JP2014073952A - 強化ガラス及び強化ガラス板並びに強化用ガラス - Google Patents
強化ガラス及び強化ガラス板並びに強化用ガラス Download PDFInfo
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- 238000011282 treatment Methods 0.000 claims abstract description 39
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- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 64
- 229910018068 Li 2 O Inorganic materials 0.000 claims description 40
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 34
- 238000005496 tempering Methods 0.000 claims description 33
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- 238000007500 overflow downdraw method Methods 0.000 claims description 23
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- 229910052845 zircon Inorganic materials 0.000 description 3
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 3
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- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
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- 239000000843 powder Substances 0.000 description 2
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- 238000007088 Archimedes method Methods 0.000 description 1
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- 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
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- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
- C03B17/06—Forming glass sheets
- C03B17/064—Forming glass sheets by the overflow downdraw fusion process; Isopipes therefor
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- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
- C03B25/04—Annealing glass products in a continuous way
- C03B25/10—Annealing glass products in a continuous way with vertical displacement of the glass products
- C03B25/12—Annealing glass products in a continuous way with vertical displacement of the glass products of glass sheets
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- 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
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- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
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- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
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- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
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- C03C3/00—Glass compositions
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- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
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Abstract
【解決手段】本発明の強化ガラスは、表面に圧縮応力層を有する強化ガラスであって、ガラス組成として、質量%で、SiO2 50〜80%、Al2O3 10〜30%、B2O3 0〜6%、Li2O 0〜2%、Na2O 5〜25%を含有し、実質的にAs2O3、Sb2O3、PbO、及びFを含有しないことを特徴とする。
【選択図】なし
Description
Tf=(T2×△L1−T1×△L2)/(△L1−△L2)
(1)ガラス組成として、質量%で、SiO2 50〜80%、Al2O3 10〜30%、B2O3 0〜6%、Li2O 0〜2%、Na2O 5〜25%を含有し、実質的にAs2O3、Sb2O3、PbO、及びFを含有しない。
(2)ガラス組成として、質量%で、SiO2 50〜80%、Al2O3 10〜30%、B2O3 0〜6%、Li2O 0〜1.7%、Na2O 5〜25%、SrO 0〜2%を含有し、実質的にAs2O3、Sb2O3、PbO、及びFを含有しない。
(3)ガラス組成として、質量%で、SiO2 50〜80%、Al2O3 10〜30%、B2O3 0〜6%、Li2O 0〜1.7%、Na2O 5〜25%、SrO 0〜2%、MgO+CaO+SrO+BaO 0〜9.9%、TiO2 0〜0.5%を含有し、実質的にAs2O3、Sb2O3、PbO、及びFを含有しない。
(4)ガラス組成として、質量%で、SiO2 50〜76%、Al2O3 16.0超〜30%、B2O3 0〜6%、Li2O 0〜1.7%、Na2O 7.0超〜25%、SrO 0〜2%、TiO2 0〜0.5%、ZrO2 0〜4%を含有し、実質的にAs2O3、Sb2O3、PbO、及びFを含有しない。
(5)ガラス組成として、質量%で、SiO2 50〜76%、Al2O3 16.0超〜30%、B2O3 0〜6%、Li2O 0〜1.0%未満、Na2O 7.0超〜25%、SrO 0〜2%、MgO+CaO+SrO+BaO 0〜9.9%、TiO2 0〜0.5%、ZrO2 0〜4%、P2O5 0〜1%を含有し、実質的にAs2O3、Sb2O3、PbO、及びFを含有しない。
(6)ガラス組成として、質量%で、SiO2 50〜76%、Al2O3 16.0超〜30%、B2O3 0〜6%、Li2O 0〜1.0%未満、Na2O 7.0超〜25%、SrO 0〜2%、MgO+CaO+SrO+BaO 0〜9.9%、TiO2 0〜0.5%、ZrO2 0〜4%、P2O5 0〜1%を含有し、モル%での計算値(MgO+CaO+SrO+BaO)/(Al2O3+B2O3)が0〜0.60であり、実質的にAs2O3、Sb2O3、PbO、及びFを含有しない。
(7)ガラス組成として、質量%で、SiO2 50〜76%、Al2O3 16.0超〜30%、B2O3 0〜6%、Li2O 0〜1.0%未満、Na2O 7.0超〜25%、SrO 0〜2%、MgO+CaO+SrO+BaO 0〜9.9%、TiO2 0〜0.5%、ZrO2 0〜4%、SnO2 0.2〜3%、P2O5 0〜1%を含有し、モル比(MgO+CaO+SrO+BaO)/(Al2O3+B2O3)が0〜0.60であり、実質的にAs2O3、Sb2O3、PbO、及びFを含有しない。
(8)ガラス組成として、質量%で、SiO2 50〜73%、Al2O3 16.0超〜30%、B2O3 0〜6%、Li2O 0〜1.0%未満、Na2O 7.0超〜25%、Li2O+Na2O+K2O 10〜30%、SrO 0〜2%、MgO+CaO+SrO+BaO 0〜9.9%、TiO2 0〜0.5%、ZrO2 0〜2%、SnO2 0.2〜3%、P2O5 0〜1%を含有し、モル比(MgO+CaO+SrO+BaO)/(Al2O3+B2O3)が0〜0.55であり、実質的にAs2O3、Sb2O3、PbO、及びFを含有しない。
Claims (26)
- 表面に圧縮応力層を有する強化ガラスであって、ガラス組成として、質量%で、SiO2 50〜80%、Al2O3 10〜30%、B2O3 0〜6%、Li2O 0〜2%、Na2O 5〜25%を含有し、実質的にAs2O3、Sb2O3、PbO、及びFを含有しないことを特徴とする強化ガラス。
- ガラス組成として、質量%で、SiO2 50〜80%、Al2O3 10〜30%、B2O3 0〜6%、Li2O 0〜1.7%、Na2O 7.0超〜25%、SrO 0〜2%を含有することを特徴とする請求項1に記載の強化ガラス。
- ガラス組成として、質量%で、SiO2 50〜76%、Al2O3 16.0超〜30%、B2O3 0〜6%、Li2O 0〜1.7%、Na2O 7.0超〜25%、SrO 0〜2%、TiO2 0〜4.5%を含有することを特徴とする請求項1に記載の強化ガラス。
- ガラス組成として、質量%で、SiO2 50〜76%、Al2O3 16.0超〜30%、B2O3 0〜6%、Li2O 0〜1.7%、Na2O 7.0超〜25%、SrO 0〜2%、TiO2 0〜0.5%、ZrO2 0〜4%を含有することを特徴とする請求項1に記載の強化ガラス。
- ガラス組成として、質量%で、SiO2 50〜76%、Al2O3 16.0超〜30%、B2O3 0〜6%、Li2O 0〜1.7%、Na2O 7.0超〜25%、SrO 0〜2%、TiO2 0〜0.5%、ZrO2 0〜4%、P2O5 0〜1%を含有し、モル比(MgO+CaO+SrO+BaO)/(Al2O3+B2O3)が0〜0.60であることを特徴とする請求項1に記載の強化ガラス。
