EP3137640B1 - Elektrischer miniaturkontakt mit hoher thermischer stabilität - Google Patents

Elektrischer miniaturkontakt mit hoher thermischer stabilität Download PDF

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Publication number
EP3137640B1
EP3137640B1 EP15723270.3A EP15723270A EP3137640B1 EP 3137640 B1 EP3137640 B1 EP 3137640B1 EP 15723270 A EP15723270 A EP 15723270A EP 3137640 B1 EP3137640 B1 EP 3137640B1
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EP
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Prior art keywords
electrical contact
contact
alloy
strands
advantageously
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English (en)
French (fr)
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EP3137640A1 (de
Inventor
Leen DE DEKEN
Ning Yu
Bastien BROCARD
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Axon Cable SA
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Axon Cable SA
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/12—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by twisting
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/056—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/058—Alloys based on nickel or cobalt based on nickel with chromium without Mo and W
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • 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

Definitions

  • the present invention relates to the field of electrical contacts Twist-Pin type (Twist-Pin technology or twisted pin) with high thermal stability used in connectors of the micro-D family according to Mil-DTL-83513.
  • connection points In the interest of making the interconnection of electronic systems more compact, the density of connection points is becoming more and more a sought-after performance, which has led to the miniaturization not only of the transmission cable, but also of the connector.
  • Mil-DTL-83513 defines a family of male and female rectangular connectors, the connecting parts of which are D-shaped. This family, called micro-D, is characterized by a pitch of 1.27 mm, the step representing the distance between two adjacent connection points.
  • connection points or the number of contacts which are respectively 9, 15, 21, 25, 31, 37, 51 and 100. These contacts are arranged in the connector in 2 or 3 rows. ( figure 1 ).
  • the retention is ensured by the male contact, the female contact being a tube.
  • the technologies used have a bulge that ensures lateral contact with the tube.
  • One of them is called “Twist-Pin”, noted TP.
  • This consists of first making a strand compound of copper and beryllium copper, and then crimp it into a copper or beryllium copper tube (as disclosed for example in US Pat. US 3255430 , US 3319217 , US 3402466 and WO82 / 03140 ).
  • the bulge is made by a mechanical operation called “bump” which removes at a fair level the peripheral strands of the strand.
  • the whole contact is finally electrolytically coated with a nickel undercoat and then a final layer of gold according to the MIL-G-45204 standard.
  • this male twist pin contact is schematically illustrated this male twist pin contact.
  • Twist-Pin contact for its high temperature applications, particularly in order to obtain a contact capable of holding at 260 ° C for 2000 hours while respecting the main requirements of the Mil-DTL standard. 83513.
  • Ni-Cr-Ti-AI alloys such as Alloy Wire International's Nimonic 90 alloy are known in the prior art for use as a high temperature spring but for extreme temperatures well above the requirements (> 700 ° C). C).
  • their use for the transmission of a current is not obvious. Indeed, they have limited electrical conduction (of the order 1-2% IACS). This does not facilitate their use as an electrical contact.
  • IACS electrical conduction
  • the inventors have discovered that it is possible to obtain contacts capable of holding at 260 ° C. for 2000 hours while respecting the main requirements of the Mil-DTL-83513 standard with the aid of a strand of the electrical terminal of the male contact including (in particular consisting of) 3 central Ni or Cu strands and 7 peripheral Ni-Cr-Ti-AI alloy strands.
  • electrical contact is meant in the sense of the present invention a part or a set of parts, adapted to be attached to one end of a conductive element, to ensure electrical contact between the conductive element and another conductive element.
  • This "other conductive element” is generally also an electrical contact.
