EP2339894A1 - 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
EP2339894A1
EP2339894A1 EP09180346A EP09180346A EP2339894A1 EP 2339894 A1 EP2339894 A1 EP 2339894A1 EP 09180346 A EP09180346 A EP 09180346A EP 09180346 A EP09180346 A EP 09180346A EP 2339894 A1 EP2339894 A1 EP 2339894A1
Authority
EP
European Patent Office
Prior art keywords
electrically conductive
intermediate layer
electrical connection
connection element
conductive structure
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.)
Withdrawn
Application number
EP09180346A
Other languages
German (de)
English (en)
Inventor
Mitja Rateiczak
Bernhard Reul
Andreas Dr. Schlarb
Stefan Dr. Ziegler
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
Compagnie de Saint Gobain SA
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
Priority to EP09180346A priority Critical patent/EP2339894A1/fr
Priority to US13/501,452 priority patent/US9370048B2/en
Priority to MX2012005102A priority patent/MX2012005102A/es
Priority to PCT/EP2010/068804 priority patent/WO2011076540A1/fr
Priority to PL10788062T priority patent/PL2517530T3/pl
Priority to ES10788062.7T priority patent/ES2688657T3/es
Priority to CN201080058857.9A priority patent/CN102656945B/zh
Priority to PT10788062T priority patent/PT2517530T/pt
Priority to EA201290548A priority patent/EA027939B1/ru
Priority to KR1020127011955A priority patent/KR101740083B1/ko
Priority to JP2012545199A priority patent/JP5767651B2/ja
Priority to TR2018/14672T priority patent/TR201814672T4/tr
Priority to BR112012010298A priority patent/BR112012010298B8/pt
Priority to EP10788062.7A priority patent/EP2517530B1/fr
Publication of EP2339894A1 publication Critical patent/EP2339894A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
    • 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
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/0026—Apparatus for manufacturing conducting or semi-conducting layers, e.g. deposition of metal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/0033—Apparatus or processes specially adapted for manufacturing conductors or cables by electrostatic coating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • 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

Definitions

  • the present invention relates to a disc with electrical connection element, a process for their preparation and their use.
  • DE 10 2007 059 818 B3 discloses a flat conductor terminal having an electrically conductive layer secured to an outer surface of a disk and providing at least one electrically insulating buffer layer between a portion of the electrically conductive layer having an exposed solder surface and the glass sheet surface.
  • a body having a plurality of holes formed therein carries a solder mass with the solder mass disposed over the holes.
  • the present invention has for its object to provide an improved, mechanically and electrically permanently stable connection of electrical connection elements with discs.
  • a further object of the invention is to find a new method for producing disks with electrical connection elements and a new use of the same.
  • the invention comprises a pane wherein, an electrically conductive structure is applied to a glass pane, at least one intermediate layer is applied to the electrically conductive structure, at least one electrical connection element is applied to the intermediate layer, and wherein the intermediate layer, electrical connection element and electrically conductive structure at least one Form cavity and the cavity contains an electrically conductive material.
  • Advantages of the disc according to the invention include, inter alia, that critical mechanical stresses are minimized by the intermediate layer between the electrical connection element and the electrically conductive structure on the glass pane.
  • Critical mechanical stresses result from the magnitude and direction of point, line, and surface forces, shear forces, and torsional forces that can result in damage or breakage of the disks due to stresses in the manufacture or use of the disks.
  • Thermal stress induced mechanical stresses increase in particular with differences in the thermal expansion coefficients and the viscosity of the materials used.
  • the mechanical stresses are particularly critical when connecting glass panels with electrical connection elements at temperatures> 60 ° C, especially at> 120 ° C and especially> 158 ° C.
  • the cavity is completely enclosed by the intermediate layer.
  • the cavity then forms at least one recess within the intermediate layer.
  • the recess is bounded by the electrically conductive structure, the electrical connection element and the intermediate layer.
  • Cavities are advantageous according to the invention, since support cavities are provided for electrically conductive mass.
