WO2016072986A1 - Extrémité de câble à impédance contrôlée utilisant des éléments d'interconnexion conformes - Google Patents

Extrémité de câble à impédance contrôlée utilisant des éléments d'interconnexion conformes Download PDF

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Publication number
WO2016072986A1
WO2016072986A1 PCT/US2014/064216 US2014064216W WO2016072986A1 WO 2016072986 A1 WO2016072986 A1 WO 2016072986A1 US 2014064216 W US2014064216 W US 2014064216W WO 2016072986 A1 WO2016072986 A1 WO 2016072986A1
Authority
WO
WIPO (PCT)
Prior art keywords
cable
ground
signal
anchor block
contact
Prior art date
Application number
PCT/US2014/064216
Other languages
English (en)
Inventor
Gordon A. Vinther
Sergio Diaz
Original Assignee
Ardent Concepts, Inc.
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 Ardent Concepts, Inc. filed Critical Ardent Concepts, Inc.
Priority to CN201480083225.6A priority Critical patent/CN107078442A/zh
Priority to PCT/US2014/064216 priority patent/WO2016072986A1/fr
Priority to JP2017518160A priority patent/JP2017534142A/ja
Priority to EP14905418.1A priority patent/EP3216091A4/fr
Publication of WO2016072986A1 publication Critical patent/WO2016072986A1/fr

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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
    • 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
    • H01R24/42—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 comprising impedance matching means or electrical components, e.g. filters or switches
    • H01R24/44—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 comprising impedance matching means or electrical components, e.g. filters or switches comprising impedance matching means
    • 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
    • H01R12/75—Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon cables
    • 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
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2435—Contacts for co-operating by abutting resilient; resiliently-mounted with opposite contact points, e.g. C beam
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/6608—Structural association with built-in electrical component with built-in single component
    • H01R13/6633—Structural association with built-in electrical component with built-in single component with inductive component, e.g. transformer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0515—Connection to a rigid planar substrate, e.g. 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
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0518—Connection to outer conductor by crimping or by crimping ferrule

Definitions

  • the present invention relates to electrical cable
  • terminations more particularly, to controlled impedance cable terminations which are generally used to transmit high- frequency signals in electronic equipment.
  • a cable termination is to provide an interconnect from the cable to the electrical device and to provide a separable electrical interconnection between the cable and its operating environment.
  • the characteristic of separability means that the cables are not interconnected by permanent mechanical means, such as soldering or bonding, but by temporary mechanical means.
  • PCB printed circuit board
  • the cables require a minimum space between them to achieve the controlled
  • the present invention is an apparatus and method for terminating a controlled-impedance cable that uses a
  • the present invention includes a cable terminator that employs compliant electrical contacts to provide an interface between the controlled-impedance cable (hereinafter, simply “cable") and another device.
  • the assembly is removably attached to the electrical device by a compression force in a direction of compression typically provided by jack screws that may not compress the assembly and device together linearly.
  • Compliant contacts compensate for noncoplanarities between the conduction points of the electrical device.
  • Each embodiment of the terminator includes an anchor block for securing the cable, one or more compliant signal contacts for making the electrical connection between the cable center conductor (s) and the electrical device, optional compliant ground contacts for making the electrical
  • the anchor block can be either electrically conductive or nonconductive .
  • the ground shield of all of the cables are electrically connected to the anchor block.
  • the present invention contemplates several different methods to accomplish this including soldering the cable ground shield, crimping the ground shield, potting with a conductive adhesive, insert molding, press fitting a rigidized ground shield, threading, and twist-lock.
  • Dressing may include polishing by some mechanical means, such as by milling, grinding, or sanding, in order to make sure that the cable center conductor is positioned at a known depth with respect to the anchor block face .
  • a conductive ferrule is installed on the ground shield of each cable.
  • the cable ends are dressed to make a reliable electrical contact with compliant contacts and the ferrule/cable assemblies are installed into holes in the anchor block.
  • the present invention contemplates several different methods to accomplish this including, press fitting, threading, and twist-lock .
  • Example compliant contacts for use with the present invention include spring probes, electrically-conductive rubber contacts, fuzz button contacts, stamped metal
  • the plate holds the contacts.
  • Features of the plate include a face surface that abuts the anchor block face, a device surface that generally abuts the device, and at least one through aperture for the contacts.
  • Each aperture has an anchor block face opening and a device face opening.
  • the apertures for the signal contacts are aligned with the corresponding cable hole in the anchor block.
  • the cable center conductor is connected to the signal conduction point of the electrical device by the compliant signal contact.
  • the signal contacts are surrounded by a number of ground contacts that connect either the conductive anchor block or the cable shield to the device in a pattern that closely mimics the impedance
  • the impedance of the system can be changed by changing the position of the ground contacts with respect to the signal contact or by changing the insulating material .
  • the skewed coil contact is captured in a through aperture in the plate.
  • the aperture has a larger center section that narrows to a smaller block opening at the side adjacent to the anchor block and to a smaller device opening at the other end.
  • the length of the contact leads is such that the leads extend from the openings.
  • the block opening is as wide as the center section.
  • corresponding contact lead can be increased by a pair of conductive bosses that the contact is captured in that is as wide as the cable center conductor.
  • the fuzz button contact is cylindrical and forced into an aperture that is narrower at the center than the ends.
  • the contact ends extend from the plate.
  • the conductive rubber contact for the signal contact can be cylindrical with a centrally-located annular depression that fits on an annular protrusion in the aperture.
  • the contact ends extend from the plate.
  • the conductive rubber contact for the ground contact can be the same structure as the signal contact or can be circular, surrounding the signal contact.
