WO2013146438A1 - 化学強化時の反りを低減できるガラス板 - Google Patents
化学強化時の反りを低減できるガラス板 Download PDFInfo
- Publication number
- WO2013146438A1 WO2013146438A1 PCT/JP2013/057724 JP2013057724W WO2013146438A1 WO 2013146438 A1 WO2013146438 A1 WO 2013146438A1 JP 2013057724 W JP2013057724 W JP 2013057724W WO 2013146438 A1 WO2013146438 A1 WO 2013146438A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- glass plate
- glass
- amount
- gas
- chemical strengthening
- Prior art date
Links
Images
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
- 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
-
- 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
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
-
- 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
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/008—Other surface treatment of glass not in the form of fibres or filaments comprising a lixiviation step
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31—Surface property or characteristic of web, sheet or block
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31—Surface property or characteristic of web, sheet or block
- Y10T428/315—Surface modified glass [e.g., tempered, strengthened, etc.]
Definitions
- This invention relates to the glass plate which can reduce the curvature at the time of chemical strengthening.
- a thin plate-like cover glass is formed on the front surface of the display so as to be wider than the image display portion in order to enhance the protection and aesthetics of the display. It has been done to arrange.
- Such a flat panel display device is required to be lightweight and thin, and accordingly, a cover glass used for display protection is also required to be thin.
- the float glass manufactured by the float process is chemically strengthened to form a compressive stress layer on the surface to enhance the scratch resistance of the cover glass.
- Patent Documents 1 to 3 It has been reported that the float glass is warped after chemical strengthening and the flatness is impaired (Patent Documents 1 to 3).
- the warpage is caused by chemical strengthening between a glass surface that is not in contact with molten tin (hereinafter also referred to as a top surface) and a glass surface that is in contact with molten tin (hereinafter also referred to as a bottom surface) during float forming. It is supposed to be caused by different ways of entering.
- the surface compressive stress was developed to meet the demand for high scratch resistance, the surface compressive stress is 600 MPa or more, and the depth of the compressive stress layer is 15 ⁇ m or more.
- the problem of warpage becomes more obvious as compared with the chemically strengthened float glass having a surface compressive stress (CS) of about 500 MPa and a depth (DOL) of the compressive stress layer of about 10 ⁇ m. It becomes.
- Patent Document 1 discloses a glass strengthening method in which the amount of ions entering the glass at the time of chemical strengthening is adjusted by chemically strengthening after forming a SiO 2 film on the glass surface.
- Patent Documents 2 and 3 disclose a method of reducing warpage after chemical strengthening by setting the surface compressive stress on the top surface side within a specific range.
- the method of grinding or polishing at least one surface of the glass before chemical strengthening has a problem from the viewpoint of improving productivity, and it is preferable to omit these grinding or polishing treatments.
- ITO Indium Tin Oxide
- a chemical treatment tank or a cleaning tank is used. May cause troubles such as contact with the air knife of the substrate, warping during ITO film formation, and ITO film formation at the periphery of the substrate may not be appropriate and peel off.
- a space exists between a cover glass to which an LCD (Liquid Crystal Display) and a touch panel are attached if the cover glass warps more than a certain level, uneven brightness and Newton rings may occur.
- an object of the present invention is to provide a glass plate that can effectively suppress warping after chemical strengthening and can omit or simplify the polishing treatment before chemical strengthening.
- the present invention is as follows. 1. Surface Na 2 O amount in the one surface, 0.2 mass% than the surface Na 2 O content of the other surface to 1.2% by weight low glass plate. 2. A glass plate containing 4 mol% or more of Al 2 O 3 , wherein the amount of surface Na 2 O on one side is 0.2% by mass to 1.2% by mass than the amount of surface Na 2 O on the other side % Lower glass plate. 3. It is a glass plate that does not contain CaO or contains CaO in a range of 6 mol% or less, and the amount of surface Na 2 O on one side is 0.2 mass than the amount of surface Na 2 O on the other side % To 1.2% by weight lower glass plate. 4).
- 11. A glass plate obtained by chemically strengthening the glass plate according to any one of 1 to 10 above. 12 Surface Na 2 O amount in the one surface, 0.2 mass% than the surface Na 2 O content of the other side to 1.2 wt% low chemical strengthened glass sheet. 13. 13. 13.
- the chemically tempered glass plate according to item 12 above wherein the thickness of the layer having a lower surface Na 2 O amount, the Na 2 O amount being smaller than the Na 2 O amount inside the glass plate, is less than 5 ⁇ m.
- 14 14 The chemically strengthened glass plate according to 12 or 13 above, wherein the thickness is 1.5 mm or less. 15.
- a flat panel display device comprising a cover glass, wherein the cover glass is the chemically strengthened glass plate according to any one of 12 to 15 above.
- the glass plate of the present invention is dealkalized on one side, it suppresses a difference in the way of entering the chemical strengthening between one side and the other side of the glass, and reduces the stress caused by the chemical strengthening. Even without simplifying or omitting the polishing treatment before chemical strengthening or the like, the warp of the glass after chemical strengthening can be reduced and excellent flatness can be obtained.
- the glass plate of the present invention is float glass, according to a preferred embodiment of the present invention, it is possible to obtain a glass plate that does not cause a recess that hinders use as a cover glass.
- FIG. 1 is a diagram schematically showing a double-flow type injector that can be used in the present invention.
- FIG. 2 is a diagram schematically showing a single-flow injector that can be used in the present invention.
- FIG. 3 is a cross-sectional view of a flat panel display used as a cover glass for a flat panel display after chemically strengthening the chemically strengthened float glass of the present invention.
- FIG. 4 is a perspective view of the experimental apparatus used in the examples. (Example 1).
- FIG. 5 is a diagram showing the relationship between the surface Na 2 O amount by XRF analysis on one surface, the surface Na 2 O amount mass% difference ( ⁇ Na 2 O amount) on the other surface, and the ⁇ warpage amount after chemical strengthening. is there.
- Example 1 FIG.
- FIG. 6 is a schematic diagram of a method for supplying a glass plate with a gas that undergoes an ion exchange reaction with an alkali component in glass using an introduction tube.
- FIG. 7A shows a schematic explanatory diagram of a method for processing the surface of the glass ribbon by supplying a gas containing a molecule having fluorine atoms in its structure in the manufacture of a glass plate by the float process.
- FIG. 7B is a cross-sectional view taken along the line AA in FIG.
- FIGS. 8A to 8D are cross-sectional views of beams that can be adjusted by dividing the amount of gas into three in the width direction of the glass ribbon.
- Glass plate Warp after chemical strengthening of the glass plate is caused by the difference in the way of chemical strengthening on one side and the other side of the glass plate. Specifically, for example, in the case of float glass, chemical strengthening is performed on the glass surface (top surface) that is not in contact with molten tin during float forming and on the glass surface (bottom surface) that is in contact with molten metal (usually tin). Warping after chemical strengthening occurs due to the difference in the way of entering.
- the surface of the glass plate is treated with a dealkalization so that the difference between the degree of dealkalization on one side and the dealkalization on the other side is not less than a specific range.
- the diffusion rate of ions on one side can be controlled to balance the entry of chemical strengthening on one side and the other side. Therefore, the glass plate of the present invention can reduce the warpage of the glass plate after chemical strengthening without controlling the strengthening stress or without performing processing such as grinding and polishing before the chemical strengthening treatment.
- the degree of dealkalization on the glass surface can be evaluated by measuring the amount of Na 2 O.
- the amount of Na 2 O in the glass is measured by XRF (X-ray Fluorescence Spectrometer, fluorescence using Na—K ⁇ rays). X-ray analysis).
- the analysis conditions of the XRF (fluorescence X-ray analysis) method are as follows. Quantification is performed by a calibration curve method using a Na 2 O standard sample.
- An example of the measuring device is ZSX100 manufactured by Rigaku Corporation. Output: Rh 50kV-72mA Filter: OUT Attenuator: 1/1 Slit: Std. Spectroscopic crystal: RX25 Detector: PC Peak angle (2 ⁇ / deg.): 47.05 Peak measurement time (seconds): 40 B. G. 1 (2 ⁇ / deg.): 43.00 B. G. 1 measurement time (seconds): 20 B. G. 2 (2 ⁇ / deg.): 50.00 B. G. 2 measurement time (seconds): 20 PHA: 110-450
- the amount of surface Na 2 O on one side is 0.2% by mass to 1.2% by mass lower than the amount of surface Na 2 O on the other side, preferably 0.3% by mass. ⁇ 0.7 mass% lower.
- the glass plate of the present invention in which the amount of surface Na 2 O is in the above range reduces warpage during chemical strengthening.
- the surface Na 2 O amount on one surface is lower than the surface Na 2 O amount on the other surface, and the difference (hereinafter, this difference may be referred to as ⁇ Na 2 O amount) is less than 0.2% by mass. If there is, there is little effect of warping reduction.
- the amount of ⁇ Na 2 O is preferably 0.3% by mass or more.
- float glass Since the glass plate manufactured by the float process (hereinafter sometimes referred to as float glass) is usually warped on the top surface by about 30 ⁇ m, when the ⁇ Na 2 O content exceeds 1.2% by mass, the improvement of warpage proceeds. There is a risk that it will warp to the other side too much.
- the amount of ⁇ Na 2 O is preferably 0.7% by mass or less, more preferably 0.5% by mass or less, and particularly preferably 0.31% by mass. It is as follows.
