WO2015079849A1 - Plaque de verre trempé et procédé de fabrication d'une plaque de verre trempé - Google Patents

Plaque de verre trempé et procédé de fabrication d'une plaque de verre trempé Download PDF

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Publication number
WO2015079849A1
WO2015079849A1 PCT/JP2014/078565 JP2014078565W WO2015079849A1 WO 2015079849 A1 WO2015079849 A1 WO 2015079849A1 JP 2014078565 W JP2014078565 W JP 2014078565W WO 2015079849 A1 WO2015079849 A1 WO 2015079849A1
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Prior art keywords
tempered glass
compressive stress
fusing
laser
plate
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PCT/JP2014/078565
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English (en)
Japanese (ja)
Inventor
尚利 稲山
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日本電気硝子株式会社
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Publication of WO2015079849A1 publication Critical patent/WO2015079849A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/40—Removing material taking account of the properties of the material involved
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/08—Severing cooled glass by fusing, i.e. by melting through the glass
    • C03B33/082—Severing cooled glass by fusing, i.e. by melting through the glass using a focussed radiation beam, e.g. laser
    • 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
    • C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
    • C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions

Definitions

  • the present invention relates to a tempered glass plate in which a compressive stress layer is formed on the front and back surface portions by chemical strengthening treatment, and a method for producing the tempered glass plate.
  • the tempered glass plate is widely used as a cover glass for displays in mobile devices such as smartphones and tablet PCs that have been rapidly spreading in recent years. Since these mobile devices are required to be lightweight, at present, thinning is being promoted in the tempered glass plate employed in the devices.
  • a method of manufacturing a tempered glass plate for example, there are a method by physical strengthening (air cooling strengthening method) and a method by chemical strengthening (ion exchange method). The method by is often adopted.
  • a compressive stress layer having a thickness in the thickness direction is formed on the front and back surface portions as an ion strengthening layer.
  • Patent Documents 1 and 2 disclose tempered glass plates with improved end face strength as tempered glass plates that can compensate for these disadvantages.
  • Patent Document 1 discloses a tempered glass plate in which a compressive stress layer is formed not only on the surface layer portion on the front and back surfaces but also on the surface layer portion on the end surface by chemical strengthening treatment.
  • Patent Document 2 although strengthened by physical strengthening instead of chemical strengthening, a tempered glass sheet in which a compressive stress layer is formed on the surface layer portion of the end face is the same as the strengthened glass sheet disclosed in Patent Document 1. Is disclosed.
  • the compressive stress layer formed on the surface portion of the end face can avoid the development of defects generated on the end face, and prevent the tempered glass sheet from being damaged. Expected to gain.
  • the strengthening modes disclosed in these documents sufficiently ensure the strength of the end face that can prevent breakage. There is a risk that it will be impossible.
  • the present invention devised to solve the above problems is a tempered glass plate in which a compressive stress layer having a thickness in the plate thickness direction is formed on the surface layer portion of the front and back surfaces by a chemical strengthening treatment, and becomes an outer peripheral edge.
  • a reinforced portion where compressive stress is applied to the surface layer portion of the end surface, with the direction from the end surface toward the inside along the thickness direction of the reinforced portion being positive, the distance from the end surface is taken on the horizontal axis, and the compressive stress is positive,
  • the stress distribution in the section corresponding to the thickness of the strengthened portion on the horizontal axis is two compressive stresses. Characterized by having a mountain.
  • “compressive stress crest” means that the values of compressive stress are continuously distributed so as to draw a crest.
  • the thickness of the reinforced portion is twice or more the thickness of the compressive stress layer.
  • the tempered glass plate with further improved end surface strength can be obtained.
  • the height of the compressive stress peak located on the end face side of the two compressive stress peaks is higher than the height of the compressive stress peak located on the inner side.
  • the height of the peak of compressive stress means the maximum value of the compressive stress included in the peak.
  • the width of the compressive stress peak located on the inner side of the two compressive stress peaks is wider than the width of the compressive stress peak positioned on the end face side.
  • the width of the compressive stress peak means that when a straight line parallel to the horizontal axis passing through the bottom of the valley formed by the two compressive stress peaks is drawn, This means the distance from the intersection point to the valley bottom (for details, refer to the embodiment described later).
  • the present invention which was created to solve the above-mentioned problems, is a method for producing a tempered glass plate, wherein the tempered plate glass is irradiated with a fusing laser to blow the plate glass, and the blown plate glass. And a tempering step for forming a tempered glass sheet by chemical strengthening treatment.
