EP4392252A1 - Procédé de production d'une vitre de véhicule qui est revêtue dans des régions - Google Patents

Procédé de production d'une vitre de véhicule qui est revêtue dans des régions

Info

Publication number
EP4392252A1
EP4392252A1 EP22760732.2A EP22760732A EP4392252A1 EP 4392252 A1 EP4392252 A1 EP 4392252A1 EP 22760732 A EP22760732 A EP 22760732A EP 4392252 A1 EP4392252 A1 EP 4392252A1
Authority
EP
European Patent Office
Prior art keywords
pane
masking
metallic coating
intermediate layer
film
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.)
Pending
Application number
EP22760732.2A
Other languages
German (de)
English (en)
Inventor
Andreas GOMER
Jan Hagen
Sebastian Janzyk
Johann ERKENS
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 Sekurit 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 EP4392252A1 publication Critical patent/EP4392252A1/fr
Pending legal-status Critical Current

Links

Classifications

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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
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    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10082—Properties of the bulk of a glass sheet
    • B32B17/10091—Properties of the bulk of a glass sheet thermally hardened
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    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10082—Properties of the bulk of a glass sheet
    • B32B17/10119—Properties of the bulk of a glass sheet having a composition deviating from the basic composition of soda-lime glass, e.g. borosilicate
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    • B32B17/10183—Coatings of a metallic or dielectric material on a constituent layer of glass or polymer being not continuous, e.g. in edge regions
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    • B32B17/10247—Laminated safety glass or glazing containing decorations or patterns for aesthetic reasons
    • B32B17/10256—Laminated safety glass or glazing containing decorations or patterns for aesthetic reasons created by printing techniques
    • B32B17/10266—Laminated safety glass or glazing containing decorations or patterns for aesthetic reasons created by printing techniques on glass pane
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10339—Specific parts of the laminated safety glass or glazing being colored or tinted
    • B32B17/10348—Specific parts of the laminated safety glass or glazing being colored or tinted comprising an obscuration band
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10651—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer comprising colorants, e.g. dyes or pigments
    • B32B17/1066—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer comprising colorants, e.g. dyes or pigments imparting a tint in certain regions only, i.e. shade band
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
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    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/1077—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing polyurethane
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    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
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    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
    • B32B17/10899—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin
    • B32B17/10935—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin as a preformed layer, e.g. formed by extrusion
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    • B32B7/04—Interconnection of layers
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
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    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
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    • C23C14/14—Metallic material, boron or silicon
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/28—Multiple coating on one surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/202—Conductive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B32B2307/4023—Coloured on the layer surface, e.g. ink
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B32B2307/4026—Coloured within the layer by addition of a colorant, e.g. pigments, dyes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/41—Opaque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/412—Transparent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/416—Reflective
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/08—Cars
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/25—Metals
    • C03C2217/251—Al, Cu, Mg or noble metals
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/25—Metals
    • C03C2217/251—Al, Cu, Mg or noble metals
    • C03C2217/252—Al
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/25—Metals
    • C03C2217/251—Al, Cu, Mg or noble metals
    • C03C2217/253—Cu
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/25—Metals
    • C03C2217/251—Al, Cu, Mg or noble metals
    • C03C2217/254—Noble metals
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/25—Metals
    • C03C2217/251—Al, Cu, Mg or noble metals
    • C03C2217/254—Noble metals
    • C03C2217/255—Au
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/25—Metals
    • C03C2217/251—Al, Cu, Mg or noble metals
    • C03C2217/254—Noble metals
    • C03C2217/256—Ag
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/25—Metals
    • C03C2217/257—Refractory metals
    • C03C2217/258—Ti, Zr, Hf
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/25—Metals
    • C03C2217/257—Refractory metals
    • C03C2217/259—V, Nb, Ta
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/25—Metals
    • C03C2217/257—Refractory metals
    • C03C2217/26—Cr, Mo, W
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/25—Metals
    • C03C2217/261—Iron-group metals, i.e. Fe, Co or Ni
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/10—Deposition methods
    • C03C2218/15—Deposition methods from the vapour phase
    • C03C2218/154—Deposition methods from the vapour phase by sputtering
    • C03C2218/156—Deposition methods from the vapour phase by sputtering by magnetron sputtering
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/30—Aspects of methods for coating glass not covered above
    • C03C2218/34—Masking

