WO2019048705A1 - Procédé pour la fabrication de verres de sécurité présentant un revêtement de protection contre le soleil et/ou la chaleur, transparent au rayonnement haute fréquence - Google Patents

Procédé pour la fabrication de verres de sécurité présentant un revêtement de protection contre le soleil et/ou la chaleur, transparent au rayonnement haute fréquence Download PDF

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Publication number
WO2019048705A1
WO2019048705A1 PCT/EP2018/074477 EP2018074477W WO2019048705A1 WO 2019048705 A1 WO2019048705 A1 WO 2019048705A1 EP 2018074477 W EP2018074477 W EP 2018074477W WO 2019048705 A1 WO2019048705 A1 WO 2019048705A1
Authority
WO
WIPO (PCT)
Prior art keywords
thin
film system
safety glass
frequency radiation
layers
Prior art date
Application number
PCT/EP2018/074477
Other languages
German (de)
English (en)
Inventor
Josef FAILER
Martin Rädel
Original Assignee
Flachglas Wernberg Gmbh
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 Flachglas Wernberg Gmbh filed Critical Flachglas Wernberg Gmbh
Publication of WO2019048705A1 publication Critical patent/WO2019048705A1/fr

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Classifications

    • 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
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3628—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer one layer at least containing a sulfide
    • 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
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3644—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the metal being silver
    • 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
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3649—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer made of metals other than silver
    • 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
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3657—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the multilayer coating having optical properties
    • C03C17/366—Low-emissivity or solar control coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
    • 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
    • C03C2218/32—After-treatment
    • C03C2218/328—Partly or completely removing a coating