  • the shape of the electrically conductive mass is due to the shape of the cavities, the wetting of the electrically conductive mass within the cavities and the viscosity of the electrically conductive mass adjusted during manufacture and use. Critical mechanical stresses are prevented.
  • the shape and the volume of the cavities are determined in particular by the shape and the volume of the intermediate layer, as well as by the shape of the electrical connection element.
  • the electrically conductive mass is held in all three spatial directions in a defined geometry and achieves a permanent, electrical connection between the electrical connection element and the electrically conductive structure.
  • the electrically conductive mass is disposed within the cavity. Electrically conductive mass is not located in areas outside the cavities. The areas outside the cavities are formed by the outer edge of the cavities and / or projections of the outer edges. Electrically conductive mass is not visible when looking at the disc according to the invention in plan view. Due to their shape, wetting properties and viscosity, the electrically conductive mass preferably terminates flush with the outer edges of the cavities.
  • the intermediate layer according to the invention has a thickness of 0.5 ⁇ m to 1 mm, preferably 1 ⁇ m to 500 ⁇ m and particularly preferably 10 ⁇ m to 300 ⁇ m.
  • the cavities have a diameter or area equivalent of 0.1 mm to 2 mm, and preferably from 0.2 mm to 1 mm.
  • the cavities have a diameter or area equivalent of 2 mm to 25 mm, and preferably from 3 mm to 10 mm and most preferably from 7.5 mm to 8.5 mm.
  • the cavities preferably have round, elliptical, rectangular or polygonal shapes which, according to the invention, form a shape of the electrically conductive mass form, which causes an improved, mechanically and electrically permanently stable connection of electrical connection elements to disks.
  • the area equivalents of the cavities are calculated from the diameter based on a round shape of the cavities and can be transferred to surfaces of elliptical, rectangular or polygonal or all forms that cause an improved, mechanically and electrically permanently stable connection of electrical connection elements to disks.
  • liners which, as a result of a multiplicity of cavities, bring about as many points of force application between electrically conductive mass and electrically conductive layer are particularly advantageous.
  • the cavities in the intermediate layer have a cross section which is formed from a region facing the electrical connection element, an intermediate region and an area facing away from the electrically conductive structure.
  • the shapes of the cavities in plan view can be configured differently over the depth of the cavities.
  • the areas preferably have round, elliptical or rectangular shapes.
  • the electrically conductive mass can form a particularly favorable shape in the cavities in order to reduce the mechanical loads on the electrically conductive structure and the glass pane. This is particularly favorable if the electrically conductive mass does not escape from the cavities.
  • the electrically conductive mass is held within the cavities by the wetting properties and viscosity of the electrically conductive material.
  • the wetting properties or capillary forces are set by the interfacial energies of the materials of the electrically conductive mass, the intermediate layer, the connecting element, the electrically conductive structure, the glass pane and / or the surrounding atmosphere.
  • the electrically conductive mass forms a concave meniscus within the cavity.
  • the concave meniscus is adjusted by a very small wetting angle of the electrically conductive mass within the cavity.
  • the viscosity of the electrically conductive mass depends on the material and the temperature. It is advantageous according to the invention to cause the shaping in the temperature range between the liquidus and the solidus temperature, when a large change in the viscosity of the electrically conductive mass is observed.
  • the intermediate layer according to the invention is particularly advantageous if the region of the recesses facing the electrical connection element has a smaller diameter or a smaller area than the region which faces the electrically conductive structure.
  • the edge shapes at the recesses and the shape of the electrical connection element are adapted to the flow behavior, the viscosity and the wetting properties of the electrically conductive mass.
  • the edge areas are preferably rectangular, rounded or heavily rounded.
  • the electrically conductive structure, the intermediate layer and the electrical connection element form a hyperbolic funnel, which tapers from the electrically conductive structure to the electrical connection element.
  • the recesses are filled only in the edge region of the hyperbolic funnel with electrically conductive material.
  • the shape of the electrically conductive mass is predetermined by the wetting properties and the viscosity of the electrically conductive mass at the intermediate layer and the electrical connection element.
