# US 10,374,343 B2 · Electrical connection element for contacting an electrically conductive structure on a substrate > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,374,343 B2 - Document ID: US10374343B2 - Status: Granted - Kind: B2 - Application number: 15/303,729 - Filed: 2015-03-11 - Published: 2017-02-02 - Granted: 2019-08-06 - Earliest claimed: 2014-04-29 - Assignees: Saint-Gobain Glass France; FEW Fahrzeugelektrik Werk GmbH & Co. KG - Applicants: Saint-Gobain Glass France; Few Fahrzeugelektrik Werk GmbH & Co. KG - Inventors: Klaus Schmalbuch; Mitja Rateiczak; Bernhard Reul; Bjoern Schneider - Web page: https://patentgrep.com/patent/US10374343B2 ## CPC - H01R 12/718: {Contact members provided on the PCB without an insulating housing (contacts for abutting H01R12/714)} - H01R 4/06: Riveted connections (by explosion H01R4/08) - H01R 12/57: surface mounting terminals - H01R 13/2442: {with a single cantilevered beam} - H01R 43/205: {with a panel or printed circuit board} - H05B 3/84: Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields - H01R 4/62: Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors (H01R4/68 takes precedence) - H01R 2201/02: for antennas - H01R 2201/26: for vehicles - H05B 2203/016: Heaters using particular connecting means - H05B 2203/017: Manufacturing methods or apparatus for heaters - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL ## Abstract An electrical connection element for the electrical contacting of an electrically conductive structure on a substrate is described. The electrical connection element has at least two solid subelements made from different materials, the first subelement being adapted for soldering to the electrically conductive structure, and the second subelement being adapted for connection to an electrical connection cable. The first subelement and the second subelement are connected to one another by way of at least one rivet. ## Claims ### Claim 1 A pane with at least one electrical connection element, comprising: a substrate; an electrically conductive structure on a region of the substrate; and at least one electrical connection element, comprising at least two first subelements, and a second subelement made from a material different than a material of the first subelement, wherein: each of the two first subelements is connected via a lead-free soldering compound to a region of the electrically conductive structure, a difference between a coefficient of thermal expansion of the substrate and a coefficient of thermal expansion of each of the two first subelements is less than 5×10−6/° C., the second subelement comprises two foot regions and a bridging region arranged therebetween, each of the two first subelements is implemented as a flat plate, each of the two first subelements is arranged on an underside of a respective one of the two foot regions between the second subelement and the substrate, in an installed state of the pane, the second subelement is connected to an electrical connection cable, each the two first subelements and the second subelement are connected to one another by at least one rivet, each of the two first subelements comprises a depression region on a soldering face of said subelement, and the depression region comprises a hole through which the at least one rivet is guided. ### Claim 2 (depends on 1) The pane according to claim 1, wherein a difference between a melting temperature of the material of the at least two first subelements and a melting temperature of the material of the second subelement is greater than 200° C. ### Claim 3 (depends on 1) The pane according to claim 1, wherein the at least two first subelements contain at least one iron-containing alloy. ### Claim 4 (depends on 1) The pane according to claim 1, wherein the second subelement contains copper or a copper-containing alloy. ### Claim 5 (depends on 1) The pane according to claim 1, wherein the at least one rivet contains one or more of: a) copper, b) brass, c) bronze, d) steel, e) aluminum alloys, and f) titanium. ### Claim 6 (depends on 1) The pane according to claim 1, wherein a thickness of the material of the at least two first subelements and a thickness of the material of the second subelement is from 0.1 to 4 mm. ### Claim 7 (depends on 1) The pane according to claim 1, wherein the second subelement is connected to an electrical connection cable. ### Claim 8 (depends on 1) The pane according to claim 1, wherein the substrate contains glass. ### Claim 9 (depends on 1) The pane according to claim 1, wherein the electrically conductive structure contains silver, and has a layer thickness from 5 μm to 40 μm. ### Claim 10 (depends on 1) The pane according to claim 1, wherein a