Definitions

  • the invention relates to a method for producing safety glass with a high-frequency radiation, in particular microwave radiation permeable solar and / or thermal insulation coating according to the preamble of claim 1 and a manufactured according to this method
  • Glazing with solar and / or thermal insulation coatings of metals or metal alloys Use, by means of which, for example, the heat input of solar radiation is regulated in the vehicle or building interior and / or the heat transmission from the vehicle or building interior is reduced to the outside.
  • Such solar and / or thermal protective coatings can be produced for example by means of a vacuum coating method in the form of a thin-film system on a glass substrate.
  • the thin-layer system comprises, for example, several layers of preferably different materials, which are electrically evaporated in a vacuum and condense by the energy released on the glass surface to be coated.
  • the layers consist of metals and / or metal alloys as well as interference layers.
  • the arrangement of the individual layers relative to one another and the properties of the materials used determine the physical properties of the coating, for example the transparency and the frequency selectivity of the coating.
  • safety requirements are also placed on glazings, which has led to the use of safety glass in combination with such metallic sun and / or thermal insulation coatings.
  • Safety glasses are distinguished in principle two types, namely
  • a laminated safety glass consists of at least two interconnected glass panes, which can be made as individual panes of float glass or also of prestressed individual panes or single pane safety panes.
  • the connection of the at least two panes of glass is carried out by means of a special laminating film which is laid between the panes and then pressed in an autoclaving process at temperatures around 140 ° C under a pressure of 12-14 bar.
  • the safety feature is that if the glass is broken mechanically, but the glass breaks, the resulting chips still stick to the laminating film and thus no dangerous splinters of glass can be produced and the disk as a whole remains intact.
  • the safety glasses mentioned can be produced both in a flat and in a curved design.
  • the glasses are brought in a temperature process at about 650 ° C by suitable forms in the desired bend.
  • the bias voltage can be controlled accordingly.
  • Thermal insulation coatings consists in the attenuation of high-frequency
  • the attenuation of the high-frequency radiation caused by the solar and / or thermal protection coatings is, for example, up to 30-40 decibels and depends on the sheet resistance of the metallic one
  • Heat protection coatings are particularly troublesome for the operation of - -
  • the object of the present invention is therefore a process for the production of safety glasses with one for high-frequency radiation, in particular
  • Break lines existing raster line structure is subsequently introduced into a already on the security glass substrate layer over the entire surface produced thin film system by means of lasers and thereby the thin film system in a plurality of thin film sections to produce the permeability of the
  • Thin-film system is segmented for high-frequency radiation.
  • the raster line structure is introduced over the entire pane surface into the thin-film system likewise produced over the entire area.
  • Thin film systems have a sheet resistance of up to 1 ohm / square and thereby a significant additional Attenuation of a safety glass with a formed by the thin-film solar and / or thermal insulation coating of about 25 to 40 decibels for high-frequency radiation, for example, a wavelength in the range of, for example, 700 MHz to 2600 MHz results.
  • a targeted at least partial interruption of the current flow within the thin-film system by means of a segmentation of this into individual, separate thin-film sections, the thin-layer system and thus the sun and / or heat protection coating formed by it is no longer "conductive" for such high-frequency radiation
  • the attenuation behavior of the thin-film system is reduced to less than 10 decibels and thus improves the transmission for high-frequency radiation. [Eine vorteilhaft]
  • a reduction of the attenuation of up to 98% is particularly advantageously achieved irrespective of the polarization direction of the high-frequency radiation and its input and emission angles trouble-free view and has neither active
  • the raster line structure is subsequently introduced by means of lasers into a thin-film system already produced over the entire surface of the safety glass substrate layer.
  • Printing can be effectively avoided, i. by the subsequent
  • the raster line structure is introduced into the thin-film system while retaining the safety properties of the safety glass.
  • the thin-layer system produced by means of thermal vapor deposition method is preferably traversed over the entire area by the "raster line structure" according to the invention in order to be able to provide the optimized damping behavior over the entire pane surface.
  • the raster line structure is subsequently introduced by means of lasers into a thin-film system already produced over the entire surface of the safety glass substrate layer.
  • the introduction of the raster line structure is thus advantageously at the end of the manufacturing process of the safety glass, and indeed by the use of suitable laser devices processing the Thin-film system in ⁇ range done.