  • the mechanical forces are according to the invention between the electrically conductive mass and the electrically conductive structure or the glass in a flat attack angle.
  • electrically conductive masses are used which, due to their shape, viscosity and their state of aggregation, do not transmit any critical forces to the electrically conductive structure and / or glass pane.
  • the viscosity is in the context of the invention also an expression of ductility of the electrically conductive mass in the solid state.
  • the mechanical connection between the connection element and the glass pane takes place via the intermediate layer and the solidus temperature of the electrically conductive mass is less than 158 ° C., preferably less than 120 ° C. and very particularly preferably less than 65 ° C. ,
  • connection element takes place via the electrically conductive mass and the solidus temperature of the electrically conductive mass is 159 ° C. to 220 ° C.
  • the electrically conductive mass contains a conductive liquid, metal alloy, and / or composite materials, preferably metal alloys with silver, tin, zinc, indium, bismuth and / or gallium and more preferably metal alloys with 60 wt.% To about 98 wt% gallium, 15 wt% to 70 wt% indium, 50 wt% to 98 wt% tin, 10 wt% to 80 wt% zinc, 2 wt% to 10 wt% Silver and / or 30% to 70% by weight bismuth.
  • a conductive liquid, metal alloy, and / or composite materials preferably metal alloys with silver, tin, zinc, indium, bismuth and / or gallium and more preferably metal alloys with 60 wt.% To about 98 wt% gallium, 15 wt% to 70 wt% indium, 50 wt% to 98 wt% tin, 10 wt% to 80 wt% zinc, 2
  • the electrically conductive materials having a solidus temperature of ⁇ 65 ° C. preferably contain 60% by weight to about 98% by weight of gallium.
  • the electrically conductive materials having a solidus temperature of greater than or equal to 65 ° C. and less than 158 ° C. very particularly preferably contain 15% by weight to 70% by weight of indium and / or 30% by weight to 70% by weight of bismuth.
  • the electrically conductive materials having a solidus temperature of greater than or equal to 158 ° C. very particularly preferably contain 50% by weight to 98% by weight of tin.
  • the electrically conductive materials are preferably lead-free according to the invention.
  • conductive sponge-like, braid-like or inorganic or organic composites or mixtures to be present in the electrically conductive mass.
  • conductive sponge-like, braid-like or inorganic or organic composites or mixtures include wool-like shaped metals such as silver wool.
  • the electrically conductive mass may be temporarily or permanently liquid due to a low solidus at normal ambient temperatures. At low viscosity of the electrically conductive mass, flow through the mold and the wetting properties within the cavities are prevented. The electrical connection remains. The mechanical connection between the electrical connection element and the electrically conductive structure and / or the glass pane takes place temporarily or permanently, completely or partially via the intermediate layer.
  • a liquid or low-viscous or highly ductile electrically conductive mass is particularly advantageous because no critical mechanical loads between electrically conductive material and the electrically conductive structures and / or glass occur.
  • the glass sheets are prestressed, semi-tempered or non-prestressed monolithic glass sheets or laminated glass sheets of silicate glass and preferably non-tempered or partially tempered laminated glass sheets.
  • the glass sheets have a thickness of 1 mm to 6 mm, preferably from 1.8 mm to 4 mm.
  • the glass panes can be completely or partially coated with a covering screen print, preferably in the edge region and particularly preferably in the region of the electrical connection elements.
  • the electrically conductive structures on slices are preferably printed conductors with heating conductors and / or antenna conductors.
  • the electrically conductive structures are preferably connected in the edge region of the glass with electrical connection elements.
  • Electrical connection elements provide a permanent mechanical coupling and electrical connection between electrical conductors of, for example, the on-board electrical system in vehicles and the electrical conductive structure on the disc.
  • the electrical connection elements are preferably designed as flat conductors or so-called rigid connectors. Rigid connectors have a high rigidity due to their material properties, material thickness and shape.
  • the corrosion protection is preferably liquid and / or electrically conductive.
