EP3576491A1 - Vitre dotée d'un élément de raccordement électrique - Google Patents

Vitre dotée d'un élément de raccordement électrique Download PDF

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Publication number
EP3576491A1
EP3576491A1 EP19186394.3A EP19186394A EP3576491A1 EP 3576491 A1 EP3576491 A1 EP 3576491A1 EP 19186394 A EP19186394 A EP 19186394A EP 3576491 A1 EP3576491 A1 EP 3576491A1
Authority
EP
European Patent Office
Prior art keywords
connection element
electrically conductive
conductive structure
solder
weight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19186394.3A
Other languages
German (de)
English (en)
Other versions
EP3576491B1 (fr
Inventor
Christoph Degen
Bernhard Reul
Mitja Rateiczak
Andreas Schlarb
Lothar Lesmeister
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saint Gobain Glass France SAS
Original Assignee
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
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 Saint Gobain Glass France SAS, Compagnie de Saint Gobain SA filed Critical Saint Gobain Glass France SAS
Publication of EP3576491A1 publication Critical patent/EP3576491A1/fr
Application granted granted Critical
Publication of EP3576491B1 publication Critical patent/EP3576491B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • H01R4/58—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 characterised by the form or material of the contacting members
    • H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
    • 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
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
    • 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
    • H01R4/02—Soldered or welded connections
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/016—Heaters using particular connecting means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/49128—Assembling formed circuit to base

Definitions

  • the invention relates to a disc with an electrical connection element and an economical and environmentally friendly method for their production.
  • the invention further relates to a disc with an electrical connection element for vehicles with electrically conductive structures such as heating conductors or antenna conductors.
  • the electrically conductive structures are usually connected via soldered electrical connection elements with the on-board electrical system. Due to different thermal expansion coefficients of the materials used, mechanical stresses occur during manufacture and during operation, which can load the disks and cause the disk to break.
  • Lead-containing solders have a high ductility, which can compensate occurring mechanical stresses between the electrical connection element and the disc by plastic deformation.
  • the Directive is collectively referred to as the ELV (End of Life Vehicles).
  • the goal is to eliminate extremely problematic components from the products as a result of the massive expansion of disposable electronics.
  • the substances involved are lead, mercury and cadmium. This includes, among other things, the enforcement of lead-free solders in electrical applications on glass and the introduction of appropriate replacement products for this purpose.
  • EP 1 942 703 A2 discloses an electrical connection element to panes of vehicles, wherein the difference in the coefficients of thermal expansion of the disc and electrical connection element ⁇ 5 x 10 -6 / ° C, the connection element contains predominantly titanium and the contact surface between the connection element and electrically conductive structure is rectangular.
  • the object of the present invention is to provide a disk with an electrical connection element and an economical and environmentally friendly method for the production thereof, wherein critical mechanical stresses in the disk are avoided.
  • the midpoint angle of the segment is from 90 ° to 360 °, preferably from 140 ° to 360 °, for example from 180 ° to 330 ° or from 200 ° to 330 °.
  • the shape of the contact surface between the connection element and the electrically conductive structure preferably has at least two semi-ellipses, particularly preferably two semicircles. Most preferably, the contact surface is formed as a rectangle with two arranged on opposite sides of the semicircles. In an alternative particularly preferred embodiment of the invention, the shape of the contact surface on two circle segments with center angle of 210 ° to 360 °.
  • the shape of the contact surface can also comprise, for example, two segments of an oval, an ellipse or a circle, the center angle being from 180 ° to 350 °, preferably from 210 ° to 310 °.
  • the solder joints form two separate contact surfaces between the connection element and the electrically conductive structure.
  • Each contact surface is arranged on the surface facing the substrate of one of two foot regions of the connection element. The foot areas are connected by a bridge. The two contact surfaces are over the substrate connected face of the bridge connected.
  • the shape of each of the two contact surfaces has at least one segment of an oval, an ellipse or a circle with a center angle of 90 ° to 360 °, preferably from 140 ° to 360 °.
  • Each contact surface may have an oval, preferably an elliptical structure. Particularly preferably, each contact surface is formed as a circle.
  • each contact surface is preferably formed as a circular segment with a center angle of at least 180 °, particularly preferably at least 200 °, very particularly preferably at least 220 °, and in particular at least 230 °.
  • the circular segment may for example have a midpoint angle of 180 ° to 350 °, preferably from 200 ° to 330 °, particularly preferably from 210 ° to 310 °.
  • each contact surface is configured as a rectangle with two half-oval, preferably semi-ellipses, particularly preferably semi-circles arranged on opposite sides.
  • the electrical connection element is electrically connected to a solder mass on portions with the electrically conductive structure.
  • connection element is connected to the electrically conductive structure by soldering, for example resistance soldering, via the contact surface or the contact surfaces.
  • soldering for example resistance soldering
  • two solder electrodes are used, each solder electrode being brought into contact with a solder joint of the terminal.
  • a current flows from a soldering electrode via the connecting element to the second soldering electrode.
  • the contact between the soldering electrode and the connecting element preferably takes place over as small an area as possible.
  • the solder electrodes are designed as tips.
  • the small contact surface causes a high current density in the region of the contact between soldering electrode and connecting element. The high current density leads to a heating of the contact area between the soldering electrode and the connection element.
  • connection element is preferably connected to the electrically conductive structure via a rectangular contact surface.
  • a rectangular contact surface temperature differences occur during the soldering process due to the heat distribution propagating from the solder joints.
  • regions of the contact surface may exist in which the soldering material is not completely melted. These areas lead to poor adhesion of the connection element and to mechanical stresses in the pane.
  • the advantage of the invention lies in the shape of the contact surface or the contact surfaces between the connection element and the electrically conductive structure.
  • the shape of the contact surfaces is rounded at least in a predominant region of the edges and preferably has circles or circle segments.