  • a full-surface and / or large-scale processing of the thin-film system is possible and takes place, for example, via a corresponding software-controlled guidance of a laser beam impinging perpendicularly on the thin-film system.
  • Raster line structure is less than 1/10 of the wavelength of the high-frequency radiation to be transmitted. Investigations have shown that at higher
  • Grid spacing increases with increasing frequency of high-frequency radiation and the attenuation.
  • laboratory investigations have a particularly advantageous permeability or low attenuation in one
  • Grid spacing of less than 2 mm in the horizontal and vertical directions at frequencies up to 3 GHz result.
  • the grid spacing is less than 1 mm.
  • interruption lines with a line width of 30 to 300 microns, preferably 50 microns to 200 microns in the
  • the produced layers of the thin-film system preferably evaporated in layers by means of lasers or the laser radiation generated by a laser device.
  • the layer produced by the thermal vapor deposition method can be vapor-deposited again particularly easily and with low energy input by means of preferably infrared laser radiation.
  • the thin-film system is partially or completely removed by lasering in the region of the interruption lines as far as the safety glass substrate layer. With complete removal, ie complete separation of the electrical connections between the thin-film sections, a significant improvement in the transmission of high-frequency radiation could be achieved. - -
  • Laser device generates a laser radiation that in terms of depth of focus
  • Energy density and / or focus diameter is adapted to the thin film system or its layer structure. This will effectively damage the thin film system or its layer structure. This will effectively damage the thin film system or its layer structure. This will effectively damage the thin film system or its layer structure. This will effectively damage the thin film system or its layer structure. This will effectively damage the thin film system or its layer structure. This will effectively damage the thin film system or its layer structure. This will effectively damage the thin film system or its layer structure. This will effectively damage the
  • Vapor deposition a thin film system comprising several layers made of different materials, namely for example layers of gold, silver, copper, aluminum, zinc, NiCr, Cr-Al-Fe and / or ZnS.
  • the transmissivity of the high-frequency radiation thin-film system is adapted for use in the vehicle or building sector, for a frequency range between, for example, 700 MHz to 5000 MHz, preferably 700 MHz to 2600 MHz.
  • the attenuation of the thin-film system for this high-frequency radiation is reduced by more than 90%.
  • FIG. 1 shows by way of example a schematic side view of a longitudinal side of a safety glass with a sun and / or heat protection coating applied over its entire surface and a laser device
  • FIG. 2 shows, by way of example, a schematic side view of the safety glass according to FIG. 2 with interruption lines already introduced into the thin-film system by means of the laser device
  • FIG. 3 shows by way of example a schematic plan view of a safety glass with a thin-layer system segmented according to the invention by introducing horizontal and vertical interruption lines.
  • FIG. 1 shows, by way of example, a schematic section through a safety glass 1 with a sun and / or heat protection coating 2 applied over its entire area to a safety glass substrate layer 4.
  • Such safety glasses 1 are preferably used in the vehicle sector or in the building sector. For example, these are used in trains, ships or similar vehicles.
  • the safety glasses 1 can be realized both as security glass or single-pane safety glass.
  • Safety glasses 1 in the sense of the invention are passive elements, i. these do not include active components or components housed in the glass, such as in the case of antenna disks.
  • Safety glass substrate layer 4 to form which is the starting point for the production of a high-frequency radiation, in particular microwave radiation permeable solar and / or thermal insulation coating 2.
  • the sun and / or heat protection coating 2 is in the form of a
  • Thin-film system 3 realized, which consists of several metal or one - -
  • Metal alloy produced layers 3.1 to 3.3 includes. In the present
  • the thin-film system 3 by way of example a first to third layer 3.1 to 3.3. It is understood that the thin-film system 3 may comprise a different number of layers 3.1 to 3.3, without departing from the inventive concept.
  • Advantageous is the
  • Heat protection coating 2 also formed for thermal insulation, whereby a heating of the separated over the safety glass 1, preferably
  • the solar and / or thermal insulation coating 2 is further on a
  • Safety glass substrate layer 4 by means of a vacuum coating method, in particular a thermal vapor deposition method in the form of
  • safety glass substrate layer 4 may itself be designed as a multilayer system and / or may have a printed layer.
  • the thin film system 3 is applied to the surface ⁇ of the security glass substrate layer 4, in layers, i. the individual layers 3.1 to 3.3 are generated one after the other by means of the thermal vapor deposition method.
  • the layers 3.1 to 3.3 of the thin-film system 3 are preferably made of different materials, which are electrically evaporated in a vacuum and by the energy released on the surface of the
  • Condensate safety glass substrate layer 4 consist of metals and metal alloys as well as interference layers.