  • the intermediate layer contains temperature-stable polymer layers, ceramic screen printing paste, solder resists and / or adhesive tapes, preferably polyacrylate, cyanoacrylate, methyl methacrylate, silane and siloxane-crosslinking polymers, epoxy resin, polyurethane, polychloroprene, polyamide, acetate, silicone adhesive, polyethylene, polypropylene , Polyvinyl chloride, polyamide, polycarbonate, polyethylene terephthalate, polyethylene naphthalate, polyimides, polyethylene terephthalate, polyetherimides, polybenzimidazoles, polytetrafluoroethylene, thermosetting adhesives, their copolymers and / or mixtures thereof, and more preferably polyimides or polytetrafluoroethylene.
  • the intermediate layer which are not wetted by the electrically conductive mass.
  • the materials preferably have a low interfacial energy.
  • Polyimides, polytetrafluoroethylene or solder resists, as well as composite materials with polyimides or solder resists are particularly suitable for this purpose.
  • the intermediate layer according to the invention is composed of several layers, wherein the intermediate layer and the surfaces of the electrical connection element and the electrically conductive structure via adhesive layers are brought into positive contact.
  • the intermediate layers particularly preferably contain additional connecting cavities which connect the cavities to one another or to the edge of the intermediate layer. This is particularly advantageous for the discharge of gaseous products during the mechanical and electrical connection of the electrical connection element with the electrically conductive structure.
  • the connecting cavities are not or hardly filled or wetted with electrically conductive compound according to the invention.
  • an electrically conductive structure is applied to a glass pane, an intermediate layer applied to the electrically conductive structure and / or glass pane or an electrical connection element, electrically conductive mass applied to the electrical connection element or to the electrically conductive structure electrical connection element via the intermediate layer mechanically connected to the electrically conductive structure and / or glass, wherein at least one cavity is formed and the electrically conductive material is electrically connected within at least one cavity with the electrical connection element and the electrically conductive structure.
  • the intermediate layer is applied to the electrically conductive structure and the electrically conductive mass is applied to the electrical connection element.
  • the intermediate layer is produced by at least one of screen printing, spraying, curtain coating or roller coating, adhesion to the electrically conductive structure, electrical connection element and / or or applied glass.
  • the mechanical connection via mechanical clamping, soldering and / or gluing of the electrical connection element to the electrically conductive structure and / or glass, preferably on the glass pane.
  • the temperatures at According to the invention, bonding is preferably below 158 ° C., more preferably below 120 ° C., and most preferably below 60 ° C.
  • the electrical connection element is simultaneously mechanically connected to the electrically conductive structure and / or glass pane during the electrical connection, preferably via thermal activation of the adhesive effect of the intermediate layer.
  • the activation of the adhesive effect of the intermediate layer can be done, for example, with the soldering of the electrically conductive mass.
  • FIGS. 1 to 10 schematically shown in the drawing and will be described in more detail below.
  • connection region of a pane (1) according to the invention with electrical connection element (4) is shown in different representations.
  • An electrically conductive structure (2) was printed on a non-prestressed silicate glass pane (1) as a heating conductor with a silver-containing screen printing paste.
  • On a portion of the electrically conductive structure (2) at the edge of the glass pane (1) was a 130 micron thick intermediate layer (3) of an adhesive tape with acrylic and polyimide.
  • a plurality of round recesses (5) with a diameter of 1 mm was introduced. The diameter was constantly 1 mm from the region (5a) facing the electrical connection element (4) to the region (5c) facing the electrically conductive structure.
  • the intermediate layer (3) was an electrical connection element (4), designed as Flachleier, which was connected via a not shown conductor with the on-board electrical system also not shown the vehicle.
  • the recesses (5), portions of the electrically conductive structure (2) and the electrical connection element (4) formed cavities (5) for electrically conductive mass (7).
  • the electrically conductive mass (7) was a low-viscosity and highly ductile lead-free solder containing 67% by weight of bismuth and 33% by weight of indium with a solidus temperature of 110 ° C.
  • the shape of the electrically conductive mass (7) was dictated by the shape of the cavities (5) and the wetting properties as well as the properties of the electrically conductive mass (7).