  • the shape of the contact surfaces approximates the shape of the heat distribution around the solder joints during the soldering process. Therefore, no or only slight temperature differences occur along the edges of the contact surfaces during the soldering process. This leads to a uniform melting of the solder mass in the entire region of the contact surfaces between the connection element and the electrically conductive structure.
  • This is particularly advantageous with regard to the adhesion of the connection element, the shortening of the duration of the soldering process and the avoidance of mechanical stresses in the pane.
  • a lead-free solder mass which can compensate less well due to their lower ductility compared to lead-containing solder masses mechanical stresses, there is a particular advantage.
  • connection elements are in the plan view, for example, preferably 1 mm to 50 mm long and wide and more preferably 2 mm to 30 mm long and wide and most preferably 2 mm to 8 mm wide and 10 mm to 24 mm long.
  • two contact surfaces interconnected by a bridge are preferably 1 mm to 15 mm long and wide, and more preferably 2 mm to 8 mm long and wide.
  • the solder mass emerges with an exit width of ⁇ 1 mm from the gap between the connection element and the electrically conductive structure.
  • the maximum exit width is preferably less than 0.5 mm and in particular about 0 mm. This is particularly advantageous in terms of reducing mechanical stresses in the disc, the adhesion of the terminal element and the saving of the solder.
  • the maximum exit width is defined as the distance between the outer edges of the connection element and the point of Lotmasseübertritts, at which the solder mass falls below a layer thickness of 50 microns. The maximum exit width is measured after the soldering process on the solidified solder mass.
  • a desired maximum exit width is achieved by a suitable choice of Lotmassenvolumen and perpendicular distance between the connection element and electrically conductive structure, which can be determined by simple experiments.
  • the vertical distance between the connection element and the electrically conductive structure can be predetermined by a corresponding process tool, for example a tool with an integrated spacer.
  • the maximum exit width may also be negative, that is to say retracted into the intermediate space formed by the electrical connection element and the electrically conductive structure.
  • the maximum exit width in the intermediate space formed by the electrical connection element and the electrically conductive structure is withdrawn in a concave meniscus.
  • a concave meniscus is created by increasing the perpendicular distance between the spacer and conductive structure during the soldering process while the solder is still liquid.
  • the bridge between two foot areas of the connecting element according to the invention is preferably shaped in sections plan.
  • the bridge consists of three planar sections.
  • Plan means that the bottom of the connection element forms a plane.
  • the angle between the surface of the substrate and the underside of each directly to a foot region adjacent planar portion of the bridge is preferably ⁇ 90 °, more preferably between 1 ° and 85 °, most preferably between 2 ° and 75 ° and in particular between 3 ° and 60 °.
  • the bridge is shaped such that each planar section adjoining a foot region is inclined in the direction away from the immediately adjacent foot region.
  • the advantage lies in the effect of the capillary effect between the electrically conductive structure and the sections of the bridge adjacent to the contact surfaces.
  • the capillary effect is a consequence of the small distance between the electrically conductive structure and the sections of the bridge adjacent to the contact surfaces. The small distance results from the angle ⁇ 90 ° between the surface of the substrate and the bottom of each directly to a foot area adjacent planar portion of the bridge.
  • the desired distance between the connection element and the electrically conductive structure is set after the melting of the solder mass. Excess solder mass is controlled by the capillary effect in the sucked by the bridge and the electrically conductive structure volume. Characterized the Lotmasseübertritt is reduced at the outer edges of the connecting element and thus the maximum exit width. Thus, a reduction of the mechanical stresses in the disc is achieved.
  • edges of the contact surfaces to which the bridge is connected are not outer edges of the connection element.
  • the cavity defined by the electrically conductive structure and the bridge may be completely filled with solder.
  • the cavity is not completely filled with solder mass.
  • the bridge is curved.
  • the bridge can have a single direction of curvature.
  • the bridge preferably has the profile of an oval arc, particularly preferably the profile of an elliptical arc and very particularly preferably the profile of a circular arc.
  • the radius of curvature of the circular arc is for example preferably from 5 mm to 15 mm with a length of the connecting element of 24 mm.
  • the direction of curvature of the bridge can also change.
  • the bridge can also consist of at least two sub-elements, which are in direct contact with each other.
  • the projection of the bridge into the plane of the substrate surface may also be curved.
  • the direction of curvature changes in the bridge center.
  • the bridge does not have to have a constant width.
  • each of the two solder joints is arranged on a contact survey.
  • the contact elevations are arranged on the surface of the connection element facing away from the substrate.
  • the contact surveys contain preferably the same alloy as the connection element.
  • Each contact elevation is preferably formed convexly curved at least in the area facing away from the surface of the substrate.
  • Each contact elevation is formed, for example, as a segment of an ellipsoid of revolution or as a spherical segment.
  • the contact elevation can be formed as a cuboid, wherein the surface facing away from the substrate is convexly curved.
  • the contact elevations preferably have a height of 0.1 mm to 2 mm, particularly preferably of 0.2 mm to 1 mm.
  • the length and width of the contact elevations is preferably between 0.1 and 5 mm, very particularly preferably between 0.4 mm and 3 mm.
  • the contact elevations can be designed as embossments.
  • the contact elevations can be formed integrally with the connection element in an advantageous embodiment.
  • the contact elevations can be formed, for example, by forming a connecting element with a flat surface in the initial state on the surface, for example by embossing or deep drawing. In this case, a corresponding depression can be produced on the contact elevation opposite surface of the connection element.
  • the contact side is formed flat.
  • the electrode surface is brought into contact with the contact elevation.
  • the electrode surface is arranged parallel to the surface of the substrate.
  • the point on the convex surface of the contact elevation having the greatest perpendicular distance to the surface of the substrate is disposed between the electrode surface and the surface of the substrate.
