WO2014104050A1 - Verre à glace renforcé et procédé pour sa fabrication - Google Patents

Verre à glace renforcé et procédé pour sa fabrication Download PDF

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Publication number
WO2014104050A1
WO2014104050A1 PCT/JP2013/084560 JP2013084560W WO2014104050A1 WO 2014104050 A1 WO2014104050 A1 WO 2014104050A1 JP 2013084560 W JP2013084560 W JP 2013084560W WO 2014104050 A1 WO2014104050 A1 WO 2014104050A1
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WO
WIPO (PCT)
Prior art keywords
plate glass
glass
surface layer
core plate
tempered
Prior art date
Application number
PCT/JP2013/084560
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English (en)
Japanese (ja)
Inventor
翔 伊東
貴博 南
久敏 饗場
賢伸 佐治
Original Assignee
日本電気硝子株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本電気硝子株式会社 filed Critical 日本電気硝子株式会社
Publication of WO2014104050A1 publication Critical patent/WO2014104050A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/20—Uniting glass pieces by fusing without substantial reshaping
    • C03B23/203—Uniting glass sheets

Definitions

  • the present invention relates to a technique for improving a tempered plate glass in which a surface plate glass is laminated and integrated on both surfaces of a core plate glass.
  • various information-related terminals such as mobile devices such as mobile phones and digital cameras, or image display devices such as liquid crystal televisions display information such as images and characters, and information can be displayed on a touch panel display or the like.
  • a transparent substrate is mounted as a substrate material or a cover member for inputting. Moreover, even if it is other than the said part of these information related terminals, the transparent substrate is mounted, for example in the sunlight intake part of a solar cell, etc. Since these transparent substrates need to ensure environmental burden reduction and high reliability, glass is used as the material thereof.
  • a glass substrate used for this kind of application is required to have high mechanical strength, and to be thin and lightweight. Therefore, tempered glass may be used as a glass substrate that satisfies such requirements.
  • This type of tempered plate glass can be produced by chemically strengthening the surface of the plate glass by ion exchange or the like.
  • the glass does not contain an alkali.
  • the glass is non-alkali glass to meet this requirement, the above-described chemical strengthening cannot be performed. There is.
  • a surface plate glass having a low thermal expansion coefficient is disposed on both surfaces of a core plate glass having a high coefficient of thermal expansion and laminated and integrated. It is disclosed that compressive stress is generated and tensile stress is generated in the core plate glass. That is, it is disclosed that a tempered plate glass is produced using a difference in thermal expansion between a core plate glass and a surface plate glass.
  • the end surface of the core plate glass and the end surface of the surface layer plate glass are aligned so as to constitute substantially the same plane. Therefore, the entire surface of the core plate glass is covered with the surface layer plate glass, and the influence of the thermal expansion difference from the surface layer plate glass directly acts on the entire core plate glass. As a result, a large tensile stress can be generated even in the end face portion of the core plate glass.
  • the end surface portion of the core plate glass is a portion where defects such as chipping are likely to exist, similarly to the end surface portion of the surface layer plate glass. Therefore, if a large tensile stress is generated in the end surface portion of the core plate glass, a force that spreads the defect acts, and the tempered plate glass may be damaged starting from the defect.
  • the present invention has a technical problem of preventing damage starting from the end surface of the core plate glass as much as possible in the tempered glass obtained by laminating and integrating the surface plate glass on both surfaces of the core plate glass. To do.
  • the present invention creates a tensile stress in the core plate glass by arranging and integrating the surface plate glass having a low thermal expansion coefficient on both surfaces of the core plate glass having a high thermal expansion coefficient. And a tempered plate glass in which compressive stress is generated in the surface layer plate glass, characterized in that the core plate glass protrudes over the entire periphery of the surface layer plate glass.
  • the end surface portion of the core plate glass protrudes outward from the surface layer plate glass. Therefore, in the end surface part of core plate glass, the influence of the thermal expansion difference with surface layer plate glass becomes small compared with the area
  • a plurality of the surface layer plate glasses are arranged on both sides of the core plate glass so as to be plane-symmetrical with respect to the core plate glass, and extend over the entire circumference of each of the surface layer glass plates. Then, the core plate glass may protrude.
