# US 5,704,794 A · Electrical connectors > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 5,704,794 A - Document ID: US5704794A - Status: Granted - Kind: A - Application number: 08/657,413 - Filed: 1996-06-03 - Granted: 1998-01-06 - Earliest claimed: 1986-12-29 - Assignees: Labinal Components and Systems, Inc. - Inventors: Richard J. Lindeman - Web page: https://patentgrep.com/patent/US5704794A ## CPC - H01R 13/2407: {characterized by the resilient means} - H01R 13/33: Contact members made of resilient wire - H01R 13/6585: Shielding material individually surrounding or interposed between mutually spaced contacts - H05K 1/0237: {High frequency adaptations (H05K1/0216 takes precedence)} - H05K 3/325: by abutting or pinching; Mechanical auxiliary parts therefor - H05K 3/368: {parallel to each other (H05K3/361 takes precedence)} - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract Various electrical connectors include conductor elements extending through a support body in parallel insulted relation to one another and to adjacent grounds of very low inductance and resistance. The relationship of the conductor elements to the planar grounds is such as to obtain a characteristic impedance which is the same for all signal paths and which is uniform along the length of each conductor element. ## Claims ### Claim 1 An electrical connector assembly for propagation of electrical signals therethrough between opposite sides of said assembly, comprising: support means having opposite surfaces corresponding to said opposite sides, a plurality of spaced signal-propagating interconnect means extending through said support means between said opposite surfaces thereof and arranged in generally parallel relation to one another for interconnecting circuit components at said opposite sides of said assembly, ground conductor means included in said support means and having portions in adjacent relation to said signal-propagating interconnect means, ground interconnect means for connecting said ground conductor means to ground conductors of said circuit components, and insulating means of dielectric material included in said support means for supporting said signal-propagating interconnect means and in electrically insulated relation to adjacent portions of said ground conductor means to provide each supported signal-propagating interconnect means with an adjacent ground path of very low inductance and resistance to obtain efficient signal propagation between interconnected circuit components and to inhibit the build-up of any potential difference between such interconnected circuit components. ### Claim 2 (depends on 1) An electrical connector assembly as defined in claim 1, wherein the configuration and characteristics of said ground conductor means and said insulating means in relation to all of said signal-propagating conductive interconnect means are such that propagation paths are provided through all of said signal-propagating conductive interconnect means which have characteristic impedances which are the substantially the same. ### Claim 3 (depends on 1) An electrical connector assembly as defined in claim 1, wherein the spacing between each of said signal-propagating interconnect means and an adjacent portion of said ground conductor means is less than the spacing between each said signal-propagating interconnect means and any other of said signal-propagating interconnect means adjacent thereto to minimize signal coupling between each signal-propagating interconnect means and any other signal-propagating interconnect means adjacent thereto. ### Claim 4 (depends on 1) An electrical connector assembly as defined in claim 1, wherein said insulating means includes a member of insulating material having openings therethrough which receive said signal-propagating interconnect means. ### Claim 5 (depends on 4) An electrical connector assembly as defined in claim 4, said ground conductor means being supported by said member of insulating material and including said portions which are in adjacent relation to said signal-propagating interconnect means and additional interconnecting portions which connect all of said portions which are in adjacent relation to said signal-propagating interconnect means. ### Claim 6 (depends on 5) An electrical connector assembly as defined in claim 5, said additional interconnecting portions being on the outside of said member of insulating material and having a layer of insulating material on the outside thereof for preventing direct contact with conductive pads and traces on said circuit boards. ### Claim 7 (depends on 1) An electrical connector assembly as in claim 1, said support means having a plurality of spaced openings extending therethrough between said opposite surfaces thereof and arranged to receive and support said electrically conductive signal propagating interconnect means. ### Claim 8 (depends on 7) An electrical connector assembly as defined in claim 7, said ground interconnect means including means whereby at least one ground opening extends through said support means between said opposite surfaces thereof and is arranged to receive and support resilient and electrical conductive means for effecting a connection between circuit board ground conductors and said ground conductor means. ### Claim 9 (depends on 1) An electrical connector assembly as in claim 1 for propagation of electrical signals between conductive pads of circuit boards, said support means being arranged to be disposed between a pair of said circuit boards with said opposite surfaces of said support means in facing relation to opposed surfaces of said circuit boards having said conductive pads thereon, said support means having a plurality of spaced openings extending therethrough between said opposite surfaces thereof and arranged to receive and support said electrically conductive signal-propagating interconnect means, and said signal-propagating interconnect means are resiliently compressible for pressure engagement of opposite ends thereof with conductive pads of said circuit boards. ### Claim 10 (depends on 9) The connector as in claim 9 wherein said signal-propagating interconnect means include wadded conductor contact elements. ### Claim 11 (depends on 1) The connector as in claim 1 wherein said signal-propagating interconnect means include wadded conductor elements. ### Claim 12 (depends on 1) The connector as in claim 1 wherein said ground interconnect means include wadded conductor elements. ### Claim 13 (depends on 1) The connector as in claim 1 wherein said plurality of spaced signal-propagating interconnect means are arranged in an array in said support means for selectively obtaining a desired pattern of propagation paths between said circuit boards. ### Claim 14 (depends on 1) The connector as in claim 1 wherein said ground conductor means includes a wall portion of conductive material in parallel relation to said signal-propagating interconnect means to provide a ground plane in parallel relation to said signal-propagating interconnect means. ### Claim 15 (depends on 14) The connector as in claim 14 wherein said wall portion is a first wall portion and said connector further comprises a second wall portion of conductive material. ### Claim 16 (depends on 14) The connector as in claim 14 wherein said wall portion is an intermediate wall portion between said signal-propagating interconnect means. ### Claim 17 (depends on 16) The connector as in claim 16, wherein said wall portion is one of a plurality of intermediate wall portions of conductive material disposed in end-to-end relation and insulated from one another but together defining a ground plane of said connector. ### Claim 18 (depends on 14) The connector as in claim 14 wherein said wall portion is on the exterior of said connector. ### Claim 19 (depends on 14) The connector as in claim 14 wherein said signal-propagating means is compressibly resilient. ### Claim 20 (depends on 14) The connector as in claim 14 wherein said signal-propagating interconnect means include wadded conductor contact elements. ### Claim 21 (depends on 8) The connector as in claim 8 wherein said ground interconnect means include wadded conductor contact elements. ### Claim 22 (depends on 8) The connector as in claim 8 wherein said signal-propagating interconnect means include wadded conductor contact elements.