  • Typical vapor deposition materials for the individual layers 3.1 to 3.3 are, for example, gold, silver, copper, aluminum, zinc, NiCr, Cr-Al-Fe or ZnS.
  • Sun and / or heat protection coating 2 can be set specifically.
  • the layers 3.1 to 3.3 of the thin-film system 3 continue to allow trouble-free viewing of the viewer through the
  • the thermal sputtering process is independent of the nature of the security glass substrate layer 4, i. can be used for the coating of different safety glass substrate layers 4.
  • the thermal vapor deposition method for producing a thin-film system 3 can be used equally on plane as well as on curved safety glass substrate layers 4.
  • the thermal vapor deposition process has essentially four process phases:
  • Base layer made of, for example, ZnS or NiCr, a dielectric layer and a metal layer made of gold or silver.
  • a thin film system 3 commonly used in practice includes an NiCr layer bonded to the security glass substrate layer 4, followed by a silver layer, a manganese layer, and a ZnS layer. Also often finds a thin film system 3 application, which, for example, to the
  • Security glass substrate layer 4 has bonded ZnS layer followed by a NiCr layer, a silver layer, a manganese layer and a ZnS layer.
  • a sheet resistance of up to less than 2 ohms / square or ohms / square results, whereby a high-frequency radiation, in particular microwave radiation in the range of, for example, 700 MHz to 5000 MHz with an additional attenuation of 30 - 40 decibels is applied.
  • UMTS Telecommunications System
  • the transmission band is between 1920 MHz to 1980 MHz and the reception band between 2110 MHz to 2170 MHz.
  • a UMTS mobile signal would thus noticeably through the
  • it is the fourth generation mobile radio standard, also called Long Term Evolution (LTE), which is designed for a transmission band between 700 to 2700 MHz. - 1 -
  • LTE Long Term Evolution
  • Thin-film system 3 according to the invention subjected to a laser processing namely, in the thin-film system 3, a consisting of several horizontal and vertical lines of interruption 5, 6 Rasteriinien Design 7 is introduced by means of lasers and thereby the thin film system 3 in a variety of
  • Grid line structure 7 is thus subsequently in the on the
  • Safety glass substrate layer 4 already produced over the entire surface thin-layer system 3 introduced by means of lasers. Particularly preferably, the extends
  • Rectangular line structure 7 according to the invention over the entire thin-film system 3 and thus also over the entire pane surface of the safety glass 1.
  • the layers 3.1 to 3.3 of the thin-film system 3 produced by the thermal vapor deposition method are preferably produced in layers by means of lasers or by a laser device 8
  • Laser device 8 generated laser radiation 9 focused into the ablatierenden layers 3.1 to 3.3 as absorption layers of the laser radiation 9 coupled.
  • the raster line structure 7 produced in this way is preferably designed like a grid, so that, for example, rectangular or square thin-film sections 3 'are formed.
  • a plurality of mutually parallel horizontal lines of interruption 5 and a plurality of vertical lines of interruption 6, each likewise parallel to one another, are introduced into the thin-layer system 3.
  • the break lines 5, 6 are preferably with a
  • Rasteriinien Design 7 are chosen smaller than 2 mm, preferably smaller than 1 mm.
  • a laser device 8 is provided according to the invention, which for
  • the Laser device 8 is preferably designed as an infrared laser device.
  • the laser device 8 as well as the optics and / or focusing device used for generating the laser radiation or the laser beam 9 are selected such that damage to the safety glass substrate layer 4 and possibly existing printing is avoided and the corresponding safety properties of the safety glass substrate layer 4 are not impaired.
  • FIGS. 1 and 2 For a detailed description of the directions of movement of the laser device 8, a Cartesian coordinate system with an x, y and z spatial axis is shown in FIGS. 1 and 2.
  • the safety glass 1 is hereby arranged by way of example in a plane extending parallel to the x-y plane of the Cartesian coordinate system.
  • the laser device 8 is based on the Cartesian
  • the laser device 8 is - as shown in Figures 1 and 2 - perpendicular to the surface ⁇ of the safety glass 1 above the processed
  • the laser beam 9 generated by the laser device 8 thus runs along the z-axis of the drawn Cartesian coordinate system and thus coincides perpendicular to the
  • Thin-film system 3 which extends in a direction parallel to the x-y plane. Due to the adjustability of the laser device 8 along the z-axis is also a processing of curved safety glass 1 and arranged thereon
  • the laser radiation 9 generated by the laser device 8 is adapted to the thin-film system 3 or its layer structure in terms of depth of focus, energy density and / or focus diameter.
  • High-performance optics in a stationary processing field for example a size of 15 x 15 cm.
  • high-resolution sensor unit which preferably operates in the m range.
  • FIG. 3 shows, by way of example, a schematic plan view of a safety glass 1, namely its solar and / or thermal protection coating 2 formed by the thin-film system 3 according to the invention.
  • the thin-film system 3 has, by way of example, a lattice-like grid pattern 7 which is formed by a multiplicity of horizontal and vertical interrupt lines 5, 6.
  • a lattice-like grid pattern 7 which is formed by a multiplicity of horizontal and vertical interrupt lines 5, 6.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Surface Treatment Of Glass (AREA)