  • the electrically conductive structure (2) was permanently electrically connected to the electrical connection element (4) via the electrically conductive mass (7).
  • the electrically conductive structure (2) was permanently mechanically connected via the adhesive intermediate layer (3) to the electrical connection element (4).
  • the pane (1) according to the invention showed an improved mechanical connection between the electrical connection element (4) and the glass pane (1) in comparison with the prior art. It formed between the electrically conductive structure (2), the electrically conductive mass (7), the intermediate layer (3) and the electrical connection element (4) uncritical force application points. The amount and direction of the mechanical forces that could damage the electrically conductive structures (2) or the glass sheet (1) have been minimized. As a result, the disc (l) was durably spared.
  • the disc (1) contained an electrical connection element (4) with a 0.8 mm thick and 14 x 24 mm 2 copper plate with silver coating.
  • the 14 x 24 mm 2 large liner (3) had a thickness of 250 microns and contained two square 6 x 6 mm 2 large recesses (5) with rounded corners.
  • the intermediate layer (3) towered over the electrically conductive structure (2) frame-shaped with a width of 8 mm.
  • the cavities (5) formed with the electrical connection element (4) and the electrically conductive structure (2) a cavity (5), which were partially filled with electrically conductive mass (7) with 68 wt.% Gallium and 22 wt.% Indium ,
  • the electrically conductive mass (7) was liquid above -19 ° C and was prevented by the recess from bleeding.
  • the electrical connection element (4) was permanently electrically connected via the electrically conductive mass (7) to the contact region of the electrically conductive structure (2).
  • the electrical connection element (4) was mechanically glued to the glass pane (1) above the part of the intermediate layer (3) projecting beyond the electrically conductive structures (2) and permanently mechanically connected. Due to the liquid state of the electrically conductive mass (7), the mechanical stresses were conducted completely over the intermediate layer (3) and critical forces between the electrical connection element (4) and the glass pane (1) were not observed.
  • FIG. 4 shows a preferred embodiment in continuation of the embodiment of FIGS. 1 to 3 ,
  • the intermediate layer (3) was designed as a soldering temperature-resistant polyimide film with a thickness of 100 microns.
  • the intermediate layer (3) was glued between the flat conductor (4) and the electrically conductive structure (2).
  • the cavities (5) were circular.
  • the recesses in the electrical connection element (4) facing region (5a) had a cross section of 0.8 mm
  • the cavities (5) in the electrically conductive structure (2) and the disc (1) facing region (5c) had a Cross section of 1.2 mm.
  • the electrically conductive mass (7) formed in the recess (5) a hyperbolic inverse Funnel shape. The amount and direction of the mechanical forces that could damage the electrically conductive structures or the disk have been minimized.
  • FIG. 5 shows an alternative embodiment in continuation of the embodiment of FIGS. 1 to 3 ,
  • the intermediate layer (3) was designed as a soldering temperature-resistant polyimide film with a thickness of 100 microns.
  • the cavities (5) were also made circular with a diameter of 5 mm.
  • the cross-section of the intermediate layer (3) in the region of the cavities (5) was rounded at the upper edge (5a) to the electrical connection element (4) and at the lower edge (5c) to the contact region of the electrically conductive structure (2).
  • the intermediate layer (3) was glued between the electrical connection element (4) and the electrically conductive structure (2). It was thus formed a cavity (5), which enabled an improved mechanical and electrical connection between the electrical connection element (4) and the electrically conductive structure (2).
  • the mechanical forces between the electrically conductive mass (7) and the electrically conductive structure (2) on the glass pane (1) had a flat angle of attack. Damage to the disc (I) according to the invention could be prevented.
  • FIG. 6 shows in the further development of the embodiment according to FIG. 5 a chimney-like configuration of the cavity (5) by an adapted shaping of the electrical connection element (4).
  • the cavity (2) was approximately in the form of a hyperbolic funnel adapted.
  • the area and the diameter of the area (5a) to the electrical connection element (4) were smaller than the area and the diameter of the area (5c) facing the electrically conductive structure (2).