  • the laser-irradiated region is melted by laser heat to generate a molten glass.
  • generated molten glass thermally expands and compresses a peripheral site
  • the strengthening step when the melted sheet glass is chemically strengthened, a compressive stress is newly generated in the surface layer portion of the cut end surface due to the chemical strengthening process.
  • the surface layer portion of the end face of the manufactured tempered glass plate (the cut end face of the plate glass before tempering) has a compressive stress generated due to melting and a compressive stress generated due to chemical strengthening treatment. Both can be in a working state. As a result, the strength of the end face in the tempered glass plate can be improved.
  • the value of the coefficient of thermal expansion of the plate glass in the temperature range of 30 ° C. to 380 ° C. is preferably in the range of 50 ⁇ 10 ⁇ 7 / ° C. to 110 ⁇ 10 ⁇ 7 / ° C.
  • the peripheral portion can be suitably compressed by the molten glass when the molten glass is thermally expanded in the fusing step.
  • the compression stress generated due to fusing it is possible to make the compression stress generated due to fusing more effective.
  • the plate glass is heated by the irradiation of the fusing laser, it is possible to suitably avoid the occurrence of a problem that causes the plate glass to crack.
  • the fusing laser is preferably a pulsed laser.
  • a stress wave can be made to act intermittently with respect to molten glass in a fusing process.
  • the plate glass by the heat of the defocused laser can be preheated.
  • region of the advancing direction of fusing it becomes possible to cool a plate glass gradually with the heat
  • FIG. 1 is a cross-sectional view showing a tempered glass sheet G according to an embodiment of the present invention.
  • the tempered glass plate G has a compressive stress layer A having a thickness T1 in the plate thickness direction formed on the surface layer portions of the front surface Ga and the back surface Gb by chemical strengthening treatment. Further, a tensile stress layer B is formed between the two compressive stress layers A.
  • the tempered glass sheet G has a rectangular shape, and includes a reinforced portion S along the entire circumference at the outer peripheral end of the rectangle.
  • FIG. 2 is a diagram showing the stress distribution of the tempered glass sheet G.
  • the horizontal axis in FIG. 2 indicates the distance from the point O, with the direction X going inward along the thickness direction of the reinforced portion S from the point O on the end face Gc shown in FIG.
  • the vertical axis in FIG. 2 indicates the value of stress acting on the tempered glass sheet G, with the compressive stress being positive and the tensile stress being negative.
  • the tempered glass sheet G has a stress in a section corresponding to the thickness T2 of the reinforced portion S on the horizontal axis (in a section from the point O on the end face Gc to the tensile stress layer B).
  • the distribution has two compressive stress peaks M1, M2.
  • the values of the compressive stress are continuously distributed so as to draw a peak.
  • a valley V is formed by two compressive stress peaks M1 and M2.
  • the height P1 of the compressive stress peak M1 positioned on the end face Gc side is higher than the height P2 of the compressive stress peak M2 positioned on the inner side.
  • the width W2 of the compressive stress peak M2 located on the inner side is wider than the width W1 of the compressive stress peak M1 positioned on the end face Gc side.
  • the height P1 (P2) of the compression stress peak M1 (M2) is the maximum value of the compression stress included in the compression stress peak M1 (M2).
  • the width W1 (W2) of the compressive stress peak M1 (M2) is such that when a straight line X ′ parallel to the horizontal axis passing through the valley bottom Va of the valley V is drawn, the straight line X ′ and the compressive stress peak M1 ( M2) is the distance from the intersection Q1 (Q2) to the valley bottom Va.
  • the tempered glass sheet G there are two regions where the value of the compressive stress is increased within the range of the thickness T2 of the reinforced portion S. Thereby, the strength at the end face Gc of the tempered glass sheet G can be improved. Further, since the thickness T2 of the reinforced portion S is twice or more the thickness T1 of the compressive stress layer A and a sufficient thickness is secured, the tempered glass sheet G further improved in strength of the end face Gc and can do.
  • the width W2 of the compressive stress peak M2 positioned on the inner side is wider than the width W1 of the compressive stress peak M1 positioned on the end face Gc side. For this reason, it is advantageous in increasing the thickness T2 of the reinforced portion S.
  • the manufacturing method of the tempered glass board which concerns on embodiment of this invention irradiates the laser for fusing to the plate glass for reinforcement
  • a reinforcing plate glass is prepared.
  • the glass composition of the plate glass is, by mass%, SiO 2 : 50 to 80%, Al 2 O 3 : 5 to 25%, B 2 O 3 : 0 to 15%, Na 2 O: 1 to 20%, K 2 O: It is preferable to contain 0 to 10%.
  • a plate glass having a thermal expansion coefficient value in the temperature range of 30 ° C. to 380 ° C. in the range of 50 ⁇ 10 ⁇ 7 / ° C. to 110 ⁇ 10 ⁇ 7 / ° C. is used.
  • the value of the thermal expansion coefficient is more preferably in the range of 60 ⁇ 10 ⁇ 7 / ° C. to 100 ⁇ 10 ⁇ 7 / ° C., and 70 ⁇ 10 ⁇ 7 / ° C. to 95 ⁇ 10 ⁇ 7 / ° C. It is most preferable to be within the range.
  • the fusing process is performed.