  • the female contact may simply be in the form of a tube.
  • the male contact is generally constituted essentially by an electrical contact terminal (conductive part, male or female), and a conductive joining piece (more simply called “the junction") on which is fixed mechanically and electrically the terminal, the junction being further arranged to be mechanically and electrically attachable to a conductive member.
  • conductive element is broadly intended to cover any body of which at least part is electrically conductive; it may include an electrical wire, or a contact terminal.
  • terminal or "contact terminal” here means a part (or portion of a part) intended to come into contact with another part (another terminal) so as to establish an electrical contact.
  • twisted-pin male electrical contact means any male electrical contact according to the present invention using Twist-Pin (or TP) technology.
  • the manufacture of a female contact is simply to produce a tube, by high-precision machining.
  • a first conductive element is produced which is an electrical terminal constituted by a strand comprising one or more central strands (in the case of the present invention 3 strands central) and peripheral strands (in the case of the present invention 7 peripheral strands), and having a bulge (called “bump") in the central part (In this technology, the bulge is made by a mechanical operation called “bump” which removes at a fair level the external strands of the strand); a tube is manufactured by a high-precision machining operation identical to the manufacture of the female contact; the strand is fixed in one end of the tube.
  • the male electrical contact 1 therefore comprises a strand 2 provided with a bulge or "bump" 3 in central part, the strand forming the electrical terminal.
  • This electrical terminal is inserted in a cylinder 4 which is provided with an electric wire 5.
  • peripheral strands are helically wound around the central strands of the strand.
  • the male electrical contact according to the present invention can therefore be made by methods well known to those skilled in the art according to TP technology.
  • the 7 peripheral strands of the strand are made of Ni-Cr-Ti-Al alloy.
  • This alloy may optionally contain Cobalt (Co) and / or Molybdenum (Mo). It can thus be for example a Ni-Cr-Co-Ti-Al alloy, or Ni-Cr-Co-Mo-Ti-AI.
  • it is a Ni-Cr-Co-Ti-Al alloy.
  • This alloy may also contain less than 2% by weight relative to the total weight of the iron alloy (Fe).
  • the impurities are chosen from B, Zr, Cu, Fe, S, Si, Mn, C, Pb and / or P.
  • the percentage of overall impurity (relative to the total weight of the alloy) is therefore in general ⁇ 10%, advantageously ⁇ 8%, more advantageously ⁇ 6%, in particular ⁇ 5%, more particularly ⁇ 3%, for example ⁇ 2%.
  • the Nickel + Cobalt content is between 62 and 83%, advantageously between 64.5 and 81.5%, for example 69-75%.
  • the alloy comprises cobalt, in particular in a content of between 2 and 23% by weight relative to the total weight of the alloy, more particularly between 10 and 22%, even more particularly between 12 and 21%. for example between 15 and 21%.
  • the alloy comprises molybdenum, in particular in a content of between 3.5 and 11% by weight relative to the total weight of the alloy, advantageously between 4 and 10.5%, for example between 9 and 10.5%.
  • This alloy is in particular commercially available from Alloy wire international under the references Nimonic 80A, Nimonic 90, Waspaloy and Rene 41.
  • the three central strands of the strand are assembled with a pitch of between 1 and 5 mm left, in particular between 1 and 3 mm left, advantageously it is 2 mm left.
  • the seven peripheral strands are assembled around the central strands with a pitch of between 1 and 5 mm straight, in particular between 1 and 3 mm straight, advantageously it is 2.4 mm straight.
  • the three central strands of the strand are assembled with a pitch between 1 and 5 mm left, in particular between 1 and 3 mm left, advantageously it is 2 mm left, and the seven peripheral strands are assembled around with a pitch of between 1 and 5 mm straight, in particular between 1 and 3 mm right advantageously it is 2.4 mm straight.
  • the three central strands of the strand of the contact according to the present invention have a diameter of between 0.069 and 0.109 mm, in particular between 0.079 and 0.099 mm, advantageously it is 0.089 mm.