  • a plurality of surface layer plate glasses are arranged on both surfaces of the core plate glass, and the protruding portion of the core plate glass is exposed between adjacent surface layer plate glasses. And since the influence of the thermal expansion difference with surface layer plate glass becomes small also in the protrusion part of the core plate glass exposed between adjacent surface layer plate glass in this way, the produced stress is suppressed small. Therefore, a scribe line can be formed with a scribe cutter, for example, with respect to the protruding portion of the core plate glass formed between the adjacent surface layer plate glasses, and can be cut along the scribe line. Therefore, if it is tempered plate glass provided with the above-mentioned composition, a plurality of small tempered plate glasses can be easily collected from one large tempered plate glass.
  • the cutting method of the core plate glass is not limited to the folding cutting, and other cutting methods such as laser cutting (including laser cutting and laser fusing) may be adopted.
  • other cutting methods such as laser cutting (including laser cutting and laser fusing) may be adopted.
  • the stress generated in the protruding portion of the core plate glass is smaller than the compressive stress generated in the surface layer plate glass, it can be easily cut by various methods.
  • the plurality of surface layer glass sheets may all have the same size or may include different sizes.
  • the protruding width of the core plate glass is preferably 0.1 to 10.0 mm.
  • the protrusion width of the core plate glass is preferably within the above numerical range.
  • At least one of the core plate glass and the surface layer plate glass may be composed of a plurality of laminated plate glasses.
  • the present invention which was created to solve the above problems, is a series of processes in which a core plate glass having a high thermal expansion coefficient and a surface plate glass having a low thermal expansion coefficient are directly bonded by heating and then cooled. Then, the surface plate glass is disposed and integrated on each of both surfaces of the core plate glass, and tensile stress is generated in the core plate glass, and a tempered plate glass that obtains a tempered plate glass in which compressive stress is generated in the surface layer glass is obtained.
  • the core plate glass is larger than the surface layer plate glass, and when the heating before the direct bonding, the core plate glass and the surface layer plate glass are separated from each other, and at the time of the direct bonding, The surface plate glass and the core plate glass are aligned so that the core plate glass protrudes over the entire circumference of the surface plate glass.
  • direct bonding means a state in which the two bonding surfaces are bonded to each other without interposing other members such as an adhesive between the bonding surfaces of the core plate glass and the surface plate glass (hereinafter referred to as “adhesive bonding”). The same).
  • the core plate glass in the produced tempered plate glass, is in a state of protruding over the entire periphery of the surface layer plate glass, and it is possible to enjoy the same operational effects derived from the already explained tempered plate glass. it can.
  • the core plate glass and the surface layer glass are directly bonded by heating, the core plate glass and the surface layer glass are heated after being separated from each other, and then the core plate glass and the surface layer glass in the heated state are heated. Directly glued. Therefore, the influence of thermal expansion that occurs in each of the core plate glass and the surface plate glass with heating does not directly act between the two plate glasses.
  • the surface roughness Ra of the bonding surface of each of the surface layer plate glass and the core plate glass is 2.0 nm or less.
  • the core plate glass and the surface plate glass can be securely bonded at a temperature lower than the softening point without requiring other members such as an adhesive.
  • the tempered plate glass is hardly damaged starting from the end surface portion of the core plate glass.
  • FIG. 1 It is a perspective view which shows the tempered plate glass which concerns on 1st Embodiment of this invention. It is a longitudinal cross-sectional view of the tempered sheet glass which concerns on 1st Embodiment. It is a figure for demonstrating the manufacturing method of the tempered sheet glass which concerns on 1st Embodiment. It is a figure for demonstrating the manufacturing method of the tempered sheet glass which concerns on 1st Embodiment. It is a figure for demonstrating the manufacturing method of the tempered sheet glass which concerns on 1st Embodiment. It is a figure for demonstrating the manufacturing method of the tempered sheet glass which concerns on 1st Embodiment. It is a figure for demonstrating the specific aspect of the manufacturing method shown in FIG. It is a figure for demonstrating the specific aspect of the manufacturing method shown in FIG.
  • a tempered glass sheet 1 according to the first embodiment of the present invention is a three-layered sheet glass in which a surface layer glass sheet 3 is arranged and integrated on both surfaces of a core sheet glass 2. It is a laminate. That is, in the state where one core plate glass 2 is sandwiched between two surface layer plate glasses 3, these plate glasses 2 and 3 are directly bonded.
  • the two surface layer glass plates 3 are plane-symmetric with respect to the core plate glass 2.