  • the contact area between the electrode surface and contact elevation forms the solder joint.
  • the position of the solder joint is preferably determined by the point on the convex surface of the contact elevation, which has the greatest vertical distance from the surface of the substrate.
  • the position of the solder joint is independent of the position of the soldering electrode on the connecting element. This is particularly advantageous in terms of a reproducible, even heat distribution during the soldering process.
  • the heat distribution during the soldering process is determined by the position, the size, the arrangement and the geometry of the contact elevation.
  • At least two spacers are arranged on each of the contact surfaces of the connecting element.
  • the spacers preferably contain the same alloy as the connection element.
  • Each spacer is formed for example as a cube, as a pyramid, as a segment of an ellipsoid of revolution or as a spherical segment.
  • the spacers preferably have a width of 0.5 ⁇ 10 -4 m to 10 ⁇ 10 -4 m and a height of 0.5 ⁇ 10 -4 m to 5 ⁇ 10 -4 m, particularly preferably of 1x 10 -4 m to 3 x 10 -4 m.
  • the spacers may be formed integrally with the connection element.
  • the spacers can be formed, for example, by forming a connecting element with flat initial contact surfaces on the contact surface, for example by embossing or deep drawing. In this case, a corresponding depression can be produced on the surface of the connection element which is opposite the contact surface.
  • solder mass Through the contact elevations and the spacers a homogeneous, uniformly thick and uniformly melted layer of the solder mass is achieved. As a result, mechanical stresses between the connection element and the disc can be reduced. This is particularly advantageous in the use of lead-free solder masses, which can compensate less well for mechanical stresses due to their lower ductility compared to lead-containing solder masses.
  • the substrate preferably contains glass, particularly preferably flat glass, float glass, quartz glass, borosilicate glass, soda-lime glass.
  • the substrate contains polymers, particularly preferably polyethylene, polypropylene, polycarbonate, polymethyl methacrylate and / or mixtures thereof.
  • the substrate has a first thermal expansion coefficient.
  • the connection element has a second thermal expansion coefficient.
  • the first thermal expansion coefficient is preferably from 8 ⁇ 10 -6 / ° C to 9 ⁇ 10 -6 / ° C.
  • the substrate preferably contains glass, which preferably has a thermal expansion coefficient of 8.3 ⁇ 10 -6 / ° C. to 9 ⁇ 10 -6 / ° C. in a temperature range from 0 ° C. to 300 ° C.
  • the connecting element according to the invention preferably contains at least one iron-nickel alloy, an iron-nickel-cobalt alloy or an iron-chromium alloy.
  • the connecting element according to the invention preferably contains at least 50 wt .-% to 89.5 wt .-% iron, 0 wt .-% to 50 wt .-% nickel, 0 wt .-% to 20 wt .-% chromium, 0 wt.
  • the second coefficient of thermal expansion is preferably from 0.1 ⁇ 10 -6 / ° C. to 4 ⁇ 10 -6 / ° C., particularly preferably from 0.3 ⁇ 10 -6 / ° C. to 3 ⁇ 10 -6 / ° C. in a temperature range from 0 ° C to 300 ° C.
  • the connecting element according to the invention preferably contains at least 50% by weight to 75% by weight of iron, 25% by weight to 50% by weight of nickel, 0% by weight to 20% by weight of cobalt, 0% by weight. up to 1.5% by weight of magnesium, 0% by weight to 1% by weight of silicon, 0% by weight to 1% by weight of carbon and / or 0% by weight to 1% by weight of manganese ,
  • the connecting element according to the invention preferably contains chromium, niobium, aluminum, vanadium, tungsten and titanium in a proportion of 0 wt .-% to 1 wt .-%, molybdenum in a proportion of 0 wt .-% to 5 wt .-% and production-related additions.
  • the connecting element according to the invention preferably contains at least 55% by weight to 70% by weight of iron, 30% by weight to 45% by weight of nickel, 0% by weight to 5% by weight of cobalt, 0% by weight. up to 1% by weight of magnesium, 0% by weight to 1% by weight of silicon and / or 0% by weight to 1% by weight of carbon.
  • connection element according to the invention preferably contains Invar (FeNi).
  • Invar is an iron-nickel alloy containing, for example, 36% by weight nickel (FeNi36). It is a group of alloys and compounds which have the property of having abnormally small or sometimes negative coefficients of thermal expansion in certain temperature ranges. Fe65Ni35 Invar contains 65% by weight iron and 35% by weight nickel. Up to 1% by weight of magnesium, silicon and carbon are usually alloyed to alter the mechanical properties. By alloying 5 wt .-% cobalt, the thermal expansion coefficient can be further reduced. One designation for the alloy is Inovco, FeNi33Co4.5 with an expansion coefficient (20 ° C to 100 ° C) of 0.55 x 10 -6 / ° C.
  • the difference between the first and the second coefficient of expansion is ⁇ 5 ⁇ 10 -6 / ° C.
  • the small difference between the first and second coefficients of thermal expansion avoids critical stresses in the disk and provides better adhesion.
  • the second coefficient of thermal expansion is preferably from 4 ⁇ 10 -6 / ° C. to 8 ⁇ 10 -6 / ° C., more preferably from 4 ⁇ 10 -6 / ° C. to 6 ⁇ 10 -6 / ° C. in a temperature range from 0 ° C to 300 ° C.
  • the connecting element according to the invention preferably contains at least 50% by weight to 60% by weight of iron, 25% by weight to 35% by weight of nickel, 15% by weight to 20% by weight of cobalt, 0% by weight. to 0.5 wt .-% silicon, 0 wt .-% to 0.1 wt .-% carbon and / or 0 wt .-% to 0.5 wt .-% manganese.
  • the connecting element according to the invention preferably contains Kovar (FeCoNi).