  • the etched or stamped contact is a strip of conductive material in a C shape that is captured in a C-shaped
  • the electrical connection between the center conductor and the signal contact and the electrical connection between the ground block/cable shield ferrule and the ground contacts are compression connections. With the contacts installed in the plate, the plate is mounted to the anchor block with mechanical attachments, thereby forcing the end of the signal contact against the end of the center conductor and the ends of the ground contacts against the anchor block/cable shield ferrule.
  • the electrical connection between the center conductor and the signal contact is a solder connection.
  • the end of the center conductor is formed into a compliant spring like the skewed coil contact .
  • the plate can be either insulating or conductive.
  • the insulating plate is made of a non-electrically-conductive material.
  • a conductive plate is preferably composed of an electrically-conductive metal that couples the ground
  • the conductive plate is composed of a non-conductive material plated with a conductive coating.
  • the signal contact is insulated from the conductive plate by an insulating centering plug or a non- conductive coating.
  • the signal contact aperture is within a conductive boss.
  • the boss is surrounded by an insulating annulus that insulates the boss from the conductive plate.
  • a soldering fixture that has a frame, a connector jig, a block jig, and legs.
  • the frame is generally rectangular and stands vertically.
  • the connector jig is mounted to the lower cross piece of the frame.
  • the block jig is mounted to the upper cross piece of the frame.
  • Four legs extend from the bottom corners of the frame in generally opposite directions at an angle of at least 10° from
  • the connector jig locks the cable connectors at a fixed distance away from where the other end of the cable will be soldered to the anchor block.
  • the connector jig locks the connectors in an upwardly open arc so that the cables are the same length to the anchor block.
  • the anchor block is secured to the block jig, face up, which is secured to the upper cross piece.
  • a tensioning plate is mounted to the upper cross piece. Jack screws are threaded into holes at the end of the tensioning plate. The cable sheath is stripped and the stripped portion is fed through the hole in the anchor block and a corresponding cable hole in the tensioning plate. A coil spring is placed on each cable and a collar is tightly secured to the cable.
  • the jack screws are tightened until there is adequate tension on the cables.
  • Each cable shield is soldered to the anchor block.
  • the angled legs allow the user to tilt the fixture for easier access to each side of the anchor block.
  • the jack screws are loosened, and the collars, springs, and tensioning plate are removed.
  • the anchor block is removed from the frame and the connectors are removed from the connector jig.
  • the anchor block face is finished smooth and evenly flat by sanding, milling, planing, skiving, broaching, or any other appropriate method.
  • FIG. 1 is an isometric view of the cable termination assembly of the present invention for use with coaxial cables ;
  • FIG. 2 is a front view of the cable termination assembly of FIG. 1 connected to a device;
  • FIG. 3 is a cross-sectional detail view of the cable termination assembly connected to a device;
  • FIG. 4 is a side view of the cable termination assembly of FIG. 1;
  • FIG. 5 is an exploded view of the cable termination assembly of FIG. 1 with a conductive anchor block;
  • FIG. 6 is a top cross-sectional view of the cable
  • FIG. 7 is a front cross-sectional view of the cable termination assembly of FIG. 4 with a conductive anchor block taken along the line B-B;
  • FIG. 8 is a cross-sectional view of a method of removably attaching the cable to the anchor block
  • FIG. 9 is a cross-sectional view of another method of removably attaching the cable to the anchor block
  • FIG. 10 is an exploded view of the cable termination assembly of FIG. 1 with a nonconductive anchor block;
  • FIG. 11 is a front cross-sectional view of the cable termination assembly of FIG. 4 with a nonconductive anchor block taken along the line B-B;
  • FIG. 12 is a cross-sectional view showing the common features of the plate
  • FIG. 13 is an isometric view of an angled anchor block
  • FIG. 14 is an isometric view of a parallel anchor block
  • FIG. 15 is an isometric view of a right-angle anchor block ;
  • FIG. 16 is a cross-sectional side view of a configuration of a right-angle anchor block
  • FIG. 17 is bottom view of the cable termination assembly of FIG. 1 with an insulating plate
  • FIG. 18 is a detail view of a configuration of the bottom of the coax cable termination assembly of FIG. 17 taken at C;
  • FIG. 19 is a detail view of another configuration of the bottom of the coax cable termination assembly of FIG. 17 taken at C;
  • FIG. 20 is a detailed view of FIG. 7 taken at D showing the coax cable termination using a skewed coil contact with a conductive anchor block and an insulating plate having mirror-image sheets;
  • FIG. 21 is a detailed view of FIG. 7 taken at D showing the coax cable termination using a skewed coil contact with a nonconductive anchor block and an insulating plate having mirror-image sheets;
  • FIG. 22 is a detailed view of FIG. 7 taken at D showing the coax cable termination using a skewed coil contact with an insulating plate having asymmetrical sheets;
  • FIG. 23 is a detailed view of FIG. 7 taken at D showing the coax cable termination using a skewed coil contact with an insulating plate having an elongated center section;
  • FIG. 24 is a detailed view of FIG. 7 taken at D showing the coax cable termination using a skewed coil contact with an insulating plate and conductive bosses;
  • FIG. 25 is a detailed view of FIG. 7 taken at D showing the coax cable termination using a fuzz button contact with an insulating plate;
  • FIG. 26 is a detailed view of FIG. 7 taken at D showing the coax cable termination using a conductive rubber contacts with an insulating plate;
  • FIG. 27 is a cross-sectional view of FIG. 26 taken at E- E;
  • FIG. 28 is a cross-sectional view of FIG. 27 taken at F-
