JP5875133B2 - 強化ガラス基板 - Google Patents
強化ガラス基板 Download PDFInfo
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- JP5875133B2 JP5875133B2 JP2007262908A JP2007262908A JP5875133B2 JP 5875133 B2 JP5875133 B2 JP 5875133B2 JP 2007262908 A JP2007262908 A JP 2007262908A JP 2007262908 A JP2007262908 A JP 2007262908A JP 5875133 B2 JP5875133 B2 JP 5875133B2
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- glass
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- tempered glass
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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
-
- 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
- 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
- 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
-
- 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
- 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
- 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
- C03C3/087—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 containing calcium oxide, e.g. common sheet or container glass
-
- 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
- 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
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
- C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
-
- 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum
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)
- Ceramic Engineering (AREA)
- Surface Treatment Of Glass (AREA)
- Glass Compositions (AREA)
Description
(1)質量%でSiO2 45〜80%、Al2O3 12〜16.5%、ZnO 0.01〜2.6%、Li 2 O 0〜1.9%、B2O3 0〜5%、SrO 0〜3%、BaO 0〜0.2%、希土類酸化物 0〜0.5%を含有し、且つ質量分率でLi2O/R2Oの値が0〜0.3、R2O/Al2O3の値が0.7〜2、
(2)質量%でSiO2 55〜70%、Al2O3 12〜18%、ZnO 0.01〜2.6%、Li2O 0.01〜1.9%、Na2O 0〜15%、K2O 0〜10%、B2O3 0〜5%、MgO 0〜10%、CaO 0〜10%、SrO 0〜3%、BaO 0〜0.2%、希土類酸化物 0〜0.5%を含有し、且つ質量分率でLi2O/R2Oの値が0.01〜0.3、R2O/Al2O3の値が0.7〜1.5、
(3)質量%でSiO2 55〜70%、Al2O3 12〜17%、ZnO 1〜2.6%、Li2O 1〜1.9%、Na2O 5〜11%、K2O 2〜8%、B2O3 0〜5%、MgO 0〜5%、CaO 0〜5%、SrO 0〜3%、BaO 0〜0.2%、希土類酸化物 0〜0.5%を含有し、且つ質量分率でLi2O/R2Oの値が0.05〜0.25、R2O/Al2O3の値が0.8〜1.3等のガラスが挙げられる。
Claims (11)
- 表面に圧縮応力層を有する強化ガラス基板であって、
ガラス組成として、質量%でSiO2 45〜80%、Al2O3 12〜21%、ZnO 0.01〜2.6%、B2O3 0〜5%、Li 2 O 0〜1.9%、SrO 0〜3%、BaO 0〜0.2%、希土類酸化物 0〜0.5%を含有し、且つ質量分率で、(Li2O+Na2O+K2O)/Al2O3の値が0.7〜2、Li2O/(Li2O+Na2O+K2O)の値が0〜0.3であることを特徴とする強化ガラス基板。 - Li2O/(Li2O+Na2O+K2O)の値が0.01以上であることを特徴とする請求項1に記載の強化ガラス基板。
- 表面の圧縮応力が100MPa以上、且つ圧縮応力層の厚みが1μm以上であることを特徴とする請求項1又は2に記載の強化ガラス基板。
- 未研磨の表面を有することを特徴とする請求項1〜3のいずれかに記載の強化ガラス基板。
- 実質的にAs2O3を含有しないことを特徴とする請求項1〜4のいずれかに記載の強化ガラス基板。
- 液相粘度が104.0dPa・s以上であることを特徴とする請求項1〜5のいずれかに記載の強化ガラス基板。
- 密度が2.8g/cm3以下であることを特徴とする請求項1〜6のいずれかに記載の強化ガラス基板。
- ヤング率が70GPa以上であることを特徴とする請求項1〜7のいずれかに記載の強化ガラス基板。
- 30〜380℃における熱膨張係数が70〜95×10−7/℃であることを特徴とする請求項1〜8のいずれかに記載の強化ガラス基板。
- クラック発生率が70%以下であることを特徴とする請求項1〜9のいずれかに記載の強化ガラス基板。
- 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1〜10のいずれかに記載の強化ガラス基板。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007262908A JP5875133B2 (ja) | 2006-10-10 | 2007-10-09 | 強化ガラス基板 |
Applications Claiming Priority (3)
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---|---|---|---|
JP2006276511 | 2006-10-10 | ||
JP2006276511 | 2006-10-10 | ||
JP2007262908A JP5875133B2 (ja) | 2006-10-10 | 2007-10-09 | 強化ガラス基板 |
Publications (2)
Publication Number | Publication Date |
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JP2008115071A JP2008115071A (ja) | 2008-05-22 |
JP5875133B2 true JP5875133B2 (ja) | 2016-03-02 |
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JP2007262908A Active JP5875133B2 (ja) | 2006-10-10 | 2007-10-09 | 強化ガラス基板 |
Country Status (1)
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JP5489051B2 (ja) * | 2008-08-18 | 2014-05-14 | 日本電気硝子株式会社 | タッチパネル用ガラスの製造方法 |
JP5610563B2 (ja) * | 2008-11-13 | 2014-10-22 | 日本電気硝子株式会社 | 太陽電池用ガラス基板 |
JP5622069B2 (ja) * | 2009-01-21 | 2014-11-12 | 日本電気硝子株式会社 | 強化ガラス、強化用ガラス及び強化ガラスの製造方法 |
JP4559523B2 (ja) | 2009-02-24 | 2010-10-06 | 株式会社オハラ | 情報記録媒体用ガラス基板およびその製造方法 |
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