  • the seven peripheral strands of the strand of the contact according to the present invention have a diameter of between 0.1 and 0.160 mm, in particular between 0.110 and 0.137, advantageously it is 0.127 mm.
  • the three central strands of the strand of the contact according to the present invention have a diameter of between 0.069 and 0.109 mm, in particular between 0.079 and 0.099 mm, advantageously it is 0.089 mm, and the seven peripheral strands of the The strand of the contact according to the present invention has a diameter of between 0.1 and 0.160 mm, in particular between 0.110 and 0.137 mm, advantageously it is 0.127 mm.
  • the strand of the contact according to the present invention is coated with an electrolytic gold layer, advantageously with a thickness of between 1-6 ⁇ m, more advantageously in order to have the maximum acceptable contact resistance.
  • an electrolytic gold layer advantageously with a thickness of between 1-6 ⁇ m, more advantageously in order to have the maximum acceptable contact resistance.
  • MIL-DTL-83513 standard of at least 2.6 ⁇ m, in particular between 2.6 and 6 ⁇ m, more particularly between 2.6 and 2.8 ⁇ m, for example about 2.7 ⁇ m.
  • This coating is done by methods well known to those skilled in the art.
  • the contact strand according to the present invention does not include an underlayer between the alloy and the electrolytic gold.
  • the temperature of use of the contact according to the present invention is ⁇ 260 ° C, advantageously for a period of use of at least 2000 hours.
  • the inventors have found that up to including a temperature of 260 ° C, the bulge of the central portion of the strand (or "bump") of the contact according to the present invention did not undergo a creep phenomenon, even after at least 2000 hours of use by insertion into a female contact. Connections and disconnections are possible between uses without loss of retention.
  • the minimum separation force defined in MIL-DTL-83513 is thus respected even after aging. There is therefore no risk of contact cut-off and therefore of cut-off in the signal transmitted at these temperatures during shocks or vibrations.
  • the present invention therefore also relates to the use of the male electrical contact according to the present invention in a micro-D connector, advantageously for applications at a service temperature ⁇ 260 ° C.
  • micro-D connector means any connector governed by the Mil-DTL-83513 standard and characterized by a spacing of 1.27 mm between neighboring conductors, the retention being ensured by the contact male, the female connector being a tube. It is a family of rectangular male and female connectors whose connecting parts have a D-shape.
  • the central 3 strands of the strand of the contact according to the present invention are made of copper and the contact according to the invention has a magnetism value ⁇ 1nT according to the GFSC-S-311 standard. This feature is important in electronics in many applications, including offshore and underground exploration.
  • the present invention also relates to the use of the male electrical contact according to the invention in which the 3 central strands of the strand are copper for applications in offshore or underground exploration.
  • the mechanical characteristics of the alloy are summarized in Table 1 below: ⁇ u> Table 1: ⁇ / u> Example Composition Rm (MPa) Rp0.2% (MPa) E (GPa) AT (%) Conductivity (% IACS) Comparative 1 Cu-Be1,8-Co0,2 1260-1450 1090-1350 130 1 19-28
  • the force of engagement is divided by 4 when comparing the value before and after stay in an oven, that of separation is divided by 7.
  • the standard MIL-DTL-83513G stipulates a maximum insertion force of 1.67 N and a minimum separation force of 0.14 N in absolute value.
  • the separation values obtained after 100h at 260 ° C are therefore below the limit of the standard. In conclusion, this contact can not be used for applications at 260 ° C.
  • TP contacts similar to those of Comparative Example 1 are made but using for the 7 peripheral strands a copper, nickel, tin and manganese alloy (Cu-Ni-Sn-Mn: Cu-Ni13-Sn7-Mn0.15) from Berda (reference Nibrodal 138), whose characteristics are shown in Table 3 below.
  • Table 3 ⁇ / u>
  • Example Composition Rm (MPa) Rp0.2% (MPa) E (GPa) AT (%) Conductivity (% IACS) Comparative 2 Cu-Ni13-SN7-Mn0,15 1309-1337 119 0.6-1 8.4