  • FIG. 29 is bottom view of the cable termination assembly of FIG. 1 using stamped or etched contacts embedded in an insulating plate;
  • FIG. 30 is a detail view of the bottom of the coax cable termination assembly of FIG. 29 taken at H;
  • FIG. 31 is a cross-sectional view of the plate of FIG. 29 before installation on the anchor block;
  • FIG. 32 is a detailed view of FIG. 7 taken at D showing the coax cable termination using stamped or etched contacts embedded in an insulating plate;
  • FIG. 33 is an exploded view of the cable termination assembly using the anchor block of FIG. 14 with an insulating plate ;
  • FIG. 34 is a cross-sectional view of the cable
  • FIG. 35 is a detailed view of FIG. 7 taken at D showing the coax cable termination using a skewed coil contact for the ground contacts and a shaped cable center conductor for the signal contact with an insulating plate;
  • FIG. 36 is bottom view of the cable termination assembly of FIG. 1 with coaxial cables, a conductive plate, and insulating plug for the signal contact;
  • FIG. 37 is a detail view of the bottom of the coax cable termination assembly of FIG. 36 taken at J with a conductive plate and insulating plug for the signal contact;
  • FIG. 38 is a detailed view of FIG. 7 taken at D showing the coax cable termination using a skewed coil contact with a conductive plate and insulating plug for the signal contact;
  • FIG. 39 is bottom view of the cable termination assembly of FIG. 1 with coaxial cables, a conductive plate, dielectric annulus, and conductive boss for the signal contact;
  • FIG. 40 is a detail view of the bottom of the coax cable termination assembly of FIG. 39 taken at K with a conductive plate, dielectric annulus, and conductive boss for the signal contact ;
  • FIG. 41 is a detailed view of FIG. 7 taken at D showing the coax cable termination using a skewed coil contact with a conductive plate, dielectric annulus, and conductive boss for the signal contact;
  • FIG. 42 is an isometric view of the cable termination assembly of the present invention for use with twin-axial cables
  • FIG. 43 is a front view of the cable termination assembly of FIG. 42;
  • FIG. 44 is a top cross-sectional view of the cable termination assembly of FIG. 43 taken along the line M-M;
  • FIG. 45 is a side view of the cable termination assembly of FIG. 42;
  • FIG. 46 is a front cross-sectional view of the cable termination assembly of FIG. 45 taken along the line N-N;
  • FIG. 47 is bottom view of the cable termination assembly of FIG. 42 with an insulating plate
  • FIG. 48 is a detail view of the bottom of the cable termination assembly of FIG. 47 taken at R with an insulating plate ;
  • FIG. 49 is a detailed view of FIG. 46 taken at P showing the twin-axial cable termination using skewed coil contacts with an insulating plate;
  • FIG. 50 is bottom view of the cable termination assembly of FIG. 42 with twin-axial cables, a conductive plate, and insulating plugs for the signal contacts;
  • FIG. 51 is a detail view of the bottom of the twin-axial cable termination assembly of FIG. 50 taken at S;
  • FIG. 52 is a detailed view of FIG. 46 taken at P showing the twin-axial cable termination using skewed coil contacts, a conductive plate, and insulating plugs for the signal contacts;
  • FIG. 53 is a bottom view of an alternative cable
  • FIG. 54 is a detail view of the bottom of the alternative twin-axial cable termination assembly of FIG. 53 taken at T;
  • FIG. 55 is a detailed view of FIG. 46 taken at P showing the alternative twin-axial cable termination of FIG. 53;
  • FIG. 56 is an isometric view of a soldering fixture of the present invention with cables and anchor block;
  • FIG. 57 is a front view of the fixture of FIG. 56;
  • FIG. 58 is a side view of the fixture of FIG. 56;
  • FIG. 59 is a detail view of the connector jig of FIG. 57;
  • FIG. 60 is a detail view of the block jig and tensioning plate of FIG. 57 with the anchor block attached;
  • FIG. 61 is a detail view of a cable threaded through the block and tensioning plate
  • FIG. 62 is a detail view of the screw and collar
  • FIG. 63 is a detail view of the tensioning plate in tension .
  • the present invention is an apparatus and method for terminating a controlled-impedance cable that minimizes detrimental electrical effects of the termination by using a compliant or compressible contact element at the point of termination.
  • impedance With the present invention, impedance
  • invention can be used with any cable structure where the impedance between the inner conductor (s) and the ground shield is controlled.
  • the present invention increases the density at which the controlled-impedance cables can be used. That is, with the present invention, more cables can be terminated in a given amount of space than with terminations of the prior art. Further, the interface between the components of the present invention may not require through-hole mounting, which may further enhance density capability.
  • the present invention calls for proper dressing of the cable end so that small, compliant contacts can be used for separably interconnecting the controlled-impedance cables to whatever electrical device the user desires.
  • a prime example is connecting two printed circuit boards which must
  • the present invention includes a cable terminator 10 that employs compliant electrical
  • control-impedance cable hereinafter, simply “cable" 30 and another device 2, typically an integrated circuit (IC) or a printed circuit board (PCB) .
  • IC integrated circuit
  • PCB printed circuit board
  • the cable termination assembly 8 is removably attached to the electrical device 2 by a compression force 22 in a direction of compression 24.
  • jack screws 26 provide the compression force 22. Jack screws 26 may not compress the assembly 8 and the electrical device 2 together linearly.
  • Compliant contacts 12, 14 facilitate an adequate connection between the cables 30 and the electrical device 2, compensating for
  • the present invention is for use with controlled- impedance cables having one or more center conductors.
  • a coaxial cable 30 has a center conductor 32 surrounded by a dielectric 34 with a ground reference shield 36 outside the dielectric 34.
  • a sheath 38 covers the shield 36.