- the concave portion referred to here is one that is recognized as a concave portion when the surface of the glass plate is observed with an SEM (scanning electron microscope) at a magnification of 50,000 to 200,000, and typically has a diameter of 10 to It is 20 nm or more, and typically has a diameter of 40 nm or less and a depth of 5 to 10 nm or more.
- the phrase “recesses are generated so as to hinder use as a cover glass” means that the density of recesses on the surface is 7 pieces / ⁇ m 2 or more. Therefore, even if there are recesses on the surface, the density is preferably 6 pieces / ⁇ m 2 or less. Note that the average interval between the recesses when the recess density is 6 / ⁇ m 2 is 460 nm.
- the surface Na 2 O amount in the top surface is preferably lower than the surface Na 2 O content of the other face or bottom surface.
- the Na 2 O amount is the Na 2 O amount inside the glass plate (the value of the Na 2 O amount inside the glass plate whose value does not change in the depth direction. Or the thickness of the glass plate) The value of the central part in the direction.) It is preferable that the thickness of the smaller layer is less than 5 ⁇ m.
- the surface Na 2 O amount is lower surfaces, by Na 2 O amount is the thickness of the glass plate inside the Na 2 O amount is smaller than layer is less than 5 [mu] m, is possible to prevent, for example, the de-alkali treatment temperature is too high it can.
- the one surface and the other surface of the glass plate refer to the one surface and the other surface facing each other in the thickness direction.
- the both surfaces of a glass plate mean the both surfaces which oppose a plate
- the method for forming molten glass into a plate-like glass plate is not particularly limited, and as long as the glass has a composition that can be strengthened by a chemical strengthening treatment, it has various compositions. Things can be used. For example, appropriate amounts of various raw materials are prepared, heated and melted, then homogenized by defoaming or stirring, and formed into a plate shape by a well-known float method, downdraw method (for example, fusion method) or press method, After slow cooling, it is manufactured by cutting and polishing to a desired size.
- a well-known float method, downdraw method (for example, fusion method) or press method After slow cooling, it is manufactured by cutting and polishing to a desired size.
- glass produced by the float process is preferable because the improvement of warpage after chemical strengthening, which is the effect of the present invention, is particularly easily exhibited.
- the glass plate used in the present invention include typically soda lime silicate glass, aluminosilicate glass, borate glass, lithium aluminosilicate glass, borosilicate glass, alkali-free glass, and other various glasses.
- the glass plate which consists of is mentioned.
- glass having a composition containing Al is preferable.
- Al coexists with Al, it takes 4-coordination and participates in the formation of a network that becomes a glass skeleton like Si.
- tetracoordinate Al increases, movement of alkali ions becomes easy, and ion exchange easily proceeds during chemical strengthening treatment.
- the thickness of the glass plate is not particularly limited, and examples thereof include 2 mm, 0.8 mm, 0.73 mm, and 0.7 mm. However, in order to effectively perform the chemical strengthening treatment described later, the thickness is usually 5 mm or less. Preferably, it is 3 mm or less, more preferably 1.5 mm or less, and particularly preferably 0.8 mm or less.
- the warp amount after chemical strengthening of a 0.7 mm thick glass plate is required to be 40 ⁇ m or less.
- the amount of warpage after chemical strengthening is about 130 ⁇ m.
- the amount of warpage of the glass plate after chemical strengthening is inversely proportional to the square of the plate thickness, so the amount of warpage when the thickness of the glass plate is 2.0 mm is about 16 ⁇ m, and the warpage is substantially a problem.
- the problem of warpage after chemical strengthening may occur when the thickness of the glass plate is less than 2 mm, typically 1.5 mm or less.
- composition of the glass plate of this invention is not specifically limited, For example, the following glass compositions are mentioned.
- “containing 0 to 25% of MgO” means that MgO is not essential, but may contain up to 25%, and soda lime silicate glass is included in the glass of (i). Soda lime silicate glass is expressed in terms of mol%, with SiO 2 being 69 to 72%, Al 2 O 3 being 0.1 to 2%, Na 2 O being 11 to 14%, K 2 O being 0 to 1%, The glass contains 4 to 8% MgO and 8 to 10% CaO.
- composition represented by the glass (ii) mol% containing 0 to 25% CaO and 0 to 5% ZrO 2 is SiO 2 50 to 74%, Al 2 O 3 1 to 10%, Na 2 O 6 to 14%, K 2 O 3 to 11%, MgO 2 to 15%, CaO 0 to 6% and ZrO 2 0 to 5%, and the content of SiO 2 and Al 2 O 3
- the process for producing a glass plate of the present invention at least one surface of a glass plate or a glass ribbon by dealkalization removing an alkali component, Na 2 O content of the surface Na 2 O amount in the one side, the other side Less than 0.2 mass% to 1.2 mass%.
- glass plate may be used as a generic term for a glass plate and a glass ribbon.
- Examples of the alkali removal treatment of glass include a method of forming a diffusion suppression film that does not contain an alkali component using a film formation method such as a dip coating method or a CVD method, and an ion exchange reaction with an alkali component in the glass.
- a method of treating with a liquid or a gas in which oxidization occurs Japanese Patent Publication No. 7-507762
- a method by ion transfer under the action of an electric field Japanese Patent Laid-Open No. 62-230653
- a silicate containing an alkali component examples thereof include a method in which glass is brought into contact with water (H 2 O) in a liquid state at 120 ° C. or higher (Japanese Patent Laid-Open No. 11-171599).
- liquid or gas that undergoes an ion exchange reaction with an alkali component in glass include, for example, a gas or liquid containing a molecule having a fluorine atom in its structure, sulfur or a compound thereof, chloride, acid, nitridation.
- a gas or liquid containing a molecule having a fluorine atom in its structure, sulfur or a compound thereof, chloride, acid, nitridation The gas or liquid of a thing is mentioned.
- Examples of the gas or liquid containing a molecule having a fluorine atom in its structure include hydrogen fluoride (HF), flon (for example, chlorofluorocarbon, fluorocarbon, hydrochlorofluorocarbon, hydrofluorocarbon, and halon), fluoride, and the like.
- HF hydrogen fluoride
- flon for example, chlorofluorocarbon, fluorocarbon, hydrochlorofluorocarbon, hydrofluorocarbon, and halon
- fluoride and the like.
- Examples include hydrogen acid, fluorine alone, trifluoroacetic acid, carbon tetrafluoride, silicon tetrafluoride, phosphorus pentafluoride, phosphorus trifluoride, boron trifluoride, nitrogen trifluoride, and chlorine trifluoride.
- sulfur or a compound or chloride gas or liquid thereof examples include sulfurous acid, sulfuric acid, peroxomonosulfuric acid, thiosulfuric acid, dithionic acid, disulfuric acid, peroxodisulfuric acid, polythionic acid, hydrogen sulfide, and sulfur dioxide.
- the acid examples include hydrochloric acid, carbonic acid, boric acid, and lactic acid.
- the nitride include nitric acid, nitric oxide, nitrogen dioxide, and nitrous oxide. These are not limited to gases or liquids.
- hydrogen fluoride, chlorofluorocarbon or hydrofluoric acid is preferable because of its high reactivity with the glass plate surface. Moreover, you may mix and use 2 or more types among these gases. Further, since the oxidizing power is too strong in the float bath, it is preferable not to use fluorine alone.
- the liquid When a liquid is used, the liquid may be supplied to the glass plate surface by spray coating, for example, or may be supplied to the glass plate surface after vaporizing the liquid. Moreover, you may dilute with another liquid or gas as needed.
- the liquid or gas that undergoes an ion exchange reaction with an alkali component in the glass may include a liquid or a gas other than the liquid or the gas, and the liquid or gas is between the alkali component in the glass. It is preferably a liquid or gas that does not react with a liquid or gas that undergoes an ion exchange reaction at room temperature.
- liquid or gas examples include, but are not limited to, N 2 , air, H 2 , O 2 , Ne, Xe, CO 2 , Ar, He, and Kr. Moreover, 2 or more types of these gases can also be mixed and used.
- the gaseous carrier gas that undergoes an ion exchange reaction with an alkali component in glass it is preferable to use an inert gas such as N 2 or argon.
- the gas containing a molecule having a fluorine atom in its structure may further contain SO 2 .
- SO 2 is used when a glass plate is continuously produced by a float process or the like, and has a function of preventing wrinkles from being generated on the glass due to the conveyance roller coming into contact with the glass plate in the slow cooling region.
- disassembled at high temperature may be included.
- the liquid or gas that undergoes an ion exchange reaction with an alkali component in the glass may contain water vapor or water.
- Water vapor can be extracted by bubbling an inert gas such as nitrogen, helium, argon or carbon dioxide in heated water.
- an inert gas such as nitrogen, helium, argon or carbon dioxide in heated water.
- a specific example of a method for forming molten glass into a plate-like glass plate is, for example, a float method.
- a glass manufacturing apparatus having a melting furnace for melting glass raw materials, a float bath for floating glass on a molten metal (such as tin) to form a glass ribbon, and a slow cooling furnace for gradually cooling the glass ribbon Is used to produce a glass plate.
- the glass plate When glass is formed on a molten metal (tin) bath, an ion exchange reaction is performed between the glass plate conveyed on the molten metal bath and the alkali component in the glass from the side not touching the metal surface.
- the surface of the glass plate may be treated by supplying a liquid or a gas that causes the above.