  • the irradiation region D of the fusing laser is moved in the C direction along the planned cutting line CL of the plate glass GG.
  • the planned cutting line CL (only part of which is shown in FIG. 3) is a closed loop that draws a rectangle, and after the fusing process, a product part GGa that is a tempered glass sheet G through a tempering process and a non-product that is discarded It is a boundary with the part GGb. That is, in this embodiment, the non-product part GGb surrounds the rectangular product part GGa.
  • the fusing laser is focused and irradiated on the plate glass GG so that the focal point is located in the vicinity of the front surface or the back surface even if the focal point is within or outside the thickness range of the plate glass GG.
  • the oscillation mode of the fusing laser is pulse oscillation.
  • the pulse period of the fusing laser is preferably in the range of 10 ⁇ s to 10,000 ⁇ s.
  • the pulse width of the fusing laser is preferably in the range of 1 ⁇ s to 1000 ⁇ s.
  • the type, wavelength, output, and the like of the fusing laser can be adjusted according to the speed (processing speed) for fusing the plate glass GG, the thickness of the plate glass GG, the diameter (beam diameter) in the irradiation region D of the fusing laser, and the like. Good.
  • the irradiation region E including the irradiation region D of the fusing laser is irradiated with a defocused laser as compared with the fusing laser.
  • the defocused laser is irradiated so that the focal point is located at a predetermined position away from the front or back surface of the plate glass GG.
  • the optical axis of the defocused laser is inclined with respect to the front and back surfaces of the plate glass GG and extends in a direction orthogonal to the planned cutting line CL in plan view.
  • the defocused laser irradiation region E is formed in an elliptical shape having a length in a direction orthogonal to the planned cutting line CL.
  • the type, wavelength, output, and the like of the defocused laser may be appropriately adjusted according to the fusing conditions as in the fusing laser.
  • an assist gas AG for spraying molten glass melted by heating of the fusing laser is injected toward the irradiation region D of the fusing laser.
  • the assist gas AG is injected so as to be orthogonal to the planned cutting line CL along the surface of the plate glass GG and from the product part GGa side toward the non-product part GGb side.
  • the glass sheet GG is irradiated with a fusing laser so that molten glass is generated by heating the fusing laser in the irradiation region D. Then, the generated molten glass is scattered and removed from the product part GGa side to the non-product part GGb side by the pressure of the assist gas AG. Thereby, the plate glass GG is cut (fused) into the product part GGa and the non-product part GGb. And if a fusing process is completed, rectangular product part GGa will be cut out from sheet glass GG. As the fusing progresses, cut end surfaces are formed in the product part GGa and the non-product part GGb. In the present embodiment, the product part GGa is a cut end surface formed by fusing along the entire outer periphery thereof.
  • the defocused laser causes a defocused laser in the region Ea on the front side in the fusing direction (C direction) of the laser irradiation region E with reference to the fusing laser irradiation region D.
  • the plate glass GG is preheated by the heat of the focused laser. Further, in the region Eb on the rear side in the fusing direction (C direction), the plate glass GG is gradually cooled by the heat of the defocused laser.
  • the strengthening process is executed.
  • potassium nitrate molten salt (KNO 3 ) is used as the reinforcing liquid.
  • the chemical strengthening process is performed by immersing the rectangular product part GGa cut out from the plate glass GG in the reinforcing liquid. Thereby, the product part GGa is strengthened and becomes a tempered glass sheet G.
  • the strengthening time for strengthening the product part GGa is preferably in the range of 15 minutes to 16 hours, and more preferably in the range of 30 minutes to 8 hours.
  • the temperature at which the product part GGa is strengthened is preferably in the range of 350 ° C. to 550 ° C., and more preferably in the range of 380 ° C. to 480 ° C.
  • the fusing proceeds.
  • the molten glass generated in the irradiation region D of the laser for use is thermally expanded and compresses the peripheral portion. Therefore, the compressive stress generated due to fusing is applied to the surface layer portion of the cut end surface (the entire circumference at the outer peripheral end) formed in the product part GGa after fusing. With this as a main factor, the compression stress peak M2 shown in FIG. 2 is formed.
  • the strengthening step when the product part GGa is chemically strengthened, a compressive stress is newly generated in the surface layer part of the cut end surface due to the chemical strengthening process. With this as the main factor, the compression stress peak M1 shown in FIG. 2 is formed.
  • the surface layer portion of the end face Gc (the entire circumference at the outer peripheral end) of the manufactured tempered glass sheet G has a compressive stress generated due to melting and a compressive stress generated due to chemical strengthening treatment. It can be set as the state which both acted. As a result, the strength of the end face Gc in the tempered glass sheet G can be improved.
  • this method can obtain the above-mentioned operation and effect only by performing a chemical strengthening process on the product part GGa after cutting the glass sheet GG and cutting out the product part GGa. That is, the strength of the end face Gc of the tempered glass sheet G can be improved very easily.