  • a twin-axial cable 30 has two center conductors 32 surrounded by a dielectric 34 with a ground reference shield 36 outside the dielectric 34 and a sheath 38 covering the shield 36. Cables with more than two center conductors are available.
  • the present invention can be adapted to accommodate cables having more than two center conductors.
  • the terminator 10 of the present invention has several embodiments. Each embodiment includes an anchor block 16 for securing the cable 30, one or more compliant signal contacts 12 for making the electrical connection between the cable center conductor (s) 32 and the electrical device 2, optional compliant ground contacts 14 for making the electrical connection between the cable shield 36 and the ground plane of the device 2, and a plate 18 mounted to the anchor block 16 that holds the contacts 12, 14.
  • the anchor block 16 is conductive and provides a common ground for the cables 30, as in FIG. 5.
  • the ground shields 36 of all of the cables 30 are
  • the present invention contemplates several different methods to
  • the ground shield 36 may be soldered into a hole 40 in anchor block 16.
  • the cable sheath 38 is stripped back at least the length of the anchor block hole 40.
  • the cable 30 is inserted into the hole 40 up to the end of the sheath 38 and the shield 36 is soldered to the anchor block 16.
  • the cable 30 may be crimped into the anchor block hole 40. After the sheath 38 is stripped back, the cable 30 is inserted into the hole 40.
  • the hole 40 may have the path through which the cable 30 runs geometrically altered after insertion of the cable 30 to a point where the size of the path is smaller than the size of the cable 30, thereby anchoring the cable 30 to the anchor block 16 and electrically connecting the shield 36 to the anchor block 16.
  • the cable ends 136 and the anchor block face 20 may need to be polished and planarized by some mechanical means, such as by milling, grinding, or sanding, in order to make sure that the cable center conductor 32 is positioned at a known depth with respect to the anchor block face 20, in this case flush with the anchor block face 20.
  • the cable ends 136 and face 20 may also require noble metal plating to prevent the polished surface from oxidizing or otherwise degrading so as to inhibit acceptable electrical connection to the center conductor 32 and the anchor block 16.
  • FIGS. 8 and 9 Methods of removably attaching the cable 30 to the anchor block 16 are shown in FIGS. 8 and 9. These methods permit replacement of individual cables 30 so the entire assembly does not have to be replaced.
  • the first method calls for attaching a ferrule at or near the end of the cable 30 for dressing the cable end.
  • the sheath 38 is stripped back and a threaded ferrule 134 is slipped over the shield 36.
  • the ferrule 134 is attached to the cable by soldering, crimping, or other mechanical means that electrically couples the ferrule 134 to the shield 36.
  • the cable end 136 is then dressed by polishing so as to achieve a flat surface on the cable end 136.
  • the ferrule 134 is then threaded into a threaded hole 138 in the anchor block 16 until the center conductor 32 is pressed to the signal contact 12 in order to produce an electrical connection between the center conductor 32 and the signal contact 12.
  • the anchor block 16 has two parts 140, 142.
  • the top part 140 has the threaded hole 138 into which the ferrule 13 is threaded.
  • the bottom part 142 is for precisely aligning the cable end 136 so that the center conductor 32 is directly over the signal contact 12. This method can be use for precisely terminating individual cable on very tight pitch as in 1 mm or less spacing between cable center conductors 32.
  • the second method of removably attaching the cable 30 to the anchor block 16 calls for the use of a twist-lock
  • a twist-lock component 302 is slipped over the cable 30 such that the component 302 can slide freely over the cable 30.
  • a coil spring 304 is slipped over the cable 30. After the sheath 38 is stripped back, a ferrule 306 is attached to the shield 36 by
  • the cable end 308 is then dressed by polishing so as to achieve a flat surface on the cable end 308.
  • the cable end 308 is inserted into a hole 310 in the anchor block 16. Protrusions 312 from the twist-lock
  • the anchor block 16 is
  • the anchor block 16 is composed of a nonconductive material.
  • the cable sheath 38 is stripped back and an electrically-conductive ferrule 330 is slipped over the shield 36.
  • the ferrule 330 is attached to the cable by soldering, crimping, or other mechanical means that electrically couples the ferrule 330 to the shield 36.
  • the cable end 332 is then dressed by polishing so as to achieve a flat surface on the cable end 332.
  • the ferrule 330 is then inserted into a hole 334 in the anchor block 16 until the center conductor 32 is pressed to the signal contact 12 and the ferrule 330 is pressed against the ground contacts 14.
  • the present invention contemplates a number of different ways for the ferrule/cable assembly to be retained in the anchor block 16. Two such methods are described above with reference to removable cables and FIGS. 8 and 9. The first uses a threaded attachment and the second uses a twist-lock attachment.
  • Another method is via a press fit.
  • the side 340 of the ferrule 330 is knurled or otherwise roughened.
  • the ferrule/cable assembly is forced into the hole 334, which is slightly smaller, until the cable end 332 is flush with the block face 338.
  • the ferrule 330 has an annular ridge 342 either at the end 344 of the ferrule 330 or away from the end 344, as in FIG. 11.
  • the anchor block 16 has two sections, a bottom section 346 and a top section 348.
  • the upper end of the hole 334 in the bottom section 346 has an annular groove 352.
  • the block top section 348 is installed on the bottom section 346 and attached via screws, clips, or any other acceptable method.
  • the top section 348 captures the
  • the ridge 342 and groove 352 can be keyed to prevent the ferrule/cable assembly from rotating in the hole 334.
  • the cable end may not be exactly flush with the anchor block face 20, that is, it may be slightly recessed into or
  • That recession or protrusion can be as much as 0.05 inch.
  • the anchor block 16 is generally a rectangular solid where the cables 30 are
  • FIG. 13 shows an angled anchor block 16 where the cables 30 are at an angle to the anchor block face 20.