- the glass plate In the slow cooling region following the molten metal (tin) bath, the glass plate is conveyed by roller conveyance.
- the slow cooling region includes not only the inside of the slow cooling furnace but also the portion from the time when the molten metal (tin) bath is carried out in the float bath to the time when it is carried into the slow cooling furnace.
- the gas may be supplied from the side not touching the molten metal (tin).
- FIG. 7 (a) shows a schematic explanatory diagram of a method for treating a glass surface by supplying a gas containing molecules having fluorine atoms in the structure in the production of a glass plate by a float method.
- a gas containing molecules having fluorine atoms in its structure is generated by the beam 102 inserted into the float bath.
- An arrow Ya indicates a direction in which the glass ribbon 101 flows in the float bath.
- the glass ribbon 101 is preferably 600 to 900 ° C., more preferably 700 ° C. to 900 ° C., and even more preferably 750 when the gas is blown onto the glass ribbon 101 by the beam 102. It is preferably at a position of ⁇ 850 ° C., typically 800 ° C. Further, the position of the beam 102 may be upstream or downstream of the radiation gate 103.
- the amount of the gas blown onto the glass ribbon 101 is preferably 1 ⁇ 10 ⁇ 6 to 5 ⁇ 10 ⁇ 4 mol / glass ribbon 1 cm 2 as HF.
- Fig. 7 (b) shows a cross-sectional view along the line AA in Fig. 7 (a).
- the gas blown to the glass ribbon 101 from the Y1 direction by the beam 102 flows in from “IN” and flows out from the “OUT” direction. That is, it moves in the directions of arrows Y4 and Y5 and is exposed to the glass ribbon 101.
- the gas that has moved in the direction of arrow Y4 flows out from the direction of arrow Y2, and the gas that has moved in the direction of arrow Y5 flows out from the direction of arrow Y3.
- the amount of warpage of the glass plate after chemical strengthening may change depending on the position of the glass ribbon 101 in the width direction. In such a case, it is preferable to adjust the amount of the gas. That is, it is preferable to increase the amount of blowing the gas to a position where the amount of warping is large and reduce the amount of blowing the gas to a position where the amount of warping is small.
- the structure of the beam 102 is made so that the gas amount can be adjusted in the width direction of the glass ribbon 101.
- the amount of warpage may be adjusted in the width direction 101.
- FIG. 8A shows a cross-sectional view of a beam 102 in which the amount of the gas is adjusted by dividing the width direction 110 of the glass ribbon 101 into three parts I to III.
- the gas systems 111 to 113 are divided by partition walls 114 and 115, respectively, and the gas flows out from the gas blowing holes 116 and sprays onto the glass.
- the arrow in Fig. 8 (a) indicates the gas flow.
- the arrows in FIG. 8B indicate the gas flow in the gas system 111.
- the arrows in FIG. 8C indicate the gas flow in the gas system 112.
- the arrows in FIG. 8D indicate the gas flow in the gas system 113.
- Examples of a method for supplying a liquid or gas that undergoes an ion exchange reaction with an alkali component in glass to the glass surface include a method using an injector and a method using an introduction tube.
- FIG. 1 and 2 are schematic diagrams of an injector that can be used in the present invention.
- FIG. 1 is a diagram schematically showing a double-flow type injector.
- FIG. 2 is a diagram schematically showing a single-flow injector.
- the distance between the gas outlet of the injector and the glass plate is preferably 50 mm or less.
- the gas By setting the distance to 50 mm or less, the gas can be prevented from diffusing into the atmosphere, and a sufficient amount of gas can reach the glass plate with respect to the desired gas amount.
- the distance from the glass plate is too short, for example, when the glass plate produced by the float process is processed online, the glass plate and the injector may come into contact with each other due to the fluctuation of the glass ribbon.
- the “liquid or gas in which ion exchange reaction occurs between the alkali components in the glass” supplied from the injector is a liquid
- the distance between the liquid discharge port of the injector and the glass plate Any arrangement may be used as long as the glass plate can be processed uniformly.
- the injector may be used in any manner such as double flow or single flow, and two or more injectors may be arranged in series in the flow direction of the glass plate to treat the glass plate surface.
- the double-flow injector is an injector in which the gas flow from discharge to exhaust is equally divided in the forward direction and the reverse direction with respect to the moving direction of the glass plate.
- the single-flow injector is an injector in which the gas flow from discharge to exhaust is fixed in either the forward direction or the reverse direction with respect to the moving direction of the glass plate.
- the gas flow on the glass plate and the moving direction of the glass plate are the same in terms of airflow stability.
- a gas exhaust port formed by the reaction of two or more gases out of a liquid or a gas that undergoes an ion exchange reaction with an alkali component in the glass or an alkali component in the glass is a surface on the same side of the glass plate It is preferable that it exists in.
- the glass plate flows over the conveyor. If it is, it may be supplied from the side not touching the conveyor. Moreover, you may supply from the side which has touched the conveyor by using the mesh raw material which is not covered with glass belts, such as a mesh belt, for a conveyor belt.
- two or more conveyors may be arranged in series, and an injector may be installed between adjacent conveyors to supply the gas from the side touching the conveyor to treat the glass plate surface.
- an injector may be installed between adjacent conveyors to supply the gas from the side touching the conveyor to treat the glass plate surface.
- the glass plate when flowing on the roller, it may be supplied from the side not touching the roller, or may be supplied from between adjacent rollers on the side touching the roller.
- the same or different gas may be supplied from both sides of the glass plate.
- the glass plate may be dealkalized by supplying gas from both the side not touching the roller and the side touching the roller.
- the side that is not touching the roller Gas may be supplied from both sides of the side touching the roller.
- the injector arranged on the side touching the roller and the injector arranged on the side not touching the roller may be arranged at different positions in the flow direction of the glass plate. In arranging at different positions, any of them may be arranged upstream or downstream with respect to the flow direction of the glass plate.
- glass plates with a transparent conductive film are manufactured online by combining glass manufacturing technology using the float process and CVD technology.
- the transparent conductive film and the underlying film are formed on the glass plate by supplying gas from the surface not touching the tin or the surface not touching the roller. Yes.
- an injector is arranged on the surface in contact with the roller, and a liquid in which an ion exchange reaction occurs between the injector and the alkali component in the glass on the glass plate.
- the surface of the glass plate may be treated by supplying a gas.
- the temperature of the glass plate when treating the surface of the glass plate being supplied with a liquid or gas that undergoes an ion exchange reaction with an alkali component in the glass is the glass plate
- the glass transition temperature is Tg
- the surface temperature of the glass plate is preferably (Tg ⁇ 200) ° C. to (Tg + 300) ° C., more preferably (Tg ⁇ 200) ° C. to (Tg + 250) ° C. preferable.
- the surface temperature of the glass plate is preferably higher than 650 ° C. as long as it is (Tg + 300) ° C. or lower. As shown in the examples described later, when dealkalizing is performed at a surface temperature of the glass plate of 650 ° C. or less, recesses are likely to occur.
- the pressure on the surface of the glass plate when supplying a liquid or gas that undergoes an ion exchange reaction with an alkali component in the glass to the surface of the glass plate is an atmosphere in the pressure range of atmospheric pressure ⁇ 100 Pascal to atmospheric pressure + 100 Pascals. It is preferable that the atmosphere be in the pressure range of atmospheric pressure ⁇ 50 Pascals to atmospheric pressure + 50 Pascals.
- the case where HF is used as a liquid or gas that undergoes an ion exchange reaction with an alkali component in glass will be described as a representative.
- the higher the HF flow rate the greater the warp improvement effect during the chemical strengthening treatment, which is preferable.
- the higher the HF concentration the better the warp improvement effect during the chemical strengthening treatment. Becomes larger.
- both the total gas flow rate and the HF gas flow rate are the same, the longer the time for processing the glass plate, the greater the warp improving effect during the chemical strengthening process.
- the warpage after chemical strengthening can be improved by appropriately controlling the conveying speed of the glass plate.
- FIG. 6 shows a schematic diagram of a method of supplying a glass plate with a gas that causes an ion exchange reaction with an alkali component in the glass using an introduction tube.
- a method for supplying the glass plate with a gas that undergoes an ion exchange reaction with the alkali component in the glass using the introduction tube specifically, for example, a tubular furnace 60 that has been heated at a processing temperature in advance.
- a glass plate sample 63 placed on a sample carriage 62 in a reaction vessel 61 installed in the center is moved by moving a slider 64.
- a gas that causes an ion exchange reaction between the introduction tube 65 and an alkali component in the glass is introduced and held in the direction of the introduction direction 67, and then exhausted. Exhaust from direction 68.
- the sample 63 is taken out by the sample take-off rod 66 through the slow cooling conditions (for example, holding at 500 ° C. for 1 minute and holding at 400 ° C. for 1 minute).
- the concentration of the gas causing an ion exchange reaction with the alkali component in the glass introduced into the glass plate from the introduction tube 65 is preferably 0.01 to 1%, and preferably 0.05 to 0.5%. Is more preferable.
- the holding time after the introduction of the gas is preferably 10 to 600 seconds, and more preferably 30 to 300 seconds.
- Chemical strengthening involves the exchange of alkali metal ions (typically Li ions or Na ions) with a small ionic radius on the glass surface by ion exchange at temperatures below the glass transition point. Is a process of forming a compressive stress layer on the glass surface by exchanging with K ions).
- the chemical strengthening treatment can be performed by a conventionally known method.