  • the value of the thermal expansion coefficient in the temperature range of 30 ° C. to 380 ° C. of the plate glass GG is in the range of 50 ⁇ 10 ⁇ 7 / ° C. to 110 ⁇ 10 ⁇ 7 / ° C.
  • the molten glass is When thermally expanding, the peripheral portion can be suitably compressed by the molten glass.
  • the plate glass GG is heated by the irradiation of the fusing laser, it is possible to suitably avoid the occurrence of a problem that causes the plate glass GG to crack.
  • the fusing laser is a pulse-oscillated laser, it is possible to intermittently apply a stress wave to the molten glass in the fusing process. As a result, in the surface layer portion of the end face Gc of the tempered glass plate G, it is possible to make the compression stress generated due to fusing more effective.
  • the irradiation region E including the irradiation region D of the fusing laser is irradiated with a defocused laser as compared with the fusing laser.
  • the plate glass GG can be preheated with the heat
  • the plate glass GG can be gradually cooled by the heat of the defocused laser. As a result, it is possible to prevent the occurrence of a situation in which the plate glass GG is cracked due to rapid heating or rapid cooling of the plate glass GG at the time of fusing.
  • strengthening has the preferable glass composition mentioned above, it becomes easy to make ion exchange performance and devitrification resistance compatible at a high level.
  • the tempered glass plate and the method for producing the tempered glass plate according to the present invention are not limited to the configurations or aspects described in the above embodiment.
  • the tempered glass plate has a rectangular shape, and includes a reinforced portion along the entire circumference at the outer peripheral end of the rectangle, but this is not a limitation. It is also possible to employ a configuration in which the reinforcing portion is provided only along one side of the rectangle.
  • Such a tempered glass plate can be manufactured by performing chemical strengthening treatment on a plate glass in which only one side of the rectangle is melted by laser irradiation.
  • the shape of the tempered glass plate is not limited to a rectangle, and can be an arbitrary shape. In this case, it can also be set as a structure provided with a tempering part only in part among the perimeters in the outer periphery end of a tempered glass board.
  • a tempered glass plate can be manufactured by subjecting a plate glass, in which only a part of the entire circumference at the outer peripheral edge is melted by laser irradiation, to chemical strengthening treatment.
  • the manufacturing method of the tempered glass board which concerns on this invention can also be applied to manufacture of the plate glass in which the compressive stress acted only on the surface layer part of the end surface.
  • An example of a method for producing such plate glass will be given. First, plate glass is cut out by laser cutting. Then, after masking the front and back surfaces of the hollowed plate glass, a chemical strengthening treatment is performed. If it does in this way, plate glass provided with the strengthening part which compression stress acted on the surface layer part of the end face can be manufactured, without forming the compression stress layer in the surface layer part of the front and back.
  • This plate glass is a plate glass having improved end face strength.
  • a tempered glass plate was manufactured under the following conditions (one example and one comparative example). And in the manufactured tempered glass board, the thickness of the compressive-stress layer formed in the surface layer part of front and back, and the thickness of the reinforced part formed in the surface layer part of an end surface were measured.
  • a tempered glass plate was produced by executing a fusing step and a tempering step in the same manner as the method for producing a tempered glass plate according to the above embodiment.
  • the glass plate for strengthening T2X-0 manufactured by Nippon Electric Glass Co., Ltd. was used.
  • the thickness is 200 ⁇ m.
  • a carbon dioxide gas laser having a wavelength of 10.6 ⁇ m was used as a fusing laser.
  • the oscillation form is pulse oscillation.
  • the output is 8 W
  • the beam diameter is 120 ⁇ m
  • the pulse period is 1000 ⁇ s
  • the pulse width is 100 ⁇ s.
  • Fusing was performed by moving the irradiation area of the laser for fusing at a speed of 10 mm / s with respect to the reinforcing glass sheet.
  • the melted plate glass was immersed in a potassium nitrate molten salt at 420 ° C. for 3 hours.
  • the same tempered glass sheet as that used in the example was used. And it replaced with the fusing process of an Example, and formed the end surface (outer peripheral end) in the glass plate for reinforcement
  • the strengthening step was performed under the same conditions as in the example.
  • the thickness of the compressive stress layer formed on the surface layer portion of the front and back surfaces and the thickness of the reinforced portion formed on the surface layer portion of the end surface are shown.
  • the thickness of the compressive stress layer was 26 ⁇ m in both Examples and Comparative Examples.
  • the example was 66 ⁇ m, while the comparative example was 26 ⁇ m.
  • the thickness of the reinforced portion can be made larger in the example than in the comparative example.
  • the tempered glass plate according to the present invention or the method for producing a tempered glass plate can improve the strength at the end face of the tempered glass plate.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
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  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Surface Treatment Of Glass (AREA)
  • Laser Beam Processing (AREA)