  • FIG. 14 shows a parallel anchor block 16 that can be used with a device edge attachment.
  • FIG. 15 shows a generic right angle anchor block 16 where the cables 30 bends through 90°.
  • FIG. 16 shows a right angle anchor block 16 with a strain relief.
  • the anchor block 16 has a base 280 that is composed of a conductive or non- conductive, generally rigid material.
  • the cable 30 rests in a channel 284 in the base 280.
  • a cover 282 that is composed of a conductive or non-conductive, relatively rigid material is attached to the base 280.
  • the manner of attachment depends on the base and cover materials. For example, if the base 280 and cover 282 are both metallic, the attachment can be by screws. If the base 280 and cover 282 are both
  • the attachment can be the cover 282 snapping onto the base 280 with tabs and slots.
  • the channel 284 has a bend 286 that provides strain relief when the base 280 and cover 282 are assembled.
  • the anchor block 16 can have any shape that works for a particular application.
  • Example compliant contacts for use with the present invention include spring probes, electrically-conductive rubber contacts, fuzz button contacts, stamped metal
  • a typical spring probe consists of a hollow barrel with a spring and one or two plungers.
  • the spring is housed in the barrel with the end of the plungers crimped in opposed open ends of the barrel at the ends of the spring. The spring biases the plungers outwardly, thereby providing a spring force to the tip of the plungers.
  • Conductive elastomer bumps are made of rubber and/or silicones of varying types with embedded conductive metal elements.
  • the elastomer bump can work when the device conduction point is elevated off the device, thus sometimes requiring a protruding feature from the device or the addition of a third conductive element to the system to act as a protruding member.
  • the contact can be made of a single sheet of anisotropic conductive elastomer which is an elastomeric sheet that only conducts electricity through its thickness.
  • a fuzz button is a wire that is crumpled into a cylindrical shape. The resulting shape looks very much like tiny cylinder made of steel wool. When the cylinder is placed within a hole in a sheet of nonconductive material, it acts like a spring that is continuously electrically shorted. Like elastomer bumps, the fuzz button can be used with a third element needed to reach inside the hole of the
  • the skewed coil contact includes a coil of
  • conductive, inherently elastic wire with a pair of oppositely extending leads.
  • the leads extend in a direction angled from the coil axis. During compression, the coil loops are electrically shorted together while they slide along each other .
  • the figures illustrate the use of skewed coil contacts, fuzz button contacts, conductive rubber contacts, and stamped metal or a chemically etched contacts.
  • the plate 18 holds the contacts 12, 14.
  • the structure of the plate 18 depends on the type of contact. Regardless of the type of contact, the plate 18 has several common features. These features are shown in FIG. 12 with reference to the skewed coil contact as a signal contact 12, but apply to all types of contacts as well as the ground contacts 14.
  • the plate 18 has a face surface 170 that abuts the anchor block face 20 when the terminator 10 is assembled.
  • the plate 18 has a device surface 172 that generally abuts the device 2 when the terminator 10 is connected to the device 2.
  • the plate 18 has at least one through aperture 174 for the contacts 12, 14.
  • the apertures are either signal apertures or ground apertures, depending on the type of signal that is carried in the contact in that aperture.
  • Each aperture 174 has an anchor block face opening 176 and a device face opening 178.
  • the signal apertures for the signal contacts 12 are aligned with the corresponding cable hole 40 in the anchor block 16.
  • the anchor block contact point 180 of the contact 12 Prior to assembling the plate 18 to the anchor block 16, the anchor block contact point 180 of the contact 12 extends from the anchor block face opening 176.
  • the device contact point 182 of the contact 12 Prior to connecting the terminator 10 to the device 2, the device contact point 182 of the contact 12 extends from the device face opening 178.
  • FIGS. 17-41 show configurations of the present invention for a coaxial cable.
  • the center conductor 32 of the cable 30 is connected to the signal conduction point 4 of the
  • the signal contacts 12 are surrounded by a number of ground contacts 14 that connect either the conducting anchor block 16 or the cable ferrule 330 to the device in a pattern that closely mimics the impedance
  • the impedance of the system can be changed by changing the position of the ground contacts 14 with respect to the signal contact 12 or by changing the insulating material, thereby changing the dielectric constant of the material or both.
  • Changing the locations of the ground contacts with respect to the signal contact is like changing the diameter of the ground shield on a coaxial cable from 2.5 mm for 50-ohm cable to 6 mm for 75-ohm cable.
  • the dielectric may be changed so that the lower the
  • ground contacts 14 When there are two or more cables 30 and a conductive anchor block 16, there may be ground contacts 14 that are "shared" between cables 30.
  • the ground contact 14' between the two signal contacts 12 is common to both cables.
  • the common ground contact can also been seen in FIG. 20, where the right side ground contact 14 is between the ground shields 36 of adjacent cables 30.
  • Another example is shown in the twin ⁇ axial structure of FIG. 48, where the ground contacts 14' between the two signal contacts of adjacent cables 30 are common to both cables.
  • the skewed coil contact 42 is captured in a through aperture 44 in the plate 18.
  • the aperture 44 has a larger center section 48 that narrows to a smaller block opening 46b at the side adjacent to the anchor block 16 and to a smaller device opening 46a at the other end.
  • the plate 18 has two mirror image sheets 50 where each sheet 50 has one opening 46a, 46b and a half of the center section 48.
  • the contact 42 is placed in the center section 48 of one sheet 50 and the sheets 50 are sandwiched together to capture the contact 42.
  • the plate 18 has a base sheet 52 with one of the openings 46a and the center section 48 and a top sheet 54 with the other opening 46b.