  • the core plate glass 2 is larger in size than the surface layer plate glass 3, and the core plate glass 2 protrudes over the entire periphery of the surface layer plate glass 3. That is, in this embodiment, the protruding portion X of the core plate glass 2 is formed in a frame shape around the surface layer plate glass 3.
  • the width W1 of the protruding portion X is set to 0.1 to 10.0 mm, preferably 0.2 to 5.0 mm, and more preferably 0.5 to 2.0 mm.
  • the protruding portion X is cross-hatched.
  • the core plate glass 2 is relatively thick and the surface plate glass 3 is relatively thin. It is preferable that the surface layer plate glass 3 is 1/3 or less in thickness of the core plate glass 2, more preferably 1/10 or less, and further preferably 1/50 or less.
  • the total thickness of the tempered glass sheet 1 is preferably 0.3 to 1.5 mm.
  • the thermal expansion coefficient of the core plate glass 2 is larger than the thermal expansion coefficient of the surface layer plate glass 3.
  • the difference in thermal expansion coefficient between 30 ° C. and 380 ° C. is 1 ⁇ 10 ⁇ 7 / ° C. to 100 ⁇ 10 ⁇ 7 / ° C.
  • a tensile stress Pt of 1 to 100 MPa is generated, and a compressive stress Pc of 50 to 350 MPa is generated on the surface layer glass sheet 3.
  • the stress value is calculated by the finite element method.
  • the surface layer plate glass 3 consists of glass which does not contain an alkali metal oxide substantially as a glass composition.
  • the core plate glass 2 consists of the glass which does not contain an alkali metal oxide substantially as a glass composition, or the glass which contains an alkali metal oxide substantially.
  • the phrase “substantially free of alkali metal oxide” specifically means that the alkali metal oxide is 1000 ppm or less.
  • the content of the alkali metal oxide in the core plate glass 2 and the surface layer plate glass 3 is preferably 500 ppm or less, more preferably 300 ppm or less.
  • Heating step First, as shown in FIG. 3A, one core plate glass 2 and two surface layer plate glasses 3 are heated in a furnace while being separated from each other. That is, in this heating step, a difference in thermal expansion occurs between the core plate glass 2 and the surface layer plate glass 3, but both plate glasses 2 and 3 are separated from each other. Does not interact with each other. In other words, it is possible to prevent the surface layer glass 3 from being damaged due to excessive tensile stress generated in the relatively thin surface layer glass 3 in the process of heating.
  • the core plate glass 2 and the surface layer plate glass 3 are heated to less than the lower strain point. That is, the core plate glass 2 and the surface layer plate glass 3 are not heated up to the lower softening point, and the core plate glass 2 and the surface layer plate glass 3 are prevented from undergoing large shape deformation.
  • the heating temperature varies depending on the glass composition of the core plate glass 2 and the surface layer plate glass 3, but is about 200 ° C. to 400 ° C. (in this embodiment, about 400 ° C.), for example.
  • the heating rate in the heating step is preferably, for example, 1 to 10 ° C./min, and in this embodiment is 3 ° C./min.
  • a furnace used for the heating process for example, an electric muffle furnace (FUW242PA) manufactured by ADVANTEC can be used.
  • the surface roughness Ra of the bonding surface 2x of the core plate glass 2 and the surface roughness Ra of the bonding surface 3x of the surface layer plate glass 3 are both 2.0 nm or less, more preferably 1.0 nm or less, and still more preferably 0. 0.5 nm or less, most preferably 0.2 nm, and in this embodiment 0.2 nm or less.
  • glass formed by, for example, the overflow down draw method is used as it is as the bonding surfaces 2x and 3x in an unpolished state.
  • the core plate glass 2 and the surface layer plate glass 3 are bonded together and heated at the above heating temperature for a predetermined time (for example, 1 to 2 hours).
  • the interface between the core plate glass 2 and the surface layer plate glass 3 is illustrated, but the interface between the two plate glasses 2 and 3 may not exist after bonding.
  • the plate glass laminated body 1a is cooled to normal temperature.
  • the cooling rate in the cooling step is preferably about 0.1 to 5 ° C./min, for example, and in this embodiment is about 0.5 ° C./min.
  • the tempered glass sheet 1 can be obtained by generating such a stress state.
  • the influence of the thermal expansion difference from the surface plate glass 3 does not act directly, and the stress generated in the protruding portion X of the core plate glass 2 is small. Become. Therefore, since the stress generated in the end surface portion 2y of the core plate glass 2 located at the tip of the protruding portion X is inevitably reduced, even if there is a defect such as chipping in the end surface portion 2y, It is difficult for the tempered glass sheet 1 to be damaged starting from the defect.
  • FIG. 4A it mounts on the setter 4 in the state which pinched
  • FIG. A spacer 5 is interposed between the surface plate glass 3 and the core plate glass 2, and the plate glasses 2 and 3 are separated from each other.
  • the core plate glass 2 is in an inclined posture in which one side of the core plate glass 2 is in contact with the lower surface plate glass 3 and the one side facing the side is lifted by the spacer 5.