  • TP contacts similar to those of Comparative Examples 1 and 2 were made, but using for the 3 central and 7 peripheral strands an Au-Cu-Pt-Ag-Zn alloy (Au71.5-Cu14.5-Pt8 , 5-Ag4,5-Zn1), from Texpart, the characteristics of which are shown in Table 5 below.
  • Table 5 ⁇ / u> Comparative Example 3 Composition Rm (MPa) Rp0.2% (MPa) E (GPa) AT (%) Conductivity (% IACS) Au71,5-Cu14,5-Pt8,5-Ag4,5-Zn1 1030-1380 900 110 2 12.2
  • Example 1 Ni-strand and Ni-Cr20-Co18-Ti-Al (UNS N07090) - mechanical aspect)
  • TP contacts of construction similar to the above comparative examples are made, but using 3 central strands of nickel and 7 peripheral strands of Ni-Cr20-Co18-Ti-Al alloy available from Alloy wire international under the reference Nimonic 90, whose characteristics are in Table 7 below and the exact composition in Table 8 below.
  • Table 7 ⁇ / u>
  • Example Composition Rm (MPa) Rp0.2% (MPa) E (GPa) AT (%) Conductivity (% IACS) 1 Ni-CR20-Co18-Ti-Al 1500-1800 213-240 1.5
  • TP contacts of construction similar to the preceding example 1 are made but with 7 peripheral Ni-Cr20-Ti-Al alloy strands available from Alloy Wire International under the reference Nimonic 80A, the characteristics of which are shown in Table 10. below and the exact composition in Table 11 below.
  • Table 10 ⁇ / u> Example Composition Rm (MPa) Rp0.2% (MPa) E (GPa) AT (%) Conductivity (% IACS) 2 Ni-Ti-Al-CR20 1500-1800 222 1.3
  • this construction can also be used for applications at 260 ° C.
  • TP contacts of construction similar to the preceding examples 1 and 2 are made but with 7 peripheral Ni-Cr20-Co14-Mo-Ti-Al alloy strands available from Alloy wire international under the reference Waspaloy, whose characteristics are found in FIG. Table 12 below and the exact composition in Table 13 below.
  • this construction can also be used for applications at 260 ° C.
  • TP contacts of construction similar to the preceding examples 1 to 3 are made, but with 7 peripheral Ni-Cr19-Co11-Mo-Ti-Al alloy strands, available from the company Alloy Wire International under the reference Rene 41, whose characteristics are as follows: found in Table 14 below and the exact composition in Table 15 below.
  • this construction can also be used for applications at 260 ° C.
  • TP contacts of construction similar to the preceding examples 1-4 are made, but using 3 central copper strands and 7 peripheral Ni-Cr20-Co18-Ti-Al alloy strands available from Alloy wire international under the reference Nimonic 90, whose characteristics are in Table 7 above and the exact composition in Table 8 above.
  • Thermal aging is carried out at 260.degree. C. in an ambient atmosphere for 2000 hours at female TP-contact contacting moments. After aging, as in the preceding Examples 1-4, each TP contact of the female contact is made visible, and the visual observation and the measurement of the insertion and separation forces are carried out. The results are summarized in Table 16 below.
  • Example 6 Ni-strand and Ni-Cr20-Co18-Ti-Al - contact resistance
  • TP contacts of construction similar to Example 1 are made on which a surface treatment is additionally applied. This consists of a gold electrolytic coating with a thickness of about 1.3 ⁇ m.
  • Example 21 A TP contact of construction similar to Example 5 is made. A gold electrolytic coating with a thickness of approximately 2.6 .mu.m is also produced. The same tests were performed as in the previous sub-examples 6a-6c. The results are shown in Table 21 below. ⁇ u> Table 21: ⁇ / u> Sample Contact resistance (mV) Low intensity contact resistance (mOhm) 1 47.9 28.89 2 48.7 27.52 3 50.5 25.76 4 57.5 23.96 5 52.9 27.12 6 53.6 26.85 7 50.6 29,02 8 48.0 28.27 9 50.0 30.37 10 48.0 26.87 average 50.8 27.46
  • Example 5 residual magnetism measurements were made according to the procedure defined in the GFSC-S-311 standard, using a three-dimensional magnetometer. First, the initial magnetic field is measured. Then the contacts are magnetized with a 500mT field using a magnet. A new residual magnetic field measurement is performed. Finally, a demagnetization phase is performed by applying an alternating magnetic field of a value greater than 500mT. A measurement is performed again. All three measurements revealed a residual magnetism of less than 1nT, a critical value below which the tested contacts are considered non-magnetic.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Conductive Materials (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Contacts (AREA)

