of making electrically conductive connector
US4008519A (en) * 1975-02-11 1977-02-22 Amp Incorporated Elastomeric connector and its method of manufacture
JPS52107566A (en) * 1976-03-05 1977-09-09 Shinetsu Polymer Co Electric circuit connectoe parts
JPS5616510B2 (it) * 1976-03-05 1981-04-16
US4199209A (en) * 1978-08-18 1980-04-22 Amp Incorporated Electrical interconnecting device
US4494818A (en) * 1983-09-06 1985-01-22 Allied Corporation Mounting member for electrical contacts
JPH0216523Y2 (it) * 1984-09-26 1990-05-08
JPS6161763U (it) * 1984-09-26 1986-04-25
US4593961A (en) * 1984-12-20 1986-06-10 Amp Incorporated Electrical compression connector
US4820170A (en) * 1984-12-20 1989-04-11 Amp Incorporated Layered elastomeric connector and process for its manufacture
US4686492A (en) * 1985-03-04 1987-08-11 Tektronix, Inc. Impedance match connection using multiple layers of bond wires
US4862588A (en) * 1988-07-21 1989-09-05 Microelectronics And Computer Technology Corporation Method of making a flexible interconnect
US4991290A (en) * 1988-07-21 1991-02-12 Microelectronics And Computer Technology Flexible electrical interconnect and method of making
US4871316A (en) * 1988-10-17 1989-10-03 Microelectronics And Computer Technology Corporation Printed wire connector
US5199162A (en) * 1989-12-22 1993-04-06 Berkenhoff Gmbh Method for the manufacture of a wire-electrode for spark-erosive cutting
US5071359A (en) * 1990-04-27 1991-12-10 Rogers Corporation Array connector
US5245751A (en) * 1990-04-27 1993-09-21 Circuit Components, Incorporated Array connector
US5364276A (en) * 1990-07-30 1994-11-15 Nec Corporation Micropin array and production thereof
US5460677A (en) * 1990-07-30 1995-10-24 Nec Corporation Filament winding production method for a micropin array
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US5101553A (en) * 1991-04-29 1992-04-07 Microelectronics And Computer Technology Corporation Method of making a metal-on-elastomer pressure contact connector
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ATA57973A (de) 1975-07-15
AR195414A1 (es) 1973-10-08
ES192010U (es) 1974-08-16
JPS4891580A (it) 1973-11-28
BR7300545D0 (pt) 1973-10-25
IT973229B (it) 1974-06-10
AT329135B (de) 1976-04-26
FR2169191B1 (it) 1976-09-10
FR2169191A1 (it) 1973-09-07
BE794428A (fr) 1973-07-23
ES192010Y (es) 1974-12-16
ES410841A1 (es) 1975-12-01
DE2302429A1 (de) 1973-08-02
NL7300985A (it) 1973-07-31
GB1368578A (en) 1974-10-02
PL83801B1 (it) 1976-02-28

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