  • Kovar is an iron-nickel-cobalt alloy that has thermal expansion coefficients of usually about 5 x 10 -6 / ° C. The thermal expansion coefficient is thus lower than the coefficient of typical metals.
  • the composition contains, for example, 54% by weight of iron, 29% by weight of nickel and 17% by weight of cobalt.
  • Kovar is therefore used as a housing material or as a submount. Submounts lie on the sandwich principle between the actual carrier material and the material with usually much larger expansion coefficient.
  • Kovar thus serves as a compensating element, which absorbs and reduces the caused by the different thermal expansion coefficients of the other materials thermo-mechanical stresses.
  • Kovar uses metal-to-glass penetrations of electronic components and material junctions in vacuum chambers.
  • the connecting element according to the invention preferably contains thermally treated iron-nickel and / or iron-nickel-cobalt alloys by annealing.
  • the difference between the first and the second expansion coefficient is also ⁇ 5 x 10 -6 / ° C.
  • the second thermal expansion coefficient is preferably from 9 ⁇ 10 -6 / ° C. to 13 ⁇ 10 -6 / ° C., particularly preferably from 10 ⁇ 10 -6 / ° C. to 11.5 ⁇ 10 -6 / ° C. in one Temperature range from 0 ° C to 300 ° C.
  • the connecting element according to the invention preferably contains at least 50% by weight to 89.5% by weight of iron, 10.5% by weight to 20% by weight of chromium, 0% by weight to 1% by weight of carbon, 0 Wt .-% to 5 wt .-% nickel, 0 wt .-% to 2 wt .-% manganese, 0 wt .-% to 2.5 wt .-% molybdenum and / or 0 wt .-% to 1 wt .-% titanium.
  • the connection element may additionally contain admixtures of other elements, including vanadium, aluminum, niobium and nitrogen.
  • the connecting element according to the invention may also comprise at least 66.5% by weight to 89.5% by weight of iron, 10.5% by weight to 20% by weight of chromium, 0% by weight to 1% by weight of 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 / or 0 wt .-% to 1 wt .-% titanium.
  • the connecting element according to the invention preferably contains at least 65% by weight to 89.5% by weight of iron, 10.5% by weight to 20% by weight of chromium, 0% by weight to 0.5% by weight of carbon , 0 wt .-% to 2.5 wt .-% nickel, 0 wt .-% to 1 wt .-% manganese, 0 wt .-% to 1 wt .-% molybdenum and / or 0 wt .-% bis 1% by weight of titanium.
  • the connecting element according to the invention may also comprise at least 73% by weight to 89.5% by weight of iron, 10.5% by weight to 20% by weight of chromium, 0% by weight to 0.5% by weight of carbon , 0 wt .-% to 2.5 wt .-% nickel, 0 wt .-% to 1 wt .-% manganese, 0 wt .-% to 1 wt .-% molybdenum, 0 wt .-% to 1 wt .-% niobium and / or 0 wt .-% to 1 wt .-% titanium.
  • the connecting element according to the invention preferably contains at least 75% by weight to 84% by weight of iron, 16% by weight to 18.5% by weight of chromium, 0% by weight to 0.1% by weight of carbon, 0 Wt .-% to 1 wt .-% manganese and / or 0 wt .-% to 1 wt .-% of titanium.
  • the connecting element according to the invention may also contain at least 78.5% by weight to 84% by weight of iron, 16% by weight to 18.5% by weight of chromium, 0% by weight to 0.1% by weight of carbon , 0 wt .-% to 1 wt .-% manganese, 0 wt .-% to 1 wt .-% of niobium and / or 0 wt .-% to 1 wt .-% titanium.
  • the connecting element according to the invention preferably contains a chromium-containing steel with a chromium content of greater than or equal to 10.5% by weight and a thermal expansion coefficient of 9 ⁇ 10 -6 / ° C. to 13 ⁇ 10 -6 / ° C.
  • Other alloying constituents such as molybdenum, manganese or niobium lead to improved corrosion resistance or altered mechanical properties, such as tensile strength or cold workability.
  • connection elements made of chromium-containing steel compared to connection elements according to the prior art made of titanium lies in the better solderability. It results from the higher thermal conductivity of 25 W / mK to 30 W / mK compared to the thermal conductivity of titanium of 22 W / mK.
  • the higher thermal conductivity leads to a more uniform heating of the connection element during the soldering process, whereby the punctiform formation of hot spots ("hot spots”) is avoided. These points are starting points for later damage to the disc. This results in an improved adhesion of the connection element to the disc.
  • Chromium-containing steel is also easy to weld.
  • connection element to the on-board electrical system via an electrically conductive material, for example copper, by welding is possible. Due to the better cold workability, the connection element can also be better crimped with the electrically conductive material. Chromium-containing steel is also better available.
  • the electrically conductive structure according to the invention preferably has a layer thickness of 5 .mu.m to 40 .mu.m, particularly preferably from 5 .mu.m to 20 .mu.m, very particularly preferably from 8 .mu.m to 15 .mu.m and in particular from 10 .mu.m to 12 .mu.m.
  • the electrically conductive structure according to the invention preferably contains silver, particularly preferably silver particles and glass frits.
  • the layer thickness of the solder according to the invention is preferably ⁇ 3.0 ⁇ 10 -4 m.
  • the solder mass is preferably lead-free, so contains no lead. This is particularly advantageous with regard to the environmental compatibility of the disc with electrical connection element according to the invention. Lead-free solder masses typically have a lower ductility than lead-containing solder masses, so that mechanical stresses between the connection element and the pane can be compensated less well. However, it has been shown that critical mechanical stresses are significantly reduced by the connection element according to the invention.
  • the solder mass according to the invention preferably contains tin and Bismuth, indium, zinc, copper, silver or combinations thereof.