  • the upper surface sheet glass 3 is in an inclined posture in which one side facing the core sheet glass 2 is in contact with the core sheet glass 2 and the one side facing the side is awaited by the spacer 5.
  • a space is formed between the glass plates 2 and 3, and the glass plates 2 and 3 are separated from each other. Furthermore, a weight glass 6 is placed on the surface layer plate glass 3 located above the core plate glass 2. And in such a state, the core plate glass 2 and the surface layer plate glass 3 are heated to predetermined temperature in a furnace. Note that crystallized glass is used for the setter 4, the spacer 5, and the weight glass 6.
  • the spacer 5 is pulled out between the surface plate glass 3 and the core plate glass 2 as shown in FIG. 3 is directly bonded to produce a plate glass laminate 1 a, and the plate glass laminate 1 a is pressed with weight glass 6.
  • a single surface plate glass 3 is placed on the setter 4, and the core plate glass 2, the surface layer plate glass 3, and A weight glass 6 is disposed.
  • the core plate glass 2, the surface layer glass 3, and the weight glass 6 are supported by corresponding holding jigs 7, 8, 9 in a state of being separated from each other. In this state, the core plate glass 2 and the surface layer plate glass 3 are heated to a predetermined temperature in the furnace.
  • the holding jig 7 of the core plate glass 2 and the holding jig 8 of the surface layer glass 3 are removed, and the core plate glass 2 and the surface layer plate glass 3 are removed. Is dropped or laminated, or the core plate glass 2 and the surface layer plate glass 3 are moved downward while being laminated, and as shown in FIG. 3 is directly bonded to produce a sheet glass laminate 1a.
  • the holding glass 9 of the weight glass 6 is removed and the weight glass 6 is dropped and placed on the plate glass laminate 1a, or the weight glass 6 is held.
  • the plate glass laminate 1a is pressurized with the weight glass 6 by moving downward and placing it on the plate glass laminate 1a.
  • the setter 4 is provided with a recess 4a, and the core plate glass 2 is placed in the recess 4a.
  • the contact plate glass 10 is placed in a state of being spaced from the core plate glass 2.
  • the surface layer plate glass 3 is arrange
  • the two plate glass 10 is brought close to the core plate glass 2 side, and the surface layer plate glass is provided on each of both surfaces of the core plate glass 2. 3 is directly bonded to produce a sheet glass laminate 1a. Under the present circumstances, it pressurizes, pinching
  • Second Embodiment A method of manufacturing the tempered glass sheet 1 according to the second embodiment of the present invention will be described step by step with reference to FIGS. 7A to 7F. Detailed description of portions common to the first embodiment will be omitted.
  • the temporary glass sheet laminate 1b and another surface glass sheet 3 are separated from each other and heated again in the furnace.
  • the temporary glass sheet laminate 1b may be warped due to a difference in thermal expansion.
  • the original flat state is restored.
  • the plate glass laminated body 1a is cooled to normal temperature.
  • the influence of the thermal expansion difference acts between the core plate glass 2 and the surface layer plate glass 3, and a tensile stress Pt is generated in the core plate glass 2, And the tempered plate glass 1 in which the compressive stress Pc was produced in the surface layer plate glass 3 is obtained.
  • the protruding portion X of the core plate glass 2 included in the tempered plate glass 1 is less affected by the difference in thermal expansion from the surface plate glass 3, so that the generated stress is also reduced.
  • a step of bonding the surface layer plate glass 3 to one surface of the core plate glass 2 (first bonding step), and a step of bonding the surface layer plate glass 3 to the other surface of the core plate glass 2 (second step).
  • the bonding step) is performed separately. Therefore, it is only necessary to consider the positional relationship between the two sheet glasses in one bonding step, and the bonding operation is facilitated as compared to the case where three sheet glasses are bonded simultaneously. Further, since two sheets can be bonded to each other, it is possible to bond the plate glasses using a simple mechanism such as a vacuum chuck or an electrostatic chuck.
  • ⁇ Third Embodiment> A method of manufacturing the tempered glass sheet 1 according to the third embodiment of the present invention will be described step by step with reference to FIGS. 8A to 8F. Detailed description of portions common to the first embodiment and the second embodiment will be omitted.
  • each temporary plate glass laminated body 1b is cooled to normal temperature.
  • the influence of the thermal expansion difference acts between the core plate glass 2 and the surface layer plate glass 3, and a tensile stress Pt is generated in the core plate glass 2, In addition, a compressive stress Pc is generated in the surface layer glass 3.
  • the plate glass laminated body 1a is cooled to normal temperature.
  • the influence of the thermal expansion difference acts between the core plate glass 2 and the surface layer plate glass 3, and a tensile stress Pt is generated in the core plate glass 2, And the tempered plate glass 1 in which the compressive stress Pc was produced in the surface layer plate glass 3 is obtained.