  • an intermediate layer (3) with cavities (5) was found, which made possible in a simple manner an improved mechanical and electrical connection between the electrical connection element (4) and the contact region of the electrically conductive structure (2).
  • FIG. 7 shows in the further development of the embodiment according to FIG. 5 an intermediate layer (3), which was designed as a layer composite.
  • a layer of temperature resistant polyimide was provided by an upper and lower cyanoacrylate adhesive layer edged. Due to the layer structure with adhesive layers, a particularly advantageous form-fitting contact between the electrical connection element (4), the intermediate layer (3) and the electrically conductive structure (2) was formed.
  • the mechanical forces between the electrically conductive mass (7) and the electrically conductive structure (2) on the glass pane (1) had a flat angle of attack. Damage to the electrically conductive structure (2) or the glass pane (1) was prevented.
  • FIG. 8 shows an alternative embodiment of the disc (I) according to the invention.
  • a 14 x 12 mm 2 intermediate layer (3) with cyanoacrylate had a thickness of 250 microns.
  • the electrical connection element (4) was a 0.8 mm thick copper plate with an area of 14 ⁇ 20 mm 2 .
  • the electrical connection element (4) towered over the intermediate layer (3) on two side surfaces of 4 mm each and was slightly curved towards the glass pane (1).
  • the intermediate layer (3), the curved electrical connection element (4) and the electrically conductive structure (2) formed on the two side surfaces cavities (5).
  • the cavities (5) were partially filled with electrically conductive material (7).
  • the electrically conductive mass (7) was a solder with 67 wt.% Bismuth and 33 wt.% Indium with a solidus temperature of 110 ° C.
  • the electrically conductive mass (7) formed a concave meniscus within the cavity (5).
  • the intermediate layer (3) with the electrically conductive structure (2) rounded edge was completely wetted by the electrically conductive mass (7).
  • the electrically conductive mass (7) formed with the curved electrical connection element (4) and the electrically conductive structure (2) very small wetting angle.
  • the electrically conductive mass (7) was completely disposed within the cavities (5). In plan view of the disc (l) no electrically conductive mass (7) was visible.
  • the electrical connection element (4) was permanently electrically connected to the electrically conductive structure (2) via the electrically conductive mass (7).
  • the electrical connection element (4) was glued mechanically via the intermediate layer (3) to the glass pane (1) and permanently mechanically connected. Due to the shape and viscosity of the electrically conductive mass (7), the mechanical stresses were completely passed over the intermediate layer (3). Critical forces between the electrical connection element (4) and the glass pane (1) were not observed during manufacture and use.
  • FIG. 9 shows a continuation of the embodiment of FIG. 1 ,
  • the cavities (5) were connected by connecting cavities (8) with a diameter of about 100 microns with each other and with the outer edge of the intermediate layer (3).
  • Electrically conductive mass (7) was not present in the connecting cavities (8).
  • the electrically conductive mass (7) which is liquid in the soldering process wets within the cavities (5). Expanding air or gaseous soldering aids during the soldering process could escape via the connecting cavities (8) from the cavities (5). As a result, an improved distribution of the electrically conductive mass (7) within the cavities (5) has been achieved.
  • FIG. 10 shows in detail a flow chart of an embodiment according to the invention for producing a pane (1) according to the invention.
  • the discs (I) according to the invention are longer lasting compared to the prior art.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Thermal Sciences (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Laminated Bodies (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Surface Treatment Of Glass (AREA)
  • Surface Heating Bodies (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
EP09180346A 2009-12-22 2009-12-22 Vitre dotée d'un élément de raccordement électrique Withdrawn EP2339894A1 (fr)

Priority Applications (14)

Application Number Priority Date Filing Date Title
EP09180346A EP2339894A1 (fr) 2009-12-22 2009-12-22 Vitre dotée d'un élément de raccordement électrique
US13/501,452 US9370048B2 (en) 2009-12-22 2010-12-03 Pane having electrical connecting element
MX2012005102A MX2012005102A (es) 2009-12-22 2010-12-03 Luna teniendo elemento de conexion electrica.