Abstract

La présente invention concerne une plaque de verre trempé (G) dans laquelle une couche de contrainte de compression (A) possédant une épaisseur T1 dans le sens de l'épaisseur de la plaque est formée sur une couche superficielle de surfaces avant et arrière (Ga, Gb) par un trempage chimique. La plaque de verre trempé est conçue de la façon suivante : on fournit une partie trempée (S) dans laquelle une contrainte de compression est appliquée sur une couche superficielle d'une surface de bord (Gc) qui sert de bord périphérique externe ; une direction X est positive, la direction X est tournée, depuis la surface de bord (Gc), vers l'intérieur le long de la direction d'épaisseur de la partie trempée (S) ; l'axe horizontal représente la distance à partir de la surface de bord (Gc) ; une contrainte de compression est positive et une résistance à la traction est négative ; et lorsque l'axe vertical représente la valeur de contrainte appliquée à la plaque de verre trempé (G), la distribution de la contrainte à l'intérieur d'une zone correspondant à une épaisseur T2 de la partie trempée (S) sur l'axe horizontal possède deux pics de contrainte de compression, M1 et M2.
PCT/JP2014/078565 2013-11-28 2014-10-28 Plaque de verre trempé et procédé de fabrication d'une plaque de verre trempé WO2015079849A1 (fr)

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JP2013-246110 2013-11-28
JP2013246110A JP6213190B2 (ja) 2013-11-28 2013-11-28 強化ガラス板、及び強化ガラス板の製造方法