Abstract

L'invention concerne un procédé pour la fabrication de verres de sécurité (1) présentant un revêtement de protection (2) contre le soleil et/ou la chaleur, transparent au rayonnement haute fréquence, en particulier au rayonnement de micro-ondes, dans lequel le revêtement de protection (2) contre le soleil et/ou la chaleur est réalisé sur une couche de substrat (4) de verre de sécurité au moyen d'un procédé de revêtement sous vide, en particulier d'un procédé d'évaporation thermique sous forme d'un système à couches minces (3) comprenant plusieurs couches (3.1 – 3.3). De manière particulièrement avantageuse, on introduit ultérieurement, à l'aide de lasers, dans un système à couches minces (3) déjà produit sur toute la surface sur la couche de substrat (4) de verre de sécurité, une structure de lignes de grille (7) constituée par plusieurs lignes d'interruption (5, 6) horizontales et verticales et le système à couches minces (3) est ainsi segmenté en une multitude de sections à couches minces (3') pour augmenter la transparence du système à couches minces (3) au rayonnement haute fréquence.
PCT/EP2018/074477 2017-09-11 2018-09-11 Procédé pour la fabrication de verres de sécurité présentant un revêtement de protection contre le soleil et/ou la chaleur, transparent au rayonnement haute fréquence WO2019048705A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017120915.5 2017-09-11
DE102017120915.8A DE102017120915A1 (de) 2017-09-11 2017-09-11 Verfahren zur Herstellung von Sicherheitsgläsern mit einer für hochfrequente Strahlung durchlässigen Sonnen- und/oder Wärmeschutzbeschichtung

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Publication Number Publication Date
WO2019048705A1 true WO2019048705A1 (fr) 2019-03-14

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WO (1) WO2019048705A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110289487A (zh) * 2019-07-03 2019-09-27 讯创(天津)电子有限公司 一种利用真空镀结合激光工艺的天线制备方法及5g天线
US20220177363A1 (en) * 2019-04-30 2022-06-09 Agc Glass Europe Glazing unit with frequency selective coating and method
US12071368B2 (en) * 2019-04-30 2024-08-27 Agc Glass Europe Glazing unit with frequency selective coating and method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3096929B1 (fr) * 2019-06-06 2021-09-03 Schott Vtf Méthode de réalisation d’un panneau décoratif

Citations (2)

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Publication number Priority date Publication date Assignee Title
DE19508042A1 (de) 1994-03-07 1995-10-26 Nippon Sheet Glass Co Ltd Für elektrische Strahlung durchlässige und wärmereflektierende Beschichtung und zugeordneter Herstellungsprozeß
WO2014033007A1 (fr) * 2012-08-28 2014-03-06 Saint-Gobain Glass France Vitre revêtue présentant des zones dénudées

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Publication number Priority date Publication date Assignee Title
US5364685A (en) * 1991-08-13 1994-11-15 Central Glass Company, Limited Laminated panel with low reflectance for radio waves
DE10314094A1 (de) * 2002-09-17 2004-03-25 Pilkington Automotive Deutschland Gmbh Antennenscheibe
EP2586610B1 (fr) * 2011-10-27 2014-05-07 Saint-Gobain Glass France Plaque dotée d'une transmission haute fréquence

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
DE19508042A1 (de) 1994-03-07 1995-10-26 Nippon Sheet Glass Co Ltd Für elektrische Strahlung durchlässige und wärmereflektierende Beschichtung und zugeordneter Herstellungsprozeß
WO2014033007A1 (fr) * 2012-08-28 2014-03-06 Saint-Gobain Glass France Vitre revêtue présentant des zones dénudées

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220177363A1 (en) * 2019-04-30 2022-06-09 Agc Glass Europe Glazing unit with frequency selective coating and method
US12071368B2 (en) * 2019-04-30 2024-08-27 Agc Glass Europe Glazing unit with frequency selective coating and method
CN110289487A (zh) * 2019-07-03 2019-09-27 讯创(天津)电子有限公司 一种利用真空镀结合激光工艺的天线制备方法及5g天线

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