  • the contact 42 is placed in the center section 48 and the sheets 52, 54 are sandwiched together, capturing the contact 42 within the aperture 44.
  • the length of the contact leads 56 is such that the leads 56 extend from the openings 46a, 46b.
  • FIG. 23 An alternative configuration is shown in FIG. 23. Rather than a wider center section with smaller openings at both ends, the center section 48 extends its full width from the block opening 46b to a smaller device opening 46a on the opposite side of the plate 18 from the anchor block 16.
  • the contact 12, 14 is secured in the plate 18. If all of the apertures 44 are of this design, the plate 18 does not have to have two sheets 50. Since the contacts 12, 14 can be installed from the block opening 46b, the plate 18 can be a single sheet.
  • the contact area between the skewed coil signal contact 12 and the cable center conductor 32 is small. This can cause a capacitive reactance at the interface of the contact leg 56 and the cable center
  • the through aperture 44 is wide for its entire length, as in FIG. 24.
  • Each end has an annular shoulder 60.
  • a pair of conductive bosses 62 with a shoulder 64 fit into the aperture 44, with the shoulders 60, 64 retaining the bosses 62 in the aperture 44.
  • the boss 62 has a through hole 66 that narrows from the center of the aperture 44 to a smaller device opening 46a and a smaller block opening 46a at the ends through which the contact leads 56 extend.
  • the bosses 62 increase the effective area of the contact lead 56.
  • the conductive bosses 62 are shown spaced from each other, that is, they do not touch each other.
  • the conductive bosses 62 are made long enough to touch each other, either around the entire circumference of the aperture 44 or only portions of the circumference, such as with extending fingers. This can alleviate the potential problem of the conductive bosses 62 acting as a capacitive device if the contact 12 does not short them together.
  • any skewed coil contact configuration after the contact 42 is installed, the remaining space of the aperture 44 is filled with a compliant, electrically conductive elastomer that adds resiliency and aids in
  • the fuzz button contact 70 is cylindrical.
  • the plate 18 has a through aperture 72 that is narrower at the center than the ends, as at 74.
  • the contact 70 is forced into the aperture 72.
  • the length of the contact 70 is such that the ends 76 extend from the plate 18.
  • the conductive rubber contact 100 for the signal contact 12 can be cylindrical with a centrally-located annular depression 102.
  • the plate 18 has a through aperture 104 with a centrally-located annular
  • the rubber contact 100 is radially
  • the length of the contact 100 is such that the ends 108 extend from the plate 18.
  • the conductive rubber contact for the ground contact 14 can be of the same structure as the signal contact 12.
  • the conductive rubber contact 112 for the ground contact 14 is circular, surrounding the signal contact 12, as in FIG. 27.
  • the conductive rubber contact 112 has a circular top sheet 114 adjacent to the anchor block 16 and a circular bottom sheet 116 for interfacing to the device 2.
  • the two sheets 114, 116 are electrically connected by a plurality of plugs 118 in through apertures 120 in the plate 18.
  • the number of plugs 118 can vary by application and is typically four or eight spaced evenly around the signal contact 100.
  • each plug 118 has an annular depression 122 that fits into an annular protrusion 124 for retention.
  • the contact 150 is a strip of conductive material in a C shape.
  • the contact 150 can be formed by chemical etching, by stamping and forming, or by any other means practical.
  • the contact 150 is captured in a through aperture 160 in the plate 18.
  • the contact leads 152 extend outwardly of the plate 18, as in FIG. 31.
  • the anchor block 16 is attached to the plate 18, the upper lead 152 deforms toward the plate 18 and into a depression 156, as in FIG. 32, thereby providing electrical contact by the signal contact 12 to the center conductor 32 and by the ground contacts 14 to the anchor block 16.
  • the lower lead 154 deforms toward the plate 18 and into a depression 158.
  • FIGS. 33 and 34 An alternate terminator assembly 10 using the anchor block of FIG. 14 is shown in FIGS. 33 and 34.
  • the compliant contacts 12, 14 fit into apertures 44 in the plate 18.
  • the signal contact 12 presses against the center conductor 32 that has been bisected longitudinally and dressed.
  • the electrical connection 80 between the center conductor 32 and the signal contact 12 and the electrical connection 82 between the anchor block 16 and the ground contacts 14 are compression connections.
  • the plate 18 With the contacts 12, 14 installed in the plate 18, the plate 18 is mounted to the anchor block 16 with mechanical attachments 28, such as screws, rivets, and the like. Installing the plate 18 forces the end of the signal contact 12 against the end of the center conductor 32 and forces the ends of the ground contacts 14 against the anchor block 16.
  • the electrical connection 80 between the center conductor 32 and the signal contact 12 is a solder connection while the electrical connection 82 between the anchor block 16 and the ground contacts 14 is a compression connection .
  • the end of the center conductor 32 is formed into a compliant spring like the skewed coil contact, as at 84.
  • the plate 18 is configured like that of FIG. 23, where the block opening 46b is the same size as the center section 48. The plate 18 is assembled without a signal contact 12 and, when the plate 18 is installed, the end of the center conductor 32 extends through the device opening 46a.
  • the electrical connection 82 between the anchor block 16 and the ground contacts 14 is a
  • the plate 18 can be either insulating or conductive.
  • FIGS. 20-35 show an insulating plate 86.
  • the insulating plate 86 is made of a non-electrically-conductive material, preferably a plastic, so as to not electrically couple the signal contacts 12 and ground contacts 14.
  • a conductive plate 88 shown in FIGS. 36-41, is
  • the conductive plate is composed of a non- conductive material plated with a conductive coating.
  • the conductive plate 88 electrically couples the ground contacts 14, thus providing more precise impedance matching to the signal contact 12.