Definitions

  • the invention relates to a method for producing a partially coated vehicle pane, the partially coated vehicle pane produced by the method and its use.
  • HUD displays have the problem that the area of the windshield that is provided for reflecting the light projected by the projector must have a high level of transparency, usually at least 70%.
  • the reflected light of the projector is therefore superimposed by light from the external environment, which, depending on the lighting conditions, can lead to a reduction in contrast in the virtual image and thus to poorer visual perceptibility for the driver.
  • Sufficient visual perceptibility of information that is particularly relevant to safety, such as lane assistance, speedometer or engine speed should be guaranteed in all weather and light conditions. It would be desirable to have a projection arrangement based on head-up display technology in which no unwanted secondary images occur and whose arrangement can be implemented relatively easily with good visibility and sufficient brightness and contrast of the displayed image information.
  • the glass pane is coated with the atoms released from the target in an evacuated chamber.
  • the atoms move through the chamber towards the glass pane, guided by electric fields. So they move from the cathode, on which the target is arranged, towards the anode. Due to the arrangement of the glass pane between the cathode and the anode, layers form on the glass pane.
  • magnetron sputtering an additional magnetic field is arranged behind the cathode, which leads to faster layer growth and a denser, i.e. less porous, layer.
  • Patent specifications in which sputtering is used to coat glass panes are known, for example, from WO 9900528A1, DE 10126868C1 and WO 2017198363A1.
  • Magnetron sputtering is also suitable for coating glass panes because, unlike many other coating technologies, it can also be used when the glass pane is curved, as is the case for example with panes intended for the automotive sector.
  • a disadvantage of sputtering, however, is that without special precautions, certain surface areas cannot be coated, only the entire surface.
  • the at least one masking is designed as a sheet-like material, preferably only exactly one masking is used to cover the inner surface or the outer surface of the laminated pane in method step (B).
  • the masking has a recess, for example, or is smaller in its areal extent than the inner surface or the outer surface of the composite pane, so that a certain area of the composite pane is not covered by the masking and can be coated in process step (C) using magnetron sputtering .
  • the great advantage of using the plate-shaped material as a mask is its reusability. Is that at least If a mask is designed as a sheet-like material, it can be used several times as a mask when coating composite panes of the same construction.
  • the light reflected by the metallic coating is preferably visible light, i.e. light in a wavelength range from approx. 380 nm to 780 nm.
  • the metallic coating preferably has a high and uniform degree of reflection (over different angles of incidence) compared to p-polarized and/or s- polarized radiation, so that a high-intensity and color-neutral image display is guaranteed.
  • At least one masking print is applied to at least one edge area of the inner surface of the outer pane.
  • the at least one masking is applied to the inner surface of the inner pane in method step (B) in such a way that it is at most partially and preferably not at all covered by the masking print when viewed through the laminated pane.
  • the invention further relates to a vehicle pane coated in areas according to the invention, at least comprising:
  • FIG. 1 shows a plan view of an embodiment of the vehicle window according to the invention
  • FIG. 2 shows a cross-sectional view of the vehicle window from FIG.
  • FIG. 5 plan views of a laminated pane during an embodiment of the method according to the invention
  • FIG. 7 Cross-sectional views of the laminated pane during an extended embodiment of the method according to the invention from FIG. 5 and FIG. 6.
  • the vehicle pane 100 comprises an outer pane 2 , an inner pane 3 and a thermoplastic intermediate layer 4 which is arranged between the outer pane 2 and the inner pane 3 .
  • the vehicle window 100 is installed in a vehicle, for example (not shown here) and separates an interior 9 from an external environment 10 .
  • the vehicle window 100 is the windshield of a motor vehicle.
  • the inner pane 3 therefore faces the interior 9 , for example, and the outer pane 2 faces the outer environment 10 , for example.
  • the outer pane 2 and the inner pane 3 are each made of glass, preferably thermally toughened soda-lime glass, and are transparent to visible light.
  • the outer surface I of the outer pane 2 faces away from the thermoplastic intermediate layer 4 and is at the same time the outer surface of the vehicle pane 100.
  • the inner surface II of the outer pane 2 and the outer surface III of the inner pane 3 each face the intermediate layer 4.
  • the inner surface IV of the inner pane 3 faces away from the thermoplastic intermediate layer 4 and is at the same time the inside of the vehicle pane 100.
  • the vehicle pane 100 can have any suitable geometric shape and/or curvature. As a windshield, it typically has a convex curvature.
  • the vehicle window 100 also has a peripheral side edge which, in the installed position, comprises an upper edge located at the top and a lower edge located at the bottom, as well as two side edges located on the left and right.
  • Figure 1 shows the top view of the inner surface IV of the inner pane 3.
  • Figure 2 shows that in an edge region 8, 8a, 8b on the inner surface IV of the inner pane 3 a frame-shaped circumferential first masking print 7, 7a is applied (in the top view in Figure 1 not shown in black to better show the shape of the vehicle window 100).
  • the first masking print 7, 7b is opaque and consists of an electrically non-conductive material conventionally used for masking prints, for example a black-colored screen printing ink that is baked
  • the vehicle pane 100 has a second covering print 7, 7b on the inner surface II of the outer pane 2 in the edge region 8, 8a, 8b.
  • the second cover print 7, 7b is designed in the shape of a frame.
  • the second masking print 7, 7b consists of an electrically non-conductive material conventionally used for masking prints, for example a black-colored screen printing ink that is baked.
  • the first and the second cover pressure 7, 7a, 7b are also provided, for example, from the outside the view of the inside of To prevent vehicle window 100 arranged structures, such as an adhesive bead for gluing the vehicle window 100 in a vehicle body.
  • the metallic coating 5 has reflective properties for visible light and reflects, for example, at least 80% of a visible light impinging on it.
  • the metallic coating 5 can also overlap in some areas with the first and/or second cover print 7, 7a, 7b.