  • the protruding portion X of the core plate glass 2 included in the tempered plate glass 1 is less affected by the difference in thermal expansion from the surface plate glass 3, so that the generated stress is also reduced.
  • the step (first bonding step) of bonding the surface layer glass 3 to one surface of the core plate glass 2, and the other of the core plate glass 2 in which the surface layer glass 3 is laminated and integrated on one surface The step of adhering the two surfaces (second bonding step) is performed separately. Therefore, it is only necessary to consider the positional relationship between the two plate glasses in one bonding step, and the bonding operation is facilitated as compared to the case of bonding three plate glasses at the same time. Further, since two sheets can be bonded to each other, it is possible to bond the plate glasses using a simple mechanism such as a vacuum chuck or an electrostatic chuck.
  • tempered glass sheet 1 according to the fourth embodiment of the present invention will be described with reference to FIG. Detailed description of portions common to the first to third embodiments is omitted.
  • a plurality of surface layer plate glasses 3 are arranged on both sides of the core plate glass 2 at intervals so as to be symmetrical with respect to the core plate glass 2. And the protrusion part X of the core plate glass 2 is formed over the perimeter of each surface layer plate glass 3.
  • a compressive stress Pc is generated in the surface layer glass sheet 3 due to a difference in thermal expansion between the core sheet glass 2 and the surface layer sheet glass 3 in the region where the core sheet glass 2 and the surface layer sheet glass 3 overlap.
  • the core plate glass 2 has a tensile stress Pt. .
  • the protruding portion X of the core plate glass 2 (region with cross-hatching in the figure) is less affected by the difference in thermal expansion from the surface plate glass 3, and thus the stress generated is also small. That is, the stress generated in the protruding portion X formed between the adjacent surface layer glass plates 3 is also reduced. Therefore, while forming the scribe line along the imaginary line CL shown in FIG. 9 by a scribe cutter (for example, a diamond tip) with respect to the protruding portion X formed between the adjacent surface layer glass 3, It can be cut along the scribe line. Therefore, if it is the strengthened plate glass 1 provided with said structure, the several small strengthened plate glass 11 can be extract
  • all the tempered glass plates 11 to be collected have the same size, and the state in which the core plate glass 3 protrudes over the entire periphery of the surface layer glass 3 is maintained.
  • the cutting method of the protrusion part X of the core plate glass 2 is not limited to folding cutting, Other cutting methods, such as a laser cutting, may be employ
  • the width W2 of the protruding portion X formed between the adjacent surface glass plates 3 is 0.2 to 20.0 mm, preferably 0.4 to 10.0 mm, and more preferably 1.0 to 4.0 mm. Is set.
  • the width W1 of the protruding portion X facing the end surface portion 2y of the core plate glass 2 is the same as that in the first embodiment.
  • a tempered glass sheet 1 according to a fifth embodiment of the present invention will be described with reference to FIG.
  • the place where the tempered glass sheet 1 according to the fifth embodiment is different from the tempered glass sheet 1 according to the fourth embodiment is that the plurality of surface layer glass sheets 3 include ones having different sizes.
  • the tempered glass sheet 1 having such a configuration, a plurality of small tempered glass sheets 11 having different sizes can be collected from one large tempered glass sheet 1 by cutting along the virtual line CL in the figure.
  • the surface layer plate glass 3 is composed of two types of large size and small size, so that two types of tempered plate glasses 11 having different sizes are collected after cutting.
  • this invention is not limited to said embodiment, It can implement with a various form.
  • a plate glass with R may be attached to the plate.
  • the surface layer plate glass 3 and the core plate glass 2 are normal temperature, You may make it heat after making it mutually contact
  • the surface layer plate glass 3 and the core plate glass 2 are in close contact with each other so as to be peelable by a bonding force derived from hydrogen bonding between the glass surfaces at room temperature before heating.
  • the manufacturing method of the reinforced plate glass 1 demonstrated by said embodiment WHEREIN The protrusion part is not formed in the tempered plate glass in which the end surface of the surface layer plate glass 3 and the end surface of the core plate glass 2 are equal, ie, the core plate glass 2. It can also be applied to the production of tempered plate glass. Further, in this case, even if the end surface of the surface layer plate glass 3 and the end surface of the core plate glass 2 are partially tempered glass, the end surface of the core plate glass 2 protrudes from the end surface of the surface layer plate glass 3. When the protruding portion is partially formed, at least the protruding portion can enjoy the effects of the present invention.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)