  • the signal contact 12 is insulated from the conductive plate 88 by an insulating centering plug 90 which prevents the signal contact 12 from electrically shorting to the conductive plate 88.
  • the plug 90 includes the through aperture 44, the device opening 46a, the anchor block opening 46b, and the center section 48.
  • the plug 90 is typically made from an insulating plastic.
  • the plug 90 may be press fit into a through hole 92 in the conductive plate 88 or it may be bonded into the hole 92 with an adhesive.
  • the plug 90 is has two parts 94, each of which fit into one plate sheet 50. Mating shoulders 96, 98 retain the plug parts 94 in the plate sheets 50.
  • FIGS. 39-41 show a configuration where the signal contact aperture 44 is within a conductive boss 190, like that of FIG. 24.
  • the boss 190 is surrounded by an insulating annulus 192 that insulates the conductive boss 190 from the
  • the annulus 192 can be composed of any dielectric material, but a better match can be had if the annulus 192 is composed of the same material as the cable dielectric 34.
  • the signal contact 12 can be insulated from the conductive plate 88 by a non-conductive coating such as powder coating.
  • the signal contact aperture may be made larger such that the coating reduces the aperture size to the appropriate size for use.
  • the impedance of the system can be changed by either changing the thickness of the coating or by changing the coating material, thereby changing the dielectric constant of the material .
  • FIGS. 42-55 show configurations of the present invention for a twin-axial cable.
  • the twin-axial configurations are illustrated using the skewed coil contacts.
  • the present invention contemplates that any of the various available compliant contacts, including those described with reference to the coaxial cable assembly, can be used with twin-axial cables, as well as cables with more than two center
  • the center conductors 32 of the cable 30 are connected to the signal conduction points 4 of the electrical device 2 by the compliant signal contacts 12.
  • the signal contacts 12 are surrounded by a number of ground contacts 14 in a pattern that closely mimics the impedance environment of the cable 30, e.g. 50 ohms, 75 ohms, 85 ohms, or 100 ohms.
  • the impedance of the system can be changed by changing the position of the ground contacts 14 with respect to the signal contact 12 or by changing the insulating material, thereby changing the dielectric constant of the material or both.
  • the plate 18 can be either insulating or conductive.
  • FIGS. 47-49 show an insulating plate 86 and FIGS. 50-55 show a conductive plate 88.
  • the signal contacts 12 are insulated from the conductive plate 88 by an insulating plug 90 which prevents the signal contacts 12 from electrically shorting to the conductive plate 88.
  • the plug 90 has two apertures 44, one for each signal contact 12.
  • the twin-axial cable plug 90 can be anchored by any conceivable means, such as by press fit, as shown in FIG. 52, adhesive, or capture.
  • FIGS. 53-55 show an alternative to the configuration of FIGS. 50-52. This configuration does not use ground
  • a skewed coil contact can be used as the signal contact and a circular conductive rubber contact can be used as the ground contact.
  • the present invention produces a controlled-impedance, compliant cable to device interface which can be less than 1 mm thick (the length of the compliant contacts 12, 14) and mimics the controlled-impedance environment of the cable 30, thereby ensuring the highest possible signal rates through the termination.
  • the present invention can also produce a controlled- impedance device to device interface because the cables 30 can have terminators 10 at both ends.
  • the present specification describes a method and apparatus for assembling cables 202 to the anchor block 200 so that the cables 202 are the same length to within a very small tolerance, on the order of 0.001 inch for cables 202 that are 6 inches long from the cable connector 204 to the block face 206.
  • the present method can be used for cables of any length. Longer cables result in larger tolerances. At a given temperature, a cable length can be controlled to within 0.03% to 0.05% of the cable's overall length.
  • a soldering fixture 210 is used.
  • the fixture includes a frame 212, a connector jig 214, a block jig 216, and legs 218.
  • FIGS. 56-58 illustrate a fixture 210 for use with 16 cables 202 and a rectangular solid anchor block 200 for two rows of cables 202.
  • the fixture 210 can be modified for a different number of cables, different shape anchor block 200, different cable connector 204, different cable length, etc.
  • the frame 212 is generally rectangular and stands
  • the connector jig 214 is mounted to the lower cross piece 222 of the frame 212 inside the frame 212.
  • the block jig 216 is mounted to the upper cross piece 224 of the frame 212 outside of the frame 212.
  • Four legs 218 extend from the bottom corners of the frame 212 in generally
  • the legs 218 are angled from the frame 212 by at least 10° from horizontal so that they prevent the frame 212 from falling over but allow the user to tilt the frame 212.
  • the preferred angle is about 20° so that the frame can be tilted between 70°, 90°, and 110° from vertical to facilitate use, as described below.
  • the present invention contemplates that the angle of the legs 218 can vary from application to application.
  • the fixture 210 locks the connector 204 of each cable 202 at a fixed distance away from where the other end of the cable 202 will be soldered to the anchor block 200.
  • the connector jig 214 locks the connectors 204 and can be
  • FIG. 59 shows a portion of a connector jig 214 for locking coaxial connectors.
  • the securement 226 includes a channel 228 with an upper narrow section 230 for the cable 202 and a lower wide section 232 for the connector 204.
  • the narrow section 230 is defined by outwardly extending upper fingers 234.
  • the wide section 232 is defined by outwardly extending lower fingers 236.
  • the cables 202 cannot be secured parallel to each other to achieve equal length.
  • the connector jig 214 locks the connectors 204 in an upwardly open arc 240 so that the cables 202 are the same length to the anchor block 200.
  • the block jig 216 a C-shaped component, is secured by screws 250 to the top surface 244 of the upper cross piece 224 of the frame 212, straddling a C- shaped cutout 246.