  • the metallic coating 5 can also be applied in some areas to the first cover print 7, 7a.
  • the vehicle pane 100 can be used as part of a projection arrangement. If the vehicle pane 100 is installed in a vehicle as a windscreen, an LED display installed in the dashboard can be used as an image generator, for example. The LED display is then used to generate light (image information), which is emitted onto the metallic coating 5 and is radiated through the metallic coating 5 as reflected light into the interior 9, where it can be seen by an observer, for example the driver can.
  • the metallic coating 5 is designed to be suitable for reflecting the light of the LED display, ie an image of an image display in general. In this way, information such as the speed of the vehicle, the fuel gauge or the temperature of the radiator can be communicated visually to the vehicle occupants.
  • the use of the windshield 100 for this purpose makes it possible, at the same time, to reduce the bulkiness of the dashboard (conventionally displaying this information on a display).
  • the variants shown in the cross-sectional view in FIGS. 3 and 4 essentially correspond to vehicle window 100 from FIGS. 1 and 2, so that only the differences are discussed here and otherwise reference is made to the description of FIGS.
  • the second masking print 7, 7b has a widening in the edge region 8, 8a of vehicle window 100 along the lower edge of vehicle window 100, so that second masking print 7, 7b can be seen through vehicle window 100 and looking into the interior 9 from the external environment 10, the metallic coating 5 being obscured.
  • the metallic coating 5 is thus applied to the so that it is completely covered by the second covering print 7, 7b.
  • a transparent protective layer 6 is applied congruently to the metallic coating 5 .
  • the protective layer 6 is based on polyoximes, for example, and has a thickness of 1 ⁇ m.
  • the protective layer 6 protects the metallic coating 5 from mechanical damage such as scratches.
  • the pane 100 according to the invention shown in FIG. 4 has no second covering print 7, 7b.
  • the thermoplastic intermediate layer 4 is formed by an opaque thermoplastic film 4a and a transparent thermoplastic film 4b.
  • the opaque thermoplastic film 4a and the transparent thermoplastic film 4b consist, for example, of a thermoplastic, preferably polyvinyl butyral (PVB), ethylene vinyl acetate (EVA) and/or polyethylene terephthalate (PET) and have a thickness of 0.38 mm.
  • the opaque thermoplastic film 4a is colored black, for example.
  • the opaque thermoplastic film 4a and the transparent film 4b are offset from one another and do not overlap when viewed through the vehicle window 100 .
  • the opaque thermoplastic film 4a is applied circumferentially in the form of a frame and is flush with the upper edge, lower edge and the two side edges of the vehicle window 100 .
  • the transparent thermoplastic film 4b arranged within the frame-shaped opaque film 4a, comprising the viewing area of the vehicle window 100.
  • the opaque film 4a is widened in an edge region 8, 8a of the vehicle window 100 along the lower edge of the vehicle window 100, so that the opaque thermoplastic film 4a, looking through the vehicle window 100 and from the external environment 10 into the interior 9, has the metallic coating 5 hidden.
  • the metallic coating 5 is thus applied to the inner surface IV of the inner pane 3 in such a way that it is completely covered by the opaque thermoplastic film 4a.
  • FIG. 5 and FIG. 6 show an embodiment of the method according to the invention for producing the vehicle window 100 as shown, for example, in FIG. 1 and FIG. Figure 5 shows a top view of the laminated pane 1 after each process step and Figure 6 shows a cross-sectional view of the laminated pane 1 after each process step from Figure 5.
  • the cross-sectional view of Figure 6 corresponds to the section line BB' of the laminated pane 1, as indicated in Figure 5.
  • a laminated pane 1 comprising an inner pane 3, an outer pane 2 and a thermoplastic intermediate layer 4 is provided (FIG. 5 (A) and FIG. 6 (A)).
  • the thermoplastic intermediate layer 4 is arranged between the inner pane 3 and the outer pane 2 .
  • the inner pane 3 has an outer surface III which faces the thermoplastic intermediate layer 4 and an inner surface IV which faces away from the thermoplastic intermediate layer 4 .
  • a covering print 7, 7a is applied to the inner surface IV in the form of a frame along the upper edge, lower edge and the side edges of the laminated pane 1.
  • the outer pane 2 has an outer surface I, which faces away from the thermoplastic intermediate layer 4, and an inner surface II, which faces the thermoplastic intermediate layer 4.
  • a second masking print 7, 7b is applied in the form of a frame along the upper edge, lower edge and the side edges of the laminated pane 1.
  • a masking 11 is applied to the inner surface IV of the inner pane 3 (FIG. 5 (B) and FIG. 6 (B).
  • the masking 11 exists for example, from a coherent sheet-like material made of copper, which has the same curvature (preferably convex curvature) as the composite pane 1.
  • the masking 11 is applied flush with the upper edge, the lower edge and the side edges of the laminated pane 1 on the inner surface IV.
  • the masking 11 has a recess 12, as a result of which the inner surface IV of the inner pane 3 is not completely covered by the masking 11.
  • the recess 12 is arranged in a lower area, closer to the lower edge than to the upper edge of the laminated pane 1 and extends from left to right with a width of 30 cm, for example.
  • width means the width perpendicular to the extension.
  • the recess 12 borders on the left, right and bottom in a plan view of the laminated pane 1 on the first cover print 7, 7a.
  • the inner surface IV of the inner pane 3 is coated with a metallic coating 5 by means of magnetron sputtering (FIG. 5 (C) and FIG. 6 (C)). Due to the masking 11 on the inner surface IV of the inner pane 3, the masking 11 is coated with the metallic coating 5, the metallic coating 5 being applied directly to the inner surface IV of the inner pane 3 in the area of the recess 12 of the masking 11.
  • the masking 11 coated with the metallic coating 5 is removed from the inner surface IV of the inner pane 3 (FIG. 5 (D) and FIG. 6 (D)).
  • the metallic coating 5, which was applied in the area of the cutout 12, remains even after the masking 11 has been removed.
  • the inner surface IV of the inner pane 3 thus has a metallic coating 5 applied in certain areas.
  • a cleanly separated area between the uncoated area and the coated area of the inner surface IV of the inner pane 3 is achieved by means of the method according to the invention.
  • the magnetron sputtering can thus be used by means of the method according to the invention for area-wise instead of just full-area coating.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Laminated Bodies (AREA)