- the chemically strengthened glass plate of the present invention is a glass plate with improved warpage after chemical strengthening.
- the amount of change (warp change) of the glass plate after chemical strengthening relative to the glass plate before chemical strengthening can be measured with a three-dimensional shape measuring instrument (for example, manufactured by Mitaka Kogyo Co., Ltd.).
- the improvement of warpage after chemical strengthening is obtained by the following equation in an experiment under the same conditions except for dealkalizing with a liquid or gas that causes an ion exchange reaction with an alkali component in glass. Evaluation is based on the warpage improvement rate.
- Warpage improvement rate (%) [1 ⁇ ( ⁇ Y / ⁇ X)] ⁇ 100 ⁇ X: Change in warpage due to chemical strengthening of untreated glass plate ⁇ Y: Warpage variation due to chemical strengthening of treated glass plate
- the warpage variation is ⁇ X> 0.
- ⁇ Y is ⁇ Y> 0 when warped in the same direction as ⁇ X, and ⁇ Y ⁇ 0 when warped in the opposite direction to ⁇ X.
- ⁇ Y takes a negative value, the warpage improvement rate is greater than 100%.
- the CS and DOL of the glass plate can be measured with a surface stress meter.
- the surface compressive stress of the chemically strengthened glass is preferably 600 MPa or more, and the depth of the compressive stress layer is preferably 15 ⁇ m or more.
- FIG. 3 is a cross-sectional view of a display device in which a cover glass is disposed.
- front, rear, left and right are based on the direction of the arrow in the figure.
- the display device 40 includes a display panel 45 provided in the housing 15 and a cover glass 30 that covers the entire surface of the display panel 45 and surrounds the front of the housing 15.
- the cover glass 30 is installed mainly for the purpose of improving the aesthetics and strength of the display device 40, preventing impact damage, and the like, and the overall shape is formed from a single plate-like glass having a substantially planar shape. As shown in FIG. 2, the cover glass 30 may be installed so as to be separated from the display side (front side) of the display panel 45 (having an air layer), and has a translucent adhesive film (FIG. (Not shown) may be attached to the display side of the display panel 45.
- a translucent adhesive film FOG. (Not shown) may be attached to the display side of the display panel 45.
- a functional film 41 is provided on the front surface of the cover glass 30 that emits light from the display panel 45, and a functional film 42 is provided on the rear surface on which the light from the display panel 45 is incident at a position corresponding to the display panel 45. ing.
- the functional films 41 and 42 are provided on both surfaces in FIG.
- the functional films 41 and 42 have functions such as anti-reflection of ambient light, prevention of impact breakage, electromagnetic wave shielding, near-infrared shielding, color tone correction, and / or scratch resistance improvement, and thickness and shape are used for applications. It is selected as appropriate.
- the functional films 41 and 42 are formed, for example, by attaching a resin film to the cover glass 30. Or you may form by thin film formation methods, such as a vapor deposition method, a sputtering method, or CVD method.
- Reference numeral 44 denotes a black layer, which is, for example, a coating formed by applying ink containing pigment particles to the cover glass 30, irradiating it with ultraviolet rays, or heating and baking it, and then cooling it.
- a black layer which is, for example, a coating formed by applying ink containing pigment particles to the cover glass 30, irradiating it with ultraviolet rays, or heating and baking it, and then cooling it.
- the display panel and the like cannot be seen from the outside, and the appearance is improved.
- composition of glass plate glass plates of glass materials A to C having the following composition were used.
- a glass material D having the following composition can also be used in the present invention.
- Glass A In terms of mol%, SiO 2 is 72.0%, Al 2 O 3 is 1.1%, Na 2 O is 12.6%, K 2 O is 0.2%, and MgO is 5.5. %, Glass containing 8.6% CaO (glass transition temperature 566 ° C.)
- Glass material B In terms of mol%, SiO 2 is 64.3%, Al 2 O 3 is 6.0%, Na 2 O is 12.0%, K 2 O is 4.0%, and MgO is 11.0.
- Glass C In terms of mol%, SiO 2 is 64.3%, Al 2 O 3 is 8.0%, Na 2 O is 12.5%, K 2 O is 4.0%, and MgO is 10.5. %, CaO 0.1%, SrO 0.1%, BaO 0.1% and ZrO 2 0.5% (glass transition temperature 604 ° C.) (Glass material D) Glass containing 73.0% of SiO 2 , 7.0% of Al 2 O 3 , 14.0% of Na 2 O, and 6.0% of MgO in terms of mol% (glass transition temperature 617 °C)
- Warpage improvement rate The improvement of warpage after chemical strengthening is based on the warpage improvement rate obtained by the following formula in the experiment under the same conditions except for dealkalizing treatment with a liquid or gas that causes an ion exchange reaction with an alkali component in glass. evaluated.
- Warpage improvement rate (%) [1- ( ⁇ Y / ⁇ X)] ⁇ 100 ⁇ X: Warpage change amount due to chemical strengthening of untreated glass plate ⁇ Y: Warpage change amount due to chemical strengthening of treated glass plate
- the warpage change amount is ⁇ X > 0.
- XRF method Fluorescence X-ray analysis
- the analysis conditions of the XRF (fluorescence X-ray analysis) method were as follows. Quantification was performed by a calibration curve method using a Na 2 O standard sample. Measuring device: ZSX100 manufactured by Rigaku Corporation Output: Rh 50kV-72mA Filter: OUT Attenuator: 1/1 Slit: Std. Spectroscopic crystal: RX25 Detector: PC Peak angle (2 ⁇ / deg.): 47.05 Peak measurement time (seconds): 40 B. G. 1 (2 ⁇ / deg.): 43.00 B. G. 1 measurement time (seconds): 20 B. G. 2 (2 ⁇ / deg.): 50.00 B. G. 2 measurement time (seconds): 20 PHA: 110-450
- Example 1 As shown in the schematic diagram of FIG. 4, glass produced by the float method of glass material A and glass material C is put into a quartz tube 50 having a volume of 3.2 L, the inside of the tube is evacuated, and then H is simulated to simulate the float bath atmosphere. The system was filled with a mixed gas of 2 10% and N 2 90%. While introducing a mixed gas of 10% H 2 and 90% N 2 at a flow rate of 1.6 L / min, the system was heated for 3 minutes to raise the temperature of the glass plate 51. A mixed gas of 10% H 2 and 90% N 2 was introduced from the gas introduction direction 53 and discharged in the gas discharge direction 54.
- the heated glass plate 51 is heated at 712 ° C. for glass material A and at 800 ° C. for glass material C for 30 seconds, respectively, and HF having the concentrations shown in Table 1 by a gas introduction nozzle 52 having an inner diameter of 3.5 to 4.0 mm.
- chlorofluorocarbon was sprayed onto the glass plate 51 at a flow rate of 0.4 L / min. Thereafter, the temperature was lowered over 20 minutes while introducing a mixed gas of 10% H 2 and 90% N 2 at a flow rate of 1.6 L / min.
- the obtained glass plate dealked with HF or Freon was chemically strengthened with potassium nitrate molten salt at 435 ° C. for 4 hours, ⁇ warpage amount (warpage variation), warpage improvement rate, surface by XRF analysis on one side
- ⁇ warpage amount warpage variation
- warpage improvement rate surface by XRF analysis on one side
- the amount of Na 2 O, the amount of surface Na 2 O on the other side, and the mass% difference ( ⁇ Na 2 O amount) were measured.
- the results are shown in Table 1. It should be noted that the ⁇ warpage amounts due to this chemical strengthening of the untreated glass plates of glass materials A and C are 29.2 ⁇ m and 23.0 ⁇ m, respectively.
- FIG. 5 shows the relationship between the ⁇ Na 2 O amount and the ⁇ warpage improvement rate after chemical strengthening. Further, in Examples 2-2 and 2-4, the surface treated with HF or Freon was etched, and the average amount of Na 2 O at depths of 5 to 6 ⁇ m and 100 to 101 ⁇ m from the treated surface was measured. The results are shown in Table 1. In any of the examples, since the average Na 2 O content at the depth of 5 to 6 ⁇ m and the depth of 100 to 101 ⁇ m from the treated surface is the same, the dealkalized treatment is performed within a range of 5 ⁇ m or less from the treated surface. It can be seen that it is.
- Example 2 HF treatment was performed in a float bath in which a glass ribbon of glass material C flows.
- the obtained glass with a thickness of 0.7 mm was cut into three pieces of 100 mm square, the warpage of two diagonal lines corresponding to the 90 mm square portion of the substrate was measured, and the average value was taken as the amount of warpage before strengthening. .
- the surface Na 2 O weight by XRF analysis in one surface glass, the surface Na 2 O content of the other side and its mass% difference ([Delta] Na 2 O weight) were measured. Thereafter, the glass was immersed in KNO 3 molten salt heated to 435 ° C. for 4 hours for chemical strengthening. Next, the warpage of two diagonal lines corresponding to the 90 mm square portion of the substrate was measured, and the average value was taken as the warped amount after strengthening.
- Comparative Example 2-1 is a reference that has not been subjected to HF processing.
- the average Na of the non-treated surface of Example 2-6, which is expected to have the largest HF total contact amount and the greatest influence of HF treatment, and the non-treated surface of Comparative Example 2-1 of the reference not subjected to HF treatment In view of the fact that the amount of 2 O is not different up to the first digit of the decimal point, in the embodiment of the HF treatment in this example, the non-treated surface is not dealkalized, and the average Na 2 of 0-1 ⁇ m on the non-treated surface. It is considered that the amount of O is not changed by the HF treatment. Therefore, for a sample for which the 0-1 ⁇ m average Na 2 O amount on the non-treated surface was not measured, the ⁇ Na 2 O amount was calculated with the value set to 12.04 (the average value of the above two values).