Abstract

L'invention concerne un verre à glace renforcé (1) dans lequel un verre à glace formant une couche de surface (3), présentant un faible coefficient d'expansion thermique, est disposé sur les deux faces d'un verre à glace central (2) présentant un coefficient d'expansion thermique élevé et feuilleté et intégré pour générer une résistance à la traction dans le verre à glace (2) formant le noyau ainsi qu'une contrainte de compression dans le verre à glace formant une couche de surface (3), le verre à glace central (2) étant en saillie vers l'extérieur autour de toute la périphérie du verre à glace formant la couche de surface (3).
PCT/JP2013/084560 2012-12-25 2013-12-25 Verre à glace renforcé et procédé pour sa fabrication WO2014104050A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-281152 2012-12-25
JP2012281152A JP2014125360A (ja) 2012-12-25 2012-12-25 強化板ガラス及びその製造方法

Publications (1)

Publication Number Publication Date
WO2014104050A1 true WO2014104050A1 (fr) 2014-07-03

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TW (1) TW201434625A (fr)
WO (1) WO2014104050A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2023051378A1 (fr) * 2021-09-29 2023-04-06 比亚迪股份有限公司 Verre renforcé, procédé de renforcement de verre et coque de dispositif électronique

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Publication number Priority date Publication date Assignee Title
CN106795033B (zh) * 2014-10-07 2020-02-07 肖特股份有限公司 具有提高的强度的玻璃层压材料

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Publication number Priority date Publication date Assignee Title
JPS6240297B2 (fr) * 1979-04-05 1987-08-27 Corning Glass Works
JP2008522950A (ja) * 2004-12-13 2008-07-03 コーニング インコーポレイテッド 高められた耐衝撃／静荷重強度を有するガラス積層基板
JP2011093728A (ja) * 2009-10-28 2011-05-12 Nippon Electric Glass Co Ltd 強化板ガラス及びその製造方法
JP2011162412A (ja) * 2010-02-12 2011-08-25 Nippon Electric Glass Co Ltd 強化板ガラス及びその製造方法
JP4932059B1 (ja) * 2011-12-16 2012-05-16 株式会社ミクロ技術研究所 強化ガラス、タッチパネル、及び強化ガラスの製造方法
WO2013065648A1 (fr) * 2011-10-31 2013-05-10 旭硝子株式会社 Substrat en verre, son procédé de production, et lamelle couvre-objet

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6240297B2 (fr) * 1979-04-05 1987-08-27 Corning Glass Works
JP2008522950A (ja) * 2004-12-13 2008-07-03 コーニング インコーポレイテッド 高められた耐衝撃／静荷重強度を有するガラス積層基板
JP2011093728A (ja) * 2009-10-28 2011-05-12 Nippon Electric Glass Co Ltd 強化板ガラス及びその製造方法
JP2011162412A (ja) * 2010-02-12 2011-08-25 Nippon Electric Glass Co Ltd 強化板ガラス及びその製造方法
WO2013065648A1 (fr) * 2011-10-31 2013-05-10 旭硝子株式会社 Substrat en verre, son procédé de production, et lamelle couvre-objet
JP4932059B1 (ja) * 2011-12-16 2012-05-16 株式会社ミクロ技術研究所 強化ガラス、タッチパネル、及び強化ガラスの製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023051378A1 (fr) * 2021-09-29 2023-04-06 比亚迪股份有限公司 Verre renforcé, procédé de renforcement de verre et coque de dispositif électronique

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