Claims (14)

  1. Elektrischer Stiftkontakt vom Typ verdrillter Stift, umfassend eine elektrische Anschlussklemme, die aus einem Strang mit drei zentralen Litzen aus Nickel oder Kupfer, 7 Umfangslitzen aus Ni-Cr-Ti-Al-Legierung und einer Wölbung im Mittelteil besteht, wobei die Legierung in Gewichtsprozent, bezogen auf das Gesamtgewicht der Legierung, aus folgenden Komponenten besteht:
    Chrom: 15 - 25 %,
    Titan: 1,5 - 3,5 %,
    Kobalt: 0 - 25 %,
    Aluminium: 1 - 2 %,
    Molybdän: 0 - 11 %,
    Nickel: Rest
    sowie unvermeidliche Verunreinigungen,
    wobei die Umfangslitzen schraubenförmig um die zentralen Litzen gewickelt sind, wobei die drei zentralen Litzen mit einer Steigung zwischen 1 und 5 mm links herum angeordnet sind und die sieben Umfangslitzen mit einer Steigung zwischen 1 und 5 mm rechts um diese herum angeordnet sind.
  2. Elektrischer Kontakt nach Anspruch 1, dadurch gekennzeichnet, dass die Ni-Cr-Ti-Al-Legierung in Gewichtsprozent, bezogen auf das Gesamtgewicht der Legierung, aus folgenden Komponenten besteht:
    Chrom: 17 - 22 %
    Titan: 1,7 - 3,4 %
    Kobalt: 2 - 23 %
    Aluminium: 1,5 %
    Molybdän: 0 - 10,5 %
    Nickel: Rest, vorzugsweise 50 - 80 %
    sowie unvermeidliche Verunreinigungen.
  3. Elektrischer Kontakt nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass der Gehalt an Nickel und Kobalt in Gewichtsprozent, bezogen auf das Gesamtgewicht der Legierung, zwischen 62 und 83 %, vorzugsweise zwischen 64,5 und 81,5 % liegt.
  4. Elektrischer Kontakt nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass er Kobalt mit einem Gehalt von 10 bis 22 Gew.-%, bezogen auf das Gesamtgewicht der Legierung, umfasst.
  5. Elektrischer Kontakt nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass er Molybdän mit einem Gehalt von 3,5 bis 11 Gew.-%, vorzugsweise zwischen 4 und 10,5 %, bezogen auf das Gesamtgewicht der Legierung, umfasst.
  6. Elektrischer Kontakt nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die drei zentralen Litzen mit einer Steigung von 2 mm links herum angeordnet sind und die sieben Umfangslitzen rechts um diese herum mit einer Steigung von 2,4 mm angeordnet sind.
  7. Elektrischer Kontakt nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die drei zentralen Litzen einen Durchmesser zwischen 0,069 und 0,109 mm, vorzugsweise von 0,089 mm, aufweisen.
  8. Elektrischer Kontakt nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die sieben Umfangslitzen einen Durchmesser zwischen 0,1 und 0,160 mm, vorzugsweise von 0,127 mm, aufweisen.
  9. Elektrischer Kontakt nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der Strang mit einer elektrolytischen Goldschicht, vorzugsweise mit einer Dicke von mindestens 2,6 µm, insbesondere zwischen 2,6 und 6 µm, beschichtet ist.
  10. Elektrischer Kontakt nach Anspruch 9, dadurch gekennzeichnet, dass der Strang keine Unterschicht zwischen der Legierung und dem elektrolytischen Gold aufweist.
  11. Elektrischer Kontakt nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass seine Betriebstemperatur ≤ 260 °C beträgt, vorzugsweise während einer Betriebszeit von mindestens 2000 Stunden.
  12. Elektrischer Kontakt nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass die 3 zentralen Litzen aus Kupfer bestehen und dass dessen Magnetismuswert kleiner als 1 nT ist.
  13. Verwendung des elektrischen Stiftkontakts nach einem der Ansprüche 1 bis 12 in einem Mikro-D-Stecker, vorzugsweise für Anwendungen bei einer Betriebstemperatur von ≤ 260 °C.
  14. Verwendung des elektrischen Stiftkontakts nach Anspruch 12 für Offshore- oder Untertage-Explorationsanwendungen.
EP15723270.3A 2014-04-29 2015-04-24 Elektrischer miniaturkontakt mit hoher thermischer stabilität Active EP3137640B1 (de)

Applications Claiming Priority (2)

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FR1453882A FR3020509B1 (fr) 2014-04-29 2014-04-29 Contact electrique miniature de haute stabilite thermique
PCT/FR2015/051125 WO2015166174A1 (fr) 2014-04-29 2015-04-24 Contact electrique miniature de haute stabilite thermique

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EP3137640B1 true EP3137640B1 (de) 2019-08-07

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US (1) US10476176B2 (de)
EP (1) EP3137640B1 (de)
CN (1) CN105849979B (de)
FR (1) FR3020509B1 (de)
WO (1) WO2015166174A1 (de)

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US10770839B2 (en) * 2018-08-22 2020-09-08 Amphenol Corporation Assembly method for a printed circuit board electrical connector

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US20170077617A1 (en) 2017-03-16
EP3137640A1 (de) 2017-03-08
US10476176B2 (en) 2019-11-12
FR3020509B1 (fr) 2016-05-13
CN105849979B (zh) 2019-06-11
WO2015166174A1 (fr) 2015-11-05
FR3020509A1 (fr) 2015-10-30
CN105849979A (zh) 2016-08-10

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