  • the anchor block 200 is secured by screws 242 to the block jig 216 such that the anchor block face 206 is up and straddles the cutout 246, which provides access to the cable holes 248 in the anchor block 200.
  • a tensioning plate 252 is mounted to the upper cross piece 224. There are threaded holes 254 at each end of the tensioning plate 252 into which the jack screws 256 are threaded. The tensioning plate 252 is placed over the anchor block face 206 and the jack screws 256 are turned into the holes 254 so that the tensioning plate 252 rests on the anchor block face 206.
  • the tensioning plate 252 has a cable hole 258 for each cable 202 that is aligned with the anchor block cable hole 248 for the same cable 202.
  • the tensioning plate 252 is machined out above the anchor block 200, as at 270, to facilitate access to the face 206.
  • Each cable 202 is trimmed so that it is at least 1.4 inches longer that the assembled length of the cable 202.
  • the cable 202 is stripped at the end so that the length from the connector 204 to the stripped portion remains constant.
  • the non-stripped portion of the cable 202 extends into the anchor block hole 248 approximately 0.06 inches.
  • each cable 202 is fed through the hole 248 in the anchor block 200
  • a coil spring 260 is placed on each cable 202 and a collar 262 is placed over each cable 202 so it touches the spring 260.
  • the spring 260 and collar 202 can be a unified component.
  • a set screw 264 is turned into the collar 262 to tightly secure the collar 262 to the cable 202.
  • the connectors 204 are placed into the corresponding securement 228 and the two jack screws 256 are tightened until the cables 202 have enough tension to be pulled against their securements 226, making sure that the cables 202 are straight between the connector 204 and the anchor block 200 with no kinks or bends.
  • Optional stops 266 prevent the jack screws 256 from being tightened too much. In the illustrated configuration, the stops 266 are spacers 292 on the jack screws 256 between the tensioning plate 252 and the jack screw heads 294, as shown in FIG. 63.
  • the springs 260 independently keep each cable 202 tight so that the distance from the connector 204 anchor block face 206 remains consistent for all of the cables 202.
  • Each cable shield 208 is soldered to the anchor block 200 such that the solder flows into the hole 248.
  • the angled legs 218 allowing the user to tilt the fixture 210 permit easier access to each side of the anchor block 200 for soldering .
  • the jack screws 256 are loosened until tension on the springs 260 is released.
  • the collars 262, springs 260, and tensioning plate 252 are removed.
  • the anchor block 200 is removed from the frame 212 and the connectors 204 are removed from the connector jig 214. The excess cable is cut off.
  • the anchor block face 206 is finished smooth and evenly flat. There are a number of ways known in the art to accomplish this, including sanding, milling, planing, skiving, and broaching. Once the cables 202 are secured in the anchor block 200, any conceivable method can be used to dress the face 206 of the anchor block 200 which achieves the desired surface finish and/or planarity.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Multi-Conductor Connections (AREA)

Abstract

La présente invention a trait à un appareil (10) de terminaison d'un câble à impédance contrôlée (30) utilisant des contacts électriques conformes (12, 14) pour fournir une interface à un autre dispositif (2). Le terminateur (10) comprend un bloc d'ancrage non conducteur (16) servant à fixer le câble (30). Une ferrule conductrice (330) est installée sur le blindage (36) du câble, et l'extrémité (332) du câble est revêtue. L'ensemble ferrule/câble (8) est placé dans un trou traversant (334) du bloc d'ancrage, de telle sorte que l'extrémité (332) du câble soit au niveau de la face (20) du bloc d'ancrage. Une plaque isolante ou conductrice (18) montée sur le bloc d'ancrage (16) maintient le contact de signal (12) qui connecte électriquement le conducteur central (32) au dispositif (2) ainsi que d'éventuels contacts de mise à la terre (14) qui connectent électriquement la ferrule (330) au dispositif (2). Les contacts de mise à la terre (14) entourent le contact de signal (12) selon un modèle qui reproduit fidèlement l'environnement d'impédance du câble (30). Lorsqu'une plaque conductrice (18) est utilisée, le contact de signal (12) est isolé de cette plaque (18) par une fiche de centrage isolante (90) ou un revêtement non conducteur.
PCT/US2014/064216 2014-11-06 2014-11-06 Extrémité de câble à impédance contrôlée utilisant des éléments d'interconnexion conformes WO2016072986A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201480083225.6A CN107078442A (zh) 2014-11-06 2014-11-06 使用顺应性互连元件的控制阻抗电缆终端
PCT/US2014/064216 WO2016072986A1 (fr) 2014-11-06 2014-11-06 Extrémité de câble à impédance contrôlée utilisant des éléments d'interconnexion conformes
JP2017518160A JP2017534142A (ja) 2014-11-06 2014-11-06 対応相互接続要素を使用する被制御インピーダンスケーブル終端部
EP14905418.1A EP3216091A4 (fr) 2014-11-06 2014-11-06 Extrémité de câble à impédance contrôlée utilisant des éléments d'interconnexion conformes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2014/064216 WO2016072986A1 (fr) 2014-11-06 2014-11-06 Extrémité de câble à impédance contrôlée utilisant des éléments d'interconnexion conformes

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WO2020160049A1 (fr) 2019-01-28 2020-08-06 Ardent Concepts, Inc. Terminaisons de câble à impédance contrôlée pour câbles ayant des feuilles de protection conductrices

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Also Published As

Publication number Publication date
EP3216091A1 (fr) 2017-09-13
EP3216091A4 (fr) 2018-07-11
JP2017534142A (ja) 2017-11-16
CN107078442A (zh) 2017-08-18

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