  • the proportion of tin in the solder composition according to the invention is from 3 wt .-% to 99.5 wt .-%, preferably from 10 wt .-% to 95.5 wt .-%, particularly preferably from 15 wt .-% to 60 wt .-%.
  • the proportion of bismuth, indium, zinc, copper, silver or compositions thereof in the solder composition according to the invention from 0.5 wt .-% to 97 wt .-%, preferably 10 wt .-% to 67 wt .-%, wherein the May be amount of bismuth, indium, zinc, copper or silver 0 wt .-%.
  • the solder composition according to the invention may contain nickel, germanium, aluminum or phosphorus in a proportion of 0 wt .-% to 5 wt .-%.
  • the solder composition according to the invention most preferably contains Bi40Sn57Ag3, Sn40Bi57Ag3, Bi59Sn40Ag1, Bi57Sn42Ag1, In97Ag3, Sn95.5Ag3.8Cu0.7, Bi67ln33, Bi33ln50Sn17, Sn77.2ln20Ag2.8, Sn95Ag4Cu1, Sn99Cu1, Sn96.5Ag3.5 or mixtures thereof.
  • the connecting element according to the invention is preferably coated with nickel, tin, copper and / or silver.
  • the connection element according to the invention is particularly preferably provided with an adhesion-promoting layer, preferably of nickel and / or copper, and additionally with a solderable layer, preferably of silver.
  • the connection element according to the invention is very particularly preferably coated with 0.1 ⁇ m to 0.3 ⁇ m nickel and / or 3 ⁇ m to 20 ⁇ m silver.
  • the connection element can be nickel-plated, tin-plated, copper-plated and / or silver-plated. Nickel and silver improve the ampacity and corrosion stability of the terminal and wetting with the solder mass.
  • the iron-nickel alloy, the iron-nickel-cobalt alloy or the iron-chromium alloy can also be welded, crimped or glued as a compensation plate on a connection element made of, for example, steel, aluminum, titanium, copper.
  • a connection element made of, for example, steel, aluminum, titanium, copper.
  • the balance plate is preferably hat-shaped.
  • the electrical connection element contains, on the surface aligned with the solder mass, a coating which contains copper, zinc, tin, silver, gold or alloys or layers thereof, preferably silver. This prevents spreading of the solder mass over the coating and limits the exit width.
  • the shape of the electrical connection element can form solder deposits in the intermediate space of connection element and electrically conductive structure.
  • the solder deposits and wetting properties of the solder on the connection element prevent the exit of the Lot mass from the gap.
  • Lotdepots can be rectangular, rounded or polygonal configured.
  • connection element The distribution of the solder heat and thus the distribution of the solder mass in the soldering process can be defined by the shape of the connection element. Lot mass flows to the warmest point.
  • connection element may have a single or double hat shape in order to advantageously distribute the heat during the soldering process in the connection element.
  • the introduction of the energy in the electrical connection of electrical connection element and electrically conductive structure is preferably carried out with stamp, thermodes, bulb soldering, preferably laser soldering, hot air soldering, induction soldering, resistance soldering and / or with ultrasound.
  • connection elements preferably as platelets with a defined layer thickness, volume, shape and arrangement on the connection element.
  • the connecting element can be welded or crimped, for example, with a sheet metal, a stranded wire or a braid of, for example, copper and connected to the on-board electrical system.
  • connection element is preferably used in heating disks or in panes with antennas in buildings, in particular in automobiles, railways, aircraft or maritime vehicles.
  • the connecting element serves to connect the conductive structures of the disc with electrical systems which are arranged outside the disc.
  • the electrical systems are amplifiers, control units or power sources.
  • Fig.1 . Fig. 2a . Fig. 2b and Fig. 2c each show a detail of a heated disc 1 according to the invention in the region of the electrical connection element 3.
  • the disc 1 is a 3 mm thick thermally toughened single-pane safety glass made of soda lime glass.
  • the disc 1 has a width of 150 cm and a height of 80 cm.
  • An electrically conductive structure 2 in the form of a heat conductor structure 2 is printed on the pane 1.
  • the electrically conductive structure 2 contains silver particles and glass frits.
  • the electrically conductive structure 2 is widened to a width of 10 mm and forms a contact surface for the electrical connection element 3.
  • In the edge region of the disk 1 is still a cover screen printing, not shown.
  • the Connection element 3 consists of two foot areas 7 and 7 ', which are connected to each other via the bridge 9. Two contact surfaces 8 'and 8 "are arranged on the surfaces of the foot regions 7 and 7' facing towards the substrate. In the region of the contact surfaces 8 'and 8", the solder compound 4 effects a permanent electrical and mechanical connection between the connection element 3 and the electrically conductive structure 2.
  • the solder mass 4 contains 57 wt .-% bismuth, 40 wt .-% tin and 3 wt .-% silver.
  • the solder mass 4 is completely arranged between the electrical connection element 3 and the electrically conductive structure 2 by a predetermined volume and shape.
  • the solder mass 4 has a thickness of 250 microns.
  • the electrical connection element 3 consists of steel of the material number 1.4509 according to EN 10 088-2 (ThyssenKrupp Nirosta® 4509) with a thermal expansion coefficient of 10.0 ⁇ 10 -6 / ° C.
  • Each of the contact surfaces 8 'and 8 "has the shape of a circle segment with a radius of 3 mm and a center angle ⁇ of 276 °
  • the bridge 9 consists of three plane sections 10, 11 and 12. The surface of each of the two sections facing the substrate 10 and 12 form an angle of 40 ° with the surface of the substrate 1.
  • the portion 11 is arranged parallel to the surface of the substrate 1.
  • the electrical connection element 3 has a length of 24 mm
  • the two foot portions 7 and 7 ' have a width of 6 mm
  • the bridge 9 has a width of 4 mm.
  • a contact elevation 14 is arranged at each of the surfaces facing away from the substrate 13 and 13 'of the foot areas 7 and 7'.