- ガラス組成として、質量%で、SiO2 50〜76%、Al2O3 16.0超〜30%、B2O3 0〜6%、Li2O 0〜1.0%未満、Na2O 7.0超〜25%、SrO 0〜2%、TiO2 0〜0.5%、ZrO2 0〜2%、SnO2 0.2〜3%、P2O5 0〜1%を含有し、モル比(MgO+CaO+SrO+BaO)/(Al2O3+B2O3)が0〜0.55であることを特徴とする請求項1に記載の強化ガラス。
- ガラス組成として、質量%で、SiO2 50〜73%、Al2O3 16.0超〜30%、B2O3 0〜6%、Li2O 0〜1.0%未満、Na2O 7.0超〜25%、Li2O+Na2O+K2O 10〜30%、CaO 0〜4%、SrO 0〜2%、TiO2 0〜0.5%、ZrO2 0〜2%、SnO2 0.2〜3%、P2O5 0〜1%を含有し、モル比(MgO+CaO+SrO+BaO)/(Al2O3+B2O3)が0〜0.55であることを特徴とする請求項1に記載の強化ガラス。
- 圧縮応力層の圧縮応力値が300MPa以上で且つ1200MPa以下、圧縮応力層の厚みが10μm以上で且つ60μm以下であることを特徴とする請求項1〜7の何れか一項に記載の強化ガラス。
- 液相温度が1200℃以下であることを特徴とする請求項1〜8の何れか一項に記載の強化ガラス。
- 液相粘度が104.0dPa・s以上であることを特徴とする請求項1〜9の何れか一項に記載の強化ガラス。
- 104.0dPa・sにおける温度が1300℃以下であることを特徴とする請求項1〜10の何れか一項に記載の強化ガラス。
- 25〜380℃の温度範囲における熱膨張係数が100×10−7/℃以下であることを特徴とする請求項1〜11の何れか一項に記載の強化ガラス。
- 請求項1〜12の何れか一項に記載の強化ガラスからなることを特徴とする強化ガラス板。
- 長さ寸法が500mm以上、幅寸法が300mm以上、厚みが0.5〜2.0mmの強化ガラス板であって、圧縮応力層の圧縮応力値が300MPa以上で且つ1200MPa以下、圧縮応力層の厚みが10μm以上で且つ60μm以下、強化処理前後の寸法変化率Sが−1000ppm〜+1000ppmになるように強化処理されていることを特徴とする強化ガラス板。
- ヤング率が65GPa以上であることを特徴とする請求項13又は14に記載の強化ガラス板。
- 仮想温度Tfが500℃以上であることを特徴とする請求項13〜15の何れか一項に記載の強化ガラス板。
- オーバーフローダウンドロー法で成形されてなることを特徴とする請求項13〜16の何れか一項に記載の強化ガラス板。
- オーバーフローダウンドロー法で用いられる成形体の下端から下方に1000mm以上離間した位置で切断されてなることを特徴とする請求項17に記載の強化ガラス板。
- タッチパネルディスプレイに用いることを特徴とする請求項13〜18の何れか一項に記載の強化ガラス板。
- 携帯電話のカバーガラスに用いることを特徴とする請求項13〜18の何れか一項に記載の強化ガラス板。
- 太陽電池のカバーガラスに用いることを特徴とする請求項13〜18の何れか一項に記載の強化ガラス板。
- ディスプレイの保護部材に用いることを特徴とする請求項13〜18の何れか一項に記載の強化ガラス板。
- 長さ寸法が500mm以上、幅寸法が300mm以上、厚みが0.3〜2.0mmの強化ガラス板であって、ガラス組成として、質量%で、SiO2 50〜80%、Al2O3 10〜30%、B2O3 0〜6%、Li2O 0〜2%、Na2O 5〜25%、Li2O+Na2O+K2O 10〜30%、SrO 0〜2%、TiO2 0〜0.50%未満、ZrO2 0〜4%、SnO2 0.2〜3%、P2O5 0〜1%を含有し、モル比(MgO+CaO+SrO+BaO)/(Al2O3+B2O3)が0〜0.60であり、実質的にAs2O3、Sb2O3、PbO、及びFを含有せず、圧縮応力層の圧縮応力値が300MPa以上で且つ1200MPa以下、圧縮応力層の厚みが10μm以上で且つ60μm以下、液相温度が1200℃以下、25〜380℃の温度範囲における熱膨張係数が100×10−7以下、ヤング率が65GPa以上、仮想温度Tfが500℃以上、強化処理前後の寸法変化率Sが−1000ppm〜+1000ppmになるように強化処理されていることを特徴とする強化ガラス板。
- ガラス組成として、質量%で、SiO2 50〜80%、Al2O3 10〜30%、B2O3 0〜6%、Li2O 0〜2%、Na2O 5〜25%を含有し、実質的にAs2O3、Sb2O3、PbO、及びFを含有しないことを特徴とする強化用ガラス。
- 強化処理(440℃のKNO3溶融塩に6時間浸漬)前後の寸法変化率Sが−1000ppm〜+1000ppmであることを特徴とする強化用ガラス。
- 仮想温度Tfが500℃以上であることを特徴とする請求項25に記載の強化用ガラス。
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JP2017114760A (ja) | 2017-06-29 |
TW201402507A (zh) | 2014-01-16 |
TWI613170B (zh) | 2018-02-01 |
KR20140105795A (ko) | 2014-09-02 |
WO2013183716A1 (ja) | 2013-12-12 |
US20150004390A1 (en) | 2015-01-01 |
JP6136599B2 (ja) | 2017-05-31 |
US10173923B2 (en) | 2019-01-08 |
CN104125935A (zh) | 2014-10-29 |
US20160347656A1 (en) | 2016-12-01 |
KR101629779B1 (ko) | 2016-06-13 |
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