PCT/EP2010/068804 WO2011076540A1 (fr) 2009-12-22 2010-12-03 Vitrage muni d'un élément de raccordement électrique
PL10788062T PL2517530T3 (pl) 2009-12-22 2010-12-03 Szyba z elektrycznym elementem przyłączeniowym
ES10788062.7T ES2688657T3 (es) 2009-12-22 2010-12-03 Cristal con elemento de conexión eléctrico
CN201080058857.9A CN102656945B (zh) 2009-12-22 2010-12-03 具有电连接元件的板
PT10788062T PT2517530T (pt) 2009-12-22 2010-12-03 Placa de vidro com elemento de ligação elétrica
EA201290548A EA027939B1 (ru) 2009-12-22 2010-12-03 Оконное стекло с элементом электрического соединения
KR1020127011955A KR101740083B1 (ko) 2009-12-22 2010-12-03 전기 접속 소자를 갖는 페인
JP2012545199A JP5767651B2 (ja) 2009-12-22 2010-12-03 電気的接続部を有する窓ガラス
TR2018/14672T TR201814672T4 (tr) 2009-12-22 2010-12-03 Elektrik bağlantı elemanlı disk.
BR112012010298A BR112012010298B8 (pt) 2009-12-22 2010-12-03 painel, método para produzir um painel, e, uso de um painel
EP10788062.7A EP2517530B1 (fr) 2009-12-22 2010-12-03 Vitre dotée d'un élément de raccordement électrique

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DE202013006775U1 (de) 2012-11-21 2013-09-10 Saint-Gobain Glass France Scheibe mit elektrischem Anschlusselement und Verbindungssteg
WO2014029576A1 (fr) 2012-08-24 2014-02-27 Saint-Gobain Glass France Vitre dotée d'un élément de connexion électrique
WO2014079595A1 (fr) 2012-11-21 2014-05-30 Saint-Gobain Glass France Vitre comprenant un élément de connexion électrique et des plaques compensatrices
US10292256B2 (en) 2012-09-14 2019-05-14 Saint-Gobain Glass France Pane with an electrical connection element
US10297929B2 (en) 2012-09-14 2019-05-21 Saint-Gobain Glass France Pane having an electrical connection element
CN112233834A (zh) * 2020-10-14 2021-01-15 苏州盛达飞智能科技股份有限公司 一种导电泡棉的制备方法

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WO2014029576A1 (fr) 2012-08-24 2014-02-27 Saint-Gobain Glass France Vitre dotée d'un élément de connexion électrique
US10292256B2 (en) 2012-09-14 2019-05-14 Saint-Gobain Glass France Pane with an electrical connection element
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WO2014079595A1 (fr) 2012-11-21 2014-05-30 Saint-Gobain Glass France Vitre comprenant un élément de connexion électrique et des plaques compensatrices
WO2014079594A1 (fr) 2012-11-21 2014-05-30 Saint-Gobain Glass France Vitre comprenant un élément de connexion électrique et une barrette de liaison
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EP2517530A1 (fr) 2012-10-31
EA027939B1 (ru) 2017-09-29
US20120205152A1 (en) 2012-08-16
ES2688657T3 (es) 2018-11-06
JP2013515340A (ja) 2013-05-02
US9370048B2 (en) 2016-06-14
CN102656945A (zh) 2012-09-05
PT2517530T (pt) 2018-10-23
EA201290548A1 (ru) 2012-11-30
KR101740083B1 (ko) 2017-05-25
JP5767651B2 (ja) 2015-08-19
MX2012005102A (es) 2012-05-22
BR112012010298B8 (pt) 2019-12-03
CN102656945B (zh) 2015-11-25
EP2517530B1 (fr) 2018-08-08
BR112012010298A2 (pt) 2016-03-29
TR201814672T4 (tr) 2018-11-21
PL2517530T3 (pl) 2019-01-31
WO2011076540A1 (fr) 2011-06-30
KR20120104203A (ko) 2012-09-20

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