- Example 2-5 was 5 / ⁇ m 2
- Example 2-6 was 13 / ⁇ m 2
- Example 2-7 was 172. Pieces / ⁇ m 2 .
- the glass plate of each Example having a ⁇ Na 2 O amount of 0.2% by mass or more obtained from the Na 2 O amount on both surfaces has a ⁇ Na 2 O amount difference of 0.2% by mass or less. It was found that the amount of ⁇ warp was small and the warp after chemical strengthening was improved as compared with the glass plate of each comparative example.
Landscapes
- 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)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Glass Compositions (AREA)
Abstract
Description
1.一方の面における表面Na2O量が、もう一方の面の表面Na2O量よりも0.2質量%~1.2質量%低いガラス板。
2.Al2O3を4モル%以上含有するガラス板であって、一方の面における表面Na2O量が、もう一方の面の表面Na2O量よりも0.2質量%~1.2質量%低いガラス板。
3.CaOを含有しない、またはCaOを6モル%以下の範囲で含有するガラス板であって、一方の面における表面Na2O量が、もう一方の面の表面Na2O量よりも0.2質量%~1.2質量%低いガラス板。
4.K2Oを3モル%以上含有するガラス板であって、一方の面における表面Na2O量が、もう一方の面の表面Na2O量よりも0.2質量%~1.2質量%低いガラス板。
5.前項1~4のいずれか1に記載のガラス板であって、一方の面における表面Na2O量が、もう一方の面の表面Na2O量よりも0.7質量%低いガラス板。
6.フロート法により製造された前項1~5のいずれか1に記載のガラス板。
7.表面Na2O量が低い面がフロートバス内で溶融金属に触れていない面である前項1~6のいずれか1に記載のガラス板。
8.表面Na2O量が低い面における、Na2O量がガラス板内部のNa2O量より小さい層の厚みが5μm未満である前項1~7のいずれか1に記載のガラス板。
9.厚みが1.5mm以下である前項1~8のいずれか1に記載のガラス板。
10.厚みが0.8mm以下である前項1~9のいずれか1に記載のガラス板。
11.前項1~10のいずれか1に記載のガラス板を化学強化して得られるガラス板。
12.一方の面における表面Na2O量が、もう一方の面の表面Na2O量よりも0.2質量%~1.2質量%低い化学強化ガラス板。
13.表面Na2O量が低い面における、Na2O量がガラス板内部のNa2O量より小さい層の厚みが5μm未満である前項12に記載の化学強化ガラス板。
14.厚みが1.5mm以下である前項12または13に記載の化学強化ガラス板。
15.厚みが0.8mm以下である前項12~14のいずれか1に記載の化学強化ガラス板。
16.カバーガラスを備えたフラットパネルディスプレイ装置であって、該カバーガラスが前項12~15のいずれか1に記載の化学強化ガラス板であるフラットパネルディスプレイ装置。
ガラス板の化学強化後の反りは、ガラス板の一方の面ともう一方の面において化学強化の入り方が異なることにより生じる。具体的には、例えば、フロートガラスの場合、フロート成形時に溶融錫と接触していないガラス面(トップ面)と溶融金属(通常、錫)と接触しているガラス面(ボトム面)において化学強化の入り方が異なることにより化学強化後の反りが生じる。
(a)ガラス内部からガラス表面へのアルカリ分の輸送(ガラス内部でのNa+とH+の交換反応)。
(b)ガラス表面でのNa+とH+の交換反応。
(c)H+と交換したNa+のガラス表面からの除去。
出力:Rh 50kV-72mA
フィルタ:OUT
アッテネータ:1/1
スリット:Std.
分光結晶:RX25
検出器:PC
ピーク角度(2θ/deg.):47.05
ピーク測定時間(秒):40
B.G.1(2θ/deg.):43.00
B.G.1測定時間(秒):20
B.G.2(2θ/deg.):50.00
B.G.2測定時間(秒):20
PHA:110-450
本発明において溶融ガラスを板状のガラス板に成形する方法は特に限定されず、また該ガラスは化学強化処理による強化が可能な組成を有するものである限り、種々の組成のものを使用することができる。例えば、種々の原料を適量調合し、加熱溶融した後、脱泡または攪拌などにより均質化し、周知のフロート法、ダウンドロー法(例えば、フュージョン法など)またはプレス法などによって板状に成形し、徐冷後所望のサイズに切断、研磨加工を施して製造される。これらの製造方法の中でも、フロート法により製造されたガラスは、特に本発明の効果である化学強化後の反り改善が発揮され易いため、好ましい。
(i)モル%で表示した組成で、SiO2を50~80%、Al2O3を0.1~25%、Li2O+Na2O+K2Oを3~30%、MgOを0~25%、CaOを0~25%およびZrO2を0~5%を含むガラス
(ii)モル%で表示した組成が、SiO2を50~74%、Al2O3を1~10%、Na2Oを6~14%、K2Oを3~11%、MgOを2~15%、CaOを0~6%およびZrO2を0~5%含有し、SiO2およびAl2O3の含有量の合計が75%以下、Na2OおよびK2Oの含有量の合計が12~25%、MgOおよびCaOの含有量の合計が7~15%であるガラス
(iii)モル%で表示した組成が、SiO2を68~80%、Al2O3を4~10%、Na2Oを5~15%、K2Oを0~1%、MgOを4~15%およびZrO2を0~1%含有するガラス
(iv)モル%で表示した組成が、SiO2を67~75%、Al2O3を0~4%、Na2Oを7~15%、K2Oを1~9%、MgOを6~14%およびZrO2を0~1.5%含有し、SiO2およびAl2O3の含有量の合計が71~75%、Na2OおよびK2Oの含有量の合計が12~20%であり、CaOを含有する場合その含有量が1%未満であるガラス
またこれらのガスのうち、2種以上を混合して使用することもできる。
化学強化は、ガラス転移点以下の温度でイオン交換によりガラス表面のイオン半径が小さなアルカリ金属イオン(典型的には、LiイオンまたはNaイオン)をイオン半径のより大きなアルカリイオン(典型的には、Kイオン)に交換することで、ガラス表面に圧縮応力層を形成する処理である。化学強化処理は従来公知の方法によって行うことができる。
ΔX:未処理ガラス板の化学強化による反り変化量
ΔY:処理ガラス板の化学強化による反り変化量
ここで反り変化量は、ΔX>0とする。ΔYはΔXと同方向に反る場合にΔY>0、ΔXと逆方向に反る場合はΔY<0となる。
本実施例では、以下の組成の硝材A~Cのガラス板を用いた。以下の組成の硝材Dも本発明に使用できる。
(硝材A)モル%表示で、SiO2を72.0%、Al2O3を1.1%、Na2Oを12.6%、K2Oを0.2%、MgOを5.5%、CaOを8.6%含有するガラス(ガラス転移温度566℃)
(硝材B)モル%表示で、SiO2を64.3%、Al2O3を6.0%、Na2Oを12.0%、K2Oを4.0%、MgOを11.0%、CaOを0.1%、SrOを0.1%、BaOを0.1%およびZrO2を2.5%含有するガラス(ガラス転移温度620℃)
(硝材C)モル%表示で、SiO2を64.3%、Al2O3を8.0%、Na2Oを12.5%、K2Oを4.0%、MgOを10.5%、CaOを0.1%、SrOを0.1%、BaOを0.1%およびZrO2を0.5%含有するガラス(ガラス転移温度604℃)
(硝材D)モル%表示で、SiO2を73.0%、Al2O3を7.0%、Na2Oを14.0%、MgOを6.0%含有するガラス(ガラス転移温度617℃)
化学強化前に三鷹光器株式会社製三次元形状測定器(NH-3MA)で反り量を測定した後、各ガラスを化学強化し、化学強化後の反り量も同様に測定し、下式で表されるΔ反り量を算出した。
Δ反り量=化学強化後反り量-化学強化前反り量
化学強化後の反りの改善は、ガラス中のアルカリ成分との間でイオン交換反応が起こる液体または気体により脱アルカリ処理する以外は全て同じ条件の実験において、以下に示す式により求める反り改善率により評価した。
ここで反り変化量は、ΔX>0とした。ΔYはΔXと同方向に反る場合にΔY>0、ΔXと逆方向に反る場合はΔY<0とした。
XRF(蛍光X線分析)法の分析条件は以下とした。定量はNa2O標準試料を用いて検量線法にて行った。
測定装置:株式会社リガク製ZSX100
出力:Rh 50kV-72mA
フィルタ:OUT
アッテネータ:1/1
スリット:Std.