difference between a melting temperature of the material of the at least two first subelements and a melting temperature of the material of the second subelement is greater than 300° C. ### Claim 11 (depends on 1) The pane according to claim 1, wherein a difference between a melting temperature of the material of the at least two first subelements and a melting temperature of the material of the second subelement is greater than 400° C. ### Claim 12 (depends on 1) The pane according to claim 1, wherein the at least one rivet contains copper or a copper-containing alloy. ### Claim 13 (depends on 1) The pane according to claim 1, wherein the at least one rivet is implemented in one piece with a first subelement of the at least two first subelements. ### Claim 14 (depends on 1) The pane according to claim 1, wherein a thickness of the material of the at least two first subelements and a thickness of the material of the second subelement is from 0.2 mm to 2 mm. ### Claim 15 (depends on 1) The pane according to claim 1, wherein a thickness of the material of the at least two first subelements and a thickness of the material of the second subelement is from 0.5 mm to 1 mm. ### Claim 16 (depends on 1) The pane according to claim 1, wherein a difference between a coefficient of thermal expansion of the substrate and a coefficient of thermal expansion of each of the at least two first subelements is less than 3×10−6/° C. ### Claim 17 (depends on 1) The pane according to claim 1, wherein the substrate contains soda lime glass. ### Claim 18 (depends on 1) The pane according to claim 1, wherein the electrically conductive structure contains at least silver particles and glass frits, and has a layer thickness from 5 μm to 40 μm. ### Claim 19 (depends on 1) A method comprising: using the pane according to claim 1 in one or more of: a) buildings, b) means of transportation for travel on land, in the air, or on water, c) rail vehicles or motor vehicles, d) a windshield, e) a rear window, f) a side window, g) a roof panel, h) a heatable pane, and i) a pane with an antenna function. ### Claim 20 (depends on 1) The pane according to claim 1, wherein the depression region of each first subelement of the at least two first subelements is arranged in a middle region of the soldering face of said first subelement. ### Claim 21 (depends on 3) The pane according to claim 3, wherein the at least two first subelements contain at least one chromium-containing steel. ### Claim 22 (depends on 3) The pane according to claim 3, wherein each of the at least two first subelements contains 66.5 wt.-% to 89.5 wt.-% iron, 10.5 wt.-% to 20 wt.-% chromium, 0 wt.-% to 1 wt.-% carbon, 0 wt.-% to 5 wt.-% nickel, 0 wt.-% to 2 wt.-% manganese, 0 wt.-% to 2.5 wt.-% molybdenum, 0 wt.-% to 2 wt.-% niobium, and 0 wt.-% to 1 wt.-% titanium. ### Claim 23 A method for producing a pane with at least one electrical connection element, the method comprising: 1) producing an electrical connection element for electrical contacting of an electrically conductive structure on a substrate through the following steps: a) preparing two first solid subelements and a second solid subelement, wherein: i) the first and second subelements are made of different materials, ii) each of the two first subelements comprises a depression region on a soldering face of said subelement, and the second subelement comprises two foot regions and a bridging region arranged therebetween, and iii) the second subelement for connection to an electrical connection cable, b) arranging the second subelement atop each of the two first subelements, and c) connecting each of the two first subelements to the second subelement by means of a respective rivet that is guided through a hole that is formed in the depression region of each of the two first subelements; 2) applying a lead-free soldering compound on a contact surface of each of the two first subelements of the produced electrical connection element; 3) arranging the produced electrical connection element with the applied lead-free soldering compound on a region of an electrically conductive structure that is applied on a region of a substrate; and 4) connecting the produced electrical connection element to the electrically conductive structure under application of energy, wherein a difference between a coefficient of thermal expansion of the substrate and a coefficient of thermal expansion of each of the two first subelements is less than 5×10−6/° C., wherein each of the two first subelements is arranged on an underside of a respective one of the two foot regions between the second subelement and the substrate, and wherein each of the two first subelements is implemented as a flat plate.