  • the contact elevations 14 are formed as hemispheres and have a height of 2.5 ⁇ 10 -4 m and a width of 5 ⁇ 10 -4 m.
  • the center points of the contact elevations 14 are arranged perpendicular to the surface of the substrate above the circle centers of the contact surfaces 8 'and 8 "The solder joints 15 and 15' are arranged at the points on the convex surface of the contact elevations 14 which are the greatest perpendicular distance to the surface of the contact elevations Substrate have.
  • the spacers 19 are arranged on each of the contact surfaces 8 'and 8 "The spacers 19 are formed as hemispheres and have a height of 2.5 ⁇ 10 -4 m and a width of 5 ⁇ 10 -4 m.
  • Steel with the material number 1.4509 according to EN 10 088-2 is good cold forming and easy to weld with all processes except gas welding.
  • the steel is used for the construction of silencer and exhaust gas decontamination plants and is particularly suitable for this purpose due to the scale resistance up to more than 950 ° C and corrosion resistance against the stresses occurring in the exhaust system.
  • Fig. 1a schematically shows a simplified representation of the heat distribution around the solder joints 15 and 15 'during the soldering process.
  • the circular lines are isotherms.
  • the shape of the contact surfaces 8 'and 8 "of the connection element 3 from Fig. 1 the heat distribution is adjusted. As a result, the solder mass 4 is uniformly and completely melted in the area of the contact surfaces 8 'and 8 ".
  • Fig. 3 shows in continuation of the embodiment of FIGS. 1 and 2c an alternative embodiment of the connecting element 3 according to the invention.
  • the electrical connection element 3 is provided on the surface oriented toward the solder mass 4 with a silver-containing coating 5.
  • a spread of the solder mass over the coating 5 is prevented and the exit width b is limited.
  • an adhesion-promoting layer for example of nickel and / or copper, can be present between connection element 3 and silver-containing layer 5.
  • the exit width b of the solder mass 4 is below 1 mm. Due to the arrangement of the solder mass 4, no critical mechanical stresses in the disk 1 are observed.
  • the connection of the disc 1 to the electrical connection element 3 is permanently stable via the electrically conductive structure 2.
  • Fig. 4 shows in continuation of the embodiment of FIGS. 1 and 2c a further alternative embodiment of the connecting element according to the invention 3.
  • the electrical connection element 3 includes on the surface facing the solder mass 4 a recess with a depth of 250 microns, which forms a solder depot for the solder mass 4. An exit of the solder mass 4 from the gap can be completely prevented.
  • the thermal stresses in the disc 1 are not critical and it is provided a permanent electrical and mechanical connection between the connection element 3 and the disc 1 via the electrically conductive structure 2.
  • Fig. 5 shows in continuation of the embodiment of FIGS. 1 and 2c a further alternative embodiment of the connecting element according to the invention 3.
  • the foot portions 7 and 7 'of the electrical connection element 3 are bent at the edge regions.
  • the height of the bend of the edge regions of the glass sheet 1 is a maximum of 400 microns.
  • a space for the solder mass 4 is formed.
  • the predetermined solder mass 4 forms a concave meniscus between the electrical connection element 3 and the electrically conductive structure 2.
  • An escape of solder mass 4 from the gap can be completely prevented.
  • the exit width b is approximately 0, largely due to the meniscus below zero.
  • the thermal stresses in the disc 1 are not critical and it is provided a permanent electrical and mechanical connection between the connection element 3 and the disc 1 via the electrically conductive structure 2.
  • Fig. 6 shows a further alternative embodiment of the connecting element 3 according to the invention with contact surfaces 8 'and 8 "in the form of circular segments and partially flat-shaped bridge 9.
  • the connection element 3 contains an iron-containing alloy having a thermal expansion coefficient of 8 x 10 -6 / ° C. Die Materialdicke 2 mm ..
  • hat-shaped compensating bodies 6 with chromium-containing steel of the material number 1.4509 according to EN 10 088-2 (ThyssenKrupp Nirosta® 4509) are applied.
  • the maximum layer thickness of the hat-shaped compensating body 6 is 4 mm.
  • the thermal expansion coefficients of the connection element 3 can be adapted to the requirements of the disc 1 and the solder mass 4.
  • the hat-shaped compensating bodies 6 lead to an improved heat flow during the production of the soldered connection 4.
  • the heating takes place above all in the center of the contact surfaces 8 'and 8 ", and the outlet width b of the soldering mass 4 can be further reduced because of the small outlet width b of ⁇ 1 mm and the adjusted coefficient of expansion, the thermal stresses in the disc 1 can be reduced further
  • the thermal stresses in the disc 1 are not critical and a permanent electrical and mechanical connection between the terminal element 3 and the disc 1 via the electrically conductive structure 2 is provided ,
  • Fig. 7 shows in continuation of the embodiment of FIGS. 1 and 2a an alternative embodiment of the connecting element according to the invention 3.
  • the bridge 9 is curved and has the profile of a circular arc with a radius of curvature of 12 mm.
  • the thermal stresses in the disc 1 are not critical and it is provided a permanent electrical and mechanical connection between the connection element 3 and the disc 1 via the electrically conductive structure 2.
  • Fig. 8 shows in continuation of the embodiment of FIGS. 1 and 2a a further alternative embodiment of the connecting element 3 according to the invention.
  • the bridge 9 is curved and changes its direction of curvature twice. Adjacent to the foot regions 7 and 7 ', the direction of curvature away from the substrate 1. As a result, there are at the connections 16 and 16 'between the contact surfaces 8' and 8 "and the bottom of the Bridge 9 no edges.
  • the underside of the connection element 3 has a continuous course.
  • the thermal stresses in the disc 1 are not critical and it is provided a permanent electrical and mechanical connection between the connection element 3 and the disc 1 via the electrically conductive structure 2.