分光結晶:RX25
検出器:PC
ピーク角度(2θ/deg.):47.05
ピーク測定時間(秒):40
B.G.1(2θ/deg.):43.00
B.G.1測定時間(秒):20
B.G.2(2θ/deg.):50.00
B.G.2測定時間(秒):20
PHA:110-450
図4に示す模式図のように、硝材Aおよび硝材Cのフロート法により製造したガラスを、体積3.2Lの石英管50に入れ、管内を真空にした後、フロートバス雰囲気を模擬するべくH210%およびN290%の混合ガスで系内を充填した。系全体にH210%およびN290%の混合ガスを流量1.6L/minで導入しながら、3分間加熱しガラス板51の温度を昇温させた。H210%およびN290%の混合ガスはガス導入方向53から導入してガス排出方向54に排出した。
硝材Cのガラスリボンが流れるフロートバスにおいてHF処理を実施した。
ソーダライムシリカガラスからなるフロートガラスを500℃に加熱し、そのトップ面に、100℃に予熱したエアに5体積%HFガスを混入したものを52L/分の割合で3分間吹付けると、そのトップ面とボトム面のΔNa2O量差は1質量%であり、またそのトップ面をSEMで観察すると複数の凹部が認められ、それらの凹部密度は172個/μm2以上である。
2 外スリット
4 流路
5 排気スリット
20 ガラス板
30 カバーガラス
40 ディスプレイ装置
41,42 機能膜
15 筐体
45 表示パネル
50 石英管
51 ガラス板
52 ガス導入ノズル
60 管状炉
61 反応容器
62 サンプル乗せ台車
63 サンプル
64 スライダー
65 導入チューブ
66 サンプル取り出し棒
101 ガラスリボン
102 ビーム
103 ラジエーションゲート
110 ガラスリボンの幅方向
111,112,113 ガス系統
114,115 隔壁
116 ガス吹き穴
Claims (15)
- Al2O3を4モル%以上含有するガラス板であって、一方の面における表面Na2O量が、もう一方の面の表面Na2O量よりも0.2質量%~1.2質量%低いガラス板。
- CaOを含有しない、またはCaOを6モル%以下の範囲で含有するガラス板であって、一方の面における表面Na2O量が、もう一方の面の表面Na2O量よりも0.2質量%~1.2質量%低いガラス板。
- K2Oを3モル%以上含有するガラス板であって、一方の面における表面Na2O量が、もう一方の面の表面Na2O量よりも0.2質量%~1.2質量%低いガラス板。
- 請求項1~3のいずれか1項に記載のガラス板であって、一方の面における表面Na2O量が、もう一方の面の表面Na2O量よりも0.7質量%低いガラス板。
- フロート法により製造された請求項1~4のいずれか1項に記載のガラス板。
- 表面Na2O量が低い面がフロートバス内で溶融金属に触れていない面である請求項1~5のいずれか1項に記載のガラス板。
- 表面Na2O量が低い面における、Na2O量がガラス板内部のNa2O量より小さい層の厚みが5μm未満である請求項1~6のいずれか1項に記載のガラス板。
- 厚みが1.5mm以下である請求項1~7のいずれか1項に記載のガラス板。
- 厚みが0.8mm以下である請求項1~8のいずれか1項に記載のガラス板。
- 請求項1~9のいずれか1項に記載のガラス板を化学強化して得られるガラス板。
- 一方の面における表面Na2O量が、もう一方の面の表面Na2O量よりも0.2質量%~1.2質量%低い化学強化ガラス板。
- 表面Na2O量が低い面における、Na2O量がガラス板内部のNa2O量より小さい層の厚みが5μm未満である請求項11に記載の化学強化ガラス板。
- 厚みが1.5mm以下である請求項11または12に記載の化学強化ガラス板。
- 厚みが0.8mm以下である請求項11~13のいずれか1項に記載の化学強化ガラス板。
- カバーガラスを備えたフラットパネルディスプレイ装置であって、該カバーガラスが請求項11~14のいずれか1項に記載の化学強化ガラス板であるフラットパネルディスプレイ装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201380016910.2A CN104203859A (zh) | 2012-03-26 | 2013-03-18 | 能够减小化学强化时的翘曲的玻璃板 |
JP2014507738A JP6023791B2 (ja) | 2012-03-26 | 2013-03-18 | 化学強化ガラス板およびフラットパネルディスプレイ装置 |
KR1020147027139A KR20140138793A (ko) | 2012-03-26 | 2013-03-18 | 화학 강화시의 휨을 저감할 수 있는 유리판 |
US14/498,120 US20150072129A1 (en) | 2012-03-20 | 2014-09-26 | Glass sheet capable of being inhibited from warping through chemical strengthening |
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012069557 | 2012-03-26 | ||
JP2012-069557 | 2012-03-26 | ||
JP2012078171 | 2012-03-29 | ||
JP2012-078171 | 2012-03-29 | ||
JP2012-081072 | 2012-03-30 | ||
JP2012081073 | 2012-03-30 | ||
JP2012-081073 | 2012-03-30 | ||
JP2012081072 | 2012-03-30 | ||
JP2012-276840 | 2012-12-19 | ||
JP2012276840 | 2012-12-19 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/498,120 Continuation US20150072129A1 (en) | 2012-03-20 | 2014-09-26 | Glass sheet capable of being inhibited from warping through chemical strengthening |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013146438A1 true WO2013146438A1 (ja) | 2013-10-03 |
Family
ID=49259699
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2013/057728 WO2013146441A1 (ja) | 2012-03-26 | 2013-03-18 | 化学強化時の反りを低減できるガラス板 |
PCT/JP2013/057724 WO2013146438A1 (ja) | 2012-03-20 | 2013-03-18 | 化学強化時の反りを低減できるガラス板 |
PCT/JP2013/057725 WO2013146439A1 (ja) | 2012-03-26 | 2013-03-18 | 化学強化時の反りを低減できるガラス板 |
PCT/JP2013/057727 WO2013146440A1 (ja) | 2012-03-26 | 2013-03-18 | 化学強化時の反りを低減できるガラス板 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2013/057728 WO2013146441A1 (ja) | 2012-03-26 | 2013-03-18 | 化学強化時の反りを低減できるガラス板 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2013/057725 WO2013146439A1 (ja) | 2012-03-26 | 2013-03-18 | 化学強化時の反りを低減できるガラス板 |
PCT/JP2013/057727 WO2013146440A1 (ja) | 2012-03-26 | 2013-03-18 | 化学強化時の反りを低減できるガラス板 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20150072129A1 (ja) |
JP (5) | JPWO2013146439A1 (ja) |
KR (1) | KR20140138793A (ja) |
CN (4) | CN104220393B (ja) |
TW (4) | TW201343585A (ja) |
WO (4) | WO2013146441A1 (ja) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014167842A1 (ja) * | 2013-04-08 | 2014-10-16 | 日本板硝子株式会社 | ガラス板及びガラス板の製造方法 |
WO2015093284A1 (ja) * | 2013-12-19 | 2015-06-25 | 旭硝子株式会社 | 強化ガラス基板の製造方法 |
JP2015117167A (ja) * | 2013-12-19 | 2015-06-25 | 旭硝子株式会社 | 強化ガラス板の製造方法および強化ガラス板 |
DE102014203567A1 (de) | 2014-02-27 | 2015-09-10 | Schott Ag | Floatverfahren zur Herstellung einer Floatglasscheibe und Floatglasscheibe |
DE102014205658A1 (de) | 2014-03-26 | 2015-10-01 | Schott Ag | Floatverfahren zur Herstellung einer Floatglasscheibe und Floatglasscheibe |
WO2016006538A1 (ja) * | 2014-07-07 | 2016-01-14 | 旭硝子株式会社 | 顔料プリント用ガラス板、顔料プリントガラス板、その製造方法および画像表示装置 |
JP2016056092A (ja) * | 2012-03-26 | 2016-04-21 | 旭硝子株式会社 | 化学強化時の反りを低減できるガラス板 |
DE102014116798A1 (de) | 2014-11-17 | 2016-05-19 | Schott Ag | Chemisch vorspannbares oder vorgespanntes Glas und Verfahren zu dessen Herstellung |
WO2016152848A1 (ja) * | 2015-03-25 | 2016-09-29 | 旭硝子株式会社 | ガラス板 |
JPWO2017115765A1 (ja) * | 2015-12-28 | 2017-12-28 | 旭硝子株式会社 | 化学強化ガラスの製造方法 |
JP2018514494A (ja) * | 2015-05-05 | 2018-06-07 | エージーシー グラス ユーロップAgc Glass Europe | 化学強化による制御された反りを有することができるガラス板 |
JP2018518443A (ja) * | 2015-06-08 | 2018-07-12 | エージーシー グラス ユーロップAgc Glass Europe | 化学強化による制御された反りを有することができるガラス板 |
JP2019502640A (ja) * | 2015-12-18 | 2019-01-31 | エージーシー グラス ユーロップAgc Glass Europe | 化学強化のためのガラス基板および制御された曲率を有する化学強化法 |
US20200180998A1 (en) * | 2014-12-09 | 2020-06-11 | Agc Glass Europe | Chemically temperable glass sheet |
JP2021070591A (ja) * | 2019-10-29 | 2021-05-06 | Agc株式会社 | カバーガラスの製造方法及びカバーガラス |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9187365B2 (en) * | 2013-02-25 | 2015-11-17 | Corning Incorporated | Methods for measuring the asymmetry of a glass-sheet manufacturing process |
WO2014148046A1 (ja) * | 2013-03-19 | 2014-09-25 | 日本板硝子株式会社 | ガラス板及びガラス板の製造方法 |
EP2984050B1 (en) * | 2013-04-09 | 2022-08-03 | Nippon Sheet Glass Company, Limited | Method for producing glass sheet and glass sheet |
CN105753338B (zh) * | 2015-09-23 | 2017-04-05 | 中国南玻集团股份有限公司 | 浮法玻璃的制备方法及浮法玻璃 |
CN109071302B (zh) | 2016-03-09 | 2022-04-26 | 康宁股份有限公司 | 复杂弯曲玻璃制品的冷成形 |