Abstract

La présente invention se rapporte à un procédé de fabrication d'une vitre de véhicule (100) qui est revêtue dans des régions, comprenant au moins les étapes de procédé suivantes : (A) la fourniture d'une vitre feuilletée (1) avec une surface externe (I) et une surface interne (IV) et un bord latéral d'encerclement, (B) l'application d'au moins un masque (11) sur au moins une zone de la surface externe (I) ou de la surface interne (IV) de la vitre feuilletée (1), (C) l'application d'un revêtement métallique (5) au moyen d'une pulvérisation magnétron sur la surface externe (I), dotée de l'au moins un masque (11), ou sur la surface interne (IV), dotée de l'au moins un masque (11), de la vitre feuilletée (1), (D) le retrait de l'au moins un masque (11) et du revêtement métallique (5) appliqué sur l'au moins un masque (11) à partir de la surface externe (I) ou de la surface interne (IV) de la vitre feuilletée (1).
EP22760732.2A 2021-08-26 2022-08-03 Procédé de production d'une vitre de véhicule qui est revêtue dans des régions Pending EP4392252A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21193353 2021-08-26
PCT/EP2022/071769 WO2023025546A1 (fr) 2021-08-26 2022-08-03 Procédé de production d'une vitre de véhicule qui est revêtue dans des régions

Publications (1)

Publication Number Publication Date
EP4392252A1 true EP4392252A1 (fr) 2024-07-03

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EP (1) EP4392252A1 (fr)
CN (1) CN116034042A (fr)
WO (1) WO2023025546A1 (fr)

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Publication number Priority date Publication date Assignee Title
WO2024217882A1 (fr) 2023-04-17 2024-10-24 Saint-Gobain Glass France Feuille de verre composite ayant un élément de plaque de hud
US20260035293A1 (en) * 2024-07-31 2026-02-05 Corning Incorporated Substrates with alkali depletion region

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EP0905273B1 (fr) 1993-07-28 2002-10-16 Asahi Glass Company Ltd. Procédé pour la production des couches
DE19726966C1 (de) 1997-06-25 1999-01-28 Flachglas Ag Verfahren zur Herstellung einer transparenten Silberschicht mit hoher spezifischer elektrischer Leitfähigkeit , Glasscheibe mit einem Dünnschichtsystem mit einer solchen Silberschicht und deren Verwendung
US6280821B1 (en) * 1998-09-10 2001-08-28 Ppg Industries Ohio, Inc. Reusable mask and method for coating substrate
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