  • Fig. 8a shows in continuation of the embodiment of FIGS. 1 and 2a a further alternative embodiment of the connecting element 3 according to the invention.
  • the bridge 9 consists of two planar sections 22 and 23.
  • the surface of each of the two sections 22 and 23 facing the substrate encloses an angle of 20 ° with the surface of the substrate 1.
  • the walls facing the substrate surfaces of the two sections 22 and 23 form an angle of 140 ° with each other.
  • the thermal stresses in the disc 1 are not critical and it is provided a permanent electrical and mechanical connection between the connection element 3 and the disc 1 via the electrically conductive structure 2.
  • Fig. 9 and Fig. 9a each show a detail of another embodiment of the pane 1 according to the invention in the region of the electrical connection element 3.
  • the connection element 3 contains steel of the material number 1.4509 according to EN 10 088-2 (ThyssenKrupp Nirosta® 4509).
  • the foot areas 7 and 7 ' are connected to each other via the bridge 9.
  • the bridge 9 consists of three plan-shaped sections 10, 11 and 12.
  • Each of the contact surfaces 8 'and 8 is formed as a rectangle with semicircles arranged on opposite sides
  • the connection element 3 has a length of 24 mm of 4 mm.
  • the contact surfaces 8 'and 8 are 4 mm long and 8 mm wide.
  • a contact elevation 14 is arranged at each of the side facing away from the substrate 1 surfaces 13 and 13 'of the foot areas 7 and 7'.
  • Each contact elevation 14 is formed as a cuboid with a length of 3 mm and a width of 1 mm, wherein the surfaces facing away from the substrate 1 are formed convexly curved.
  • the height of the contact elevations is 0.6 mm.
  • the solder joints 15 and 15 ' are arranged at the points on the convex surface of the contact elevations 14, which have the greatest perpendicular distance to the surface of the substrate.
  • Arranged on each of the contact surfaces 8 'and 8 “are two spacers 19, which are formed as hemispheres with a radius of 2.5 ⁇ 10 -4 M. Due to the arrangement of the solder mass 4, no critical mechanical stresses are observed in the disk 1 Connection of the disc 1 with the electrical connection element 3 is permanently stable via the electrically conductive structure 2.
  • Fig. 10 shows a plan view of an alternative embodiment of the connecting element 3 according to the invention.
  • the foot areas 7 and 7 ' are connected to each other via the bridge 9.
  • the contact surfaces 8 and 8 ' are formed as circular segments with a radius of 2.5 mm and a center angle ⁇ of 280 °.
  • the bridge 9 is curved.
  • the width of the bridge becomes smaller starting from the connections 16 and 16 'to the contact surfaces 8 and 8' in the direction of the bridge center.
  • the minimum width of the bridge is 3 mm. Due to the arrangement of the solder mass 4, no critical mechanical stresses in the disk 1 are observed.
  • the connection of the disc 1 to the electrical connection element 3 is permanently stable via the electrically conductive structure 2.
  • connection element 3 with the contour FIG. 10 not designed like a bridge.
  • the connection element 3 is connected over a contact surface 8 over its entire surface with the electrically conductive structure.
  • Fig. 11 and Fig. 11a each show a detail of a further alternative embodiment of the connecting element 3 according to the invention.
  • the two foot regions 7 and 7 ' are connected to one another via the bridge 9.
  • Each contact surface 8 'and 8 is formed as a circle segment with a radius of 2.5 mm and a center angle ⁇ of 286 ° .
  • the bridge 9 consists of two subelements The subelements each have a curved subregion 17 and 17' and a planar subregion
  • the bridge 9 is connected to the foot region 7 by the partial region 17 and to the foot region 7 'by the partial region 17'
  • the contact protrusions 14 are as hemispheres with a radius of 5 x 10 -4 m formed the spacers 19 are as hemispheres with a radius of 2.5 x 10 - 4 m is formed.
  • the connection element 3 has a length of 10 mm.
  • the bridge 9 has a width of 3 mm.
  • the height of the bridge 9 of the Ob er Chemistry of the substrate 1 is 3 mm.
  • the height of the bridge 9 may preferably be between 1 mm and 5 mm. Due to the arrangement of the solder mass 4, no critical mechanical stresses in the disk 1 are observed.
  • the connection of the disc 1 to the electrical connection element 3 is permanently stable via the electrically conductive structure 2.
  • Fig. 12 shows a plan view of a further alternative embodiment of the connecting element according to the invention 3.
  • the two connections 16 and 16' between the foot regions 7 and 7 'and the bridge 9 are completely on different sides of the direct connecting line between the circle centers of the Contact surfaces 8 'and 8 "arranged.
  • the projection of the bridge into the plane of the substrate surface is curved.
  • the direction of curvature changes in the middle of the bridge. In the middle of the bridge 9, two opposite bulges are arranged laterally in the form of circular segments with radii of 2 mm.
  • the radii of the bulges may preferably be between 1 mm and 3 mm.
  • the bulges may for example also have a rectangular shape with a preferred length and width of 1 mm to 6 mm.
  • an electrically conductive material for connection to the on-board electrical system can be attached, for example by welding or crimping. Due to the arrangement of the solder mass 4, no critical mechanical stresses in the disk 1 are observed.
  • the connection of the disc 1 to the electrical connection element 3 is permanently stable via the electrically conductive structure 2.
  • Fig. 13 and Fig. 13a each show a detail of a further alternative embodiment of the connecting element 3 according to the invention.
  • the connecting element 3 is connected over the entire surface of the electrically conductive structure 2 via a contact surface 8.
  • the contact surface 8 is formed as a rectangle with arranged on opposite sides of the semicircles.
  • the contact surface has a length of 14 mm and a width of 5 mm.
  • the connection element 3 is bent around in the edge region 20.