US11453612B2 (en) | 2016-04-20 | 2022-09-27 | Corning Incorporated | Glass-based articles including a metal oxide concentration gradient |
DE102016109085A1 (de) * | 2016-05-18 | 2017-11-23 | Schott Ag | Verfahren zur Asymmetrisierung des Wasserstoffgehalts sowie zur Herstellung eines chemisch hoch vorspannbaren scheibenförmigen Glasartikels sowie verfahrensgemäß erhaltener Glasartikel |
KR102456592B1 (ko) | 2016-06-28 | 2022-10-19 | 코닝 인코포레이티드 | 장식 및 디스플레이 커버 적용(application)을 위한 커브드(curved) 몰딩된(molded) 플라스틱 표면에 대한 얇은 강화된 유리의 적층(laminating) |
CN109416480B (zh) | 2016-07-05 | 2022-08-12 | 康宁公司 | 冷成形玻璃制品和其组装工艺 |
JP7066704B2 (ja) | 2016-10-25 | 2022-05-13 | コーニング インコーポレイテッド | ディスプレイ用冷間成形ガラスラミネーション |
JP6667797B2 (ja) * | 2016-11-16 | 2020-03-18 | 日本電気硝子株式会社 | ガラス基板の製造方法 |
US11016590B2 (en) | 2017-01-03 | 2021-05-25 | Corning Incorporated | Vehicle interior systems having a curved cover glass and display or touch panel and methods for forming the same |
TWI771357B (zh) | 2017-01-03 | 2022-07-21 | 美商康寧公司 | 具有彎曲的覆蓋玻璃以及顯示器或觸控面板的車輛內部系統及其形成方法 |
JP6801499B2 (ja) * | 2017-02-21 | 2020-12-16 | Agc株式会社 | ディスプレイ用ガラス基板、及びディスプレイ用ガラス基板の製造方法 |
WO2018199120A1 (ja) * | 2017-04-28 | 2018-11-01 | Agc株式会社 | 膜付きガラス基板、物品、および膜付きガラス基板の製造方法 |
CN110799463B (zh) | 2017-05-15 | 2022-09-09 | 康宁公司 | 有轮廓玻璃制品和制造有轮廓玻璃制品的方法 |
EP4190616A3 (en) | 2017-07-18 | 2023-06-28 | Corning Incorporated | Cold forming of complexly curved glass articles |
JP7335872B2 (ja) | 2017-09-12 | 2023-08-30 | コーニング インコーポレイテッド | 装飾的なガラス上にタッチパネルを有するディスプレイ用のデッドフロントおよび関連する方法 |
US11065960B2 (en) | 2017-09-13 | 2021-07-20 | Corning Incorporated | Curved vehicle displays |
TWI806897B (zh) | 2017-09-13 | 2023-07-01 | 美商康寧公司 | 用於顯示器的基於光導器的無電面板、相關的方法及載具內部系統 |
TW201918462A (zh) | 2017-10-10 | 2019-05-16 | 美商康寧公司 | 具有改善可靠性的彎曲的覆蓋玻璃的車輛內部系統及其形成方法 |
KR101972444B1 (ko) * | 2017-11-08 | 2019-04-25 | 주식회사 도우인시스 | 유리의 화학 강화 후 열처리 방법 |
CN111758063B (zh) | 2017-11-21 | 2022-08-09 | 康宁公司 | 用于抬头显示器系统的非球面镜及其形成方法 |
TWI789463B (zh) | 2017-11-30 | 2023-01-11 | 美商康寧公司 | 用於形成曲面鏡的真空模具設備、系統及方法 |
CN111656254B (zh) | 2017-11-30 | 2023-06-02 | 康宁公司 | 用于真空成形非球面镜的系统与方法 |
WO2019177952A1 (en) | 2018-03-13 | 2019-09-19 | Corning Incorporated | Vehicle interior systems having a crack resistant curved cover glass and methods for forming the same |
CN112313183A (zh) * | 2018-06-01 | 2021-02-02 | 康宁公司 | 低翘曲、强化制品及制作所述制品的非对称离子交换方法 |
WO2020018284A1 (en) | 2018-07-16 | 2020-01-23 | Corning Incorporated | Vehicle interior systems having a cold-bent glass substrate and methods for forming the same |
CN109279788B (zh) * | 2018-09-14 | 2022-03-25 | 苏州新吴光电股份有限公司 | 一种消除玻璃化学强化曲翘的方法 |
CN110969931B (zh) * | 2018-09-29 | 2022-08-23 | 杰宜斯科技有限公司 | 显示部模块的返工装置及方法 |
WO2020105236A1 (ja) * | 2018-11-20 | 2020-05-28 | 三井金属鉱業株式会社 | 積層体 |
EP3771695A1 (en) | 2019-07-31 | 2021-02-03 | Corning Incorporated | Method and system for cold-forming glass |
US11772361B2 (en) | 2020-04-02 | 2023-10-03 | Corning Incorporated | Curved glass constructions and methods for forming same |
CN113754289B (zh) * | 2021-09-18 | 2023-06-06 | 重庆鑫景特种玻璃有限公司 | 一种低翘曲的强化微晶玻璃、及其制备方法和用途 |
CN115028357A (zh) * | 2022-06-17 | 2022-09-09 | 四川虹科创新科技有限公司 | 一种低翘曲耐划伤的钠铝硅玻璃及其制备方法和应用 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002234754A (ja) * | 2001-02-02 | 2002-08-23 | Nippon Sheet Glass Co Ltd | 強化された機能性膜被覆ガラス物品の製造方法 |
JP2004035297A (ja) * | 2002-07-01 | 2004-02-05 | Asahi Glass Co Ltd | 電極被覆用ガラスおよびプラズマディスプレイ装置 |
JP2005067974A (ja) * | 2003-08-27 | 2005-03-17 | Nippon Sheet Glass Co Ltd | 薄膜付きガラスの製造方法 |
JP2007101134A (ja) * | 2005-10-07 | 2007-04-19 | Nippon Electric Glass Co Ltd | 調理器用トッププレート |
WO2008004481A1 (fr) * | 2006-07-07 | 2008-01-10 | Asahi Glass Co., Ltd. | Procédé de production de substrat de verre destiné à du verre de type panneaux plats |
WO2008156177A1 (ja) * | 2007-06-20 | 2008-12-24 | Asahi Glass Company, Limited | 酸化物ガラスの表面処理方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1358061A (en) * | 1971-05-21 | 1974-06-26 | Glaverbel | Methods of strengthening glass articles |
JPS61205640A (ja) * | 1985-03-08 | 1986-09-11 | Central Glass Co Ltd | フロ−トガラスの化学強化方法 |
JPH0651581B2 (ja) * | 1985-03-12 | 1994-07-06 | セントラル硝子株式会社 | フロ−トガラスの化学強化方法 |
GB2171990B (en) * | 1985-03-08 | 1988-12-07 | Central Glass Co Ltd | Method of strengthening glass article formed of float glass by ion exchange and strengthened glass article |
JPH0651580B2 (ja) * | 1985-03-09 | 1994-07-06 | セントラル硝子株式会社 | フロ−トガラスの化学強化方法 |
JPH0660040B2 (ja) * | 1986-08-28 | 1994-08-10 | セントラル硝子株式会社 | ガラスの化学強化法 |
US5585147A (en) * | 1994-06-28 | 1996-12-17 | Matsushita Electric Works, Ltd. | Process for a surface treatment of a glass fabric |
JPH11171599A (ja) * | 1997-12-17 | 1999-06-29 | Asahi Glass Co Ltd | ガラス表面の脱アルカリ処理方法 |
CN1161298C (zh) * | 2002-03-26 | 2004-08-11 | 中国建筑材料科学研究院 | 一种玻璃综合增强方法 |
US20080138612A1 (en) * | 2005-01-26 | 2008-06-12 | Yoshikazu Kondo | Glass Member, Reading Glass, Reading Apparatus Using the Same, and Image Forming Apparatus |
JP2010189228A (ja) * | 2009-02-19 | 2010-09-02 | Asahi Glass Co Ltd | ガラス基板表面を平滑化する方法 |
US8992786B2 (en) * | 2010-04-30 | 2015-03-31 | Corning Incorporated | Anti-glare surface and method of making |
JP2013189320A (ja) * | 2010-07-06 | 2013-09-26 | Asahi Glass Co Ltd | ガラス基板の強度を高める方法 |
CN103443039B (zh) * | 2011-03-23 | 2015-08-26 | 旭硝子株式会社 | 浮法玻璃及其制造方法 |
JP5975023B2 (ja) * | 2011-04-15 | 2016-08-23 | 旭硝子株式会社 | 表面処理されたガラス基体の製造方法 |
JP2012236737A (ja) * | 2011-05-11 | 2012-12-06 | Asahi Glass Co Ltd | ガラスの製造方法及びガラス |
CN104591523B9 (zh) * | 2011-07-01 | 2017-06-09 | 旭硝子株式会社 | 化学强化用浮法玻璃 |
JPWO2013146439A1 (ja) * | 2012-03-26 | 2015-12-10 | 旭硝子株式会社 | 化学強化時の反りを低減できるガラス板 |
-
2013
- 2013-03-18 JP JP2014507739A patent/JPWO2013146439A1/ja active Pending
- 2013-03-18 WO PCT/JP2013/057728 patent/WO2013146441A1/ja active Application Filing
- 2013-03-18 WO PCT/JP2013/057724 patent/WO2013146438A1/ja active Application Filing
- 2013-03-18 JP JP2014507740A patent/JPWO2013146440A1/ja active Pending
- 2013-03-18 JP JP2014507741A patent/JPWO2013146441A1/ja active Pending
- 2013-03-18 CN CN201380017148.XA patent/CN104220393B/zh active Active
- 2013-03-18 CN CN201380016799.7A patent/CN104203858B/zh active Active