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WO2017038853A1 (fr) * 2015-09-04 2017-03-09 旭硝子株式会社 Procédé de fabrication de plaque de verre, plaque de verre, procédé de fabrication d'article en verre, article en verre, et dispositif de fabrication d'article en verre
JP2017105696A (ja) * 2015-12-08 2017-06-15 旭硝子株式会社 ガラス板の製造方法およびガラス板
JP2017128493A (ja) * 2015-09-04 2017-07-27 旭硝子株式会社 ガラス板の製造方法、ガラス物品の製造方法、ガラス板、ガラス物品、およびガラス物品の製造装置
CN107922259A (zh) * 2015-09-04 2018-04-17 旭硝子株式会社 玻璃板的制造方法、玻璃板、玻璃物品的制造方法、玻璃物品以及玻璃物品的制造装置
US10843957B2 (en) 2017-02-21 2020-11-24 AGC Inc. Glass plate and manufacturing method of glass plate
US11345632B2 (en) 2016-09-01 2022-05-31 AGC Inc. Manufacturing method of glass article and glass article
US11524367B2 (en) 2017-02-21 2022-12-13 AGC Inc. Glass plate and manufacturing method of glass plate

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US10723651B2 (en) 2015-03-25 2020-07-28 Nippon Electric Glass Co., Ltd. Method for manufacturing reinforced glass plate, and method for manufacturing glass plate for reinforcement

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JP2002174810A (ja) * 2000-12-08 2002-06-21 Hoya Corp ディスプレイ用ガラス基板及びその製造方法並びにこれを用いたディスプレイ
WO2013039229A1 (fr) * 2011-09-15 2013-03-21 日本電気硝子株式会社 Procédé et dispositif de découpe de plaque de verre
WO2013039230A1 (fr) * 2011-09-15 2013-03-21 日本電気硝子株式会社 Procédé de sectionnement de feuille de verre

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
JP2002174810A (ja) * 2000-12-08 2002-06-21 Hoya Corp ディスプレイ用ガラス基板及びその製造方法並びにこれを用いたディスプレイ
WO2013039229A1 (fr) * 2011-09-15 2013-03-21 日本電気硝子株式会社 Procédé et dispositif de découpe de plaque de verre
WO2013039230A1 (fr) * 2011-09-15 2013-03-21 日本電気硝子株式会社 Procédé de sectionnement de feuille de verre

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017038853A1 (fr) * 2015-09-04 2017-03-09 旭硝子株式会社 Procédé de fabrication de plaque de verre, plaque de verre, procédé de fabrication d'article en verre, article en verre, et dispositif de fabrication d'article en verre
JP2017128493A (ja) * 2015-09-04 2017-07-27 旭硝子株式会社 ガラス板の製造方法、ガラス物品の製造方法、ガラス板、ガラス物品、およびガラス物品の製造装置
CN107922259A (zh) * 2015-09-04 2018-04-17 旭硝子株式会社 玻璃板的制造方法、玻璃板、玻璃物品的制造方法、玻璃物品以及玻璃物品的制造装置
US10851012B2 (en) 2015-09-04 2020-12-01 AGC Inc. Glass plate production method, glass plate, glass article production method, glass article, and glass article production apparatus
CN107922259B (zh) * 2015-09-04 2021-05-07 Ａｇｃ株式会社 玻璃板的制造方法、玻璃板、玻璃物品的制造方法、玻璃物品以及玻璃物品的制造装置
US12030803B2 (en) 2015-09-04 2024-07-09 AGC Inc. Glass plate production method, glass plate, glass article production method, glass article, and glass article production apparatus
JP2017105696A (ja) * 2015-12-08 2017-06-15 旭硝子株式会社 ガラス板の製造方法およびガラス板
US11345632B2 (en) 2016-09-01 2022-05-31 AGC Inc. Manufacturing method of glass article and glass article
US12043572B2 (en) 2016-09-01 2024-07-23 AGC Inc. Manufacturing method of glass article and glass article
US10843957B2 (en) 2017-02-21 2020-11-24 AGC Inc. Glass plate and manufacturing method of glass plate
US11524367B2 (en) 2017-02-21 2022-12-13 AGC Inc. Glass plate and manufacturing method of glass plate

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