  • the height of the edge region 20 of the glass sheet 1 is 2.5 mm.
  • the height of the edge region 20 can preferably be between 1 mm and 3 mm in alternative embodiments of the invention.
  • an extension element 21 is arranged on one of the two straight sides of the connecting element 3.
  • the extension element 21 consists of a curved portion and a planar portion.
  • the extension element 21 is connected by the curved portion with the edge region 20 of the connection element 3 and the direction of curvature facing the opposite side of the connection element 3.
  • the extension member 21 has a length of 11 mm and a width of 6 mm in plan view.
  • the extension element 21 may preferably have a length between 5 mm and 20 mm, more preferably between 7 mm and 15 mm and a width of 2 mm to 10 mm, particularly preferably from 4 mm to 8 mm.
  • To the extension element 21 may, for example, an electrically conductive material for connection to the on-board electrical system be attached, for example, by welding, crimping or in the form of a connector. Due to the arrangement of the solder mass 4, no critical mechanical stresses in the disk 1 are observed.
  • the connection of the disc 1 to the electrical connection element 3 is permanently stable via the electrically conductive structure 2.
  • Fig. 14 shows in detail an inventive method for producing a disc 1 with electrical connection element 3.
  • an example of the inventive method for producing a disc with an electrical connection element 3 is shown.
  • As a first step it is necessary to portion the solder mass 4 according to shape and volume.
  • the portioned solder mass 4 is arranged on the contact surface 8 or the contact surfaces 8 'and 8 "of the electrical connection element 3.
  • the electrical connection element 3 is arranged with the solder mass 4 on the electrically conductive structure 2.
  • a permanent connection of the electrical connection element 3 takes place the electrically conductive structure 2 and thereby with the disc 1 with energy input to the solder joints 15 and 15 '.
  • Test samples were made with the disc 1 (thickness 3 mm, width 150 cm and height 80 cm), the electrically conductive structure 2 in the form of a heat conductor structure, the electrical connection element 3 according to the FIG. 1 , the silver layer 5 on the contact surfaces 8 'and 8 "of the connection element 3 and the soldering compound 4.
  • the material thickness of the connection element 3 was 0.8 mm
  • the connection element 3 contained steel of the material number 1.4509 according to EN 10 088-2 (ThyssenKrupp Nirosta ® 4509) On each of the contact surfaces 8 'and 8 "three spacers 19 were arranged. Each solder joint 15 and 15 'was arranged on a contact elevation 14.
  • the solder mass 4 was previously applied as platelets with a defined layer thickness, volume and shape on the contact surfaces 8 'and 8 "of the connection element 3.
  • the connection element 3 was attached to the applied solder mass 4 on the electrically conductive structure 2.
  • the connection element 3 was used in a Temperature of 200 ° C and a treatment time of 2 seconds soldered on the electrically conductive structure 2.
  • Table 1 Due to the arrangement of the solder mass 4, predefined by the connection element 3 and the electrically conductive structure 2, no critical mechanical stresses were observed in the pane 1.
  • the connection of the disc 1 with the electrical connection element 3 was permanently stable via the electrically conductive structure 2.
  • test samples were performed with a second composition of the electrical connection element 3.
  • the connecting element 3 contained an iron-nickel-cobalt alloy.
  • test samples having a third composition of the electrical connection element 3 were performed.
  • the connecting element 3 contained an iron-nickel alloy.
  • the dimensions and compositions of the electrical connection element 3, the silver layer 5 on the contact surfaces 8 'and 8 "of the connection element 3 and the solder mass 4 are shown in Table 3.
  • the comparative example was carried out in the same way as the example.
  • the difference was in the shape of the connection element.
  • This was connected to the prior art via a rectangular contact surface with the electrically conductive structure.
  • the shape of the contact surface was not adapted to the profile of heat distribution. No spacers were placed on the contact surface.
  • the solder joints 15 and 15 ' were not arranged on contact elevations.
  • the dimensions and components of the electrical connection element 3, the metal layer on the contact surface of the connection element 3 and the solder mass 4 are shown in Table 4.
  • panes according to the invention with glass substrates 1 and electrical connection elements 3 according to the invention have a better stability against sudden temperature differences.

Landscapes

  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Combinations Of Printed Boards (AREA)
  • Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
  • Resistance Heating (AREA)
  • Liquid Crystal (AREA)
  • Surface Heating Bodies (AREA)
EP19186394.3A 2011-05-10 2012-04-17 Vitre dotée d'un élément de raccordement électrique Active EP3576491B1 (fr)

Applications Claiming Priority (3)

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EP11165506 2011-05-10
EP12715095.1A EP2708092B1 (fr) 2011-05-10 2012-04-17 Vitre pourvue d'un élément de connexion électrique
PCT/EP2012/056963 WO2012152542A1 (fr) 2011-05-10 2012-04-17 Vitre pourvue d'un élément de connexion électrique

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EP12715095.1A Division EP2708092B1 (fr) 2011-05-10 2012-04-17 Vitre pourvue d'un élément de connexion électrique
EP12715095.1A Division-Into EP2708092B1 (fr) 2011-05-10 2012-04-17 Vitre pourvue d'un élément de connexion électrique

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EP3576491A1 true EP3576491A1 (fr) 2019-12-04
EP3576491B1 EP3576491B1 (fr) 2023-10-25

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AR (1) AR086303A1 (fr)
AU (1) AU2012252670B2 (fr)
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US20140110166A1 (en) 2014-04-24
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MX2013013016A (es) 2014-01-31
AU2012252670A1 (en) 2013-11-28
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ES2966732T3 (es) 2024-04-24
CN103270809A (zh) 2013-08-28
DE202012013540U1 (de) 2017-08-10
JP2014520355A (ja) 2014-08-21
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KR101553762B1 (ko) 2015-09-16

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