- 2013-03-18 WO PCT/JP2013/057725 patent/WO2013146439A1/ja active Application Filing
- 2013-03-18 JP JP2014507738A patent/JP6023791B2/ja active Active
- 2013-03-18 KR KR1020147027139A patent/KR20140138793A/ko not_active Application Discontinuation
- 2013-03-18 CN CN201380017036.4A patent/CN104245616B/zh active Active
- 2013-03-18 CN CN201380016910.2A patent/CN104203859A/zh active Pending
- 2013-03-18 WO PCT/JP2013/057727 patent/WO2013146440A1/ja active Application Filing
- 2013-03-25 TW TW102110547A patent/TW201343585A/zh unknown
- 2013-03-25 TW TW102110548A patent/TW201348156A/zh unknown
- 2013-03-25 TW TW102110552A patent/TW201343586A/zh unknown
- 2013-03-25 TW TW102110556A patent/TW201343582A/zh unknown
-
2014
- 2014-09-26 US US14/498,120 patent/US20150072129A1/en not_active Abandoned
-
2015
- 2015-11-25 JP JP2015229846A patent/JP2016056092A/ja active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002234754A (ja) * | 2001-02-02 | 2002-08-23 | Nippon Sheet Glass Co Ltd | 強化された機能性膜被覆ガラス物品の製造方法 |
JP2004035297A (ja) * | 2002-07-01 | 2004-02-05 | Asahi Glass Co Ltd | 電極被覆用ガラスおよびプラズマディスプレイ装置 |
JP2005067974A (ja) * | 2003-08-27 | 2005-03-17 | Nippon Sheet Glass Co Ltd | 薄膜付きガラスの製造方法 |
JP2007101134A (ja) * | 2005-10-07 | 2007-04-19 | Nippon Electric Glass Co Ltd | 調理器用トッププレート |
WO2008004481A1 (fr) * | 2006-07-07 | 2008-01-10 | Asahi Glass Co., Ltd. | Procédé de production de substrat de verre destiné à du verre de type panneaux plats |
WO2008156177A1 (ja) * | 2007-06-20 | 2008-12-24 | Asahi Glass Company, Limited | 酸化物ガラスの表面処理方法 |
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016056092A (ja) * | 2012-03-26 | 2016-04-21 | 旭硝子株式会社 | 化学強化時の反りを低減できるガラス板 |
JPWO2014167842A1 (ja) * | 2013-04-08 | 2017-02-16 | 日本板硝子株式会社 | ガラス板及びガラス板の製造方法 |
WO2014167842A1 (ja) * | 2013-04-08 | 2014-10-16 | 日本板硝子株式会社 | ガラス板及びガラス板の製造方法 |
JP2015117167A (ja) * | 2013-12-19 | 2015-06-25 | 旭硝子株式会社 | 強化ガラス板の製造方法および強化ガラス板 |
WO2015093284A1 (ja) * | 2013-12-19 | 2015-06-25 | 旭硝子株式会社 | 強化ガラス基板の製造方法 |
DE102014203567A1 (de) | 2014-02-27 | 2015-09-10 | Schott Ag | Floatverfahren zur Herstellung einer Floatglasscheibe und Floatglasscheibe |
DE102014203567B4 (de) | 2014-02-27 | 2018-04-26 | Schott Ag | Floatverfahren zur Herstellung einer Floatglasscheibe |
DE102014205658B4 (de) * | 2014-03-26 | 2020-11-12 | Schott Ag | Floatverfahren zur Herstellung einer Floatglasscheibe und Floatglasscheibe |
DE102014205658A1 (de) | 2014-03-26 | 2015-10-01 | Schott Ag | Floatverfahren zur Herstellung einer Floatglasscheibe und Floatglasscheibe |
WO2016006538A1 (ja) * | 2014-07-07 | 2016-01-14 | 旭硝子株式会社 | 顔料プリント用ガラス板、顔料プリントガラス板、その製造方法および画像表示装置 |
CN106488887A (zh) * | 2014-07-07 | 2017-03-08 | 旭硝子株式会社 | 颜料印刷用玻璃板、颜料印刷玻璃板、其制造方法和图像显示装置 |
US10065885B2 (en) | 2014-07-07 | 2018-09-04 | Asahi Glass Company, Limited | Glass sheet for pigment printing, pigment-printed glass sheet, production method therefor, and image display device |
DE102014116798A1 (de) | 2014-11-17 | 2016-05-19 | Schott Ag | Chemisch vorspannbares oder vorgespanntes Glas und Verfahren zu dessen Herstellung |
US11718552B2 (en) * | 2014-12-09 | 2023-08-08 | Agc Glass Europe | Chemically temperable glass sheet |
US20200180998A1 (en) * | 2014-12-09 | 2020-06-11 | Agc Glass Europe | Chemically temperable glass sheet |
JPWO2016152848A1 (ja) * | 2015-03-25 | 2018-01-18 | 旭硝子株式会社 | ガラス板 |
WO2016152848A1 (ja) * | 2015-03-25 | 2016-09-29 | 旭硝子株式会社 | ガラス板 |
US10370288B2 (en) * | 2015-05-05 | 2019-08-06 | Agc Glass Europe | Glass sheet capable of having controlled warping through chemical strengthening |
JP2018514494A (ja) * | 2015-05-05 | 2018-06-07 | エージーシー グラス ユーロップAgc Glass Europe | 化学強化による制御された反りを有することができるガラス板 |
JP2018518443A (ja) * | 2015-06-08 | 2018-07-12 | エージーシー グラス ユーロップAgc Glass Europe | 化学強化による制御された反りを有することができるガラス板 |
US10377660B2 (en) * | 2015-06-08 | 2019-08-13 | Agc Glass Europe | Glass sheet capable of having controlled warping through chemical strengthening |
JP2019502640A (ja) * | 2015-12-18 | 2019-01-31 | エージーシー グラス ユーロップAgc Glass Europe | 化学強化のためのガラス基板および制御された曲率を有する化学強化法 |
JPWO2017115765A1 (ja) * | 2015-12-28 | 2017-12-28 | 旭硝子株式会社 | 化学強化ガラスの製造方法 |
JP2021070591A (ja) * | 2019-10-29 | 2021-05-06 | Agc株式会社 | カバーガラスの製造方法及びカバーガラス |
JP7331628B2 (ja) | 2019-10-29 | 2023-08-23 | Agc株式会社 | カバーガラスの製造方法及びカバーガラス |
Also Published As
Publication number | Publication date |
---|---|
WO2013146439A1 (ja) | 2013-10-03 |
WO2013146441A1 (ja) | 2013-10-03 |
WO2013146440A1 (ja) | 2013-10-03 |
TW201343582A (zh) | 2013-11-01 |
CN104245616A (zh) | 2014-12-24 |
JPWO2013146438A1 (ja) | 2015-12-10 |
US20150072129A1 (en) | 2015-03-12 |
TW201348156A (zh) | 2013-12-01 |
JP2016056092A (ja) | 2016-04-21 |
TW201343585A (zh) | 2013-11-01 |
JP6023791B2 (ja) | 2016-11-09 |
CN104203858A (zh) | 2014-12-10 |
CN104220393B (zh) | 2016-08-31 |
CN104203858B (zh) | 2018-02-02 |
CN104203859A (zh) | 2014-12-10 |
KR20140138793A (ko) | 2014-12-04 |
JPWO2013146439A1 (ja) | 2015-12-10 |
CN104220393A (zh) | 2014-12-17 |
JPWO2013146440A1 (ja) | 2015-12-10 |
JPWO2013146441A1 (ja) | 2015-12-10 |
TW201343586A (zh) | 2013-11-01 |
CN104245616B (zh) | 2017-03-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6023791B2 (ja) | 化学強化ガラス板およびフラットパネルディスプレイ装置 | |
JP6210069B2 (ja) | 化学強化時の反りを低減できるガラス板の製造方法及びガラス板 | |
JP5790872B2 (ja) | 化学強化時の反りを低減できるガラス板 | |
WO2015046117A1 (ja) | ガラス板の製造方法 | |
WO2016152848A1 (ja) | ガラス板 | |
JP6368942B2 (ja) | ガラス板の製造方法 | |
WO2015046118A1 (ja) | ガラス板 | |
WO2015046108A1 (ja) | ガラス板 | |
WO2015046107A1 (ja) | ガラス板 | |
WO2015046116A1 (ja) | ガラス板 | |
WO2015046109A1 (ja) | ガラス板 | |
WO2015046115A1 (ja) | フロートガラスの製造方法 | |
WO2015046113A1 (ja) | ガラス板及び化学強化ガラス板 | |
WO2015046106A1 (ja) | ガラス板 | |
WO2015046111A1 (ja) | ガラス板 | |
WO2015046112A1 (ja) | ガラス板 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 13767424 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2014507738 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 20147027139 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 13767424 Country of ref document: EP Kind code of ref document: A1 |